Advanced Nanocarbons Toward two-Electron Oxygen Electrode Reactions for H2O2 Production and Integrated Energy Conversion

被引：0
|
作者：
Zhao, Linjie [1 ]
Yan, Riqing [1 ]
Mao, Baoguang [1 ]
Paul, Rajib [2 ]
Duan, Wenjie [1 ]
Dai, Liming [3 ]
Hu, Chuangang [1 ]
机构：
[1] Beijing Univ Chem Technol, Beijing Key Lab Energy Environm Catalysis, State Key Lab Organ Inorgan Composites, Coll Chem Engn, Beijing 100029, Peoples R China
[2] Kent State Univ, Adv Mat & Liquid Crystal Inst, Kent, OH 44242 USA
[3] Univ New South Wales, Australian Carbon Mat Ctr A CMC, Sch Chem Engn, Sydney, NSW 2052, Australia
来源：
SMALL | 2024年 / 20卷 / 43期
基金：
中国国家自然科学基金; 澳大利亚研究理事会;
关键词：
carbon-based metal-free electrochemical catalysts; hydrogen peroxide; integrated reactor design; two-electron oxygen reduction reaction; two-electron water oxidation reaction; NITROGEN-DOPED CARBON; HYDROGEN-PEROXIDE PRODUCTION; ASSISTED SYNTHESIS; ACTIVE-SITE; REDUCTION; ELECTROSYNTHESIS; ELECTROCATALYSTS; OXIDATION; GRAPHENE; CATALYST;
D O I：
10.1002/smll.202403029
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hydrogen peroxide (H2O2) plays a pivotal role in advancing sustainable technologies due to its eco-friendly oxidizing capability. The electrochemical two-electron (2e(-)) oxygen reduction reaction and water oxidation reaction present an environmentally green method for H2O2 production. Over the past three years, significant progress is made in the field of carbon-based metal-free electrochemical catalysts (C-MFECs) for low-cost and efficient production of H2O2 (H2O2EP). This article offers a focused and comprehensive review of designing C-MFECs for H2O2EP, exploring the construction of dual-doping configurations, heteroatom-defect coupling sites, and strategic dopant positioning to enhance H2O2EP efficiency; innovative structural tuning that improves interfacial reactant concentration and promote the timely release of H2O2; modulation of electrolyte and electrode interfaces to support the 2e(-) pathways; and the application of C-MFECs in reactors and integrated energy systems. Finally, the current challenges and future directions in this burgeoning field are discussed.
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页数：19
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