Nickel-cadmium battery (NiCd battery) is a type of rechargeable (secondary) battery using nickel oxide hydroxide and metallic cadmium as electrodes.
(a) Write the anode and cathode reactions and the overall reaction during discharging.
(b) Write the anode and cathode reactions and the overall reaction during charging.
(c) During discharging, where does an oxidation reaction take place?
(d) During charging, where does a reduction reaction take place?
(e) During discharging, calculate the change in the "free energy".
Electron flow
DC
Load
Power supply
Electron flow
Flow of anions
Flow of anions
Anode Cathode Flow of cations
Cathode Anode Flow of cations
Electrolyte
Electrolyte