Prelithiation: A Critical Strategy Towards Practical Application of High-Energy-Density Batteries,Advanced Energy Materials

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Prelithiation: A Critical Strategy Towards Practical Application of High-Energy-Density Batteries
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2023-06-01 , DOI: 10.1002/aenm.202300466
Hongqiang Zhang ₁ , Jun Cheng ₁ , Hongbin Liu ₁ , Deping Li ₁ , Zhen Zeng ₁ , Yuanyuan Li ₁ , Fengjun Ji ₁ , Yixuan Guo ₁ , Youri Wei ₁ , Shuai Zhang ₁ , Tiansheng Bai ₁ , Xiao Xu ₁ , Ruiqin Peng ₂ , Jingyu Lu ₃ , Lijie Ci ₁

Affiliation

To meet the demand for high-energy-density batteries, alloy-type and conversion-type anode materials have attracted growing attention due to their high specific capacity. However, the huge irreversible lithium loss during initial cycling significantly reduces the energy density of the full cell, which limits their practical applications. Fortunately, various anode prelithiation techniques have been developed to compensate for the initial lithium loss. At the same time, the cathode prelithiation has been proposed and demonstrated remarkable enhancement in the electrochemical performance, along with excellent scalability and compatibility with the existing battery production processes. Here, recent advances are reviewed in the prelithiation of both anodes and cathodes, and the key challenges are discussed in front of their practical applications. It is aimed to provide better recommendations and assistance for its large-scale practical applications.

中文翻译：

预锂化：高能量密度电池实际应用的关键策略

为了满足高能量密度电池的需求，合金型和转化型负极材料因其高比容量而受到越来越多的关注。然而，初始循环过程中巨大的不可逆锂损失显着降低了全电池的能量密度，这限制了它们的实际应用。幸运的是，已经开发了各种阳极预锂化技术来补偿初始的锂损失。同时，阴极预锂化被提出并证明其电化学性能显着增强，并且具有优异的可扩展性以及与现有电池生产工艺的兼容性。在这里，回顾了阳极和阴极预锂化的最新进展，并讨论了其实际应用中的关键挑战。

更新日期：2023-06-01

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