Issue 48, 2022

Metal-related electrocatalysts for Li–CO2 batteries: an overview of the fundamentals to explore future-oriented strategies

Abstract

In the context of carbon peaking and carbon neutrality, the recovery and utilization of clean CO2 in energy storage systems have attracted significant attention from researchers. Recently, Li–CO2 batteries, that utilize CO2 as the cathode material, have been proposed to improve the economics of CO2 capture and reduce the accumulation of CO2, which can be applied to address problems with the operating environment. However, as an emerging research direction, this Li–CO2 battery system still faces many difficulties that require to be overcome, such as poor reversibility, low energy efficiency, and high overpotential, which are caused by poor electrochemical reaction kinetics. Therefore, designing and developing catalysts for Li–CO2 batteries with excellent catalytic activity and stability is pivotal in settling the above problems. In this review, the reduction and oxidation mechanisms of Li–O2/CO2 and Li–CO2 batteries are introduced first. Next, a comprehensive and exhaustive review is provided to discuss the cutting-edge design strategies of materials and structures of metal-based electrocatalysts oriented by Li–CO2 batteries. Finally, based on the research progress of advanced Li–CO2 batteries in the past few years, the opportunities and challenges for the future development of Li–CO2 batteries are highlighted.

Graphical abstract: Metal-related electrocatalysts for Li–CO2 batteries: an overview of the fundamentals to explore future-oriented strategies

Article information

Article type
Review Article
Submitted
21 juil. 2022
Accepted
23 sept. 2022
First published
04 oct. 2022

J. Mater. Chem. A, 2022,10, 25406-25430

Metal-related electrocatalysts for Li–CO2 batteries: an overview of the fundamentals to explore future-oriented strategies

H. Lv, X. L. Huang, X. Zhu and B. Wang, J. Mater. Chem. A, 2022, 10, 25406 DOI: 10.1039/D2TA05756E

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