RFC是一种将水电解技术与氢氧燃料电池技术相结合的可充电电池。右

RFC是一种将水电解技术与氢氧燃料电池技术相结合的可充电电池。右图为RFC工作原理示意图,下列有关说法正确的是(  

                                     1                  2

A.图1把化学能转化为电能,图2把电能转化为化学能,水得到了循环使用

B.当有0.1 mol电子转移时,a极产生0.56 L O2(标准状况下)

Cc极上发生的电极反应是:O2 + 4H+ + 4e- = 2H2O

D.图2中电子从c极流向d极,提供电能

答案

C

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