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Method For Detecting Metal Impurities In Electrode Active Material
Abstract: The present invention relates to a method for detecting metal impurities in an electrode active material, the method comprising: a first step of mixing an electrode active material with a nitric acid aqueous solution to form a metal impurity extraction solution; a second step of selectively precipitating the metal impurities in the metal impurity extraction solution to obtain a precipitate; and a third step of measuring the amount of the metal impurities in the precipitate.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
30 July 2025
Publication Number
36/2025
Publication Type
INA
Invention Field
PHYSICS
Status
Email
Parent Application
Applicants
LG ENERGY SOLUTION, LTD.
Tower 1, 108, Yeoui-daero
Yeongdeungpo-gu
Seoul 07335
Inventors
1. CHO, A Ra
LG Energy Solution Research Park, 188, Munji-ro
Yuseong-gu
Daejeon 34122
2. KIM, Sang Woo
LG Energy Solution Research Park, 188, Munji-ro
Yuseong-gu
Daejeon 34122
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202517072417-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [30-07-2025(online)].pdf | 2025-07-30 |
| 2 | 202517072417-STATEMENT OF UNDERTAKING (FORM 3) [30-07-2025(online)].pdf | 2025-07-30 |
| 3 | 202517072417-REQUEST FOR EXAMINATION (FORM-18) [30-07-2025(online)].pdf | 2025-07-30 |
| 4 | 202517072417-PROOF OF RIGHT [30-07-2025(online)].pdf | 2025-07-30 |
| 5 | 202517072417-POWER OF AUTHORITY [30-07-2025(online)].pdf | 2025-07-30 |
| 6 | 202517072417-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [30-07-2025(online)].pdf | 2025-07-30 |
| 7 | 202517072417-FORM 18 [30-07-2025(online)].pdf | 2025-07-30 |
| 8 | 202517072417-FORM 1 [30-07-2025(online)].pdf | 2025-07-30 |
| 9 | 202517072417-DRAWINGS [30-07-2025(online)].pdf | 2025-07-30 |
| 10 | 202517072417-DECLARATION OF INVENTORSHIP (FORM 5) [30-07-2025(online)].pdf | 2025-07-30 |
| 11 | 202517072417-COMPLETE SPECIFICATION [30-07-2025(online)].pdf | 2025-07-30 |
| 12 | 202517072417-MARKED COPIES OF AMENDEMENTS [31-07-2025(online)].pdf | 2025-07-31 |
| 13 | 202517072417-FORM 13 [31-07-2025(online)].pdf | 2025-07-31 |
| 14 | 202517072417-AMMENDED DOCUMENTS [31-07-2025(online)].pdf | 2025-07-31 |