Publications about Polymers in Fuel Cells from the Polymer Library
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| 976675 | POLYMERS AS FUNCTIONAL COMPONENTS IN BATTERIES AND FUEL CELLS . |
| Topics discussed include general considerations relating to batteries and fuel cells, design and function of lithium ion conductors, and design and transport mechanism of proton conductors. Polymers mentioned include PEO, ethoxylated cellulose, polyphenylene and poly(diallyldimethylammonium) dihydro ......... | |
| (The original document is in English and was published in 2005). | |
| 976328 | NOVEL SULFONATED POLY(ARYLENE ETHER KETONE) CONTAINING BENZOXAZOLE MEMBRANES FOR PROTON EXCHANGE MEMBRANE FUEL CELL . |
| Novel sulphonated poly(aryl ether ketones) with benzoxazole in their backbones were synthesised from 2,2'-bi(2-(4-flurophenyl)benzoxazol-6- yl)hexafluoropropane and sodium 5,5'-carbonylbis(2- fluorobenzenesulphonate) by nucleophilic polycondensation and characterised by IR spectroscopy, NMR spectros ......... | |
| (The original document is in English and was published in 2006). | |
| 976282 | STUDIES OF MODEL COMPOUNDS AND NAFION UNDER MIMIC FUEL CELL CONDITION CHEMICAL DURABILITY. |
| The durability of Nafion and model compounds with structural compounds similar to Nafion under accelerated lifetime conditions was assessed through a study of the chemical deposition products arising from decomposition in the presence of peroxide/hydroperoxide radicals. Concentrations of fluoride io ......... | |
| (The original document is in English and was published in 2005). | |
| 975650 | SULFONATED POLY(FLUORENYL ETHER KETONE) MEMBRANE PREPARED VIA DIRECT POLYMERIZATION FOR PEM FUEL CELL APPLICATION. |
| Sulphonated poly(fluorenyl ether ketone)s with inherent viscosity ranging from 0.68 to 0.93dL/g were directly synthesised by aromatic nucleophilic polycondensation of bisphenol fluorene with various ratios of sulphonated difluorobenzophenone to difluorobenzophenone. The synthesised polymers were cha ......... | |
| (The original document is in English and was published in 2006). | |
| 975646 | ACID-BASE POLYIMIDE BLENDS FOR THE APPLICATION AS ELECTROLYTE MEMBRANES FOR FUEL CELLS . |
| The synthesis and characterisation of new acid-base polymer blend membranes for the use in polymer electrolyte membrane fuel cell is presented in this paper. A novel polymeric base is synthesised from 1,4,5,8-naphthalenetetracarboxylic dianhydride, 2-bis [4-(4-aminophenoxy)phenyl] hexafluoropropane ......... | |
| (The original document is in English and was published in 2006). | |
| 975639 | FLUORENYL-CONTAINING SULFONATED POLY(ARYL ETHER ETHER KETONE KETONE)S (SPFEEKK) FOR FUEL CELL APPLICATIONS. |
| A series of fluorenyl-containing sulphonated poly(aryl ether ether ketone ketone)s (SPFEEKK) were synthesised via aromatic nucleophilic substitution polymerisation. The sulphonation content (SC) was controlled by the feed ratios of sulphonated and nonsulphonated monomers. Flexible and strong membran ......... | |
| (The original document is in English and was published in 2006). | |
| 975448 | DESIGN AND SYNTHESIS OF ION-CONDUCTIVE POLYPHOSPHAZENES FOR FUEL CELL APPLICATIONS: REVIEW. |
| New proton-conductive fuel cell membranes were produced by the linkage of acidic functional groups to aryloxy side units attached to a polyphosphazene macromolecular chain. The functional groups included sulphonic acid, phosphonic acid and sulphonimide units. The different functional groups imparted ......... | |
| (The original document is in English and was published in 2006). | |
| 975447 | MECHANICAL ENDURANCE OF POLYMER ELECTROLYTE MEMBRANE AND PEM FUEL CELL DURABILITY. |
| A report is presented on recent experimental and modelling work aimed at understanding the mechanisms of delayed mechanical failures of polymer electrolyte membranes and membrane electrode assemblies(MEAs) under relevant proton exchange membrane fuel cell(PEMFC) operating conditions. Mechanical brea ......... | |
| (The original document is in English and was published in 2006). | |
| 975446 | MECHANICAL PROPERTIES OF NAFION AND TITANIA/NAFION COMPOSITE MEMBRANES FOR POLYMER ELECTROLYTE MEMBRANE FUEL CELLS . |
| Measurements of the mechanical and electrical properties of Nafion and Nafion/titania composite membranes in constrained environments are reported. The elastic and plastic deformation of Nafion-based materials decreased with both the temperature and water content. Nafion/titania composites had sligh ......... | |
| (The original document is in English and was published in 2006). | |
| 975438 | POLYMER ELECTROLYTE MEMBRANES FOR THE DIRECT METHANOL FUEL CELL : A REVIEW. |
| A review is presented of research on polymer electrolyte membranes(PEMs) for the direct methanol fuel cell(DMFC), on transport phenomena in PEMs and on experimental techniques used to evaluate new PEMs for the DMFC. Although many PEMs do not show significant improvements over Nafion, the benchmark P ......... | |
| (The original document is in English and was published in 2006). | |
| 975437 | CONSIDERATION OF THERMODYNAMIC, TRANSPORT, AND MECHANICAL PROPERTIES IN THE DESIGN OF POLYMER ELECTROLYTE MEMBRANES FOR HIGHER TEMPERATURE FUEL CELL OPERATION. |
| A phenomenological theory is provided for water sorption and proton transport in polymer electrolyte membranes(PEMs) as well as in polymer-inorganic nanocomposite membranes(NCPEMs) that not only serves to rationalise the sorption and conductivity behaviour of conventional PEMs such as Nafion but als ......... | |
| (The original document is in English and was published in 2006). | |
| 975209 | PREPARATION AND PROPERTIES OF SULFONATED ETFE-G-POLYVINYLTOLUENE MEMBRANES FOR APPLICATION IN FUEL CELLS . |
| Vinyltoluene, vinyltoluene/divinylbenzene (DVB), styrene and styrene/DVB monomers were grafted into poly(ethylene-co-tetrafluoroethylene) (ETFE) films using the pre-irradiation method. The grafting was affected by the pre-irradiation gamma-irradiation dose, graft temperature and the DVB crosslinker. ......... | |
| (The original document is in English and was published in 2006). | |
| 974683 | DEVELOPMENT OF ENZYME IMMOBILIZATION POLYMERS FOR A SOYBEAN OIL POWERED FUEL CELL . |
| Nafion was modified by quaternary ammonium salts to permit the immobilisation of lipoxygenase for use in soybean-oil powered fuel cells. The modified Nafions permit rapid transport of the fuel through the membrane to the enzyme. The maximum power outputs from soybean oil-powered fuel cells with vari ......... | |
| (The original document is in English and was published in 2005). | |
| 974529 | PROTON CONDUCTIVITY AND PROPERTIES OF SULFONATED POLYARYLENETHIOETHER SULFONES AS PROTON EXCHANGE MEMBRANES IN FUEL CELLS . |
| A series of high molecular weight proton exchange membrane (PEM) materials, based on sulphonated polyarylenethioether sulphone (SPTES) copolymers, has been developed utilizing an all aromatic polymer backbone with bulky organic endcaps, along with a high sulphonic acid content that enhances water re ......... | |
| (The original document is in English and was published in 2006). | |
| 974526 | SULFONATED PEEK-WC MEMBRANES FOR PROTON-EXCHANGE MEMBRANE FUEL CELL : EFFECT OF THE INCREASING LEVEL OF SULFONATION ON ELECTROCHEMICAL PERFORMANCES. |
| Sulphonation of PEEK-WC powder (a glassy poly-ether ether ketone) has been performed at 80 deg.C for 3h using H"2SO"4 conc. (96%). The degree of sulphonation varied from 15 to 40%, depending on the reaction time. The sulphonated polymers (S-PEEK-WC) were used to prepare dense membranes for possible ......... | |
| (The original document is in English and was published in 2006). | |
| 974251 | IMPROVEMENT OF CHEMICAL STABILITY OF POLYMER ELECTROLYTE FUEL CELL MEMBRANES BY GRAFTING OF NEW SUBSTITUTED STYRENE MONOMERS ONTO ETFE FILMS. |
| Two substituted styrenic monomers, p-methylstyrene(MeSt), p-tert-butylstyrene(tBuSt), were grafted into ethylene- tetrafluoroethylene copolymer(ETFE) film with and without divinylbenzene(DVB) crosslinker. MeSt/tBuSt/DVB-grafted polymer electrolyte membrane showed high performance for fuel cell appl ......... | |
| (The original document is in English and was published in 2006). | |
| 973770 | HYBRID POLYELECTROLYTE MATERIALS FOR FUEL CELL APPLICATIONS: DESIGN, SYNTHESIS, AND EVALUATION OF PROTON-CONDUCTING BRIDGED POLYSILSESQUIOXANES. |
| The preparation of proton-conducting polysilsesquioxane membranes with covalently bound sulphonic acid functional groups, which are introduced in latent form as bis(triethoxysilyl)propyl disulphides, via sol-gel polymerisation and oxidation is described. Monomers 1,4- bis(triethoxysilyl)benzene and ......... | |
| (The original document is in English and was published in 2006). | |
| 973480 | DIRECT SYNTHESIS OF FULLY SULFONATED POLYARYLENETHIOETHER SULFONES AS PROTON-CONDUCTING POLYMERS FOR FUEL CELLS . |
| The synthesis of a sulphonated polyarylenethioether sulphone homopolymer with high proton conductivity by incorporation of the pendant acid functionality directly onto the polymer backbone is described. A wholly aromatic polymer backbone along with a saturated sulphonic acid content enhances water r ......... | |
| (The original document is in English and was published in 2006). | |
| 973421 | EX SITU HYDROLYTIC DEGRADATION OF SULFONATED POLYIMIDE MEMBRANES FOR FUEL CELLS . |
| Ex situ hydrolytic stability of sulphonated polyimide (s-PI) membranes for fuel cells was studied depending on structural and external parameters including the ion exchange capacity, the block character, the temperature and the hydrogen peroxide concentration. Infrared spectroscopy was used to ident ......... | |
| (The original document is in English and was published in 2006). | |
| 973306 | SYNTHESIS AND CHARACTERIZATION OF NEW SULFONATED POLYIMIDES AS PROTON-EXCHANGE MEMBRANES FOR FUEL CELLS . |
| The synthesis and characterisation of a series of new sulphonated polyimides are described. One-step high temperature polymerisation method was used to prepare the sulphonated polyimide copolymers from 1,4,5,8-naphthalenetetracarboxylic dianhydride (NTDA), 4,4'-diaminostilbene-2,2'-disulfonic acid ( ......... | |
| (The original document is in English and was published in 2006). | |
| 973305 | NOVEL SPEEK/HETEROPOLYACIDS LOADED MCM-41 COMPOSITE MEMBRANES FOR FUEL CELL APPLICATIONS. |
| Novel composite membranes have been prepared with the help of sulphonated polyether ether ketone (SPEEK) polymer and solid proton conductors developed recently from heteropolyacids loaded MCM-41. The contents of this newly developed solid proton conductors varied from 10wt.% to 40wt.% in the composi ......... | |
| (The original document is in English and was published in 2006). | |
| 972849 | NYLON 6/CB POLYMERIC CONDUCTIVE PLASTIC BIPOLAR PLATES FOR PEM FUEL CELLS . |
| Bipolar-parallel-plate gas-flow channels for proton-exchange-membrane fuel cells (PEMFCs) with serpentine, grid, and branch gas-flow channel configurations were prepared from various composites of nylon-6 and carbon black (CB). The effect of temperature on the resistivity of the nylon-6/CB composite ......... | |
| (The original document is in English and was published in 2006). | |
| 972675 | FLUORINATED, CROSSLINKABLE TERPOLYMERS BASED ON VINYLIDENE FLUORIDE AND BEARING SULFONIC ACID SIDE GROUPS FOR FUEL - CELL MEMBRANES. |
| The synthesis, characterisation and hydrolysis of poly(vinylidene fluoride-ter-perfluoro(4-methyl-3,6-dioxaoct-7-ene) sulphonyl fluoride-ter-8-bromo-1H,1H,2H-perfluorooct-1-ene) terpolymers followed by the crosslinking of the hydrolysed materials is described. The physicochemical, thermal and electr ......... | |
| (The original document is in English and was published in 2006). | |
| 972670 | SYNTHESIS AND PROPERTIES OF A NEW FLUORINE-CONTAINING POLYBENZIMIDAZOLE FOR HIGH TEMPERATURE FUEL - CELL APPLICATIONS. |
| The synthesis of an amorphous, organosoluble, fluorine-containing polybenzimidazole (PBI) is described. Proton conducting PBI membranes are prepared by solution casting and doped with different amounts of phosphoric acid. Membranes show better methanol barrier ability than a Nafion membrane. The pro ......... | |
| (The original document is in English and was published in 2006). | |
| 972633 | STUDY OF ELECTRODEPOSITED POLYPYRROLE COATINGS FOR THE CORROSION PROTECTION OF STAINLESS STEEL BIPOLAR PLATES FOR THE PEM FUEL CELL . |
| Polypyrrole coatings were prepared on stainless steel SS304 in order to study the corrosion protection provided by the conductive polymer in a simulated PEM fuel cell environment. The polypyrrole was deposited by electrochemical polymerisation with 0.04, 0.07 and 0.14gcm - 2 onto SS304 electrodes. P ......... | |
| (The original document is in English and was published in 2006). | |
| 972604 | SUITABILITY OF SOME FLUOROPOLYMERS USED AS BASE FILMS FOR PREPARATION OF POLYMER ELECTROLYTE FUEL CELL MEMBRANES. |
| Radiation grafting is a well-established technique for the preparation of polymer electrolyte membranes for fuel cells. The nature of the base films is an important parameter which is in close relation to the properties of the fuel cell membranes. In this study, six commercially available fluoropoly ......... | |
| (The original document is in English and was published in 2006). | |
| 972595 | PHYSICOCHEMICAL PROPERTIES OF PHOSPHORIC ACID DOPED POLYBENZIMIDAZOLE MEMBRANES FOR FUEL CELLS . |
| Polybenzimidazole (PBI) membranes have been prepared with different molecular weights. The water and acid swelling, mechanical strength, gas permeability and proton conductivity were studied for the pristine and acid doped PBI membranes. When doped with 5 mol of phosphoric acid per mole repeat unit ......... | |
| (The original document is in English and was published in 2006). | |
| 972593 | HYBRID MEMBRANES FOR FUEL CELLS BASED ON NANOMETER YSZ AND POLYACRYLONITRILE MATRIX. |
| A great deal of effort is required to design polymer electrolyte fuel cells (PEFCs) using new polymers and hybrid organic/inorganic compounds that can work at higher temperatures. These materials must have lasting thermal stability as well as improved ionic conductivity. Operation at elevated temper ......... | |
| (The original document is in English and was published in 2006). | |
| 972168 | CROSSLINKED POLY(VINYL ALCOHOL)(PVA) MEMBRANES WITH PHOSPHOMOLYBDIC ACID(PMA) FOR DIRECT METHANOL FUEL CELLS . |
| A composite membrane based on crosslinked PVAl and phosphomolybdic acid was prepared and its proton conductivity and methanol diffusivity were studied. The highest proton conductivity of 0.0101 S/cm was measured at room temperature. A diffusion cell was constructed and used to evaluate the methanol ......... | |
| (The original document is in English and was published in 2005). | |
| 971813 | INVESTIGATION OF SULFONATED POLY(ETHER ETHER KETONE SULFONE)/HETEROPOLYACID COMPOSITE MEMBRANES FOR HIGH TEMPERATURE FUEL CELL APPLICATIONS. |
| A report is presented on the preparation of sulphonated poly(ether ether ketone sulphone)/heteropolyacid composite membranes containing different amounts of heteropolyacid and having different degrees of sulphonation by solution casting and their characterisation by FTIR spectroscopy and scanning el ......... | |
| (The original document is in English and was published in 2006). | |
| 971542 | MULTI-PARADIGM MULTI-SCALE SIMULATIONS FOR FUEL CELL CATALYSTS AND MEMBRANES. |
| Progress towards the development of a predictive model for estimating the effects of design changes on performance and for monitoring the performance of catalysts and membranes in fuel cell systems is described. The use of a first principles quantum mechanics-based reactive force field to describe c ......... | |
| (The original document is in English and was published in 2006). | |
| 971539 | POWER CONTROL OF A POLYMER ELECTROLYTE MEMBRANE FUEL CELL . |
| Power control of a polymer electrolyte membrane fuel cell (PEMFC) was studied using a feedback structure with response time, available power range and energy conversion efficiency as measures of performance. A simplistic PEMFC model is used to consider operational goals and the challenges of stack c ......... | |
| (The original document is in English and was published in 2006). | |
| 971449 | MOLECULAR SIMULATION OF THE GLASS TRANSITION AND PROTON CONDUCTIVITY OF 2,2'-BENZIDINEDISULFONIC ACID AND 4,4'-DIAMINODIPHENYLETHER-2,2'- DISULFONIC ACID-BASED COPOLYIMIDES AS POLYELECTROLYTES FOR FUEL CELL APPLICATIONS. |
| Glass transition temperatures and proton conductivities of polyimides synthesised from naphthalene-1,4,5,8-tetracarboxylic dianhydride, 2,2'-benzidinedisulphonic acid, 4,4'-diaminodiphenylether-2,2'- disulphonic acid and non-sulphonated diamine monomers were modelled using molecular dynamics simulat ......... | |
| (The original document is in English and was published in 2006). | |
| 971231 | WATER ACTIVITIES OF POLYMERIC MEMBRANE/WATER SYSTEMS IN FUEL CELLS . |
| A new equation of state (EOS) is established to describe water activities of polymeric membrane/water systems in fuel cell. It is developed based on the modified perturbed hard-sphere-chain (PHSC) EOS by introducing a new perturbation equation that is obtained from the generalized Lennard-Jones (GLJ ......... | |
| (The original document is in English and was published in 2006). | |
| 971228 | DEGRADATION OF SULFONATED POLYIMIDE MEMBRANES IN FUEL CELL CONDITIONS. |
| The stability of sulphonated polyimide (sPI) membranes in fuel cell conditions was studied under stationary and cycling electric loading conditions. The lifetime in operating conditions was shown to vary from few tens to several hundreds of hours depending on both the membrane ion content and the fu ......... | |
| (The original document is in English and was published in 2006). | |
| 971227 | NANO-TIO"2-COATED POLYMER ELECTROLYTE MEMBRANES FOR DIRECT METHANOL FUEL CELLS . |
| Composite polymer electrolyte membranes with nano-TiO"2 films are fabricated by deposition of titania nanoparticles from a sol solution. Measurements of ion conductivity, methanol permeability and single-cell performance of the modified Nafion membranes are conducted. The TiO"2 films adhere well and ......... | |
| (The original document is in English and was published in 2006). | |
| 971198 | MAIN AND INTERACTION EFFECTS OF PEM FUEL CELL DESIGN PARAMETERS. |
| In this work, a two-dimensional model is used to analyze the main and interaction effects of five design factors, at three levels in a polymer electrolyte membrane (PEM) fuel cell. The model used in this study is a detailed two-dimensional steady-state model, solved using a finite element partial di ......... | |
| (The original document is in English and was published in 2006). | |
| 971195 | OPERATION OF A PROTON-EXCHANGE MEMBRANE FUEL CELL UNDER NON-HUMIDIFIED CONDITIONS USING THIN CAST NAFION MEMBRANES WITH DIFFERENT GAS-DIFFUSION MEDIA. |
| Thin membranes in polymer electrolyte membrane fuel cells (PEMFCs) enhance the back diffusion of water from cathode to anode and allow operation of the PEMFC under dry conditions. In this work, thin cast Nafion membranes are prepared to operate the PEMFC under non-humidified conditions at various te ......... | |
| (The original document is in English and was published in 2006). | |
| 971194 | MODELING AND OPTIMIZATION OF THE AIR SYSTEM IN POLYMER EXCHANGE MEMBRANE FUEL CELL SYSTEMS. |
| Stack and air system are the two most important components in the fuel cell system (FCS). It is meaningful to study their properties and the trade-off between them. In this paper, a modified one-dimensional steady-state analytical fuel cell model is used. The logarithmic mean of the inlet and the ou ......... | |
| (The original document is in English and was published in 2006). | |
| 971193 | PREPARATION OF RADIOCHEMICALLY PORE-FILLED POLYMER ELECTROLYTE MEMBRANES FOR DIRECT METHANOL FUEL CELLS . |
| Polymer electrolyte pore-filled membranes, for possible use in direct methanol fuel cells (DMFCs), have been prepared by radiochemical grafting of styrene into porous poly(vinylidene fluoride) (PVDF) films using simultaneous irradiation with an electron beam (EB) followed by a sulphonation reaction. ......... | |
| (The original document is in English and was published in 2006). | |
| 971192 | NMR INVESTIGATION OF WATER AND METHANOL TRANSPORT IN SULFONATED POLYAREYLENETHIOETHERSULFONES FOR FUEL CELL APPLICATIONS. |
| We report an investigation of water and methanol transport in polymer electrolyte membranes based on highly sulphonated polyarelenethioethersulphones (SPTES) for direct methanol fuel cell (DMFC) applications. Measurements of both water and methanol self-diffusion coefficients of SPTES polymer as wel ......... | |
| (The original document is in English and was published in 2006). | |
| 971189 | SYNTHESIS AND CHARACTERIZATION OF SULFONATED POLY(ARYLENE ETHER SULFONE) COPOLYMERS CONTAINING CARBOXYL GROUPS FOR DIRECT METHANOL FUEL CELLS . |
| Sulphonated poly(arylene ether sulphone) copolymers derived from sulphonated 4,4'-dichlorodiphenyl sulphone (S-DCDPS), 4,4'-dichlorodiphenyl sulphone (DCDPS) and phenolphthalin (PP) were evaluated as polymer electrolyte membranes for direct methanol fuel cells. The change in ion exchange capacity, s ......... | |
| (The original document is in English and was published in 2006). | |
| 971184 | DFT INVESTIGATION OF THE POLYMER ELECTROLYTE MEMBRANE DEGRADATION CAUSED BY OH RADICALS IN FUEL CELLS . |
| Thermodynamic properties (DELTAH"R deg.,DELTAG"R deg.) of the radicals originating from the reactions of the compounds modelling building blocks of the polymer membranes used in low temperature fuel cell applications with hydroxyl radicals and oxygen molecules are studied in water environment and ro ......... | |
| (The original document is in English and was published in 2006). | |
| 971183 | STRUCTURAL AND ELECTROCHEMICAL INVESTIGATION ON RE-CAST NAFION MEMBRANES FOR POLYMER ELECTROLYTE FUEL CELLS (PEFCS) APPLICATION. |
| Starting from a 5wt% ion power Nafion (R) solution and dissolving the dry residue in a suitable solvent (10wt% solution in dimethylacetamide), re-cast Nafion films were developed for polymer electrolyte fuel cells (PEFCs) application. The used Doctor-Blade casting technique allowed to prepare scaled ......... | |
| (The original document is in English and was published in 2006). | |
| 970958 | SYNTHESIS AND CHARACTERIZATION OF 3,3'-DISULFONATED-4,4'-DICHLOROPHENYL SULFONE (SDCDPS) MONOMER FOR PROTON EXCHANGE MEMBRANES (PEM) IN FUEL CELL APPLICATIONS. |
| The synthesis of 3,3'-disulphonated-4,4'-dichlorophenyl sulphone monomer was optimised. High molecular weight poly(arylene ether sulphone) copolymers for proton exchange membranes in fuel cell applications were synthesised using this disulphonated monomer. Disulphonated poly(arylene ether sulphone) ......... | |
| (The original document is in English and was published in 2006). | |
| 970525 | DETERMINATION OF THE PHYSICOCHEMICAL CHARACTERISTICS AND ELECTRICAL PERFORMANCE OF POSTSULFONATED AND GRAFTED SULFONATED DERIVATIVES OF POLY(PARA-PHENYLENE) AS NEW PROTON-CONDUCTING MEMBRANES FOR DIRECT METHANOL FUEL CELL . |
| The physicochemical properties of three poly(para-phenylene) (PPP)-based polymers were compared with those of Nafion membranes. One of the PPP polymers was prepared by post-sulphonation, whereas the other two (a grafted sulphonated PPP polymer and a grafted perfluorinated sulphonated polymer) were p ......... | |
| (The original document is in English and was published in 2006). | |
| 970314 | SIZE OF FUEL CELL REDUCED TO ONE-THIRD. |
| Seiko Instruments has developed a 3W polymer electrolyte fuel cell (PEFC) based on sodium boron hydride that is about one-third the size of conventional PEFCs. It aims to establish its technology before the end of 2007 for practical use as the external power source for mobile phones, digital cameras ......... | |
| (The original document is in English and was published in 2006). | |
| 970026 | INFLUENCE OF PARTICLE SIZE AND SHAPE ON ELECTRICAL AND MECHANICAL PROPERTIES OF GRAPHITE REINFORCED CONDUCTIVE POLYMER COMPOSITES FOR THE BIPOLAR PLATE OF PEM FUEL CELLS . |
| Graphite-reinforced conductive polymer composites(CPCs) with high filler loadings were fabricated by compression moulding. Various sizes and shapes of graphite particles were mixed with phenolic resin to impart the electrical conductivity in composites. Fabricated CPCs showed good electrical conduct ......... | |
| (The original document is in English and was published in 2006). | |
| 969913 | LAYER-BY-LAYER SELF-ASSEMBLY OF COMPOSITE POLYELECTROLYTE-NAFION MEMBRANES FOR DIRECT METHANOL FUEL CELLS . |
| A novel composite polyelectrolyte-Nafion membrane for direct methanol fuel cells is reported. It is fabricated by the layer-by-layer self assembly of oppositely charged polyelectrolytes on a Nafion membrane. The polyelectrolytes employed are poly(diallyldimethylammonium chloride), poly(sodiumstyrene ......... | |
| (The original document is in English and was published in 2006). | |
| 969845 | PHYSICOCHEMICAL PROPERTIES OF PROTON CONDUCTING MEMBRANES BASED ON IONIC LIQUID IMPREGNATED POLYMER FOR FUEL CELLS . |
| A room temperature ionic liquid, 2,3-dimethyl-1-octylimidazolium trifluoromethane sulphonate, was incorporated into a vinylidene fluoride-hexafluoropropylene copolymer and the electrical properties (conductivity and dielectric constant), mobility of protons and anions and heat stability of the resul ......... | |
| (The original document is in English and was published in 2006). | |
| 969712 | DEVELOPMENT OF NAFION/SiO 2/PHOSPHOTUNGSTIC ACID NANOCOMPOSITE MEMBRANES FOR HIGH TEMPERATURE PROTON EXCHANGE MEMBRANE FUEL CELLS . |
| Details are given of the immobilisation of phosphotungstic acid in mesoporous silica using aminopropyltriethoxysilane. Nanocomposite polymer electrolyte membranes were cast from mixtures of phosphotungstic acid-loaded silica and Nafion PTFE in ethanol. Characterisation was undertaken using TGA, X-ra ......... | |
| (The original document is in English and was published in 2005). | |
| 969503 | AN OVERVIEW OF ELECTRO-OSMOSIS IN FUEL CELL POLYMER ELECTROLYTES. |
| Electro-osmosis, the transport of water with protons, in polymer electrolyte fuel cell membranes is important because it effects water management within an operating cell on both a global and local level. The electro-osmotic drag coefficient is the number of water molecules transported per proton an ......... | |
| (The original document is in English and was published in 2006). | |
| 969496 | MULTIBLOCK SULFONATED-FLUORINATED POLY(ARYLENE ETHER)S FOR A PROTON EXCHANGE MEMBRANE FUEL CELL . |
| New proton exchange membranes were prepared and evaluated as polymer electrolytes for a proton exchange membrane fuel cell (PEMFC). Sulphonated-fluorinated poly(arylene ether) multiblocks (MBs) were synthesised by nucleophilic aromatic substitution of highly activated fluorine terminated telechelics ......... | |
| (The original document is in English and was published in 2006). | |
| 969486 | STRUCTURE-PROPERTY-PERFORMANCE RELATIONSHIPS OF SULFONATED POLY(ARYLENE ETHER SULFONE)S AS A POLYMER ELECTROLYTE FOR FUEL CELL APPLICATIONS. |
| This article focuses on structure-property-performance relationships of directly copolymerized sulphonated polysulphone polymer electrolyte membranes. The chemical structure of the bisphenol-based disulphonated polysulphones was systematically alternated by introducing fluorine moieties or other pol ......... | |
| (The original document is in English and was published in 2006). | |
| 968520 | SPEEKK/POLYANILINE (PANI) COMPOSITE MEMBRANES FOR DIRECT METHANOL FUEL CELL USAGES. |
| The preparation of sulphonated poly(etheretherketoneketone)/polyaniline (PANI) composite membranes and their characterisation for direct methanol fuel cell applications is reported. The effects of PANI on morphology, membrane structure, proton conductivity and fuel cell performance are discussed in ......... | |
| (The original document is in English and was published in 2006). | |
| 968518 | MODIFIED SULFONATED POLY(ARYLENE ETHER SULFONE)-b-POLYBUTADIENE (SPAES-b-PB) MEMBRANE FOR FUEL CELL APPLICATIONS. |
| The preparation of membranes based on sulphonated poly(arylene ether sulphone-b-butadiene) block copolymers by solution casting followed by chemical modification by epoxidation of the polybutadiene blocks using an in-situ generated peracid method is described. The modified membranes were characteris ......... | |
| (The original document is in English and was published in 2006). | |
| 968381 | CHEMICALLY MODIFIED PROTON-CONDUCTING MEMBRANES BASED ON SULFONATED POLYIMIDES: IMPROVED WATER STABILITY AND FUEL - CELL PERFORMANCE. |
| The preparation of a series of branched/crosslinked sulphonated polyimide membranes and an evaluation of their proton conducting properties are described. Chemical branching and crosslinking gives the membranes good water stability and mechanical properties under an accelerated ageing treatment in w ......... | |
| (The original document is in English and was published in 2006). | |
| 968129 | DEVELOPMENT OF NAPHTHALENE-BASED SULFONATED POLYIMIDE MEMBRANES FOR FUEL CELL APPLICATIONS. |
| A review is presented of the literature on recent progress related to naphthalene-based sulphonated polyimides(SPIs) in terms of proton conductivity, membrane swelling behaviour, membrane stability toward water, and fuel cell performance in polymer electrolyte fuel cells(PEFCs) or direct methanol fu ......... | |
| (The original document is in English and was published in 2006). | |
| 967344 | SURFACE SELECTIVE POLYMERIZATION OF POLYPYRROLE ON ORDERED MESOPOROUS CARBON: ENHANCING INTERFACIAL CONDUCTIVITY FOR DIRECT METHANOL FUEL CELL APPLICATION. |
| The preparation of ordered mesoporous carbon (OMC) selectively covered on the outer surface with polypyrrole (PPy) is described. The PPy-OMC composite material maintains the regular mesopore structure and high surface area of the OMC while exhibiting decreased electrical resistance. PPy-OMC gives mo ......... | |
| (The original document is in English and was published in 2006). | |
| 966920 | THERMAL STABILITY IN AIR OF PT/C CATALYSTS AND PEM FUEL CELL CATALYST LAYERS. |
| The thermal stability of platinum/Vulcan XC 72 catalysts and a PEM fuel cell platinum/Vulcan XC 72 catalyst/Nafion catalyst layer were studied by TGA in air and the decomposition products analysed by TGA coupled with mass spectroscopy. It was found that platinum catalysed the decomposition of Nafion ......... | |
| (The original document is in English and was published in 2006). | |
| 966440 | NAFION COMPOSITE MEMBRANES CONTAINING ROD-SHAPED POLYROTAXANES FOR DIRECT METHANOL FUEL CELLS . |
| The preparation of solution cast composite membranes based on a commercial sulphonated perfluoropolyether and various proportions of nanorod-shaped polyrotaxanes, synthesised by the inclusion-complex reaction between alpha-cyclodextrin and poly(ethylene glycol) of different molecular weights, is des ......... | |
| (The original document is in English and was published in 2006). | |
| 966055 | EFFECTS OF POLYAMIDOAMINE DENDRIMERS ON THE CATALYTIC LAYERS OF A MEMBRANE ELECTRODE ASSEMBLY IN FUEL CELLS . |
| Polyamidoamine dendrimers were used in the catalytic layers of a membrane electrode assembly in fuel cells. The dendrimers reduced the platinum catalyst surface area and thus decreased the amount of platinum used, but at the same time improved the transport by filling the voids between the carbon su ......... | |
| (The original document is in English and was published in 2006). | |
| 965873 | COMPOSITE ANION EXCHANGE MEMBRANE FOR ALKALINE DIRECT METHANOL FUEL CELL : STRUCTURAL AND ELECTROCHEMICAL CHARACTERIZATION. |
| Composite insoluble anion exchange membranes were prepared from a copolymer of vinyl pyridine and styrene which had been treated with bromooctane, and a fibrous woven material. These membranes were characterised using wide angle X-ray scattering, tensile strength measurements, scanning electron micr ......... | |
| (The original document is in English and was published in 2006). | |
| 965583 | MODIFICATION OF NAFION MEMBRANE USING POLY(4-VINYL PYRIDINE) FOR DIRECT METHANOL FUEL CELL . |
| The modification of a commercial sulphonated perfluoropolyether membrane by formation of ionic crosslinks using poly(4-vinyl pyridine)(P4VP) by immersion of the membrane in polymer solution, and characterisation of the modified membrane by FTIR, proton conductivity, methanol permeability, SEM and wa ......... | |
| (The original document is in English and was published in 2006). | |
| 965080 | IMPROVED POLYMER FUEL CELL MEMBRANES. |
| At the Georgia Institute of Technology in the USA, scientists have identified a chemical that might allow polymer electrolyte membrane (PEM) fuel cells to operate at a much higher temperature than they are currently able to do. This would allow PEM cells to run cars and power electronic systems. Bri ......... | |
| (The original document is in English and was published in 2005). | |
| 964335 | CARBONIZED HEMOGLOBIN FUNCTIONING AS A CATHODE CATALYST FOR POLYMER ELECTROLYTE FUEL CELLS . |
| The production of a catalyst for cathodic oxygen reduction in polymer electrolyte fuel cells by carbonisation of haemoglobin is described. The products were characterised by electrochemical properties, specific surface area, mean pore diameter and pore size distribution (nitrogen adsorption isotherm ......... | |
| (The original document is in English and was published in 2006). | |
| 964174 | FUEL CELL : A RENEWABLE ENERGY SOURCE. |
| The design of fuel cells, including the fuel cell stack, fuel processor, current converter and heat recovery system, is described and the three key layers in a polymer electrolyte membrane (PEM) fuel cell, i.e. the membrane electrode assembly, catalyst and hardware, are discussed. Types of fuel cell ......... | |
| (The original document is in English and was published in 2005). | |
| 963397 | POLYMER MATERIALS FOR AUTOMOTIVE FUEL CELLS - FUNCTIONS AND FURTHER REQUIREMENTS. |
| A state-of-the-art review is presented in Polymer Electrolyte Membrane (PEM) fuel cell technology for transport applications. This is followed by a discussion of the functions of the individual parts of an automotive fuel cell propulsion system which has contact with hydrogen fuel. A detailed examin ......... | |
| (The original document is in English and was published in 2005). | |
| 963260 | EMBEDDED POLYMERIZATION DRIVEN ASYMMETRIC PEM FOR DIRECT METHANOL FUEL CELLS . |
| Proton exchange membranes (PEMs) with stronger resistance to methanol penetration than Nafion 117 were fabricated. A three-component acrylic polymer blend (TCPB) consisting of a copolymer of 4-vinylphenol methyl methacrylate, polybutyl methacrylate and a methyl methacrylate-ethyl acrylate copolymer ......... | |
| (The original document is in English and was published in 2006). | |
| 963250 | CONTRIBUTION OF NANOCLAYS TO THE BARRIER PROPERTIES OF A MODEL PROTON EXCHANGE MEMBRANE FOR FUEL CELL APPLICATION. |
| Direct methanol fuel cells (DMFCs) that use a proton exchange membrane as electrolyte are a promising alternative source of energy, but methanol crossover from the anodic side to the cathodic one is a major problem in DMFC. Proper dispersion of layered silicates within the fuel cell membrane has bee ......... | |
| (The original document is in English and was published in 2006). | |
| 962227 | SULFONATED POLY(ETHER ETHER KETONE)/POLY(VINYLPYRROLIDONE) ACID-BASE POLYMER BLENDS FOR DIRECT METHANOL FUEL CELL APPLICATION. |
| Acid-base polymer blends for polymer electrolyte membranes for direct methanol fuel cell applications were prepared by blending sulphonated PEEK (SPEEK) with poly(vinylpyrrolidone) (PVP) in order to reduce methanol uptake and decrease methanol permeability while maintaining a high proton conductivit ......... | |
| (The original document is in English and was published in 2006). | |
| 961734 | BLENDS OF SULFONATED POLYSULFONE AND POLY(ETHYLENE OXIDE)-GRAFTED- POLYETHERSULFONE AS PROTON EXCHANGE MEMBRANES FOR FUEL CELL APPLICATIONS. |
| The properties of solution-cast membranes of blends of sulphonated polysulphone and poly(ethylene oxide-g-ethersulphone) graft copolymer of different compositions were studied by proton NMR, GPC, DMA, SEM, water uptake, proton conductivity and FTIR. The results are discussed in terms of potential ap ......... | |
| (The original document is in English and was published in 2005). | |
| 961261 | NAFION-SULFONATED POLY(ARYLENE ETHER SULFONE) COMPOSITE MEMBRANE FOR DIRECT METHANOL FUEL CELL . |
| Composite membranes of Nafion and sulphonated polyarylene ether sulphone were prepared. Sulphonated polyarylene ether sulphones with different degrees of sulphonation were blended with Nafion to reduce the methanol crossover. The morphology, proton conductivity and methanol permeability of the resul ......... | |
| (The original document is in English and was published in 2005). | |
| 960599 | POLY(PHTHALAZINONE ETHER KETONE) IONOMERS SYNTHESIZED VIA N-C COUPLING REACTION FOR FUEL CELL APPLICATIONS. |
| Preparation of sulphonated poly(phthalazinone ether ketone)s, using a direct nitrogen to carbon coupling polymerisation and suitable for casting into ion exchange membranes, is described. Characterisation was carried out using elemental analysis, nuclear magnetic resonance spectroscopy, thermogravim ......... | |
| (The original document is in English and was published in 2005). | |
| 959533 | PLATINUM-MIXED CATALYTIC LAYER FOR FUEL CELLS TO BOOST POWER GENERATION. |
| Dai Nippon Printing has begun manufacture on a trial basis of catalyst-transfer film for use in the membrane-electrode assembly of polymer electrolyte fuel cells. It aims to develop a mass-production system using its printing technology, it is briefly reported. DNP has developed a film coated with c ......... | |
| (The original document is in English and was published in 2006). | |
| 958541 | NANOSTRUCTURED PROTON-CONDUCTING MEMBRANES FOR FUEL CELL APPLICATIONS. |
| Composite membranes were fabricated by casting solutions of sulphonated polyarylene ether sulphone, phosphotungstic acid for improving conductivity and benzimidazole derivatives as crosslinking agents onto a glass plate. Interactions between the polymer, phosphotungstic acid and benzimidazole deriva ......... | |
| (The original document is in English and was published in 2005). | |
| 956080 | NEW HIGHLY PROTON-CONDUCTING MEMBRANE POLYVINYLPYRROLIDONE MODIFIED POLYVINYL ALCOHOL/ACRYLAMIDOMETHYLPROPANESULFONIC ACID FOR LOW TEMPERATURE DIRECT METHANOL FUEL CELLS . |
| Chemically crosslinked polymer blend membranes consisting of PVAL, acrylamidomethylpropanesulphonic acid and polyvinylpyrrolidone were prepared and evaluated as proton conducting polymer electrolytes. The proton conductivity of the membranes was investigated as a function of crosslinking time, blend ......... | |
| (The original document is in English and was published in 2005). | |
| 955151 | SYNTHESIS OF SULFONATED POLY(IMIDOARYL ETHER SULFONE) MEMBRANES FOR POLYMER ELECTROLYTE MEMBRANE FUEL CELLS . |
| Sulphonated poly(imidoaryl ether sulphone)s were prepared from sulphonated 4,4'-dichlorodiphenyl sulphone, 4,4'-dichlorodiphenyl sulphone and imidoaryl biphenol and characterised by FTIR spectroscopy, NMR spectroscopy, TGA and DSC. States of water in the sulphonated poly(imidoaryl ether sulphone) me ......... | |
| (The original document is in English and was published in 2005). | |
| 955058 | POLYMERIC FUEL CELL MEMBRANES: MECHANICAL PROPERTIES AND DURABILITY. |
| Polymers are essential materials for low temperature fuel cells. Proton Exchange Membrane (PEM) fuel cells typically feature a polymer electrolyte and usually include other polymer components as well. Design of PEM cells for high performance and (especially) for durability requires that the physical ......... | |
| (The original document is in English and was published in 2005). | |
| 954951 | NOVEL POLYMER ELECTROLYTE MEMBRANE, BASED ON PYRIDINE CONTAINING POLY(ETHER SULFONE), FOR APPLICATION IN HIGH-TEMPERATURE FUEL CELLS . |
| The synthesis of poly(aryl ether sulphone) copolymers containing 2,5-biphenyl pyridine and tetramethyl biphenyl groups in the main chain by polycondensation, and their characterisation by proton NMR, GPC, DMA, TGA and electrical conductivity, is described. The electrochemical properties of solution- ......... | |
| (The original document is in English and was published in 2005). | |
| 954761 | NANOSIZED TiO2-FILLED SULFONATED POLYETHERSULFONE PROTON CONDUCTING MEMBRANES FOR DIRECT METHANOL FUEL CELLS . |
| The effects of titanium dioxide nanoparticles in a sulphonated polyethersulphone with degree of sulphonation of 70% were examined. A series of inorganic-organic hybrid membranes were prepared by systematic variation of the amount of titanium dioxide nanoparticles present. The water uptake, permeabil ......... | |
| (The original document is in English and was published in 2005). | |
| 954400 | SULFONATED POLY(PHTHALAZINONE ETHER KETONE) FOR PROTON EXCHANGE MEMBRANES IN DIRECT METHANOL FUEL CELLS . |
| Membranes of the above polymer (SPPEK) were cast from DMAc solution and tested for their application as proton exchange membranes in direct methanol fuel cells (DMFCs). The methanol and water swelling uptake and several permeation tests indicated that SPPEK had a lower affinity to methanol than Nafi ......... | |
| (The original document is in English and was published in 2005). | |
| 954328 | QUATERNIZED POLYETHERSULFONE CARDO ANION EXCHANGE MEMBRANES FOR DIRECT METHANOL ALKALINE FUEL CELLS . |
| An anion exchange membrane, quaternised polyethersulphone Cardo, was prepared. Polyethersulphone Cardo was chloromethylated with the complex solution of chloromethylether and zinc chloride. Subsequent reaction with trimethylamine and ion exchange with sodium hydroxide yielded an alkaline anion excha ......... | |
| (The original document is in English and was published in 2005). | |
| 954324 | WATER FLOW IN THE GAS DIFFUSION LAYER OF PEM FUEL CELLS. |
| Water flow through carbon cloth and carbon paper gas diffusion media used for polymer electrolyte membrane fuel cells treated with Teflon was measured. The gas diffusion layer (GDL) media were hydrophobic and it was necessary to apply pressure to force water to penetrate into the pores of these mate ......... | |
| (The original document is in English and was published in 2005). | |
| 951860 | HIGH-TEMPERATURE POLYBENZIMIDAZOLE FUEL CELL MEMBRANES VIA A SOL-GEL PROCESS. |
| The preparation of phosphoric acid-doped polybenzimidazole membrane films via a sol-gel process by solution casting using polyphosphoric acid as solvent followed by hydrolysis is described. The membranes were characterised by phosphorus-31 NMR, DMA, acid-base titration, tensile properties and ionic ......... | |
| (The original document is in English and was published in 2005). | |
| 951675 | FUEL - CELL DEVELOPERS SEE THEIR LOSSES MOUNT. |
| According to a survey by PricewaterhouseCoopers, the world's top 20 fuel cell producers are operating at losses totalling hundreds of millions of dollars as they struggle to commercialise their products. Net losses in the sector reached 465m US dollars in 2004, up from 387m US dollars in 2003, the s ......... | |
| (The original document is in English and was published in 2005). | |
| 951304 | A SEMI-EMPIRICAL CELL VOLTAGE MODEL FOR THE DIRECT METHANOL FUEL CELL : THE METHANOL CROSSOVER EFFECT. |
| A new semi-empirical model was developed to describe the cell voltage of a direct methanol fuel cell as a function of current density. The model equation was validated experimentally for a small-scale fuel cell over a wide range of methanol concentrations and temperatures. This new model, with reaso ......... | |
| (The original document is in English and was published in 2005). | |
| 950928 | PHOTO-CROSS-LINKING OF SULFONATED STYRENE-ETHYLENE-BUTYLENE COPOLYMER MEMBRANES FOR FUEL CELLS . |
| The effects of photochemical crosslinking using benzophenone as initiator on the properties of sulphonated styrene-ethylene-butylene copolymer membranes were investigated by water swelling, proton conductivity, ion exchange capacity and FTIR measurements. The fuel cell performance and stability of t ......... | |
| (The original document is in English and was published in 2005). | |
| 950926 | HYFLON ION MEMBRANE FOR FUEL CELLS . |
| The development of hydrophilic highly conductive proton exchange membranes based on the copolymer of tetrafluoroethylene and a short side-chain perfluorosulphonylfluoride vinyl ether is described. The membranes were characterised by TGA, water uptake, tensile properties and fuel cell performance and ......... | |
| (The original document is in English and was published in 2005). | |
| 950925 | IMPORTANCE OF PROTON CONDUCTIVITY MEASUREMENT IN POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL APPLICATION. |
| The measurement of impedance and proton conductivity of polymer electrolyte membranes were investigated using the two-probe and four-probe methods under different cell configurations and measurement conditions. The effects of different humidity and temperature conditions on proton conductivity were ......... | |
| (The original document is in English and was published in 2005). | |
| 950586 | CROSSLINKED SULFONATED POLYIMIDE NETWORKS AS POLYMER ELECTROLYTE MEMBRANES IN FUEL CELLS . |
| Sulphonated polyimides are synthesised and crosslinked with various dibromo alkane crosslinkers to improve hydrolytic stability. The effect of the chain length of dibromo alkanes is studied in detail. The crosslinked films are characterised for their thermal stability, ion-exchange capacity, water u ......... | |
| (The original document is in English and was published in 2005). | |
| 949921 | CHITOSAN-SODIUM ALGINATE POLYION COMPLEXES AS FUEL CELL MEMBRANES. |
| Blends of 84% deacetylated chitosan and sodium alginate, which spontaneously form polyion complexes, were converted to membranes for potential use in direct methanol fuel cells (DMFC). The membranes were characterised by FTIR, X-ray diffraction, DSC, TGA, tensile testing, ion exchange capacity, wat ......... | |
| (The original document is in English and was published in 2005). | |
| 949868 | CONTROL OF WATER UPTAKE OF POLYPHOSPHAZENE BASED FUEL CELL MEMBRANES BY SILICATE INTERPENETRATING NETWORKS. |
| Details are given of the control of water uptake of polyphosphazene polyelectrolyte membranes for fuel cell applications. Swelling and a reduction in mechanical stability were overcome by gamma radiation induced crosslinking. An alternative method for controlling the water uptake was by the incorpor ......... | |
| (The original document is in English and was published in 2004). | |
| 949789 | CONDUCTIVE ADHESIVE SEALANT FOR BIPOLAR FUEL CELL SEPARATOR PLATE ASSEMBLIES. |
| The conductive adhesive sealant comprises a vinyl ester resin or polyester resin, graphite powder, peroxide free-radical initiator, milled carbon fibre and a quinone-based inhibitor, such as para benzoquinone. ......... | |
| (The original document is in English and was published in ). | |
| 949145 | POLY(AYLENE ETHER) IONOMERS CONTAINING SULFOFLUORENYL GROUPS FOR FUEL CELL APPLICATIONS. |
| Synthesis of a series of polyarylene ether ionomers, suitable for potential use in fuel cell applications, by regioselective substitution of polyethers with sulphonic acid groups is described. Membranes were cast from solution. Characterisation was carried out using nuclear magnetic resonance spectr ......... | |
| (The original document is in English and was published in 2005). | |
| 948975 | WATER-SOLUBLE FRECHET-TYPE DENDRIMER-LINEAR PTFE COPOLYMER FOR POLYMER ELECTROLYTE MEMBRANE FUEL CELL : MOLECULAR DYNAMICS APPROACH. |
| It is proposed that the favourable properties of perfluorosulphonic acid-based polymer electrolyte fuel cell membranes are a consequence of the nanophase separation of the hydrophobic perfluorinated backbone and the hydrophilic sulphonic phase. A copolymer consisting of a water-soluble polyaryl ethe ......... | |
| (The original document is in English and was published in 2004). | |
| 948696 | POLYMER FUEL CELLS FIND A HOME IN FIRST UK PROJECT. |
| European Fuel Cell has developed a polymer electrolyte membrane unit which generates 1.5kW of electricity and 2.9kW of heat. Providing 15kW of output for peak heat demand, it is suitable for a one-family house, just requiring an extraction system. The cell uses bipolar plates that are compression mo ......... | |
| (The original document is in English and was published in 2005). | |
| 948257 | PLATINUM/CARBON NANOFIBER ELECTRODES FOR POLYMER ELECTROLYTE MEMBRANE (PEM) FUEL CELLS . |
| Platinum nanoparticles were deposited on the surface of oxidised carbon nanofibres by means of the colloidal method and the resulting catalyst supports characterised by TEM, X-ray diffraction and X-ray photoelectron spectroscopy. Well-dispersed electrocatalyst particles were obtained for fabrication ......... | |
| (The original document is in English and was published in 2004). | |
| 947705 | ASAHI GLASS INTENT ON COMMERCIALIZING CORE COMPONENT OF FUEL CELLS . |
| It is briefly reported that Asahi Glass will accelerate efforts toward commercialising production of membrane-electrode assemblies (MEAs), the core components of polymer electrolyte fuel cells. To test-manufacture the component, the company is scheduled to build, by summer 2006, a semi-commercial fa ......... | |
| (The original document is in English and was published in 2005). | |
| 947678 | PREPARATION OF ION EXCHANGE MEMBRANES FOR FUEL CELL BASED ON CROSSLINKED POLY(VINYL ALCOHOL) WITH POLY(ACRYLIC ACID-CO-MALEIC ACID). |
| Crosslinked polyvinyl alcohol (PVA) membranes are prepared at various crosslinking temperatures using poly(acrylic acid-co-maleic acid) (PAM) with differing PAM content. The proton conductivity and methanol permeability are investigated for PVA/PAM membranes with 3-13 wt% in the temperature range 25 ......... | |
| (The original document is in English and was published in 2005). | |
|
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