Review of Methods for Improving the Cyclic Stability of Li–Air Batteries by Controlling Cathode Reactions

Authors

  • Dr. Ning Zhao,

    1. State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China)
    2. University of Chinese Academy of Sciences, Beijing 100049 (China)
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  • Prof. Chilin Li,

    1. State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China)
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  • Prof. Xiangxin Guo

    Corresponding author
    1. State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China)
    • State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China)===

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Abstract

The rechargeable Li–air battery (as well as the Li–O2 battery) is a promising candidate for energy storage applications, especially in application of electrical vehicles. However, many technical obstacles such as the limited cyclic stability, low electrical energy efficiency, and poor rate capability must be solved prior to its practical use. In this review, we focus on methods for extension of the cycle lifetime by controlling the key operation parameters. The important influence of working parameters on the cycle operation and the underlying mechanism related to cathode reactions are addressed. It is demonstrated that battery technology in combination with knowledge of the cathode material characteristics is essential for improvement of battery performance. Prospective utilization of battery technology for overcoming other problems of Li–air batteries is also discussed.

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