[특허]Fuel cell membrane humidification

[미국특허] Fuel cell membrane humidification 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-002/00
출원번호	US-0810119 (1997-02-24)
발명자 / 주소	Wilson Mahlon S.
출원인 / 주소	Regents of the University of California
대리인 / 주소	Wilson
인용정보	피인용 횟수 : 42 인용 특허 : 7

초록 ▼

A polymer electrolyte membrane fuel cell assembly has an anode side and a cathode side separated by the membrane and generating electrical current by electrochemical reactions between a fuel gas and an oxidant. The anode side comprises a hydrophobic gas diffusion backing contacting one side of the membrane and having hydrophilic areas therein for providing liquid water directly to the one side of the membrane through the hydrophilic areas of the gas diffusion backing. In a preferred embodiment, the hydrophilic areas of the gas diffusion backing are formed by sewing a hydrophilic thread through the backing. Liquid water is distributed over the gas diffusion backing in distribution channels that are separate from the fuel distribution channels.

대표청구항 ▼

[ What is claimed is:] [1.] A polymer electrolyte membrane fuel cell assembly having an anode side and a cathode side separated by said membrane and generating electrical current by electrochemical reactions between a fuel gas and an oxidant, wherein said anode side comprises:a distribution plate supplying said fuel gas and liquid water;a hydrophobic gas diffusion backing with one side contacting said distribution plate and another side contacting said membrane; anda hydrophilic wick passing through said hydrophobic gas diffusion backing wherein said liquid water is wicked from said distribution plate to said membrane.

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Raistrick Ian D. (Los Alamos NM), Electrode assembly for use in a solid polymer electrolyte fuel cell.
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Wilson Mahlon S. (Los Alamos NM), Fuel cell with interdigitated porous flow-field.
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Furuya Nagakazu (No. 2-14 ; Nakamuramachi Kofu-shi ; Yamanashi JPX), Gas diffusion electrode.
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Molter Trent M. (Enfield CT) LaConti Anthony B. (Lynnfield MA), Hydrogen/halogen fuel cell with improved water management system.
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Wilson Mahlon S. (Los Alamos NM), Membrane catalyst layer for fuel cells.
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Wilson Mahlon S. (Los Alamos NM), Membrane catalyst layer for fuel cells.
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Koseki Kazuo (Kawasaki JPX), Solid polymer electrolyte fuel cell system with ribbed configuration.
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이 특허를 인용한 특허 (42) 인용/피인용 타임라인 분석

Yang, Jefferson YS, Anode stream recirculation system for a fuel cell.
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Edlund, David J., Bipolar plate assembly, fuel cell stacks and fuel cell systems incorporating the same.
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Edlund,David J., Bipolar plate assembly, fuel cell stacks and fuel cell systems incorporating the same.
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Yang, Jefferson YS, Bipolar plate for a fuel cell.
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Yan,Yi Yie; Chen,Fa Lin; Chu,Hsin Sen; Shyu,Ruey Jong; Tsau,Fang Hei, Bipolar plate gas moisturizing apparatus for the fuel cell.
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Nelson, Milton H., Cooling a fuel cell stack.
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Zhang, Chaojiong, Dew point humidifier (DPH) and related gas temperature control.
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Mathias,Mark F.; Roth,Joerg; Sompalli,Bhaskar; Schoeneweiss,Michael; Wood,David, Diffusion media, fuel cells, and fuel cell powered systems.
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Neutzler, Jay; Bostaph, Joseph W.; Fisher, Allison M., Direct methanol fuel cell including a water management system and method of fabrication.
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Peled,Emanuel; Duvdevani,Tair; Melman,Avi; Aharon,Adi, Direct oxidation fuel cell with a divided fuel tank having a movable barrier pressurized by anode effluent gas.
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Wheat, William S.; Clingerman, Bruce J.; Hortop, Matt K., Electronic by-pass control of gas around the humidifier to the fuel cell stack.
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Wheat, William S.; Kilmer, Derek S.; Clingerman, Bruce J.; Hortop, Matthew K., Electronic by-pass of fuel cell cathode gas to combustor.
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Lawrence,Craig; Salamini,Alexey; MacGregor,Bruce; Bliven,David, Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device.
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Lawrence,Craig; Salamini,Alexey; MacGregor,Bruce; Bliven,David, Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device.
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Benson, Paul Alan, Fuel cell gas distribution.
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Peled, Emanuel; Duvdevani, Tair; Melman, Avi; Aharon, Adi, Fuel cell having fuel tank directly attached to anode allowing pump-free fuel delivery.
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Wilson, James D.; Kaufman, Arthur, Fuel cell reactant and cooling flow fields integrated into a single separator plate.
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Santiago, Juan; Posner, Jonathan; Prinz, Friedrich B.; Fabian, Tibor; Eaton, John; Cha, Suk-Won; Buie, Cullen; Kim, Daejoogn; Tsuru, Hideaki; Sasahara, Jun; Kubota, Tadahiro; Saito, Yuji, Fuel cell with electroosmotic pump.
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Emanuel Peled IL; Tair Duvdevani IL; Avi Melman IL; Adi Aharon IL, Fuel cell with proton conducting membrane.
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Emanuel Peled IL; Tair Duvdevani IL; Avi Melman IL; Adi Aharon IL, Fuel cell with proton conducting membrane with a pore size less than 30 nm.
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Ohlsen, Leroy J.; Cooke, Aaron M.; Mallari, Jonathan C.; Chan, Chung M.; Rice, Gordon L.; Nelson, Craig E., Fuel cells having silicon substrates and/or sol-gel derived support structures.
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Arthur Koschany DE; Christian Lucas DE; Thomas Schwesinger DE, Gas diffusion electrode with reduced diffusing capacity for water and polymer electrolyte membrane fuel cells.
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Craig C. Andrews ; Mark J. Flusche ; Donald P. Lyons, Gas humidification device for operation testing and evaluation of fuel cells.
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Andrews, Craig; Flusche, Mark J.; Lyons, Donald P., Gas humidification device for operation, testing, and evaluation of fuel cells.
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Formanski,Volker; Herbig,Thomas, Gas humidification for cathode supply of a PEM fuel cell.
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Darling, Robert M., Hydrophilic layer for use in a fuel cell.
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Wexel,Dirk; Wnendt,Bernhard, Integrated air cooler, filter, and humidification unit for a fuel cell stack.
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Cao,Shuguang; Xu,Helen; Jeanes,Thomas; Nam,Kie Hyun; Chen,Jian Ping, Ion conductive block copolymers.
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Cao,Shuguang; Chen,Jian Ping; Jeanes,Thomas; Nam,Kie Hyun; Olmeijer,David; Xu,Helen, Ion conductive random copolymers.
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Izenson,Michael G.; Crowley,Christopher J.; Affleck,Wayde H., Lightweight direct methanol fuel cell.
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Shiepe,Jason K.; Molter,Trent M.; Moulthrop, Jr.,Lawrence C., Method and apparatus for improved fluid flow within an electrochemical cell.
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Benson, Paul Alan, Multi-layer fuel cell diffuser.
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Chlistunoff,Jerzy B.; Lipp,Ludwig; Gottesfeld,Shimshon, Oxygen-consuming chlor alkali cell configured to minimize peroxide formation.
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Narang,Subhash; Ventura,Susanna C.; Olmeijer,David L., Polymer electrolyte having acidic, basic and elastomeric subunits.
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Fuglevand William A. ; Bayyuk Shiblihanna I. ; Lloyd Greg Alden ; DeVries Peter David ; Lott David R. ; Scartozzi John P. ; Somers Gregory M. ; Stokes Ronald G., Proton exchange membrane fuel cell power system.
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Nelson, Patricia J.; Forte, Jameson R.; Thompson, Eric L., Relative humidity sensor with compensation for changes in pressure and gas composition.
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O'Hara,Jeanette E.; Trabold,Thomas A.; Schoeneweiss,Michael R.; Roth,Joerg, Spatially varying diffusion media and devices incorporating the same.
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Cao,Shuguang; Xu,Helen; Jeanes,Thomas; Nam,Kie Hyun; Chen,Jian Ping; Olmeijer,David, Sulfonated copolymer.
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O'Hara, Jeanette E.; Roth, Joerg; Liu, Han, Untreated diffusion media with mesoporous layer and devices incorporating the same.
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O'Hara, Jeanette E.; Roth, Joerg; Liu, Han, Untreated diffusion media with mesoporous layer and devices incorporating the same.
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Hasegawa, Shinji; Kishi, Kentarou; Shimotani, Kei; Miyahara, Tomoko; Morikawa, Takashi; Anazawa, Kazunori, Water-activated cell and method of power generation.
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Kaiser, Mark; Rehg, Timothy J., Wicking strands for a polymer electrolyte membrane.
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Fuel cell membrane humidification 원문보기