氢氧燃料电池的基本构造如图。A、B是多孔石墨制成,通入的气体由

氢氧燃料电池的基本构造如图。A、B是多孔石墨制成,通入的气体由孔隙中逸出,在电极表面得失电子。电解质溶液是KOH溶液。下列关于该电池的说法中错误的是

A.H2发生氧化反应                                                               B.e由B电极流向A电极

C.A电极为负极                                D.每摩O2得到4mole-

 

答案

B

解析:

 

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