[특허]Polymer electrolyte hydrogen-oxygen fuel cell where the polymer electrolyte has a water repellency gradient and a cataly

[미국특허] Polymer electrolyte hydrogen-oxygen fuel cell where the polymer electrolyte has a water repellency gradient and a cataly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-004/02 H01M-004/90
출원번호	US-0272618 (1994-07-11)
우선권정보	JP-0050365 (1992-03-09)
발명자 / 주소	Muranaka Yasushi (Katsuta JPX) Imahashi Jinichi (Hitachi JPX) Horiba Tatsuo (Hitachi JPX) Nishimura Shigeoki (Katsuta JPX)
출원인 / 주소	Hitachi, Ltd. (Tokyo JPX 03)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

The polymer electrolyte type hydrogen-oxygen fuel cell of the present invention comprises an oxygen electrode and a hydrogen electrode, a polymer electrolyte membrane provided between the oxygen electrode and hydrogen electrode and electron conductors provided on the side of the electrodes which is opposite to the electrolyte side and the oxygen electrode comprises a catalytically active component, a carrier for the catalytically active component and a binder and has such a gradient in water repellency across the thickness that the water repellency is highest in the area adjacent to the electrolyte and lowest in the area adjacent to the conductor. In this fuel cell, flooding of water at the interface between the oxygen electrode and the electrolyte can be prevented.

대표청구항 ▼

A polymer electrolyte, hydrogen-oxygen fuel cell comprising an oxygen electrode having a thickness and a hydrogen electrode which are a pair of gas-permeable electrodes, a polymer electrolyte membrane provided between said oxygen electrode and said hydrogen electrode and electron conductors provided respectively on an opposite side of said electrodes from the electrolyte membrane side, wherein said oxygen electrode comprises a catalytically active component, a carrier for the catalytically active component, and a binder, said oxygen electrode having such a gradient in water repellency across the thickness of the electrode that the water repellency is highest in the area adjacent to the electrolyte membrane and lowest in the area adjacent to the conductor and having such a gradient in the concentration of the catalytically active component across the thickness of the oxygen electrode that the concentration is highest in the area adjacent to the electrolyte membrane and is lowest in the area adjacent to the respective electron conductor. A secondary cell having the fuel cell according claim 1 as a charging source.

이 특허를 인용한 특허 (37) 인용/피인용 타임라인 분석

Yoshimura,Mikiko; Hori,Yoshihiro; Tsuji,Yoichiro; Yoshida,Akihiko; Yonamine,Takeshi; Uchida,Makoto, Catalyst-coated membrane, membrane-electrode assembly, and polymer electrolyte fuel cell.
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Hockaday, Robert G.; Turner, Patrick S.; DeJohn, Marc D.; Navas, Carlos J.; Vaz, Heathcliff L.; Vazul, L. Luke, Diffusion fuel ampoules for fuel cells.
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Spink, Scott A.; Lott, David R.; Fuglevand, William A., Direct liquid fuel cell.
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Yamamoto, Taizo; Kobayashi, Masafumi; Yamana, Kenji; Kato, Hidemi, Fuel cell and fuel cell device.
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Fuglevand William A. ; DeVries Peter D. ; Lloyd Greg A. ; Lott David R. ; Scartozzi John P., Fuel cell and method for controlling same.
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Fuglevand,William A.; DeVries,Peter D.; Lloyd,Greg A.; Lott,David R.; Scartozzi,John P., Fuel cell and method for controlling same.
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Dale, Nilesh; Nianagar, Ellazar, Fuel cell electrode catalyst having graduated layers.
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Ohashi, Sozaburo, Fuel cell having a hydrogen electrode catalyst layer porosity that is lower than the air electrode catalyst layer porosity.
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Karuppaiah, Chockkalingham; Wu, Yaobang, Fuel cell having a non-electrolytic layer.
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Kanno, Yoshihito; Kume, Hideaki, Fuel cell having stack structure.
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Takahiro Isono JP; Yasuo Miyake JP; Akira Hamada JP; Minoru Kaneko JP; Kunihiro Nakato JP, Fuel cell having water permeability adjustment capability.
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Cavalca Carlos A. ; Arps James H., Fuel cell membrane electrode assemblies with improved power outputs.
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Cavalca Carlos A. ; Arps James H. ; Murthy Mahesh, Fuel cell membrane electrode assemblies with improved power outputs and poison resistance.
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Fuglevand, William A., Fuel cell power system and method of controlling a fuel cell power system.
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Fuglevand,William A., Fuel cell power system and method of controlling a fuel cell power system.
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William A. Fuglevand ; Shiblihanna I. Bayyuk ; Greg Lloyd ; Peter D. Devries ; David R. Lott ; John P. Scartozzi, Fuel cell power systems and methods of controlling a fuel cell power system.
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William A. Fuglevand ; Jonathan Dodge, Fuel cell power systems, direct current voltage converters, fuel cell power generation methods, power conditioning methods and direct current power conditioning methods.
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Wolfe William R. (Pittsburgh PA) Taylor Owen S. (Jeannette PA) Vasilow Theodore R. (Irwin PA) Wolfe Arthur L. (Murrysville PA) Pierre Joseph F. (Valencia PA) Wiss John W. (Pittsburgh PA), Fuel cell powered propulsion system.
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Totsuka, Kazuhide, Gas diffusion electrode, solid polymer electrolyte membrane, process for the production thereof and solid polymer electrolyte fuel cell.
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Hamada, Akira; Nakato, Kunihiro, Gas diffusion layer arrangement for a fuel cell.
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Yamada, Kazuhiro; Miyazaki, Kazuya, Hydrophobic catalyst layer for polymer electrolyte fuel cell and method of producing the same, and polymer electrolyte fuel cell and method of producing the same.
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William A. Fuglevand ; Peter D. DeVries ; Glen Alden Lloyd ; David R. Lott ; John P. Scartozzi, Ion exchange membrane fuel cell.
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J. Michael Ramsey ; Robert S. Foote, Low temperature material bonding technique.
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Khandkar Ashok C. ; Elangovan Singaravelu, Multi-stage fuel cell arrangement.
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Ikushima, Kimiya; Nagamitsu, Sachio; Yokoyama, Kazuo, Polymer actuator.
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Takahashi, Ryoichiro; Iwasawa, Chikara; Ise, Masahiro; Asano, Yoichi; Watanabe, Hideki; Yoshizawa, Atsuhito; Suzuki, Takashi; Kakutani, Osamu, Polymer electrolyte fuel cell.
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Yoshida,Akihiko; Yamamoto,Masao; Niikura,Junji; Takebe,Yasuo; Sakai,Osamu; Uchida,Makoto, Polymer electrolyte fuel cell.
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Sugawara, Yasushi; Gyoten, Hisaaki; Uchida, Makoto; Yasumoto, Eiichi; Kanbara, Teruhisa; Morita, Junji; Hori, Yoshihiro; Yoshida, Akihiko; Wakita, Hidenobu; Kusakabe, Hiroki; Hosaka, Masato; Sakai, O, Polymer electrolyte type fuel cell.
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Rosenmayer, Volker, Polymer-electrolyte membrane fuel cell.
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Spink, Scott A.; Lott, David R.; Wright, Matthew M.; Yemul, Dinesh S.; Fuglevand, William A.; Bayuuk, Shiblihanna I.; Duan, Runrun; Bai, Lijun, Proton exchange membrane fuel cell.
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Fuglevand William A. ; Bayyuk Shiblihanna I. ; Lloyd Greg Alden ; De Vries 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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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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Spink, Scott A.; Lott, David R.; Wright, Matthew M.; Ryan, Eric J.; Yemul, Dinesh S.; Fisher, John M., Proton exchange membrane fuel cell stack and fuel cell stack module.
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Spink, Scott A.; Lott, David R.; Wright, Matthew M.; Ryan, Eric J.; Yemul, Dinesh S.; Fisher, John M., Proton exchange membrane fuel cell stack and fuel cell stack module.
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Miyashita Tomofumi,JPX ; Seike Satoru,JPX ; Imazawa Chieko,JPX ; Suwahara Hisashi,JPX ; Haba Masanori,JPX, Solid-electrolyte fuel cell.
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Mufford W. Edward,CAX ; Strasky Douglas G.,CAX ; Gorbell Brian N.,CAX, Temperature regulating system for a fuel cell powered vehicle.
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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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IPC	Description
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] Polymer electrolyte hydrogen-oxygen fuel cell where the polymer electrolyte has a water repellency gradient and a cataly 원문보기