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Positive Electrode For All Solid State Battery, Method For Manufacturing Same, And All Solid State Battery Comprising Positive Electrode

Abstract: Disclosed are: a positive electrode for an all-solid-state battery, wherein a granule powder layer is configured as multiple layers having particles of different shapes to increase the electrical conductivity of a granule powder while ensuring a uniform surface flatness when the granule powder is sheeted, and thus exhibiting excellent adhesion to a solid electrolyte; a method for manufacturing same; and an all-solid-state battery comprising the positive electrode. The positive electrode for an all-solid-state battery is characterized by comprising: a metal current collector; an inner granule powder layer which is located on one surface of the metal current collector and contains an active material, a conductive material, and a binder in granule powder form; and an outer granule powder layer which is laminated on the surface of the inner granule powder layer and contains an active material, a conductive material, and a binder in granule powder form, wherein the conductive material of the inner granule powder layer and the conductive material of the outer granule powder layer have different shapes.

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Patent Information

Application #
Filing Date
03 May 2024
Publication Number
51/2024
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application

Applicants

LG ENERGY SOLUTION, LTD.
Tower1, 108, Yeoui-daero, Yeongdeungpo-gu, Seoul 07335

Inventors

1. KIM, Sohee
LG Energy Solution Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
2. KWON, Hyejin
LG Energy Solution Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
3. KIM, Jeonggil
LG Energy Solution Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
4. KIM, Taegon
LG Energy Solution Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
5. HAH, Hoejin
LG Energy Solution Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
6. KIM, Ki Tae
LG Energy Solution Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
7. LEE, Choonghyeon
LG Energy Solution Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122
8. KIM, Myeongsoo
LG Energy Solution Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122

Specification

Documents

Application Documents

# Name Date
1 202417035199-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [03-05-2024(online)].pdf 2024-05-03
2 202417035199-STATEMENT OF UNDERTAKING (FORM 3) [03-05-2024(online)].pdf 2024-05-03
3 202417035199-REQUEST FOR EXAMINATION (FORM-18) [03-05-2024(online)].pdf 2024-05-03
4 202417035199-PROOF OF RIGHT [03-05-2024(online)].pdf 2024-05-03
5 202417035199-PRIORITY DOCUMENTS [03-05-2024(online)].pdf 2024-05-03
6 202417035199-POWER OF AUTHORITY [03-05-2024(online)].pdf 2024-05-03
7 202417035199-FORM 18 [03-05-2024(online)].pdf 2024-05-03
8 202417035199-FORM 1 [03-05-2024(online)].pdf 2024-05-03
9 202417035199-DRAWINGS [03-05-2024(online)].pdf 2024-05-03
10 202417035199-DECLARATION OF INVENTORSHIP (FORM 5) [03-05-2024(online)].pdf 2024-05-03
11 202417035199-COMPLETE SPECIFICATION [03-05-2024(online)].pdf 2024-05-03
12 202417035199-FORM 3 [03-10-2024(online)].pdf 2024-10-03