[특허]Fuel cell membrane electrode and seal assembly

[미국특허] Fuel cell membrane electrode and seal assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-008/04 H01M-008/10
출원번호	US-0766745 (1991-09-27)
발명자 / 주소	Chow Clarence Y. (Vancouver CAX) Watkins David S. (Coquitlam CAX) Washington Kirk B. (Richmond CAX) Ramji Shiraz (North Vancouver CAX)
출원인 / 주소	Ballard Power Systems Inc. (CAX 03)
인용정보	피인용 횟수 : 48 인용 특허 : 0

초록 ▼

A membrane electrode and seal assembly for an electrochemical fuel cell comprises first and second layers of porous electrically conductive sheet material, such as carbon fiber paper. The sheet material layers have a solid polymer ion exchange membrane interposed therebetween. The sheet material layers cover and support the membrane over substantially its entire surface area. The sheet material layers are coated with a catalyst to render them electrochemically active, and are bonded together with the membrane to form a consolidated assembly. Openings are formed in the layers of sheet material and the membrane to accommodate the passage of fluids through the assembly. Channels formed in the layers of sheet material generally circumscribe the openings and the electrochemically active region of the sheet material. Solid preformed gaskets are disposed in the channels. The gasketing technique can also be applied to the membrane and seal assemblies of the humidification portion of fuel cell stacks.

대표청구항 ▼

A membrane electrode and seal assembly for an electrochemical fuel cell comprising: first and second layers of porous electrically conductive sheet material, each having a central portion; a membrane interposed between said first and second layers of sheet material; and first and second preformed gaskets; wherein said layers of sheet material cover and support substantially the entire surface of said membrane; said layers of sheet material and said membrane have openings formed therein to accommodate the passage of fluids through said assembly; each of said layers of sheet material having channels formed therein, said channels circumscribing said openings and said central portion; said first and second preformed gaskets being disposed in said channels.

이 특허를 인용한 특허 (48) 인용/피인용 타임라인 분석

Brush, Ronald W.; Basta, John C.; del Rosario, Crisanto F., Composite multilayer seal for PEM fuel cell applications and method for constructing the same.
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Brush, Ronald W.; Basta, John Carmelo; del Rosario, Crisanto F., Composite multilayer seal for PEM fuel cell applications and method for constructing the same.
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Wilkinson David P.,CAX ; Stumper Juergen,CAX ; Campbell Stephen A.,CAX ; Davis Michael T.,CAX ; Lamont Gordon J.,CAX, Electrochemical cell with fluid distribution layer having integral sealing capability.
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Orsbon,Wyatt B.; Hodge,Rex A.; Becker,Rolf R., Electrochemical fuel cell comprised of a series of conductive compression gaskets and method of manufacture.
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Gashi, Rexhep; Shapiro, Daniel; Varkaraki, Elli, Electrochemical stack device.
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Wozniczka, Boguslaw; DeVaal, Jake; Tabatabaian, Mehrzad, Encapsulating seals for electrochemical cell stacks and methods of sealing electrochemical cell stacks.
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Tanaka,Hiroyuki; Nishiyama,Tadashi; Nakagawa,Takaki, Fuel cell.
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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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Nelson Milton H., Fuel cell channeled distribution of hydration water.
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Wilkinson, David P.; Stumper, Juergen; Campbell, Stephen A.; Davis, Michael T.; Lamont, Gordon, Fuel cell fluid distribution layer having integral sealing capability.
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Uchida Makoto,JPX ; Fukuoka Yuko,JPX ; Sugawara Yasushi,JPX ; Ohara Hideo,JPX ; Eda Nobuo,JPX, Fuel cell having a gasket with an adhesive layer.
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Yamano, Naoki; Ikeda, Yuta, Fuel cell stack.
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Han, Kook Il, Fuel cell stack with improved corrosion resistance.
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David P. Wilkinson CA; Stephen A. Campbell CA; Juergen Stumper CA, Fuel cell with fluid distribution layer having intergral sealing capability.
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Saito,Kazuo, Fuel cell with solid polymer membrane to be moisturized, fuel cell system, and moisturizing method for fuel cell.
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Wakamatsu Shigeo,JPX, Gasket for fuel cell.
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Montminy,Emile O.; Liang,Li Shiang, Injection bonded articles and methods.
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Elias Hartmut,DEX, Integrated seal for a PEM fuel cell.
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Cao,Shuguang; Xu,Helen; Jeanes,Thomas; Nam,Kie Hyun; Chen,Jian Ping, Ion conductive block copolymers.
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Connors, Jr., John F., Laminated cassette device and methods for making same.
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Kobayashi, Susumu; Seki, Yasuhiro, MEA-gasket assembly and polymer electrolyte fuel cell using same.
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Scortichini Carey L. ; Mussell Robert D. ; Babinec Susan J., Macroporous flow field assembly.
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James, Ronald L.; Valentine, Seth D.; Liestra, James, Manufacture of membrane electrode assembly with edge protection for PEM fuel cells.
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Russell H. Barton CA; Peter R. Gibb CA; Joel A. Ronne CA; Henry H. Voss CA, Membrane electrode assembly for an electrochemical fuel cell.
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Shanna D. Knights CA; David P. Wilkinson CA; Ruediger Nebelsiek DE; Jurgen Stumper CA, Method and apparatus for detecting a leak within a fuel cell.
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David P. Wilkinson CA; Stephen A. Campbell CA, Method and apparatus for detecting transfer leaks in fuel cells.
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Wang, Zhaoyu; Lutz, Stephan; Inglehart, Karl D., Method and apparatus for locating internal transfer leaks within fuel cell stacks.
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Cotton, Bill; Towe, Glenn; Yagar, Mathew J.; Erbiceanu, Eduard, Method of manufacturing a spacer of an electrically driven water purification apparatus.
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Mizuno, Seiji, Method of manufacturing fuel cells and fuel cells manufactured by the method.
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Sobolewski, Zbigniew S., Micro-stud diffusion substrate for use in fuel cells.
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Cummins,Dale T.; Alsip,David C.; Darke,Joe B.; Kummerow,Jack A. C., Molded fuel cell plates with seals.
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Kummerow, Jack A. C.; Darke, Joe B.; Alsip, David C., Molded fuel cell plates with seals.
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Hatoh, Kazuhito; Yasumoto, Eiichi; Nishida, Kazufumi; Gyoten, Hisaaki; Kanbara, Teruhisa; Ohara, Hideo; Uchida, Makoto; Sugawara, Yasushi; Matsumoto, Toshihiro, Polymer electrolyte fuel cell stack.
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Narang,Subhash; Ventura,Susanna C.; Olmeijer,David L., Polymer electrolyte having acidic, basic and elastomeric subunits.
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Ottmar Schmid DE; Johann Einhart DE, Polymer electrolyte membrane electrochemical fuel cells and stacks with adhesively bonded layers.
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Schmid Ottmar,DEX ; Einhart Johann,DEX, Polymer electrolyte membrane fuel cells and stacks with adhesively bonded layers.
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Highgate, Donald James; Lloyd, Jonathan Anthony; Bourne, Simon; Smith, Rachel Louise, Production of membrane electrode assemblies and stacks thereof.
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Ron H. Farkash ; Charles M. Carlstrom ; Robert A. Hoyt ; Dean P. Skrzycke, Profiled fuel cell flow plate gasket.
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Towe Ian Glenn,CAX ; Yagar Matthew J.,CAX ; Erbiceanu Eduard,CAX ; Jinnah Tazim,CAX ; Smith Neil,CAX ; Moffett Thomas,CAX, Sealing means for electrically driven water purification units.
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Kirby, Christopher T., Sealing membrane electrode assemblies for electrochemical fuel cells.
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James H. Kralick, Sealing method and apparatus for a fuel cell stack.
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Matlock Richard R. ; Buesing Donald G., Sealing system for fuel cells.
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Herman Schilling DE; Eberhard Bock DE; Gunter Hofmann DE, Sealing system for large-surface thin parts.
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Wynne Robert Kenneth ; Neutzler Jay Kevin ; Barbir Frano ; Gurau Vladimir ; Pierce ; III Walter Edward, Self-humidifying fuel cell.
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Kato, Chisato; Kiyokawa, Yoshio; Akiyama, Shiro, Separator seal structure for a fuel cell.
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Barnett,Christopher James; Gascoyne,John Malcolm; Hards,Graham Alan; Ralph,Thomas Robertson, Substrate.
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Einhart, Johann; Reiff, Stefan; Bindel, Rudolf F.; Ryssel, Hubert; Kirby, Christopher Todd; Diaz, Francisco Enrique Rivera; Medina, Michael, Systems, apparatus and methods for bonding and/or sealing electrochemical cell elements and assemblies.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Fuel cell membrane electrode and seal assembly 원문보기

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[미국특허] Fuel cell membrane electrode and seal assembly 원문보기

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