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一种无氟电解质及其在高电压锂电池中的应用
InventionUnknown
10Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
吴持品; 王赛; 王梦秋
Filing Date
Jul 20, 2026
Publication Date
Oct 20, 2026
IPC Classification
H01M 10/0565 (2010.01)H01M 10/052 (2010.01)
本发明属于锂离子电池技术领域，特别涉及一种无氟电解质及其在高电压锂电池中的应用，无氟电解质由支化环氧烷烃、环状酸酐/酯、锂盐和有机溶剂组成；本发明通过在电解质体系中同时引入支化环氧烷烃与环状酸酐/酯，并在锂盐作用下形成含支化醚基与酯基链段的凝聚固化结构，利用支化侧链的位阻效应有效削弱锂离子与电解质链段之间的结合能，增加电解质的无定形区域并降低其结晶度，从而提升锂离子迁移占比和传导速率，进而提高电池的倍率性能和快充能力。
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