Restoring operation of deteriorated PEM fuel cell

Fuel cell operation reducesnumber of componentsand costAppEirnnt: Siemens, Germany

Patent number: US 6203935

Lightweight metal bipolarplates and inexpensivemass productionApplicant: Lynntech, USAPatent number: US 6203336

Apparatus for producinghydrogen gas, and use infuel cell systemApplicant: Da&in btdustries, JapanPatent number: WC) 0 I I1 9727

Production of mesoporousmetal oxide compositionsfor SOFCsApplicant: Mobil Oil, USAPatent number: WO 01119752

Ion-conductive polymermembrane and productionApphznt: DaimlerChrysler,

GermanyPatent nuvdwr: WO 01120700

Fine enthalpy exchangebarrier to directly heatand humidify oxidantstreamApplicant: IFC, USA

Patent numbrr: WO ‘01/20701

Novel arrangement forimproved interactionbetween subsystemsApplicant: Ballard Generation

Systems, CanadaPatent nztmber: WO 01120702

SOFC interconnect withfilled via in separator plateApplicant: SOFCo, USAPatent number: WO 01120704

Ternary H, storage alloywith enhanced stabilityApp~~c~n~:~en~ of Industrial

Science 81 Technology, JapanPatent number: US 6207104

Hybrid partial oxidationreforming of hydrocarbonsApplirant: Arthur D. Little, USA

(NuverafPatent vzumbrr: US 6207 122

Compact, lower-temperature steamreforming for high-purityhydrogenApplicavzt: Chinese Petroleum

Corporation, Taiwan&tent tnrmber: US 6207132

Water self-sufficiency andoxidant humidification inPEM and PAFC systemsAppkznt: IFC, USA

Puient wt~&-r: LJS 6207306

CO removal from reformategas by improved selectivecatalytic methanationApplicavvt: Johnson Matthey, UK&rent nu~&r: US 6207307

Water treatment toremove dissolved gaseswithin circulated stackcoolantAppticr?nr: IFC, USA

Putcrit number: 17s 6207308

Environmentalcompensation avoidsstructural damage underharsh conditionsApplicant: IFC, USAP’tcnt ~~r~i&-r: US 6207309

Metal screen flow-field forsimpler reactant andcooling flow distributionApplicant: University of California,

USA (Los Alamos National Lab)I%ztent mm&err US 62073 10

SOFCs with zirconia-basedinterfacial material forlow-temperatureoperationApplicant: Siemens Westinghouse

Power Corporation, USAPntmt number: LJS 6207311

Self-humidifying fuel cellto maintain membranehydration with dryreactant streamApplicant: Energy Partners, USAP&vz~ number: US 62073 12

Magnetic composites forimproved transport andseparation of chemicalspeciesApplicant: University of Iowa, USA

&tent number: US 6207313

Fuel cell anode withimproved current flow byconducting metal catalystsupportA~+~liciln~: Siemens, GermanyPatent number: WO 01122508

Bonded electrode~film forexcellent PEMFC durabilityand long-termperformanceApplicant: Asabi Glass, JapanPutrntnumber: WO Oll22510

Operation of fuel cellfacility at 80-300°C foroptimum effectivenessApplicant: Siemens, Germany

Putent aumber: WO Oll22512

PEMFC with stable long-term output preventscorrosion of metalseparator plateApplicant: Matsushita Electric

Industrial, JapanI%itent number: WO 011225 13

PEM fuel cell produced byapplication of catalyst-layer-forming inks in orderApplicarzt: Matsushita Electric

Industrial, JapanPatent vzumbcr: WO 01122514

Electrical cold-startingof a stack for quick heatingwithout corrosionAppiicnnt: Siemens, Germany

Patent vzumber: WO 01122515

PEM or DMFC withinternal reforming layerfor efficient thermalmanagementApplicant: Siemens, GermanyPatent vzumbw: WO 01 J22516

Restoring operation ofdeteriorated PEM fuel cellApplirunt; Matsushita Electric

Industrial, Japan

I%rt~nt number: WO 01122517

Improved flexible,continuously electricallyconductive PTFE articleApplicant: W.L. Gore, USA

Parent number: US 6210789

Preventing CO poisoningof anode catalysts byvarying 0, concentrationin fuelAppficozt: Ballard, Canada

z?kvzt number: US 6210820

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63 Fuel Cells Bulletin No. 35