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    • 26. 发明授权
    • Fuel cell system and stack used therein
    • 其中使用的燃料电池系统和堆叠
    • US07691516B2
    • 2010-04-06
    • US11066658
    • 2005-02-25
    • Dong-Hun LeeHo-Jin KweonHyoung-Juhn KimSeong-Jin AnJun-Won SuhJong-Man KimHae-Kwon YoonSung-Yong ChoYeong-Chan Eun
    • Dong-Hun LeeHo-Jin KweonHyoung-Juhn KimSeong-Jin AnJun-Won SuhJong-Man KimHae-Kwon YoonSung-Yong ChoYeong-Chan Eun
    • H01M2/00
    • H01M8/026H01M8/0263
    • A fuel cell system optimizing the ratio of width of a channel to a width of a rib forming a passage for supplying fuel and air, the ratio of width thereof to a height of a channel, and the number of passages, thereby improving the fuel diffusing performance and reducing a pressure drop therein is provided. The fuel cell system includes at least one stack for generating electrical energy by an electrochemical reaction between hydrogen and oxygen, a fuel supply portion for supplying fuel to the stack, and an oxygen supply portion for supplying oxygen to the stack. The stack is formed into a stacked configuration having a plurality of membrane electrode assemblies separated by separators. The separators have ribs which closely contact the adjacent membrane electrode assemblies and form channels through which the oxygen and hydrogen flow. The ratio of the width of a channel to the height of the same is between about 0.6 and about 0.8.
    • 一种燃料电池系统优化通道的宽度与形成用于供应燃料和空气的通道的肋的宽度的比率,其宽度与通道的高度的比率以及通道的数量,从而改善燃料扩散 提供了性能并降低其中的压降。 燃料电池系统包括用于通过氢和氧之间的电化学反应产生电能的至少一个堆叠,用于向堆叠供应燃料的燃料供应部分和用于向堆供给氧的氧气供应部分。 堆叠形成为具有由分离器隔开的多个膜电极组件的堆叠构造。 分离器具有与相邻膜电极组件紧密接触并形成通道的肋,氧气和氢气通过该通道流动。 通道的宽度与其高度的比率在约0.6和约0.8之间。