Invention Grant
- Patent Title: Negative electrode for lithium ion secondary battery and method for producing the negative electrode
- Patent Title (中): 锂离子二次电池用负极及其制造方法
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Application No.: US11473149Application Date: 2006-06-23
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Publication No.: US07767341B2Publication Date: 2010-08-03
- Inventor: Yasutaka Kogetsu , Kazuyoshi Honda , Yuuko Ogawa
- Applicant: Yasutaka Kogetsu , Kazuyoshi Honda , Yuuko Ogawa
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2005-184300 20050624
- Main IPC: H01M4/58
- IPC: H01M4/58 ; C01B21/068 ; C01B21/06
Abstract:
A negative electrode for a lithium ion secondary battery including a current collector and an active material layer carried on the current collector, wherein the active material layer includes an active material and no binder, the active material contains silicon and nitrogen, and the active material layer has a larger nitrogen ratio on a side of a first face which is in contact with the current collector than on a side of a second face which is not in contact with the current collector.
Public/Granted literature
- US20060292445A1 Negative electrode for lithium ion secondary battery and method for producing the negative electrode Public/Granted day:2006-12-28
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