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Negative Electrode And Secondary Battery
Abstract: The present invention relates to a secondary battery comprising a current collector, a first negative electrode active material layer provided on the current collector, and a second negative electrode active material layer provided on the first negative electrode active material layer, wherein: the first and second negative electrode active material layers comprise a silicon-based active material and natural graphite; the natural graphite has an average particle diameter (D50) of 9µm or less; and the difference between the porosity of the first negative electrode active material layer and the second negative electrode active material layer is 6% or less.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
10 December 2024
Publication Number
05/2025
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. PIAO, Lilin
(LG Energy Solution Research Park), 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
2. LEE, Gyeongseop
(LG Energy Solution Research Park), 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
3. KIM, Minsoo
(LG Energy Solution Research Park), 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
4. KIM, Shulkee
(LG Energy Solution Research Park), 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
5. PARK, Kyutae
(LG Energy Solution Research Park), 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
6. BAEK, Sora
(LG Energy Solution Research Park), 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
7. YOO, Kwang Ho
(LG Energy Solution Research Park), 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
8. JUNG, Wonhee
(LG Energy Solution Research Park), 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202417097464-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [10-12-2024(online)].pdf | 2024-12-10 |
| 2 | 202417097464-STATEMENT OF UNDERTAKING (FORM 3) [10-12-2024(online)].pdf | 2024-12-10 |
| 3 | 202417097464-REQUEST FOR EXAMINATION (FORM-18) [10-12-2024(online)].pdf | 2024-12-10 |
| 4 | 202417097464-PROOF OF RIGHT [10-12-2024(online)].pdf | 2024-12-10 |
| 5 | 202417097464-PRIORITY DOCUMENTS [10-12-2024(online)].pdf | 2024-12-10 |
| 6 | 202417097464-POWER OF AUTHORITY [10-12-2024(online)].pdf | 2024-12-10 |
| 7 | 202417097464-FORM 18 [10-12-2024(online)].pdf | 2024-12-10 |
| 8 | 202417097464-FORM 1 [10-12-2024(online)].pdf | 2024-12-10 |
| 9 | 202417097464-DECLARATION OF INVENTORSHIP (FORM 5) [10-12-2024(online)].pdf | 2024-12-10 |
| 10 | 202417097464-COMPLETE SPECIFICATION [10-12-2024(online)].pdf | 2024-12-10 |
| 11 | 202417097464-FORM 3 [25-04-2025(online)].pdf | 2025-04-25 |