Energy Storage Science and Technology ›› 2021, Vol. 10 ›› Issue (6): 1963-1976.doi: 10.19799/j.cnki.2095-4239.2021.0122

• Special issue of hydrogen energy and fuel cell • Previous Articles     Next Articles

Recent progress on carbon-based catalysts for electrochemical synthesis of H2O2 via oxygen reduction reaction

Feng HE(), Jingjing ZHANG, Yijun CHEN, Jian ZHANG(), Deli WANG()   

  1. Key Laboratory of Material Chemistry for Energy Conversion and Storage, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
  • Received:2021-03-23 Revised:2021-06-07 Online:2021-11-05 Published:2021-11-03

Abstract:

The electrochemical synthesis of H2O2 via oxygen reduction reaction (ORR) is a low-cost, environment-friendly, and green synthesis method. However, the kinetics of ORR is very slow, and is also accompanied by the competitive reaction of 4 electron (4e-) ORR to generate H2O. The catalysts are therefore required. In recent years, carbon-based materials with low prices, abundant resources, competitive activity, and easy adjustability, have received extensive attention in this field. Herein, this review first briefly introduces the mechanism of ORR to the synthesis of H2O2, and the key factors of the catalytic performance of electrochemical synthesis of H2O2. Further, the strategy to improve the ORR activity and selectivity of carbon-based catalysts is reviewed, in which the doping of non-metallic atoms and the construction of transition metal single atoms on carbon-based materials are emphasized. Finally, the existing problems, challenges, and perspectives of carbon-based catalysts toward the electrosynthesis of H2O2 were described.

Key words: electrochemical synthesis, 2-electron oxygen reduction reaction, hydrogen peroxide, doped carbon materials, transition metal nitrogen-carbon catalysts

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