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    • 1. 发明公开
    • 연료 전지 시스템
    • 燃油电池系统
    • KR1020080072075A
    • 2008-08-05
    • KR1020087015537
    • 2006-12-26
    • 닛산 지도우샤 가부시키가이샤
    • 시모이료오이찌이이모리다까시고또오겐이찌가미하라데쯔야
    • H01M8/04
    • H01M8/2457H01M8/04089H01M8/04097H01M8/04104H01M8/04201H01M8/04223H01M8/04238H01M8/04388H01M8/04395H01M8/04402H01M8/04462H01M8/04559H01M8/04567H01M8/04597H01M8/04619H01M8/04753H01M8/04761H01M8/0491H01M8/04947H01M8/241H01M8/2475H01M2008/1095H01M2250/20Y02T90/32
    • A fuel cell system can be initiated in shorter time while minimizing the deterioration of a fuel cell. The fuel cell system includes a fuel cell stack (1) having a fuel electrode, an oxidizer electrode and an electrolyte membrane disposed there between, the fuel cell producing electricity by an electrochemical reaction of a fuel gas and an oxidizer gas, which are supplied to the fuel electrode and the oxidizer electrode, respectively; a fuel gas supplying device for supplying the fuel gas to the fuel cell stack (1); an oxidizer gas supplying device for supplying the oxidizer gas to the fuel cell stack (1); a current controlling device (41) for extracting a current from the fuel cell stack (1); and a voltage sensor (30) disposed in at least two of the fuel cell stacks (1). A controller (40) controls the current controlling device (41) such that a minimum voltage, which is obtained from the voltage sensor (30) after a fuel gas is supplied to the fuel electrode without supplying the oxidizer gas to the oxidizer electrode at the time of initiating, becomes zero volts or more. Then, the oxidizer gas is supplied to the oxidizer to start producing electricity.
    • 可以在更短的时间内启动燃料电池系统,同时使燃料电池的劣化最小化。 燃料电池系统包括具有燃料电极,氧化剂电极和设置在其间的电解质膜的燃料电池组(1),所述燃料电池通过燃料气体和氧化剂气体的电化学反应产生电力,供给至 燃料电极和氧化剂电极; 燃料气体供给装置,其用于将燃料气体供给到燃料电池堆(1); 用于向所述燃料电池堆(1)供应所述氧化剂气体的氧化剂气体供给装置; 用于从燃料电池堆(1)提取电流的电流控制装置(41); 和设置在至少两个燃料电池堆(1)中的电压传感器(30)。 控制器(40)控制电流控制装置(41),使得在向燃料电极供应燃料气体之后从电压传感器(30)获得的最小电压,而不向氧化剂电极供应氧化剂气体 启动时间变为零伏以上。 然后,向氧化剂供给氧化剂气体,开始发电。