Acid-like kinetics in alkali
The Ni(OH)₂ shell creates an acidic-like local environment on Pt, enabling acid-like HER kinetics in alkaline media while blocking impurities and suppressing Ostwald ripening for exceptional durability.
Wan, Chengzhang · Zhang, Zisheng · Dong, Juncai · Xu, Mingjie · Pu, Heting · Baumann, Daniel · Lin, Zhaoyang · Sibo, Wang · Huang, Jin · Hassan Shah, Aamir · Pan, Xiaoqing · Hu, Tiandou · Alexandrova, Anastassia N. · Huang, Yu D. · Duan, Xiangfeng
Nature Materials 2023
Record-high specific activity and mass activity in alkaline electrolyte
High tolerance to solution impurities
Exceptional long-term durability, surpassing naked Pt catalysts