| cathode → MadeOf → platinum | 0.62 | |
| cathode → MadeOf → nickel | 0.58 | |
| cathode → MadeOf → aluminum | 0.57 | |
| cathode → MadeOf → metal | 0.57 | |
| cathode → MadeOf → inert metal | 0.53 | |
| cathode → MadeOf → titanium | 0.40 | |
| cathode → MadeOf → carbon | 0.36 | |
| cathode → MadeOf → compound | 0.36 | |
| cathode → MadeOf → tungsten | 0.36 | |
| cathode → MadeOf → stainless steel | 0.33 | |
| cathode → MadeOf → a pool of liquid mercury | 0.29 | |
| cathode → MadeOf → manganese dioxide | 0.29 | |
| cathode → MadeOf → sulfur | 0.21 | |
| cathode → MadeOf → a transition metal oxide | 0.16 |