期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 24, 期 43, 页码 26356-26370出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cp04032h
关键词
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资金
- National Natural Science Foundation of China [U1610252]
Carbon materials and their composites have been proposed as strategies to address the uncontrollable dendritic growth of lithium metal anodes, showing great potential for practical applications. This review discusses in detail various protective strategies based on carbon materials, including the design of carbon materials with specific functionalities and manufacturing methods of composite electrodes with metallic lithium and carbon materials.
Lithium (Li) metal is strongly considered to be the ultimate anode for next-generation high-energy-density rechargeable batteries due to its lowest electrochemical potential and highest specific capacity. However, Li metal anode has limitations, involving inevitable dendritic Li growth, nonuniform Li deposition, enormous volume expansion, and ultimate electrode pulverization, which lead to rapid decrease in Coulombic efficiency and short circuits, significantly hindering its practical use. Various strategies have been proposed to solve uncontrollable dendritic Li growth and parasitic electrochemical reactions. Carbon materials and their composites with excellent structure tunability and properties have been explored to solve these issues and have shown great potential applications in Li metal anodes. This review presents various protective strategies of Li metal anode based on carbon materials. The rational design of carbon materials with specific functionalities in Li metal anode protecting solutions and manufacturing methods of composite electrodes with metallic Li and carbon materials are discussed in detail. In addition, a comprehensive understanding of the challenges and our outlook on the future development of carbon materials for stabilizing Li metal anodes in practical applications are discussed and prospected.
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