Achieving a stable 518 Wh kg<sup>−1</sup> Li metal pouch cell <i>via</i> SEI reconstruction engineering for high Li<sup>+</sup> conductive hetero-grain boundaries
Zhongwei Jiang, Junyang Liu, Ke Yue, Man Pang, Yixuan Peng, Chongyang Luo, Ziqing Yao, Tao Pan, Yuanyuan Wang, Yujie Li, Qingpeng Guo, Chunman Zheng, Weiwei Sun, Xinyong Tao, Shuangke Liu
Abstract
A SEI reconstruction method on Li anodes via perfluoroether carboxylic acid spraying, yielding a LiF/Li 2 O-rich SEI with high Li + conductive hetero-grain boundaries, enabling a 5.8 Ah pouch cell to achieve 518 Wh kg −1 and 100 cycles.
Topics & Concepts
Electrical conductorGrain boundaryMaterials scienceMetalPouchChemical engineeringComposite materialEngineeringMetallurgyGeologyMicrostructurePaleontologyAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research