22. The Martian atmosphere contains a large amount of CO2. A new all-solid-statebattery that involves CO2 in the reaction is expected to power the Mars rover. Thebattery uses sodium metal as the negative electrode and carbon nanotubes as thepositive electrode. Which of the following statements during the discharge of thebattery 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.