Battery used for small electric devices
AssigneeHitachi Maxell, Ltd.
InventorsHayato Higuchi, Naoto Sugimune, Tohsiya Takaishi, Yoshiki Somatomo
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Abstract
A battery provided with one end of each lead element connected to the positive and negative electrode respectively is drawn out from the can body 3 through a space 6 formed at a surface part of said jointed flange section 32a, 32b and the area of the flange section around the drawing space is sealed by a resin bonding. The battery provided with a new structure which can solve the problems which may be generated in all fields, such as battery shape, attachment property, battery strength, productivity and so on in order to make a thin type battery.
Claims14
A battery which comprises an electrode body made of lamination of a sheet-like positive electrode and a sheet-like negative electrode through a separator, a battery can body comprising a depression provided with a flange portion at a circumference part thereof for accommodating at least a part of said electrode body together with an electrolyte and a metal lid provided with a circumference portion used for sealing an opening of said can body by jointing said flange portion and the corresponding circumference portion thereof,
- wherein one end of each lead element connected to said positive and negative electrode respectively is drawn out from said can body through a space formed at a surface part of said jointed flange section and the area of said flange section around the drawing space is sealed by a resin bonding.
Dependencies are inferred from the claim text.