[특허]Direct methanol oxidation polymer electrolyte membrane power system

Direct methanol oxidation polymer electrolyte membrane power system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-008/10 H01M-008/02 H01M-008/04
출원번호	US-0437267 (1995-05-08)
발명자 / 주소	Van Dine Leslie L. (Manchester CT) Maricle Donald L. (Glastonbury CT)
출원인 / 주소	International Fuel Cells Corp. (South Windsor CT 02)
인용정보	피인용 횟수 : 88 인용 특허 : 0

초록 ▼

A polymer electrolyte membrane fuel cell includes an anode chamber and a cathode chamber which are separated by the electrolyte membrane. The fuel cell directly oxidizes a liquid methanol fuel which is fed into the anode chamber from a liquid methanol storage container. The liquid methanol is mixed with water in the anode chamber, and the mixture passes into and through the electrolyte membrane. Some of the methanol and water pass through the membrane into the cathode chamber and into a process air stream which moves through the cathode chamber. The methanol and water are removed from the cathode chamber by evaporation into the process air stream, which then is directed into a condenser/radiator. The methanol and water vapors are condensed in the condenser/radiator, from whence the condensed water and methanol are returned to the anode chamber of the cell. The evaporating cathode process air stream provides oxygen for the fuel cell reaction, and also cools the cell.

대표청구항 ▼

A fuel cell power plant assembly which is adapted for utilizing liquid methanol as a fuel source, said assembly comprising: a) a solid polymer electrolyte membrane; b) an anode reactant chamber disposed on one side of said electrolyte membrane; c) a cathode reactant chamber disposed on a side of said electrolyte membrane opposite to said anode reactant chamber; d) a water-methanol solution disposed in said anode chamber; e) a cathode catalyst disposed in said cathode reactant chamber, said cathode catalyst being formed from a catalytic composition which does not significantly oxidize methanol that enters said cathode reactant chamber from said anode reactant chamber by diffusion through said electrolyte membrane; f) a source of oxygen disposed in said cathode chamber, wherein said source of oxygen is a stream of air which flows through said cathods reactant chamber and sweeps product water and diffused water and methanol out of said cathode reactant chamber to cool the latter; and g) a condenser for receiving an effluent stream of humidified air from said cathode reactant chamber, said condenser being operable to condense liquid water and liquid methanol from said effluent cathode reactant chamber air stream.

이 특허를 인용한 특허 (88)

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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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연합인증

Direct methanol oxidation polymer electrolyte membrane power system 원문보기

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Direct methanol oxidation polymer electrolyte membrane power system 원문보기

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