Invention Application
- Patent Title: LITHIUM-ION SECONDARY BATTERY AND NEGATIVE ELECTRODE STRUCTURE
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Application No.: US18918089Application Date: 2024-10-17
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Publication No.: US20250132376A1Publication Date: 2025-04-24
- Inventor: Yu-Hsiu Chang , Pei-I Wei , Tsung-Chan Wu
- Applicant: CYNTEC CO., LTD.
- Applicant Address: TW Hsinchu
- Assignee: CYNTEC CO., LTD.
- Current Assignee: CYNTEC CO., LTD.
- Current Assignee Address: TW Hsinchu
- Main IPC: H01M10/0525
- IPC: H01M10/0525 ; H01M4/02 ; H01M4/04 ; H01M4/505 ; H01M4/525 ; H01M4/66 ; H01M10/0568 ; H01M10/0569 ; H01M50/414

Abstract:
A lithium-ion secondary battery is provided in the present disclosure, including a positive electrode with a first current collector and a first active material, a negative electrode, a separator between the positive electrode and the negative electrode, a field electrode at one side of the negative electrode opposite to the positive electrode, and a first insulating layer isolated between the negative electrode and the field electrode.
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