1
Fuel cell operation reduces number of components and cost AppEirnnt: Siemens, Germany Patent number: US 6203935 Lightweight metal bipolar plates and inexpensive mass production Applicant: Lynntech, USA Patent number: US 6203336 Apparatus for producing hydrogen gas, and use in fuel cell system Applicant: Da&in btdustries, Japan Patent number: WC) 0 I I1 9727 Production of mesoporous metal oxide compositions for SOFCs Applicant: Mobil Oil, USA Patent number: WO 01119752 Ion-conductive polymer membrane and production Apphznt: DaimlerChrysler, Germany Patent nuvdwr: WO 01120700 Fine enthalpy exchange barrier to directly heat and humidify oxidant stream Applicant: IFC, USA Patent numbrr: WO ‘01/20701 Novel arrangement for improved interaction between subsystems Applicant: Ballard Generation Systems, Canada Patent nztmber: WO 01120702 SOFC interconnect with filled via in separator plate Applicant: SOFCo, USA Patent number: WO 01120704 Ternary H, storage alloy with enhanced stability App~~c~n~:~en~ of Industrial Science 81 Technology, Japan Patent number: US 6207104 Hybrid partial oxidation reforming of hydrocarbons Applirant: Arthur D. Little, USA (Nuveraf Patent vzumbrr: US 6207 122 Compact, lower- temperature steam reforming for high-purity hydrogen Applicavzt: Chinese Petroleum Corporation, Taiwan &tent tnrmber: US 6207132 Water self-sufficiency and oxidant humidification in PEM and PAFC systems Appkznt: IFC, USA Puient wt~&-r: LJS 6207306 CO removal from reformate gas by improved selective catalytic methanation Applicavvt: Johnson Matthey, UK &rent nu~&r: US 6207307 Water treatment to remove dissolved gases within circulated stack coolant Appticr?nr: IFC, USA Putcrit number: 17s 6207308 Environmental compensation avoids structural damage under harsh conditions Applicant: IFC, USA P’tcnt ~~r~i&-r: US 6207309 Metal screen flow-field for simpler reactant and cooling flow distribution Applicant: University of California, USA (Los Alamos National Lab) I%ztent mm&err US 62073 10 SOFCs with zirconia-based interfacial material for low-temperature operation Applicant: Siemens Westinghouse Power Corporation, USA Pntmt number: LJS 6207311 Self-humidifying fuel cell to maintain membrane hydration with dry reactant stream Applicant: Energy Partners, USA P&vz~ number: US 62073 12 Magnetic composites for improved transport and separation of chemical species Applicant: University of Iowa, USA &tent number: US 6207313 Fuel cell anode with improved current flow by conducting metal catalyst support A~+~liciln~: Siemens, Germany Patent number: WO 01122508 Bonded electrode~film for excellent PEMFC durability and long-term performance Applicant: Asabi Glass, Japan Putrntnumber: WO Oll22510 Operation of fuel cell facility at 80-300°C for optimum effectiveness Applicant: Siemens, Germany Putent aumber: WO Oll22512 PEMFC with stable long- term output prevents corrosion of metal separator plate Applicant: Matsushita Electric Industrial, Japan I%itent number: WO 011225 13 PEM fuel cell produced by application of catalyst- layer-forming inks in order Applicarzt: Matsushita Electric Industrial, Japan Patent vzumbcr: WO 01122514 Electrical cold-starting of a stack for quick heating without corrosion Appiicnnt: Siemens, Germany Patent vzumber: WO 01122515 PEM or DMFC with internal reforming layer for efficient thermal management Applicant: Siemens, Germany Patent vzumbw: WO 01 J22516 Restoring operation of deteriorated PEM fuel cell Applirunt; Matsushita Electric Industrial, Japan I%rt~nt number: WO 01122517 Improved flexible, continuously electrically conductive PTFE article Applicant: W.L. Gore, USA Parent number: US 6210789 Preventing CO poisoning of anode catalysts by varying 0, concentration in fuel Appficozt: Ballard, Canada z?kvzt number: US 6210820 ulletin Next month News Business activities Technical developments Industry trends In Brief Breaking news Related industries Features Technical articles on projects and developments around the world Research Trends The latest research results published in the key journals Patents Recently published US and WO patents 63 Fuel Cells Bulletin No. 35

Restoring operation of deteriorated PEM fuel cell

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Page 1: 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

ulletinN e x t m o n t h

NewsBusiness activities

Technical developments

Industry trends

In BriefBreaking news

Related industries

FeaturesTechnical articles on

projects and developments

around the world

Research TrendsThe latest research

results published in

the key journals

PatentsRecently published

US and WO patents

63 Fuel Cells Bulletin No. 35