程鹤, 雷孝廷, 张文超, 卢新培. 低温等离子体转化CO2及分解机理研究[J]. 高电压技术, 2024, 50(11): 5206-5218. DOI: 10.13336/j.1003-6520.hve.20231829
引用本文: 程鹤, 雷孝廷, 张文超, 卢新培. 低温等离子体转化CO2及分解机理研究[J]. 高电压技术, 2024, 50(11): 5206-5218. DOI: 10.13336/j.1003-6520.hve.20231829
CHENG He, LEI Xiaoting, ZHANG Wenchao, LU Xinpei. Study on the Low-temperature Plasma Conversion of CO2 and Decomposition Mechanism[J]. High Voltage Engineering, 2024, 50(11): 5206-5218. DOI: 10.13336/j.1003-6520.hve.20231829
Citation: CHENG He, LEI Xiaoting, ZHANG Wenchao, LU Xinpei. Study on the Low-temperature Plasma Conversion of CO2 and Decomposition Mechanism[J]. High Voltage Engineering, 2024, 50(11): 5206-5218. DOI: 10.13336/j.1003-6520.hve.20231829

低温等离子体转化CO2及分解机理研究

Study on the Low-temperature Plasma Conversion of CO2 and Decomposition Mechanism

  • 摘要: 如何实现CO2循环和高效利用已成为环境领域亟须解决的热点问题。低温等离子体(low-temperature plasma, LTP)技术因其独特的非平衡优势,可以在大气压常温条件下高效打破C=O双键,为实现CO2高效转化提供了新方案。然而,如何提高等离子体催化CO2的转化率及能量效率仍须深入研究。该综述首先总结了当前国内外不同类型的LTP转化CO2的研究进展,通过分析LTP作用CO2的分解机理,揭示了单独等离子体作用下转化率和能量效率难以同时提升的关键机制,在此基础上,总结了催化剂与等离子体的协同效应,并分析了催化剂的引入对转化率及能量效率的影响。最后,指出了低温等离子体催化CO2转化未来的研究重点。

     

    Abstract: Realizing the cyclical and efficient utilization of CO2 has emerged as a pressing issue in the environmental field. Due to its unique non-thermal equilibrium advantages, the low-temperature plasma (LTP) technology can efficiently break C=O double bonds under atmospheric pressure and normal temperature conditions, thus offering a novel solution for efficient CO2 conversion. However, how to improve the conversion rate and energy efficiency of plasma catalysis still needs in-depth research. This review first summarized the current domestic and international advancements in various types of LTP for CO2 conversion. By analyzing the decomposition mechanisms of CO2 under LTP, this review unveiled the key mechanisms that make it challenging to simultaneously improve conversion rates and energy efficiency under plasma environment. Thereby, this review summarized the synergistic effects between catalysts and plasma, and analyzed the influences of catalyst introduction on conversion rates and energy efficiency. Finally, the future research focusing on LTP catalysis for CO2 conversion was pointed out.

     

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