以葡萄糖为燃料的微生物燃料电池结构示意图如图所示。关于该电池

以葡萄糖为燃料的微生物燃料电池结构示意图如图所示。关于该电池的叙述正确的是:

A.该电池工作时电能转化为化学能

B.该电池中电极a是负极

C.外电路中电子由电极a通过导线流向电极b

D.该电池的总反应:C6H12O6 +6O2 →6CO26H2O

答案

D

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