Engineering the electronic state of a perovskite electrocatalyst for synergistically enhanced oxygen evolution reaction.

Guo, Yuqiao; Tong, Yun; Chen, Pengzuo; Xu, Kun; Zhao, Jiyin; Lin, Yue; Chu, Wangsheng; Peng, Zhenmeng et al. · Adv Mater · 2015

basic_science · Level V

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Abstract

A surface hydrogen effect to modulate the pure electronic-state transition in perovskite Ca0.9 Yb0.1 MnO3 synergistically generates a more suitable eg electron filling status and better conductivity. This achieves 100 times higher catalytic activity compared to that of a pristine sample.