Invention Grant
- Patent Title: Method and apparatus of manufacturing negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery using the negative electrode
- Patent Title (中): 制造非水电解质二次电池用负极的方法和装置以及使用该负极的非水电解质二次电池
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Application No.: US11976959Application Date: 2007-10-30
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Publication No.: US08148018B2Publication Date: 2012-04-03
- Inventor: Hideharu Takezawa
- Applicant: Hideharu Takezawa
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2006-313788 20061121
- Main IPC: H01M4/58
- IPC: H01M4/58

Abstract:
A method of manufacturing a negative electrode for a non-aqueous electrolyte secondary battery includes a step of imparting lithium to a precursor of the negative electrode capable of storing and releasing lithium, by a film forming method in a dry process. In this step, the precursor is brought into contact with a measuring terminal having a non-aqueous electrolyte and a counter electrode. The amount of lithium stored in the precursor is calculated from an open circuit potential of the precursor with respect to the counter electrode. Further, according to the calculated amount of stored lithium, the amount of lithium to be imparted to the precursor is controlled.
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