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특허 상세정보

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Corrosion resistant PEM fuel cell

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01M-004/86    H01M-002/14   
미국특허분류(USC) 429/041; 429/030; 429/038; 429/044
출원번호 US-0456478 (1999-12-07)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Lawrence B. Plant
인용정보 피인용 횟수 : 93  인용 특허 : 4
초록

A PEM fuel cell having electrical contact elements comprising a corrosion-susceptible substrate metal coated with an electrically conductive, corrosion-resistant polymer containing a plurality of electrically conductive, corrosion-resistant filler particles. The substrate may have an oxidizable metal first layer (e.g., stainless steel) underlying the polymer coating.

대표
청구항
▼

1. In a PEM fuel cell having at least one cell comprising a pair of opposite polarity electrodes, a membrane electrolyte intedacent said electrodes for conducting ions therebetween, and an electrically conductive contact element having a working face confronting at least one of said electrodessfor conducting electrical current from said one electrode, the improvement comprising: said contact element comprising a corrosion-susceptible metal substrate and an electrically conductive, corrosion-resistant protective coating on said face to protect said substr...

이 특허에 인용된 특허 (4)

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  4. Mukohyama Atsushi,JPX ; Takeda Toshihiko,JPX. Polymer electrolyte membrane fuel cell with bipolar plate having molded polymer projections. USP1998085798188.

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