Invention Grant
- Patent Title: Negative electrode for alkaline secondary battery, and alkaline secondary battery
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Application No.: US16383048Application Date: 2019-04-12
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Publication No.: US11043664B2Publication Date: 2021-06-22
- Inventor: Toshiki Sato , Jun Ishida , Akira Saguchi , Shota Ohata
- Applicant: FDK CORPORATION
- Applicant Address: JP Tokyo
- Assignee: FDK CORPORATION
- Current Assignee: FDK CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Kinney & Lange, P.A.
- Priority: JPJP2018-077669 20180413
- Main IPC: H01M4/24
- IPC: H01M4/24 ; H01M4/36 ; H01M4/62 ; H01M4/38 ; H01M10/28 ; H01M4/02

Abstract:
A battery comprises an electrode group including a separator, a positive electrode and a negative electrode. The negative electrode comprises a negative electrode core, negative electrode mixture layers retained to the negative electrode core, and a fluorine resin layer disposed on the surface of the negative electrode mixture layers. The negative electrode mixture layers include a first outermost peripheral region located at the outermost periphery of the electrode group and a second outermost peripheral region located opposite to the first outermost peripheral region. When the amount of the fluorine resin constituting a first fluorine resin layer in a portion of the first outermost peripheral region is represented by A, and the amount of the fluorine resin constituting a second fluorine resin layer in a portion of the second outermost peripheral region is represented by B, a relation A>B is satisfied.
Public/Granted literature
- US20190319260A1 NEGATIVE ELECTRODE FOR ALKALINE SECONDARY BATTERY, AND ALKALINE SECONDARY BATTERY Public/Granted day:2019-10-17
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