Table 1 Performance of Ru pyrochlores for the OER in acidic electrolytes

Y₂RuMnO₇ (this work)

12^†

1.49^†

48^†

795 @ 1.55 V^†

45 h @ E_j = 10

Dy₂RuMnO₇ (this work)

6.5^†

1.51^†

47^†

707 @ 1.55 V^†

25 h @ E_j = 10

Tb₂RuMnO₇ (this work)

2.5^†

1.54^†

56^†

335 @ 1.55 V^†

15 h @ E_j = 10

Y₂Ru₂O₇ (this work)

3.1^†

1.52^†

46^†

245 @ 1.55 V^†

Y₂Ru₂O₇²²

[email protected] V^‡*

1.561(5)^‡

40^‡

~500 @ 1.55 V^*

~ 8 h @ 1.56 V

Nd₂Ru₂O₇²²

[email protected] V^‡*

1.576(9)^‡

41^‡

~350 @ 1.55 V^*

~ 4 h @ 1.56 V

Gd₂Ru₂O₇²²

[email protected] V^‡*

1.590(7)^‡

47^‡

~250 @ 1.55 V^*

~ 6 h @ 1.56 V

Bi₂Ru₂O₇²²

[email protected] V^‡*

1.588(7)^‡

48^‡

~250 @ 1.55 V^*

~6 h @ 1.56 V

Y_1.85Ba_0.15Ru₂O_7-δ²³

6.9

1.508

40.8

-

1500 cycles bt. 1.4–1.6 V

Y_1.7Sr_0.3Ru₂O₇²⁵

1.494

44.8

1018 @ 1.53 V

Y_1.85Zn_0.15Ru₂O_7-δ²⁶

4.4

1.521

36.9

-

2000 cycles bt. 1.35–1.6 V

Y₂[Ru_1.6Y_0.4]O_7-δ³⁰

18.1

1.48

37

700 @ 1.5 V

-

Y_1.8Fe_0.2Ru₂O_7-δ²⁹

0

1.625^*

57–63

~400 @ 1.625 V^*

-

Y_1.8Cu_0.2Ru₂O_7-δ²⁹

>1

1.58^*

57–63

~400 @ 1.55 V^*

6 h @ 1 mA cm⁻²_geo

Y_1.8Ni_0.2Ru₂O_7-δ²⁹

>1

-

57–63

~400 @ 1.575 V^*

-

Y_1.8Co_0.2Ru₂O_7-δ²⁹

0

-

57–63

~400 @ 1.585 V^*

-

Y₂Ru₂O_7-δ²⁹

>1

1.58^*

57–63

~400 @ 1.55 V^*

-

Yb₂Ru₂O₇⁹

650 @ 1.58 V

-

RuO₂²²

1.2 @ 1.55 V

1.626 (14)

77

-