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An Outlook on Low-Volume-Change Lithium Metal Anodes for Long-Life Batteries.
ACS Central Science ( IF 12.7 ) Pub Date : 2020-05-01 , DOI: 10.1021/acscentsci.0c00351 Huan Ye 1, 2 , Ying Zhang 1 , Ya-Xia Yin 1, 3 , Fei-Fei Cao 2 , Yu-Guo Guo 1, 3
ACS Central Science ( IF 12.7 ) Pub Date : 2020-05-01 , DOI: 10.1021/acscentsci.0c00351 Huan Ye 1, 2 , Ying Zhang 1 , Ya-Xia Yin 1, 3 , Fei-Fei Cao 2 , Yu-Guo Guo 1, 3
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Rechargeable Li metal batteries are one of the most attractive energy storage systems due to their high energy density. However, the hostless nature of Li, the excessive dendritic growth, and the accumulation of nonactive Li induce severe volume variation of Li anodes. The volume variation can give rise to a fracture of solid electrolyte interphase, continuous consumption of Li and electrolytes, low Coulombic efficiency, fast performance degradation, and finally short cycle life. This Outlook provides a comprehensive understanding of the origin and consequences of Li volume variation. Recent strategies to address this challenge are reviewed from liquid to gel to solid-state electrolyte systems. In the end, guidelines for structural design and fabrication suggestions for future long-life Li composite anodes are presented.
中文翻译：
用于长寿命电池的低容量变化锂金属阳极的展望。
可充电锂金属电池由于其高能量密度而成为最有吸引力的能量存储系统之一。但是，Li的无宿主性质，过度的树枝状生长以及非活性Li的积累引起Li阳极的体积发生严重变化。体积变化会导致固体电解质相间破裂，锂和电解质的连续消耗，库仑效率低，性能下降快以及最终循环寿命短。本《展望》全面了解了锂量变化的起源和后果。从液体到凝胶再到固态电解质系统，综述了应对这一挑战的最新策略。最后，介绍了有关未来长寿命Li复合阳极的结构设计和制造建议的指南。
更新日期：2020-05-01
中文翻译：
用于长寿命电池的低容量变化锂金属阳极的展望。
可充电锂金属电池由于其高能量密度而成为最有吸引力的能量存储系统之一。但是，Li的无宿主性质，过度的树枝状生长以及非活性Li的积累引起Li阳极的体积发生严重变化。体积变化会导致固体电解质相间破裂，锂和电解质的连续消耗，库仑效率低，性能下降快以及最终循环寿命短。本《展望》全面了解了锂量变化的起源和后果。从液体到凝胶再到固态电解质系统，综述了应对这一挑战的最新策略。最后，介绍了有关未来长寿命Li复合阳极的结构设计和制造建议的指南。
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