Table A1
Values used for the Critical index computation.
| Ru | Sn | Ti | |
|---|---|---|---|
| Atomic mass (g/mol) | 101 | 118 | 48 |
| Element relative weight in the oxide form (−) | 0.76 | 0.79 | 0.60 |
| Supply risk (SR) | 3.4 | 0.8 | 0.30 |
| Economic importance (EI) | 3.5 | 4.4 | 4.30 |
| Electrode composition (%) | 35 | 39 | 26 |
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