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Fundamental Understanding of Nonaqueous and Hybrid Na-CO 2 Batteries: Challenges and Perspectives

Alkali metal-CO batteries, which combine CO recycling with energy conversion and storage, are a promising way to address the energy crisis and global warming. Unfortunately, the limited cycle life, poor reversibility, and low energy efficiency of these batteries have hindered their commercialization...

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Bibliographic Details
Published in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2023-04, Vol.19 (15), p.e2206445
Main Authors: Xu, Changfan, Dong, Yulian, Shen, Yonglong, Zhao, Huaping, Li, Liqiang, Shao, Guosheng, Lei, Yong
Format: Article
Language:English
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Summary:Alkali metal-CO batteries, which combine CO recycling with energy conversion and storage, are a promising way to address the energy crisis and global warming. Unfortunately, the limited cycle life, poor reversibility, and low energy efficiency of these batteries have hindered their commercialization. Li-CO battery systems have been intensively researched in these aspects over the past few years, however, the exploration of Na-CO batteries is still in its infancy. To improve the development of Na-CO batteries, one must have a full picture of the chemistry and electrochemistry controlling the operation of Na-CO batteries and a full understanding of the correlation between cell configurations and functionality therein. Here, recent advances in CO chemical and electrochemical mechanisms on nonaqueous Na-CO batteries and hybrid Na-CO batteries (including O -involved Na-O /CO batteries) are reviewed in-depth and comprehensively. Following this, the primary issues and challenges in various battery components are identified, and the design strategies for the interfacial structure of Na anodes, electrolyte properties, and cathode materials are explored, along with the correlations between cell configurations, functional materials, and comprehensive performances are established. Finally, the prospects and directions for rationally constructing Na-CO battery materials are foreseen.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.202206445