| abstract |
(57) [Summary] [Problem] Even when applied to a battery with increased capacity, An electrode material for a Li-ion battery, which has no cycle deterioration such as breakage and cracks due to multiple charging and discharging, has an excellent heat dissipation effect, can reduce the heat load of the battery, and can reduce the product cost, and Provide a Li-ion battery used. Kind Code: A1 A metal film formed of a metal having higher mechanical strength than the constituent metal is formed on an end of a band-shaped metal foil. |