Oxygen evolution reaction catalysts capable of working efficiently in acidic media are highly demanded for the commercialization of proton exchange membrane water electrolysis. Herein, we report a Zn-doped RuO₂ nanowire array electrocatalyst with outstanding catalytic performance for the oxygen evolution reaction under acidic conditions. Overpotentials as low as 173, 304, and 373 mV are achieved at 10, 500, and 1000 mA cm⁻², respectively, with robust stability reaching to 1000 h at 10 mA cm⁻². Experimental and theoretical investigations establish a clear synergistic effect of Zn dopants and oxygen vacancies on regulating the binding configurations of oxygenated adsorbates on the active centers, which then enables an alternative Ru−Zn dual-site oxide path of the reaction. Due to the change of reaction pathways, the energy barrier of rate-determining step is reduced, and the over-oxidation of Ru active sites is alleviated. As a result, the catalytic activity and stability are significantly enhanced.

质子交换膜水电解的商业化迫切需要能够在酸性介质中高效工作的析氧反应催化剂。在此，我们报道了一种 Zn 掺杂的 RuO ₂纳米线阵列电催化剂，它在酸性条件下对析氧反应具有出色的催化性能。^{在 10、500 和 1000 mA cm -2}下分别实现低至 173、304 和 373 mV 的过电势，在 10 mA cm ^-2下稳健稳定性达到 1000 小时. 实验和理论研究表明，Zn 掺杂剂和氧空位在调节含氧吸附物在活性中心上的结合构型方面具有明显的协同作用，从而实现了反应的替代 Ru-Zn 双位点氧化物路径。由于反应途径的改变，降低了决速步骤的能垒，缓解了Ru活性位点的过度氧化。结果，催化活性和稳定性显着增强。