Invention Grant
- Patent Title: Anode for lithium secondary battery and lithium secondary battery including the same
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Application No.: US18319931Application Date: 2023-05-18
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Publication No.: US11929495B2Publication Date: 2024-03-12
- Inventor: Hyo Mi Kim , Moon Sung Kim , Sang Baek Ryu , Da Hye Park , Seung Hyun Yook , Hwan Ho Jang , Kwang Ho Jeong , Da Bin Chung , Jun Hee Han
- Applicant: SK On Co., Ltd.
- Applicant Address: KR Seoul
- Assignee: SK ON CO., LTD.
- Current Assignee: SK ON CO., LTD.
- Current Assignee Address: KR Seoul
- Agency: IP & T GROUP LLP
- Priority: KR 20220060746 2022.05.18
- Main IPC: H01M4/38
- IPC: H01M4/38 ; H01M4/133 ; H01M4/134 ; H01M4/36 ; H01M4/587 ; H01M4/62 ; H01M10/0525 ; H01M4/02

Abstract:
In some implementations, the anode includes a current collector, a first anode mixture layer formed on at least one surface of the current collector, and a second anode mixture layer formed on the first anode mixture layer. The first anode mixture layer and the second anode mixture layer include a carbon-based active material, respectively. The first anode mixture layer includes a first binder, a first silicon-based active material, and a first conductive material. The second anode mixture layer includes a second binder, a second silicon-based active material, and a second conductive material. Contents of the first conductive material and the second conductive material are different from each other with respect to the total combined weight of the first anode mixture layer and the second anode mixture layer. Types of the first silicon-based active material and the second silicon-based active material are different from each other.
Public/Granted literature
- US20230378446A1 ANODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Public/Granted day:2023-11-23
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