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US 2004/0175609 A1Published application
Film covered battery and stacked battery assembly
AssigneeNEC Lamilion Energy, Ltd.
InventorsHiroshi Yageta, Makihiro Otohata
Life of this patent
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Abstract
A film covered battery has a battery element, a positive and a negative lead terminal connected to the battery element, and a casing for sealing the lead terminals and the battery element together with an electrolytic solution, with portions of the lead terminals extending therefrom. The casing has a buffer in at least a portion thereof for accumulating a gas generated within the casing through deformation of the casing. The buffer is formed continuously with a region for accommodating the battery element.
Claims10
A film covered battery comprising:
- a battery element having a positive electrode and a negative electrode opposing each other;
- lead terminals connected to said positive electrode and said negative electrode of said battery element, respectively;
- a flexible casing for sealing said battery element and said lead terminals together with an electrolytic solution, said lead terminals partially extending from said casing;
- and
- a buffer formed in at least a portion of said casing for accumulating a gas generated within said casing through deformation of said casing, said buffer being formed continuously with a region in which said battery element is accommodated.
2 more elements
Dependencies are inferred from the claim text.