Phase transition heat responsive electrolyte and lithium ion battery
By constructing a phase transition thermally responsive electrolyte with a microphase separation structure, the problems of spontaneous reaction at room temperature and reactant enrichment at high temperature in existing technologies are solved, realizing the stability of the battery at room temperature and rapid response at high temperature, thus improving the safety and electrochemical performance of lithium-ion batteries.
CN122455949APending Publication Date: 2026-07-24HUNAN XIANGDIAN POWER TEST & RES TECH LTD +1
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HUNAN XIANGDIAN POWER TEST & RES TECH LTD
- Filing Date
- 2026-06-29
- Publication Date
- 2026-07-24
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Abstract
The application relates to the technical field of lithium ion batteries, and provides a phase transition thermal response electrolyte and a lithium ion battery. The phase transition thermal response electrolyte comprises a lithium salt, a first solvent, a second solvent, a thermal decomposition type free radical initiator, and a reaction monomer; wherein the first solvent is one or more selected from propylene carbonate, trimethyl phosphate, triethyl phosphate and sulfolane; the second solvent is one or more selected from 1,1,2,2-tetrafluoroethyl-2,2,3,3-tetrafluoropropyl ether, bis(2,2,2-trifluoroethyl) ether, hydrofluoroether and fluorobenzene; and the reaction monomer is one or more selected from a bismaleimide monomer, a vinyl carbonate monomer and an acrylate monomer. The lithium ion battery electrolyte is the aforementioned phase transition thermal response electrolyte. The electrolyte of the application inhibits reaction at normal temperature and quickly triggers reaction at high temperature.
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