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Lithium Secondary Battery

Abstract: The present invention relates to a lithium secondary battery with improved output characteristics and low-temperature characteristics. The lithium secondary battery comprises a cathode, an anode, and an electrolyte containing a lithium salt and a non-aqueous organic solvent. The cathode comprises: a cathode current collector; and an active material layer formed on the cathode current collector and containing a cathode active material, a conductive material, and an oxide-based solid electrolyte having a lithium ion source. The cathode active material and the oxide-based solid electrolyte are dispersed in the form of particles within the active material layer, and the average particle diameter (D50) of the particles satisfies a predetermined ratio.

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Patent Information

Application #
Filing Date
07 October 2025
Publication Number
46/2025
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application

Applicants

LG ENERGY SOLUTION, LTD.
Tower 1, 108, Yeoui-daero, Yeongdeungpo-gu, Seoul 07335

Inventors

1. BYUN, Seoungwoo
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
2. HWANG, Sunwook
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
3. JANG, Eunji
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
4. RYU, Jihoon
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
5. LIM, Taeseob
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
6. KIM, Dong Kyu
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
7. JUN, Youngjin
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
8. LEE, Sangryeo
LG ENERGY SOLUTION Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122

Specification

Documents

Application Documents

# Name Date
1 202517096439-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [07-10-2025(online)].pdf 2025-10-07
2 202517096439-STATEMENT OF UNDERTAKING (FORM 3) [07-10-2025(online)].pdf 2025-10-07
3 202517096439-REQUEST FOR EXAMINATION (FORM-18) [07-10-2025(online)].pdf 2025-10-07
4 202517096439-PROOF OF RIGHT [07-10-2025(online)].pdf 2025-10-07
5 202517096439-PRIORITY DOCUMENTS [07-10-2025(online)].pdf 2025-10-07
6 202517096439-POWER OF AUTHORITY [07-10-2025(online)].pdf 2025-10-07
7 202517096439-FORM 18 [07-10-2025(online)].pdf 2025-10-07
8 202517096439-FORM 1 [07-10-2025(online)].pdf 2025-10-07
9 202517096439-DRAWINGS [07-10-2025(online)].pdf 2025-10-07
10 202517096439-DECLARATION OF INVENTORSHIP (FORM 5) [07-10-2025(online)].pdf 2025-10-07
11 202517096439-COMPLETE SPECIFICATION [07-10-2025(online)].pdf 2025-10-07