Laser ablation on lithium-ion battery electrode solid electrolyte interface removal

Yang Zhang, Yue Zhang, Zhichao Liu, Dongsheng Guan, Fenfen Wang, Vincent Meyers, Chris Yuan, Andreas Neuber, Hong Chao Zhang

Research output: Contribution to journalArticlepeer-review

Abstract

© 2017 Laser Institute of America. The formation of a solid electrolyte interface (SEI) on a Li-ion battery electrode during usage cycling is a critical reason for battery capacity loss. In this paper, laser ablation technology is applied to remove SEI from a graphite electrode surface. Characterization methods including scanning electron microscopy, Raman microscopy, and Fourier transform infrared spectroscopy are used to study the structure and morphology changes of the SEI on the electrode surface. The results show that laser ablation can successfully remove the SEI, indicating a feasible method to clean the electrode surface.
Original languageEnglish
JournalJournal of Laser Applications
StatePublished - Nov 1 2017

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