Recently developed strategies to restrain dendrite growth of Li metal anodes for rechargeable batteries

Kai Chao Pu, Xin Zhang, Xiao Lei Qu, Jian Jiang Hu, Hai Wen Li, Ming Xia Gao, Hong Ge Pan, Yong Feng Liu

研究成果: ジャーナルへの寄稿総説査読

80 被引用数 (Scopus)

抄録

Lithium metal has been regarded as one of the most promising anode materials for high-energy-density batteries due to its extremely high theoretical gravimetric capacity of 3860 mAh·g−1 along with its low electrochemical potential of − 3.04 V. Unfortunately, uncontrollable Li dendrite growth and repetitive destruction/formation of the solid electrolyte interphase layer lead to poor safety and low Coulombic efficiencies (CEs) for long-term utilization, which largely restricts the practical applications of lithium metal anode. In this review, we comprehensively summarized important progresses achieved to date in suppressing Li dendrite growth. Strategies for protection of Li metal anodes include designing porous structured hosts, fabricating artificial solid electrolyte interface (SEI) layers, introducing electrolyte additives, using solid-state electrolytes and applying external fields. The protection of Li metal anodes can be achieved by regulating the stripping and deposition behaviours of Li ions. Finally, the challenges remaining for lithium metal battery systems and future perspectives for Li metal anodes in practical applications are outlined, which are expected to shed light on future research in this field.

本文言語英語
ページ(範囲)616-635
ページ数20
ジャーナルRare Metals
39
6
DOI
出版ステータス印刷中 - 1月 1 2020

!!!All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 物理化学および理論化学
  • 金属および合金
  • 材料化学

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