一种新型燃料电池，一极通入空气，另一极通入丁烷气体；电解质是掺杂氧化钇(Y2O3)的氧化锆(ZrO2)晶体，在熔融状态下能传导O2－。下列对该燃料电池的说法中正确的是
| A．在熔融电解质中O2－由负极移向正极 |
B．电池的总反应是2C4H10＋13O2 8CO2＋10H2O |
| C．通入空气的一极是正极，电极反应为:O2＋4e－＋2H2O4OH－ |
| D．通入丁烷的一极是正极，电极反应为:C4H10-26e－＋13O2－4CO2＋5H2O |
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