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Gaokao Chemistry Practice Question

火星大气中含有大量 $\mathrm{CO}_{2}$, 一种有 $\mathrm{CO}_{2}$ 参加反应的新型全固态电池有望为火星探测器供 电。该电池以金属钠为负极, 碳纳米管为正极, 放电时

  1. A.负极上发生还原反应
  2. B.$\mathrm{CO}_{2}$ 在正极上得电子
  3. C.阳离子由正极移向负极
  4. D.将电能转化为化学能

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