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Battery Management System, Battery Pack, Electric Vehicle, And Battery Management Method
Abstract: A battery management system according to the present invention comprises: a swelling detector including at least one sensor for detecting a swelling state of a battery cell; and a control circuit for generating first time-series data of the swelling state, which is repeatedly detected during a charging procedure included in a charging/discharging cycle for the battery cell. The control circuit determines, from the first time-series data, a first amount of change in the swelling state in the charging procedure. The control circuit determines whether the battery cell has an internal short-circuit failure on the basis of the first amount of change.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
19 April 2023
Publication Number
47/2023
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. LEE, Ji-Eun
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
2. CHOI, Young-Eun
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
3. LEE, Eun-Ju
LG Chem Research Park, 188, Munji-ro,
Yuseong-Gu,
Daejeon 34122
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202317028501-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [19-04-2023(online)].pdf | 2023-04-19 |
| 2 | 202317028501-STATEMENT OF UNDERTAKING (FORM 3) [19-04-2023(online)].pdf | 2023-04-19 |
| 3 | 202317028501-PROOF OF RIGHT [19-04-2023(online)].pdf | 2023-04-19 |
| 4 | 202317028501-PRIORITY DOCUMENTS [19-04-2023(online)].pdf | 2023-04-19 |
| 5 | 202317028501-POWER OF AUTHORITY [19-04-2023(online)].pdf | 2023-04-19 |
| 6 | 202317028501-FORM 1 [19-04-2023(online)].pdf | 2023-04-19 |
| 7 | 202317028501-DRAWINGS [19-04-2023(online)].pdf | 2023-04-19 |
| 8 | 202317028501-DECLARATION OF INVENTORSHIP (FORM 5) [19-04-2023(online)].pdf | 2023-04-19 |
| 9 | 202317028501-COMPLETE SPECIFICATION [19-04-2023(online)].pdf | 2023-04-19 |
| 10 | 202317028501.pdf | 2023-05-02 |
| 11 | 202317028501-FORM 3 [11-10-2023(online)].pdf | 2023-10-11 |
| 12 | 202317028501-FORM 3 [01-04-2024(online)].pdf | 2024-04-01 |
| 13 | 202317028501-FORM 18 [15-01-2025(online)].pdf | 2025-01-15 |