Power storage device
The energy storage device addresses the issue of airtightness loss by covering the terminal end face with an insulating member, enhancing reliability by preventing gas ingress and maintaining airtightness.
JP2025166386APending Publication Date: 2025-11-06GS YUASA CORP
Patent Information
- Application Number
- JP2024070377
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-11-06
Smart Images

Figure 2025166386000001_ABST
Abstract
To provide a power storage device with improved reliability.SOLUTION: A power storage device includes an exterior body 10, an external terminal 90 fixed to a wall portion 21 of the exterior body, and an insulating member 100 incorporated into the wall portion, and the external terminal includes a connection portion 91 exposed to the outside of the exterior body and a terminal end portion 95 incorporated into the wall portion, the terminal end portion has end faces 96, 97 facing the inside of the exterior body, the wall portion has a first opening 22 located closer to the inside of the exterior body than the end faces, and the insulating member includes a first portion 110 covering the end faces inside the first opening.SELECTED DRAWING: Figure 4
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Citation Information
Patent Citations
Sealed lead acid battery
JP1997237615A