Citation: Yun-Long SUN, Jun-Heng HUANG. Improvement of the Selectivity for Hydrogen Peroxide Production via the Synergy of TiO₂ and Graphene[J]. Chinese Journal of Structural Chemistry, ;2022, 41(3): 220308. doi: 10.14102/j.cnki.0254-5861.2011-3299 shu

Improvement of the Selectivity for Hydrogen Peroxide Production via the Synergy of TiO₂ and Graphene

Yun-Long SUN ^{a, b} ,
Jun-Heng HUANG ^a,,

a.
CAS Key Laboratory of Design and Assembly of Functional Nano-structures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
b.
Fuzhou University, Fuzhou 350108, China

Corresponding author: Jun-Heng HUANG, huangjunheng@fjirsm.ac.cn
Received Date: 28 June 2021
Accepted Date: 14 September 2021

Fund Project: the Natural Science Foundation of Fujian Province 2020J05079

Figures(5)

To replace the four-electron transferred pathway of oxygen reduction reaction (ORR) by two-electron transferred pathway of ORR (2e^- ORR) is desirable for the production of hydrogen peroxide with added-value. The development of electrocatalysts with high selectivity toward 2e^- ORR is of great interest but it is still a challenge. Here, we synthesized the graphene-supported titanium dioxide nanocomposite as the 2e^- ORR catalysts by a combinative process of hydrothermal methods and calcination. Due to the synergistic effect between the graphene with high conductivity and the titanium dioxide with defect sites, the composite TiO₂/graphene exhibits the improved selectivity (up to 90%) for oxygen converting into hydrogen peroxide.
- oxygen reduction reaction,
- hydrogen peroxide,
- titanium dioxide,
- graphene,
- electrochemistry
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Improvement of the Selectivity for Hydrogen Peroxide Production via the Synergy of TiO2 and Graphene

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Improvement of the Selectivity for Hydrogen Peroxide Production via the Synergy of TiO₂ and Graphene