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Method For Manufacturing Electrode For All Solid State Battery, And Electrode Manufactured Thereby

Abstract: Provided is a method for manufacturing an electrode for an all-solid-state battery, comprising the steps of: preparing primary granules containing an active material, a conductive material, and a binder; mixing the prepared primary granules with a solid electrolyte to prepare secondary granules coated with a solid electrolyte using the mechanofusion method; and preparing an electrode by applying the prepared secondary granules onto a current collector. According to one embodiment of the present invention, the primary granules have an average particle diameter (D50) of 50 µm to 110 µm, and the secondary granules have an average particle diameter (D50) of 10 µm to 30 µm. The electrode manufactured according to the above manufacturing method contributes to improving the performance of a battery when applied to an all-solid-state battery by improving an electrical network between the active material and the solid electrolyte.

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Patent Information

Application #
Filing Date
28 September 2023
Publication Number
50/2023
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application

Applicants

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

Inventors

1. KIM, Jeonggil
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, Sohee
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. KIM, Myeongsoo
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

Specification

Documents

Application Documents

# Name Date
1 202317065240-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [28-09-2023(online)].pdf 2023-09-28
2 202317065240-STATEMENT OF UNDERTAKING (FORM 3) [28-09-2023(online)].pdf 2023-09-28
3 202317065240-PROOF OF RIGHT [28-09-2023(online)].pdf 2023-09-28
4 202317065240-PRIORITY DOCUMENTS [28-09-2023(online)].pdf 2023-09-28
5 202317065240-POWER OF AUTHORITY [28-09-2023(online)].pdf 2023-09-28
6 202317065240-FORM 1 [28-09-2023(online)].pdf 2023-09-28
7 202317065240-DRAWINGS [28-09-2023(online)].pdf 2023-09-28
8 202317065240-DECLARATION OF INVENTORSHIP (FORM 5) [28-09-2023(online)].pdf 2023-09-28
9 202317065240-COMPLETE SPECIFICATION [28-09-2023(online)].pdf 2023-09-28
10 202317065240-FORM 3 [07-03-2024(online)].pdf 2024-03-07
11 202317065240-FORM 18 [11-07-2025(online)].pdf 2025-07-11