Invention Grant
- Patent Title: Cathode for secondary battery and method for manufacturing same
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Application No.: US17496585Application Date: 2021-10-07
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Publication No.: US12230779B2Publication Date: 2025-02-18
- Inventor: Dong Hoon Lee , Min Hwan Kim , Jung Min Yang
- Applicant: SK INNOVATION CO., LTD.
- Applicant Address: KR Seoul
- Assignee: SK INNOVATION CO., LTD.
- Current Assignee: SK INNOVATION CO., LTD.
- Current Assignee Address: KR Seoul
- Agency: IP & T GROUP LLP
- Priority: KR10-2020-0142435 20201029
- Main IPC: H01M4/04
- IPC: H01M4/04 ; H01M4/02

Abstract:
Proposed is a cathode for a secondary battery, which includes a cathode collector and a cathode mixture layer on the cathode collector, includes: a coating section at which the cathode mixture layer is formed with a uniform thickness; a non-coating section that is disposed on at least one edge of the coating section on the cathode collector and at which the cathode mixture layer is not formed; and a cushioning section at which the cathode mixture layer is formed with a thickness smaller than a thickness of the coating section at a location between the coating section and the non-coating section.
Public/Granted literature
- US20220140303A1 CATHODE FOR SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME Public/Granted day:2022-05-05
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