Crystallinity dependence for high-selectivity electrochemical oxygen reduction to hydrogen peroxide

被引：12

作者：

Liu, Meihuan ^{[1
]}

Zhang, Hui ^{[1
]}

Li, Yuanli ^{[1
,2
]}

Su, Hui ^{[1
]}

Zhou, Wanlin ^{[1
]}

Zhao, Xu ^{[1
]}

Cheng, Weiren ^{[1
]}

Liu, Qinghua ^{[1
]}

机构：

[1] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China

[2] Southwest Univ Sci & Technol, Fundamental Sci Nucl Wastes & Environm Safety Lab, Mianyang 621010, Sichuan, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 39期

关键词：

H2O2; PRODUCTION; CARBON; CATALYSTS; ELECTROCATALYSIS; STABILITY; SITES;

D O I：

10.1039/d0cc00139b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report a semiconducting metal-organic graphene analog, Ni-3(HITP)(2), with an adjustable crystalline structure for mediating efficient selectivity toward hydrogen peroxide. The as-prepared 5-Ni-3(HITP)(2) catalyst with low crystallinity can electrocatalyze O-2 to H2O2 with a high selectivity of 80% over a wide potential range of 0.2-0.6 V vs. RHE and with a large mass activity of 292 A g(Ni)(-1) at 0.25 V in 0.1 M KOH.

引用

页码：5299 / 5302

页数：4

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