Invention Grant
- Patent Title: Lead-acid battery
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Application No.: US16336932Application Date: 2017-09-15
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Publication No.: US11424452B2Publication Date: 2022-08-23
- Inventor: Hiroki Kagohashi , Ikumi Motoi
- Applicant: GS Yuasa International Ltd.
- Applicant Address: JP Kyoto
- Assignee: GS Yuasa International Ltd.
- Current Assignee: GS Yuasa International Ltd.
- Current Assignee Address: JP Kyoto
- Agency: Rankin, Hill & Clark LLP
- Priority: JPJP2016-193616 20160930
- International Application: PCT/JP2017/033503 WO 20170915
- International Announcement: WO2018/061832 WO 20180405
- Main IPC: H01M4/62
- IPC: H01M4/62 ; H01M4/14 ; H01M10/06 ; H01M4/02
Abstract:
The organic expander in a negative electrode material of a lead-acid battery contains an S polymer having an aromatic ring and an L polymer having an aromatic ring, and a mass MS1 of the S polymer and a mass ML1 of the L polymer satisfy 0.05≤ML1/(ML1+MS1)≤0.15.
Public/Granted literature
- US20190267629A1 LEAD-ACID BATTERY Public/Granted day:2019-08-29
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