| 摘要 |
PROBLEM TO BE SOLVED: To improve the mechanical strength of a bonding part of a terminal member by forming an electrode terminal member, while weaving lead wires into a vertical net having a longitudinal axis in the longitudinal director crossing the cross direction, in parallel with a connection part of a longitudinal one end and an electrode material. SOLUTION: A layered material of a positive electrode material 2 and a negative electrode material laminated through separator, made of the polymer including the gel-like electrolyte and formed by fitting the positive electrode material and the negative electrode material onto a strip positive electrode collector and a strip negative electrode collector, is sealed by a laminating material in a condition such that tips 8a, 9a of a positive electrode terminal member and a negative electrode terminal member 8, 9 connected to the layered structure are exposed. The positive electrode and the negative electrode terminal members 8, 9 are preferably formed into a vertical net by weaving narrow lead wires 10 of Ni or the like having a diameter at 50-300 μm at 30-90 degrees in crossing angle in the longitudinal direction, and quantity of the lead wire 10 to be used becomes larger than the case of a lateral net. Consequently, the cross-sectional area of the whole conductor becomes large, and since the deterioration of the welding strength to the laminate material 7 is prevented, strength in the tensile direction is improved. Moreover, the width is preferably set at 3 mm or more and less than half the width of the battery main body 1a. |
