Composition

A non-aqueous electrolyte composition using compounds of formula 1 and formula 2 addresses flammability and stability issues in batteries, enhancing energy density and safety while improving compatibility with electrodes.

JP7885220B2Active Publication Date: 2026-07-06MEXICHEM FLUOR S A DE CV
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Patent Information

Authority / Receiving Office
JP Β· JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-12-09
Publication Date
2026-07-06

AI Technical Summary

Technical Problem

Existing non-aqueous electrolytes for batteries face challenges such as flammability, chemical instability, environmental impact, and safety hazards due to the use of flammable solvents, which can lead to heat accumulation and potential battery failure, particularly in high-density lithium-ion batteries.

Method used

The use of a composition comprising compounds of formula 1 and formula 2 in a non-aqueous battery electrolyte formulation, which reduces flammability, enhances chemical stability, and improves electrochemical properties, including low viscosity and high oxidative stability, thereby addressing issues related to battery safety and performance.

Benefits of technology

The electrolyte formulation with compounds of formula 1 and formula 2 increases battery energy density, reduces flammability, enhances oxidative stability, and improves compatibility with electrodes, leading to improved battery performance and safety under harsh conditions.

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Patent Text Reader

Abstract

The use of the composition includes a compound of Formula 1 and a compound of Formula 2 in a non-aqueous battery electrolyte formulation, wherein R is a fluorinated alkyl group, X is selected from the group consisting of F, Cl, H, CF3, and C1-C6 alkyl, which may be at least partially fluorinated, the group OR may be cis or trans to any other group, and wherein R and R' are H, F, Cl, CF3, alkyl, or fluoroalkyl. [Formula 1] TIFF2023552607000039.tif78164
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Citation Information

Patent Citations

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    CN105111353A

  • Nonaqueous electrolytic secondary battery

    JP1996037024A

  • Electrolyte and secondary battery using the same

    JP2015153525A

  • Non-aqueous electrolytes for electrochemical cells

    US20110076572A1

  • Lithium secondary cell

    WO2013129428A1