| 摘要 |
PURPOSE:To improve storage life and electrolyte leakage resistance of a battery by bonding to an outer jacket the surface, which was faced to plating liquid during electroforming, of a cathode current collector except for a terminal with an adhesive comprising a copolymer containing glycidyl methacylate. CONSTITUTION:This alkaline thin battery is consisted of a separator 10, an anode layer 12, a cathode layer 14, an anode current collector 16, and a cathode current collector 18, and an anode and a cathode terminals 20 and 22 are exposed in the center of the current collectors 16 and 18 respectively, then they are heat-sealed with two pieces of outer jacket 24 and 24. The outer jacket 24 consists of three layer laminted film. The surface, which was faced to plating liquid during electroforming and was made rough, of the current collector 18 obtained by forming nickel plating 18b on the both surfaces of iron foil 18a which is made by electroforming is bonded to polyethylene film 24a of the outr jacket 24. Reaction type hot melt adhesive layer 28 of a copolymer containing glycidyl methacrylate is placed in between. |
