Lithium sulfide: a promising prelithiation agent for high-performance lithium-ion batteries
Junkang Huang , Weifeng Li , Wenli Zhang , Bixia Lin , Yang Wang , Siu Wing Or , Shuhui Sun , Zhenyu Xing
SusMat ›› 2024, Vol. 4 ›› Issue (1) : 34 -47.
Lithium sulfide: a promising prelithiation agent for high-performance lithium-ion batteries
Lithium-ion batteries are widely used in portable electronics and electric vehicles due to their high energy density, stable cycle life, and low self-discharge. However, irreversible lithium loss during the formation of the solid electrolyte interface greatly impairs energy density and cyclability. To compensate for the lithium loss, introducing an external lithium source, that is, a prelithiation agent, is an effective strategy to solve the above problems. Compared with other prelithiation strategies, cathode prelithiation is more cost-effective with simpler operation. Among various cathode prelithiation agents, we first systematically summarize the recent progress of Li2S-based prelithiation agents, and then propose some novel strategies to tackle the current challenges. This review provides a comprehensive understanding of Li2S-based prelithiation agents and new research directions in the future.
Li-ion batteries / prelithiation / Li 2S / prelithiation agent / metallothermic reduction reaction
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2023 The Authors. SusMat published by Sichuan University and John Wiley & Sons Australia, Ltd.
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