[특허]Hydrocarbon fueled solid polymer fuel cell electric power generation system

Ballard Power Systems Inc. (North Vancouver CAX 03)

Hydrocarbon fueled solid polymer fuel cell electric power generation system

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-008/06
출원번호	US-0110076 (1993-08-20)
발명자 / 주소	Buswell Richard F. (Glastonbury CT) Clausi Joseph V. (Portland CT) Cohen Ronald (Boca Raton FL) Louie Craig (Vancouver CAX) Watkins David S. (Coquitlam CAX)
출원인 / 주소	Ballard Power Systems Inc. (North Vancouver CAX 03)
인용정보	피인용 횟수 : 157 인용 특허 : 0

초록 ▼

A power plant system produces utility grade electrical AC power from gaseous or liquid hydrocarbon fuels using a fuel cell stack employing ion exchange membranes. The fuel is desulfurized, mixed with water, heated and vaporized before being introduced into a reformer. The reformer produces a hydrogen-rich gas which is then directed through a series of heat exchangers, shift converters and a selective oxidizer. The processed fuel stream is combined in the fuel cell stack with a pressurized oxidant stream to generate DC power. Oxidant pressure is supplied by compressors driven by turbines using heated system exhaust gases. The DC power is converted into utility grade AC power using an inverter augmented by a battery peaking unit for rapid load following. The water generated in the fuel cell stack is recycled and used to cool the fuel cell stack and to humidify the fuel stream and oxidant stream prior to their introduction to the fuel cell stack. System integration results in an electrical efficiency of at least about 40%, and with heat recovery the overall fuel efficiency is greater than approximately 80%.

대표청구항 ▼

An integrated fuel cell electric power generation system comprising: a fuel processing subsystem for catalytically converting an inlet fuel stream comprising hydrocarbons to a processed fuel stream comprising hydrogen, said fuel processing subsystem comprising an evaporator for vaporizing water to humidify said inlet fuel stream, and a reformer comprising a reformer burner fed by at least one reactant exhaust stream, said reformer producing said processed fuel stream and said reformer burner producing a burner exhaust stream; an electric power generation subsystem comprising at least one fuel cell and at least one reactant exhaust stream, said at least one fuel cell comprising a cathode, an anode, and an ion exchange membrane disposed therebetween, said anode having a catalyst associated therewith for producing cations from said processed fuel stream, said cathode having a catalyst associated therewith for promoting the reaction of oxygen from a pressurized oxidant stream to form electricity, water and heat, said at least one reactant exhaust stream comprising unreacted hydrogen or unreacted oxygen or both; an air pressurization subsystem comprising a compressor operably connected to a turbine, said turbine being powered by a heated gas stream, said compressor pressurizing an oxidant stream for feeding said electric power generation subsystem; and a water recovery subsystem for recycling the water produced in said fuel cell stack, said water recovery subsystem comprising means for producing a separated water stream by removing water from said reactant exhaust stream, means for supplying a first portion of said separated water stream to said evaporator in said fuel processing subsystem, and means for supplying a second portion of said separated water stream to humidify said pressurized oxidant stream.

이 특허를 인용한 특허 (157)

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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

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Hydrocarbon fueled solid polymer fuel cell electric power generation system

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연합인증

Hydrocarbon fueled solid polymer fuel cell electric power generation system

초록 ▼

대표청구항 ▼

연구과제 타임라인

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IPC 상위 출원인

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