法拉第效率
电化学
阳极
材料科学
沉积(地质)
成核
溶解
金属
化学工程
纳米技术
电极
化学
冶金
地质学
沉积物
古生物学
有机化学
物理化学
工程类
作者
Liang Lin,K. Yue,Xia Li,Xiaolin Yan,Hongfei Zheng,Yinggan Zhang,Baisheng Sa,Junjie Li,Laisen Wang,Jie Lin,Yujing Liu,Guoying Wei,Dong‐Liang Peng,Qingshui Xie
标识
DOI:10.1002/anie.202319847
摘要
Abstract Irregular Li deposition is the major reason for poor reversibility and cycle instability in Li metal batteries, even leading to safety hazards, the causes of which have been extensively explored. The structural disconnection induced by completely dissolving Li in the traditional testing protocol is a key factor accounting for irregular Li growth during the subsequent deposition process. Herein, the critical role played by the structural connectivity of electrochemical Li reservoir in subsequent Li deposition behaviors is elucidated and a morphology‐performance correlation is established. The structural connection and resultant well‐distributed morphology of the in situ electrochemical Li reservoir ensure efficient electron transfer and Li + diffusion pathway, finally leading to homogenized Li nucleation and growth. Tailoring the geometry of Li reservoir can improve the coulombic efficiency and cyclability of anode‐free Li metal batteries by optimizing Li deposition behavior.
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