文献类型：期刊文献

英文题名：Plasticizer-polymer matrix integration for flame retardation and interphase stabilization in gel polymer electrolytes toward safer lithium-metal batteries

作者：Lan, Yu[1];Liu, Honghao[1];Tian, Zhongcheng[1];Zhang, Xiaoxiao[1];Yao, Yuhao[1];Guan, Mengjia[1];Li, Yongsheng[1]

机构：[1]East China Univ Sci & Technol, Frontier Sci Ctr Mat Biol & Dynam Chem, Shanghai Engn Res Ctr Hierarch Nanomat,Minist Educ, Sch Mat Sci & Engn,Lab Low Dimens Mat Chem,Key Lab, Shanghai 200237, Peoples R China

年份：2026

外文期刊名：JOURNAL OF SOLID STATE ELECTROCHEMISTRY

收录：;EI(收录号：20262420895227);WOS:【SCI-EXPANDED(收录号:WOS:001787921100001)】；

基金：The authors acknowledge the financial support from Shanghai Pilot Program for Basic Research (22TQ1400100-13) and the Leading Talents in Shanghai in 2018.

语种：英文

外文关键词：Gel polymer electrolyte; Flame-retardant electrolyte; Lithium-metal batteries; Fluorinated polymer; Interphase stabilization

摘要：Lithium-metal batteries (LMBs) offer ultrahigh energy density but their practical deployment is hindered by safety hazards and unstable Li plating/stripping associated with dendrite growth and flammable liquid electrolytes. Herein, a flame-retardant gel polymer electrolyte (FPHGPE) is fabricated via in-situ polymerization of a fluorinated acrylate matrix incorporating flame-retardant plasticizers. The resulting electrolyte exhibits a high room-temperature ionic conductivity of 0.84 mS cm(-)& sup1; and an excellent Li+ transference number (0.61), while showing excellent flame retardancy with a mass-normalized self-extinguishing time (SET) of 0 s g(-)& sup1;. Benefiting from fluorinated components, FPHGPE facilitates the formation of a stable, LiF-rich solid-electrolyte interphase, enabling dendrite-free Li plating/stripping in Li|Li symmetric cells for over 1000 h at 1 mA cm(-)& sup2; (1 mAh cm(-)& sup2;). Consequently, full cells with high-loading LiFePO4 (LFP) and LiNi0.Co-8(0).Mn-1(0).O-1(2) (NCM811) cathodes retain 68.6% and 67.3% of their initial capacities after 400 cycles, respectively. Moreover, a 1 Ah NCM811|Li pouch cell demonstrates stable operation and functional safety under stringent physical-abuse tests. This work provides a practical electrolyte design strategy for safer LMBs with stable cycling performance.