MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202617055209 A) filed by Lg Energy Solution, Ltd. on April 30, 2026, for Lithium Secondary Battery.
Inventors include Park, Jin Young; Oh, Seok Jin; Youn, Hee Chang; Sung, Joo Hwan; Lee, Min Wook; Kim, Jong Seon; and Park, Ji Min.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: The present invention relates to a lithium secondary battery having excellent low-temperature lifespan characteristics. The lithium secondary battery of the present invention comprises: an anode comprising an anode mixture layer that includes a first anode active material, a second anode active material, an anode conductive material and an anode binder; a cathode comprising a cathode mixture layer that includes a cathode active material, a cathode conductive material and a cathode binder; and an electrolyte. CFC defined in relation (1) is 0.38 to 1.962. Relation (1): CFC = 100×Wc - {(D50, a1×D50, a2×L×RN/P×1010)/MWC} In relation (1), Wc is the ratio of the weight of the anode conductive material to the total weight of the anode mixture layer, MWC is the weight value of 1 mole of carbon measured in units of g, D50, a1 is the D50 value of the first anode active material measured in units of m, D50, a2 is the D50 value of the second anode active material measured in units of m, L is the weight value of the anode active material per unit area of the anode mixture layer disposed on a cross-section of the anode, measured in units of g/25cm2, and RN/P is the ratio of the capacity of the anode to the capacity of the cathode.
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