Issue 38, 2019

Design strategies toward catalytic materials and cathode structures for emerging Li–CO2 batteries

Abstract

Integrating energy storage technologies with clean carbon dioxide (CO2) recycling is considered to be a promising solution to alleviate global warming caused by CO2 emission and meet the ever-increasing demand for electrical energy supplies. Recently, a rechargeable aprotic lithium–CO2 (Li–CO2) electrochemical system has been proposed as a new strategy for both energy storage and CO2 capture. However, the study of such a system remains preliminary, and its development still faces huge challenges such as low energy efficiency and electrolyte decomposition caused by a large charge overpotential, which are primarily attributed to the sluggish kinetics of the CO2 activation reaction in Li–CO2 batteries. Therefore, the reasonable design and fabrication of catalysts with excellent catalytic activity and high stability remain a formidable challenge to develop practical Li–CO2 batteries. In this review, based on the introduction of the structure and fundamental electrochemistry of Li–CO2 batteries, we provide an up-to-date and comprehensive review on state-of-the-art design strategies toward highly active catalytic materials and cathode structures for Li–CO2 batteries, inspiring research interests and concerns to this emerging energy storage system and promoting its practical application for future advances in this field.

Graphical abstract: Design strategies toward catalytic materials and cathode structures for emerging Li–CO2 batteries

Article information

Article type
Review Article
Submitted
17 jun 2019
Accepted
27 aug 2019
First published
30 aug 2019

J. Mater. Chem. A, 2019,7, 21605-21633

Design strategies toward catalytic materials and cathode structures for emerging Li–CO2 batteries

A. Hu, C. Shu, C. Xu, R. Liang, J. Li, R. Zheng, M. Li and J. Long, J. Mater. Chem. A, 2019, 7, 21605 DOI: 10.1039/C9TA06506G

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