Nickel-based electrocatalysts for the hydrogen oxidation reaction in hydroxide exchange membrane fuel cells show promise, but their activity requires further enhancement. Here, the authors report NiCuCr alloy with high activity, owing to the efficient tuning of both hydrogen and water binding on Ni sites by alloying with Cu and Cr.
- Xingdong Wang
- Xuerui Liu
- Zhongbin Zhuang