Cylindrical battery
JP7874976B2Active Publication Date: 2026-06-17FDK CORP
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- FDK CORP
- Filing Date
- 2022-02-17
- Publication Date
- 2026-06-17
AI Technical Summary
Benefits of technology
【0009】 本願の開示する筒型電池の一態様によれば、ゲルつまりが生じにくくなる。
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Abstract
To prevent gel clogging.SOLUTION: A cylindrical battery according to an embodiment has a cylindrical battery can and a gasket member that seals an opening of the battery can. The gasket member has: a cylindrical support portion that supports a current collector rod provided inside the battery can; an outer peripheral portion that is supported by the battery can; an annular pressure release valve that is formed around the support portion; a pressure release valve that is formed around the support portion; an annular intermediate portion that is formed between the pressure release valve and the outer peripheral portion; and a plurality of grooves that are formed radially toward the outer peripheral portion in the intermediate portion. The plurality of grooves have at least two types of grooves having different shapes.SELECTED DRAWING: Figure 1
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