Invention Grant
- Patent Title: AA alkaline battery
- Patent Title (中): AA碱性电池
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Application No.: US12335278Application Date: 2008-12-15
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Publication No.: US07897282B2Publication Date: 2011-03-01
- Inventor: Yasuhiko Bito , Fumio Kato , Harunari Shimamura
- Applicant: Yasuhiko Bito , Fumio Kato , Harunari Shimamura
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2008-004674 20080111
- Main IPC: H01M4/42
- IPC: H01M4/42

Abstract:
An AA alkaline battery according to the present invention includes: a positive electrode; a negative electrode; a separator; an alkaline electrolyte; and a negative electrode current collector. The negative electrode contains zinc, indium, and bismuth. The weight of zinc is 4.0 g or more, and the total weight of indium and bismuth is 450 ppm or less with respect to the weight of zinc. The negative electrode current collector contains copper. Tin is provided on at least part of the surface of the negative electrode current collector.
Public/Granted literature
- US20090181307A1 AA ALKALINE BATTERY Public/Granted day:2009-07-16
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