Cobalt-Doped Ru@RuO2 Core–Shell Heterostructure for Efficient Acidic Water Oxidation in Low-Ru-Loading Proton Exchange Membrane Water Electrolyzers - Jinghao Chen; Yirui Ma; Chen Cheng; Tao Huang; Ruihao Luo; Jingwen Xu; XiaoYang Wang; Taoli Jiang; Hongxu Liu; Shuang Liu; Ting Huang; Liang Zhang; et al. (Journal of the American Chemical Society, 2025)