Citation: Zi-Wei ZHOU, Zhi-Min HE, Kun GUO, Ke-Ke HUANG, Xing LU. Recent Advances in Intrinsic Defects of Carbon-Based Metal-Free Electrocatalysts[J]. Chinese Journal of Inorganic Chemistry, ;2022, 38(11): 2113-2126. doi: 10.11862/CJIC.2022.227 shu

Recent Advances in Intrinsic Defects of Carbon-Based Metal-Free Electrocatalysts

Zi-Wei ZHOU ¹ ,
Zhi-Min HE ² ,
Kun GUO ^2,, ,
Ke-Ke HUANG ^1,, ,
Xing LU ^2,,

1.
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
2.
State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

Corresponding author: Kun GUO, guok@hust.edu.cn Ke-Ke HUANG, kkhuang@jlu.edu.cn Xing LU, lux@hust.edu.cn
Received Date: 25 March 2022
Revised Date: 5 August 2022

Figures(9)

Since the first discovery of nitrogen - doped carbon nanotubes with outstanding catalytic performance toward the oxygen reduction reaction, carbon-based metal-free materials hold great potential as promising alternatives to noble metal-based electrocatalysts prevailingly used in common energy technologies. In addition to the positive role of dopants, the ubiquitous intrinsic defects in the carbon skeleton are also important factors that affect the physical and chemical properties of carbon materials. Specifically, the carbon defects can induce localized charge and/or spin density redistribution and optimize the adsorption and/or desorption behaviors of key species, thereby improving the catalytic activity of adjoining carbon atoms. Rational design and creation of well-defined defects in carbon skeleton have recently become a crucial research frontier of carbon-based metal-free electrocatalysts. In this paper, we present an overview of recent advances in the intrinsic defects of carbon materials for electrocatalytic applications. Special focus is placed on three types of intrinsic defects, including edges, vacancies/holes, and topological defects. The fundamental features of these defects are first discussed, followed by summarizing the preparation and characterization methodology of such defects. According to both experimental and theoretical studies, the underlying correlations between the electronic structure and the electrocatalytic performance of these differentlyconfigured carbon defects are systematically elaborated. Finally, facing challenges and future perspectives on the intrinsic carbon defects for electrocatalysis are also provided.
- carbon-based metal-free materials,
- edge,
- vacancy,
- hole,
- topological defect,
- electronic structure,
- electrocatalytic reaction
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沈阳化工大学材料科学与工程学院沈阳 110142