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    • 2. 发明专利
    • Fuel cell positive electrode and fuel cell including the same
    • 燃料电池正极和燃料电池,包括它们
    • JP2013093146A
    • 2013-05-16
    • JP2011233497
    • 2011-10-25
    • Univ Of Tokyo国立大学法人 東京大学
    • TSUTSUMI ATSUSHICHOI BOKKYU
    • H01M4/90H01M8/04H01M8/10H01M12/08
    • Y02E60/128
    • PROBLEM TO BE SOLVED: To solve such problems that a fuel cell has high energy density but low output density, while a secondary battery has high output density but low energy density and also limited electric capacity, one of the reason for the problems being increased thickness of an electrode.SOLUTION: A fuel cell includes: a positive electrode obtained by electrolytic deposition of manganese dioxide on carbon fibers; and a negative electrode including a hydrogen absorbing alloy. The fuel cell is provided with a hydrogen storage chamber and an oxygen storage chamber which directly and independently storage hydrogen gas produced at the negative electrode and oxygen gas produced at the positive electrode, respectively, and thereby there are provided a positive electrode for a fuel cell which is excellent in energy utilization efficiency, energy density and load followability while using a relatively small electrode, and a fuel cell including the positive electrode.
    • 要解决的问题为了解决燃料电池具有高能量密度但输出密度低的问题,二次电池具有高输出密度但能量密度低并且电容量有限的问题之一是问题之一 增加电极的厚度。 解决方案:燃料电池包括:通过在碳纤维上电解沉积二氧化锰获得的正极; 以及包含吸氢合金的负极。 燃料电池设置有分别直接且独立地存储在负极处产生的氢气和在正极产生的氧气的储氢室和储氧室,由此设置用于燃料电池的正极 在使用相对小的电极的同时能量利用效率,能量密度和负载追随性优异,以及包括正极的燃料电池。 版权所有(C)2013,JPO&INPIT