CO2 电还原为 CH4 的现状和挑战：先进催化剂和增强策略,Green Chemistry

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CO2 电还原为 CH4 的现状和挑战：先进催化剂和增强策略
Green Chemistry ( IF 9.3 ) Pub Date : 2023-11-22 , DOI: 10.1039/d3gc03893a
Bingkun Li ₁ , Lu Liu ₁ , Mingzhu Yue ₁ , Qingman Niu ₁ , Min Li ₁ , Tianyu Zhang ₁ , Wenfu Xie ₁ , Qiang Wang _{1,

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Affiliation

在环境条件下，可持续能源驱动的二氧化碳（CO ₂）电还原为甲烷（CH ₄）对于实现碳中和和减轻环境污染具有巨大前景。尽管该领域取得了重大进展，但选择性和稳定性不佳仍然是其大规模应用的主要障碍。在此背景下，我们全面总结了CO ₂电还原成CH ₄的最新进展和未来机遇。首先，我们深入研究了CO ₂电还原成CH ₄的反应机理。彻底了解该过程中的各个步骤对于设计电催化剂和提高选择性和效率至关重要。特别阐述了用于CO ₂电还原成CH ₄的先进电催化剂（如铜基材料、碳基材料等材料）的开发。同时，特别关注CO ₂电还原成CH ₄的增强策略，包括配位环境操纵、元素掺杂、表面改性和形貌工程。最后，提出了CO ₂电还原成CH ₄的未来挑战。该综述旨在为电催化剂的系统探索和优化提供指导框架，从而促进CO ₂电还原成CH ₄的发展和进步。

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Status and challenges for CO2 electroreduction to CH4: advanced catalysts and enhanced strategies

Sustainable energy-powered carbon dioxide (CO₂) electroreduction into methane (CH₄) under ambient conditions holds great promise for achieving carbon neutrality and mitigating environmental pollution. Despite the significant advancements in this field, the unsatisfactory selectivity and stability remain the major obstacles to its large-scale applications. With this background, we present a comprehensive summary of recent progress and future opportunities of CO₂ electroreduction into CH₄. Firstly, we delve into the elucidation of the reaction mechanism involved in CO₂ electroreduction into CH₄. A thorough understanding of the individual steps within this process is paramount for designing electrocatalysts and improving selectivity and efficiency. In particular, the development of advanced electrocatalysts (such as copper-based materials, carbon-based materials and other materials) for CO₂ electroreduction into CH₄ is elaborated. Meanwhile, a special focus has been placed on the enhanced strategies, including coordination environment manipulation, element doping, surface modification, and morphology engineering, for CO₂ electroreduction into CH₄. Finally, the future challenges of CO₂ electroreduction into CH₄ are proposed. The review aims to serves as a guiding framework for systematic exploration and optimization of electrocatalysts, thus fostering the development and advancement of CO₂ electroreduction into CH₄.

更新日期：2023-11-22

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