試題詳解

22. The Martian atmosphere contains a large amount of CO₂. A new all-solid-state battery that involves CO₂ in the reaction is expected to power the Mars rover. The battery uses sodium metal as the negative electrode and carbon nanotubes as the positive electrode. Which of the following statements during the discharge of the battery is correct?
(A)Reduction reaction occurs at the negative electrode.
(B)CO₂ is reduced to C and CO at the positive electrode.
(C)Cations move from the positive electrode to the negative electrode.
(D)Electrical energy is converted into chemical energy.
(E)The byproduct is Na₂O₂.