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SEPARATOR, PREPARATION METHOD THEREFOR, AND SECONDARY BATTERY AND ELECTRICAL DEVICE RELATED THERETO
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SEPARATOR, PREPARATION METHOD THEREFOR, AND SECONDARY BATTERY AND ELECTRICAL DEVICE RELATED THERETO
PCT NATIONAL PHASE APPLICATION
Published
Filed on 19 November 2024
Abstract
The present application provides a separator, a preparation method therefor, and a secondary battery and an electrical device related thereto. The separator comprises a porous substrate and a coating disposed on at least one surface of the porous substrate, wherein the coating comprises a three-dimensional framework structure and a filler, at least a part of the filler fills the three-dimensional framework structure, and the filler is secondary particles formed by agglomeration of primary particles. The separator provided by the present application has the features of excellent heat resistance, high bonding strength, good electrolyte infiltration and retention characteristics, and the like, so that the secondary battery using the separator can have high energy density, high thermal safety performance, long cycle life, and good rate performance.
Patent Information
| Application ID | 202417089693 |
| Date of Application | 19/11/2024 |
| Publication Number | 48/2024 |
Inventors
| Name | Address | Country | Nationality |
|---|---|---|---|
| XU, Ming | No.2 Xingang Road, Zhangwan Town, Jiaocheng District Ningde, Fujian 352100 | China | China |
| YANG, Jianrui | No.2 Xingang Road, Zhangwan Town, Jiaocheng District Ningde, Fujian 352100 | China | China |
| WEI, Manxiang | No.2 Xingang Road, Zhangwan Town, Jiaocheng District Ningde, Fujian 352100 | China | China |
Applicants
| Name | Address | Country | Nationality |
|---|---|---|---|
| CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED | Level 19, China Building, 29 Queen's Road Central, Central, Central And Western District Hong Kong | China | China |
Documents
| Name | Date |
|---|---|
| 202417089693-FORM-26 [25-11-2024(online)].pdf | 25/11/2024 |
| 202417089693-COMPLETE SPECIFICATION [19-11-2024(online)].pdf | 19/11/2024 |
| 202417089693-DECLARATION OF INVENTORSHIP (FORM 5) [19-11-2024(online)].pdf | 19/11/2024 |
| 202417089693-DRAWINGS [19-11-2024(online)].pdf | 19/11/2024 |
| 202417089693-FIGURE OF ABSTRACT [19-11-2024(online)].pdf | 19/11/2024 |
| 202417089693-FORM 1 [19-11-2024(online)].pdf | 19/11/2024 |
| 202417089693-FORM 18 [19-11-2024(online)].pdf | 19/11/2024 |
| 202417089693-FORM-9 [19-11-2024(online)].pdf | 19/11/2024 |
| 202417089693-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [19-11-2024(online)].pdf | 19/11/2024 |
| 202417089693-REQUEST FOR EARLY PUBLICATION(FORM-9) [19-11-2024(online)].pdf | 19/11/2024 |
| 202417089693-REQUEST FOR EXAMINATION (FORM-18) [19-11-2024(online)].pdf | 19/11/2024 |
| 202417089693-STATEMENT OF UNDERTAKING (FORM 3) [19-11-2024(online)].pdf | 19/11/2024 |
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