Constructing Interfacial Boron-Nitrogen Moieties in Turbostratic Carbon for Electrochemical Hydrogen Peroxide Production

被引：57

作者：

Tian, Zhihong ^{[1
,3
]}

Zhang, Qingran ^{[2
]}

Thomsen, Lars ^{[4
]}

Gao, Nana ^{[1
]}

Pan, Jian ^{[2
]}

Daiyan, Rahman ^{[2
]}

Yun, Jimmy ^{[2
]}

Brandt, Jessica ^{[3
]}

Lopez-Salas, Nieves ^{[3
]}

Lai, Feili ^{[5
]}

Li, Qiuye ^{[1
]}

Liu, Tianxi ^{[6
]}

Amal, Rose ^{[2
]}

Lu, Xunyu ^{[2
]}

Antonietti, Markus ^{[3
]}

机构：

[1] Henan Univ, Engn Res Ctr Nanomat, Kaifeng 475004, Peoples R China

[2] Univ New South Wales, Sch Chem Engn, Particles & Catalysis Res Grp, Sydney, NSW 2052, Australia

[3] Max Planck Inst Colloids & Interfaces, Dept Colloid Chem, D-14476 Potsdam, Germany

[4] Australian Nucl Sci & Technol Org, Australian Synchrotron, 800 Blackburn Rd, Clayton, Vic 3168, Australia

[5] Katholieke Univ Leuven, Dept Chem, Celestijnenlaan 200F, B-3001 Leuven, Belgium

[6] Jiangnan Univ, Sch Chem & Mat Engn, Key Lab Synthet & Biol Colloids, Wuxi 214122, Jiangsu, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2022年 / 61卷 / 37期

基金：

澳大利亚研究理事会; 中国国家自然科学基金;

关键词：

B; N Co-Doping; H2O2; Synthesis; Oxygen Reduction Reaction; Turbostratic Carbon; OXYGEN REDUCTION REACTION; IONIC LIQUIDS; ELECTROCATALYTIC SYNTHESIS; H2O2; PRODUCTION; DOPED CARBON; GRAPHENE; NITRIDE; SELECTIVITY; CATALYSTS; LAYERS;

D O I：

10.1002/anie.202206915

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The electrochemical oxygen reduction reaction (ORR) provides a green route for decentralized H2O2 synthesis, where a structure-selectivity relationship is pivotal for the control of a highly selective and active two-electron pathway. Here, we report the fabrication of a boron and nitrogen co-doped turbostratic carbon catalyst with tunable B-N-C configurations (CNB-ZIL) by the assistance of a zwitterionic liquid (ZIL) for electrochemical hydrogen peroxide production. Combined spectroscopic analysis reveals a fine tailored B-N moiety in CNB-ZIL, where interfacial B-N species in a homogeneous distribution tend to segregate into hexagonal boron nitride domains at higher pyrolysis temperatures. Based on the experimental observations, a correlation between the interfacial B-N moieties and HO2- selectivity is established. The CNB-ZIL electrocatalysts with optimal interfacial B-N moieties exhibit a high HO2- selectivity with small overpotentials in alkaline media, giving a HO2- yield of approximate to 1787 mmol g(catalyst)(-1) h(-1) at -1.4 V in a flow-cell reactor.

引用

页数：8

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