| 摘要 |
PROBLEM TO BE SOLVED: To provide a polymer lithium secondary battery having high capacity and high volume energy density. SOLUTION: This battery is characterized by being provided with a power generation element in which two or more fundamental units 1 each having a structure composed by laminating a positive electrode collector 2, a positive electrode layer 3, an electrolyte layer 4, a negative electrode layer 5, a negative electrode collector 6, the negative electrode layer 5, the electrolyte layer 4 and the positive electrode layer 3 in this order are so laminated that the positive electrode collector 2 of one fundamental unit 1 is adjacent to the positive electrode layer 3 of another fundamental unit 1; which has a structure wherein a positive electrode collector 7 is laminated on the positive electrode layer 3 located on the outermost layer of the layered product comprising the two or more fundamental units 1; and in which the positive and negative electrode layers 3, 5, the positive and negative electrode collectors 2, 6 and the electrolyte layers 4 are bonded together. |
