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Updated: Sep 18, 2025
Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
Published on: August 12, 2013
Dual-component modulation strategy for enhancing interfacial compatibility in 4.6 V LRMO-based solid-state lithium
Mengya Wang1,2, Linghong Xu1, Jilin Tang2
1GAC R&D Center, NEST LAB, Guangzhou Automobile Group Co., Ltd. (GAC Group), Guangzhou, 511434, China. shiyong@gacrnd.com.
Abstract:
Solid-state lithium metal batteries with a Li-rich manganese oxide (LRMO) cathode suffer from challenges in interfacial compatibility. This study improves the interface between a PVC-based gel electrolyte and electrodes via dual-component modulation. The optimized electrolyte exhibits high oxidation stability and facilitates the formation of inorganic-rich interphases, contributing to the long-term stability of the interface. Therefore, the 4.6 V Li|LRMO cells operate stably for 100 cycles at 0.2C, delivering an initial capacity of 215.2 mA h g-1 and average coulombic efficiency of 99.55%.
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