Carbon electrodes for the electrocatalytic synthesis of hydrogen peroxide: A review

HUANG Xian-huai; YANG Xin-ke; GUI Ling; LIU Shao-gen; WANG Kun; RONG Hong-wei; WEI Wei

doi:10.1016/S1872-5805(24)60846-2

Volume 39 Issue 2

Apr. 2024

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Article Navigation > New Carbon Mater. > 2024 > 39(2): 254-270

HUANG Xian-huai, YANG Xin-ke, GUI Ling, LIU Shao-gen, WANG Kun, RONG Hong-wei, WEI Wei. Carbon electrodes for the electrocatalytic synthesis of hydrogen peroxide: A review. New Carbon Mater., 2024, 39(2): 254-270. doi: 10.1016/S1872-5805(24)60846-2

Citation:

HUANG Xian-huai, YANG Xin-ke, GUI Ling, LIU Shao-gen, WANG Kun, RONG Hong-wei, WEI Wei. Carbon electrodes for the electrocatalytic synthesis of hydrogen peroxide: A review. New Carbon Mater., 2024, 39(2): 254-270. doi: 10.1016/S1872-5805(24)60846-2

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Carbon electrodes for the electrocatalytic synthesis of hydrogen peroxide: A review

doi: 10.1016/S1872-5805(24)60846-2

1.
Department of Municipal Engineering, School of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China
2.
Department of Municipal Engineering, School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
3.
Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education，Guangzhou 510006, China

Funds: This work was funded by the National Natural Science Foundation of China (52370001), the Anhui Provincial Key Research and Development Project (2023t07020011), the Opening Fund of Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education (KLWQCPRD-202306), and the Science and Technology Major Project of Anhui Province (202203a07020019)

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Author Bio:
黄显怀，博士，教授. E-mail：xhhuang@ahjzu.edu.cn
Corresponding author: WEI Wei, Ph.D, Lecturer. E-mail: weiw@ahjzu.edu.cn
Received Date: 2023-11-10
Accepted Date: 2024-02-27
Rev Recd Date: 2024-02-26

Available Online: 2024-02-28

Publish Date: 2024-04-20

Abstract

Abstract

Electrocatalytic oxygen reduction by a 2e⁻ pathway enables the instantaneous synthesis of H₂O₂, a process that is far superior to the conventional anthraquinone process. In recent years, the electrocatalytic synthesis of H₂O₂ using carbon electrodes has attracted more and more attention because of its excellent catalytic performance and superior stability. The relationship between material modification, wettability and the rate of H₂O₂ synthesis and service life is considered together with the three-phase interface. The structure of the carbon electrodes and the principles of electrocatalytic H₂O₂ synthesis are first introduced, and four major catalysts are reviewed, namely, monolithic carbon materials, metal-free catalysts, noble metal catalysts and non-precious metal catalysts. The effects of the metal anode and the electrolyte on the three-phase interface are described. The relationship between carbon electrode wettability and the three-phase interface is described, pointing out that modification focusing on improving the selectivity of the 2e⁻ pathway can also impact electrode wettability. In addition, the relationship between the design of the components in the electrochemical system and their effect on the efficiency of H₂O₂ synthesis is discussed for carbon electrodes. Finally, we present our analysis of the current problems in the electrocatalytic synthesis of H₂O₂ for carbon electrodes and future research directions.
- In situ synthesis,
- H₂O₂,
- Carbon electrodes,
- Solid-liquid-gas three-phase interface,
- Wettability

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References(119)

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