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Crystal phase engineering of electrocatalysts for energy conversions

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Abstract

Crystal phase is an intrinsic structural parameter to determine the physicochemical properties and functionalities of materials. The unconventional phases of materials with distinct atomic arrangements from their thermodynamically stable phases have attracted enormous attention. Phase engineering has recently made fruitful achievements in electrocatalysis field to optimize the performance of various electrochemical reactions. In this review, theoretical and experimental advances made in phase engineering of electrocatalysts are summarized. First, we introduce basic understanding on crystal phases of catalysts to show the dialectical relationship between bulk phase and surface catalytic layer, and highlight the multiple functions of phase engineering in catalysis studies. We then describe phase-controlled synthesis of materials through various experimental methods such as wet-chemical method, phase transition, and template growth. As a focus, we discuss the wide usage of phase engineering strategy in different kinds of electrocatalytic materials, and particular emphasis is given to establishment of reasonable crystal phase-activity relationship. Finally, we propose several future directions for developing more desirable electrocatalysts by rational crystal phase design.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Nos. 21922507, 22179046, and 21621001), the Jilin Province Science and Technology Development Plan (Nos. YDZJ202101ZYTS126 and 20210101403JC), the Science and Technology Research Program of Education Department of Jilin Province (No. JJKH20220998KJ), and the 111 Project (No. B17020).

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Authors and Affiliations

  1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China

    Hui Chen, Mingcheng Zhang, Ke Sun, Lina Wang, Zhoubing Xie, Yucheng Shen, Xindi Han, Lan Yang & Xiaoxin Zou

  2. Petrochina Petrochemical Research Institute, Beijing, 102206, China

    Yanfei Wang

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  1. Hui Chen
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  2. Mingcheng Zhang
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  4. Ke Sun
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  9. Lan Yang
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  10. Xiaoxin Zou
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Correspondence to Lan Yang or Xiaoxin Zou.

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Chen, H., Zhang, M., Wang, Y. et al. Crystal phase engineering of electrocatalysts for energy conversions. Nano Res. 15, 10194–10217 (2022). https://doi.org/10.1007/s12274-022-4605-y

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