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특허 상세정보

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Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant stream

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01M-008/18    H01M-008/00    H01M-008/04   
미국특허분류(USC) 42/9020 ; 42/901.3 ; 42/901.9 ; 42/902.6
출원번호 US-0108156 (1998-06-30)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    McAndrews, Held & Malloy, Ltd.
인용정보 피인용 횟수 : 102  인용 특허 : 8
초록
▼

Reactant gas supply streams for solid polymer fuel cells may be heated and humidified using heat generated by the fuel cell and water vapor from the fuel cell exhaust. The heat and water vapor in the oxidant exhaust stream are sufficient to heat and humidify a reactant gas supply stream, preferably the oxidant supply stream. The heating and humidifying can be accomplished by flowing a reactant gas supply stream and a fuel cell exhaust gas stream on opposite sides of a water permeable membrane in a combined heat and humidity exchange apparatus. The method...

대표
청구항
▼

[ What is claimed is:] [1.] A method for heating and humidifying a reactant gas supply stream for a solid polymer fuel cell, the reactant gas supply stream being directed to a reactant gas inlet port of the fuel cell, and the fuel cell having a reactant gas exhaust stream directed from a reactant gas exhaust port of the fuel cell, the method consisting essentially of:a) providing a combined heat and humidity exchanger comprising a supply stream chamber, an exhaust stream chamber, and a water permeable membrane separating the two chambers;b) directing the...

이 특허에 인용된 특허 (8)

  1. Fletcher Nicholas J. (Vancouver CAX) Chow Clarence Y. (Vancouver CAX) Pow Eric G. (Vancouver CAX) Wozniczka Boguslav M. (Coquitlam CAX) Voss Henry H. (West Vancouver CAX) Hornburg Gerald (Elchingen D. Electrochemical fuel cell stack with concurrently flowing coolant and oxidant streams. USP1996085547776.
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  7. Fleck Wolfram (Erbach DEX). Process and apparatus for humidifying process gas for operating fuel cell systems. USP1995075432020.
  8. Seymour Clive M. (Swarthmoor ; Nr. Ulverston GBX) Dams Robert A. J. (Arundel GBX) Palmer Ian (Barrow-in-Furness GBX) Moore Stephen C. (Denmead GBX). Processing of fuel gases, in particular for fuel cells and apparatus therefor. USP1995075436086.

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