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US 2025/0201989 A1Published application
Alkaline battery, and method for manufacturing gasket for alkaline battery
AssigneeFdk Corporation
InventorHiroyuki Shibaoka
Life of this patent
Estimating the term…
Abstract
This nickel hydrogen secondary battery 2 comprises an outer can 10 having an opening on the upper edge thereof, an electrode group 22 accommodated together with an alkaline liquid electrolyte within the outer can 10, and a sealing body 11 secured by crimping to the opening portion of the outer can 10 with a gasket 12 interposed therebetween, the gasket 12 containing a polyamide resin having a weight-average molecular weight of 40,000 or greater.
Claims14
An alkaline battery comprising:
- an outer can that includes an opening at an upper end thereof;
- an electrode group that is accommodated in the outer can together with an alkaline electrolyte;
- and
- a sealing body that is crimped and fixed to the opening of the outer can via a gasket, wherein
- the gasket includes a polyamide resin having a weight average molecular weight of 40,000 or more.
2 more elements
A method for producing a gasket for an alkaline battery, the method comprising:
- forming the gasket through recycling a gasket waste material that includes a polyamide resin having a weight average molecular weight of 40,000 or more.
Dependencies are inferred from the claim text.