MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202617018198 A) filed by Lg Energy Solution, Ltd. on February 18, 2026, for Lithium Secondary Battery Comprising Buffer Layer Between Positive Electrode And Separator.
Inventors include Choi, Jeongin; Kim, Soohyun; and Kim, Da Young.
The application for the patent was published on October 02, 2026, under issue no. 40/2026.
Abstract: According to one embodiment of the present invention, provided is a lithium secondary battery comprising: an electrode assembly including a positive electrode, a negative electrode, and a separator; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and a fluorinated non-solvent, wherein the positive electrode and the negative electrode face each other with the separator interposed therebetween, and a buffer layer including an oxide-based solid electrolyte and a protective layer including a reaction product of the oxide-based solid electrolyte and the fluorinated non-solvent are formed between the positive electrode and the separator.
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