Table 1 Comparison of OER activity for different catalysts.
Catalyst | Onset overpotential (V vs RHE) | η @ j =10 mA cm−2 (V) | Tafel slope (mV dec−1) | e g filling | Ref. |
|---|---|---|---|---|---|
LCO-bulk | 0.37 | 0.62 | 102 | e g ∼1.0 | This work |
LCO-80 nm | 0.33 | 0.49 | 69 | e g ∼1.2 | This work |
Ba0.5Sr0.5Co0.8Fe0.2O3−δ | — | 0.49 | 84 | e g ∼1.2 | (ref. 21) |
Ba0.5Sr0.5Co0.8Fe0.2O3−δ | 0.30 | 0.50 | 94 | e g ∼1.2 | (ref. 23) |
SrCo0.9Ti0.1O3−δ | — | 0.51 | 88 | e g ∼1.16 | (ref. 21) |
SrNb0.1Co0.7Fe0.2O3−δ | 0.30 | 0.50 | 76 | e g ∼1.2 | (ref. 23) |
