Hon Hai Precision Industry has filed a patent for a flame-retardant electrolyte containing specific solvents, lithium salt, and fluorinated solvent. The electrolyte can be used in various applications requiring fire safety measures. GlobalData’s report on Hon Hai Precision Industry gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Hon Hai Precision Industry, Device power optimization was a key innovation area identified from patents. Hon Hai Precision Industry's grant share as of January 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Flame-retardant electrolyte for lithium batteries
A recently filed patent (Publication Number: US20240039049A1) discloses a flame-retardant electrolyte for lithium-ion batteries. The electrolyte comprises a specific solvent, a lithium salt, and a fluorinated solvent. The specific solvent can be a carbonate solvent, ether solvent, succinonitrile, sulfolane, tetraglyme, ionic liquid, or a combination thereof. The carbonate solvent can be a cyclic carbonate like ethylene carbonate or a chain carbonate like dimethyl carbonate. The ether solvent can include 1,2-dimethoxyethane or diethylene glycol dimethyl ether. The concentration of the lithium salt in the electrolyte ranges from 5 to 7 moles per kilogram, with options like lithium bis (trifluoromethanesulfonyl) imide or lithium hexafluorophosphate.
Furthermore, the patent also covers a lithium-ion battery incorporating the flame-retardant electrolyte and a composite solid electrolyte membrane. The battery includes a positive electrode, a negative electrode, and the electrolyte with the specific solvent, lithium salt, and fluorinated solvent. The composite solid electrolyte membrane consists of a lithium salt compound, polymer material, solid electrolyte, and plasticizer. The method of making the flame-retardant electrolyte involves adding the lithium salt into the specific solvent and then introducing the fluorinated solvent after the salt is dissolved. The specific solvent can be a combination of carbonate solvent and ether solvent, offering flexibility in the composition of the electrolyte for improved battery performance and safety.
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