Oxygen vacancies on Nb2O5 enhanced the performance of H2O2 electrosynthesis from O-2 reduction

Xiaoge Peng,Shijie Zhang,Zhikang Bao,Lei Ding,Guoliang Wang,Yizhen Shao,Zaixiang Xu,Wenkai Ji,Ge Feng,Shibin Wang,Xing Zhong,Jianguo Wang

CHEMICAL COMMUNICATIONS（2022）

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摘要

A serial oxygen vacancy (O-V) on Nb2O5 is synthesised by H-2 calcination, and H-300 exhibited high selectivity and activity for H2O2 (93.4%, 562.5 mmol g(cat)(-1)). A volcano relationship is identified between the O-V content and performance, which provides an attractive insight into designing electrocatalysts.

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