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Cathode architecture and active site engineering in lithium-CO2 batteries

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Microstructures 2024;4:[Accepted].
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Abstract

Secondary lithium-carbon dioxide (Li–CO2) batteries possess great application potential for CO2 fixation and electrochemical energy storage. Nevertheless, the formation of stable and insulating discharge intermediates and the complexity of multiphase interfacial reactions lead to large potential polarization and inferior redox reversibility. In this review, we systematically discuss the charge/discharge mechanisms of Li–CO2 redox reaction. Latest research achievements about cathode architecture and active site engineering are summarized in detail. In particular, representative engineering strategies (i.e., morphological modulation, dimensional hybridization, defect, single atoms, heterostructure, and synergy engineering) of cathode materials for high-performance Li-CO2 batteries are systematically introduced. Lastly, the current research progress is briefly summarized and the future challenge and potential opportunities for further development of advanced Li-CO2 batteries are proposed.

Keywords

Cathode architecture, active site engineering, carbon dioxide conversion, Li-CO2 batteries

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Sun H, Di C, Wu Z, Jiang Y, Hussain I, Ye Z. Cathode architecture and active site engineering in lithium-CO2 batteries. Microstructures 2024;4:[Accept]. http://dx.doi.org/10.20517/microstructures.2024.45


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© The Author(s) 2024. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, sharing, adaptation, distribution and reproduction in any medium or format, for any purpose, even commercially, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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