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특허 상세정보

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Brazed bipolar plates for PEM fuel cells

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01M-008/04    H01M-008/10   
미국특허분류(USC) 429/026 ; 429/033 ; 429/034 ; 429/210
출원번호 US-0773239 (1996-12-23)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Plant
인용정보 피인용 횟수 : 134  인용 특허 : 5
초록

A liquid-cooled, bipolar plate separating adjacent cells of a PEM fuel cell comprising corrosion-resistant metal sheets brazed together so as to provide a passage between the sheets through which a dielectric coolant flows. The brazement comprises a metal which is substantially insoluble in the coolant.

대표
청구항
▼

[ I claim:] [1.] A liquid-cooled, bipolar plate for separating adjacent first and second cells of a PEM fuel cell and for conducting electric current between said cells, said plate comprising: (1) a first corrosion-resistant metal sheet having an anode-confronting face comprising a plurality of first lands defining a plurality of first grooves for distributing hydrogen to said first cell, and a first heat exchange face; (2) a second corrosion-resistant metal sheet having a cathode-confronting face comprising a plurality of second lands defining a plurali...

이 특허에 인용된 특허 (5)

  1. Lessing Paul A. (Idaho Falls ID). Catalytic bipolar interconnection plate for use in a fuel cell. USP1996035496655.
  2. Shiozawa Shoji (Yokohama JPX) Shimizu Toru (Urawa JPX). Fuel cell and method of ameliorating temperature distribution thereof. USP1990124977041.
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  4. Wilkinson David P. (North Vancouver CAX) Voss Henry H. (North Vancouver CAX) Prater Keith B. (Vancouver CAX). Lightweight fuel cell membrane electrode assembly with integral reactant flow passages. USP1993105252410.
  5. Lund David L. (Minneapolis MN) Kump William H. (West St. Paul MN) Groff Donald W. (Eagan MN). Method of assembling a bipolar lead-acid battery and the resulting bipolar battery. USP1995115470679.

이 특허를 인용한 특허 피인용횟수: 134

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