SECONDARY BATTERY

摘要

Secondary battery 100 comprises: battery electrode assembly (electrode laminate) 4 that includes positive electrodes 1 and negative electrodes 2 that overlap each other with separator 3 interposed therebetween; and conductive adhesive tape 5 which has a multilayer structure including adhesive layer 5a and conductive layer 5b, wherein adhesive layer 5a has conductivity and adhesiveness and adheres to a surface of battery electrode assembly 4, conductive layer 5b is laminated on adhesive layer 5a, and conductive adhesive tape 5 has electric resistance of 1.0 /cm2 or less in a thickness direction and covers at least a part of an outer peripheral portion of battery electrode assembly 4 by being wound around said part.

主权项

1. A secondary battery comprising:
a battery electrode assembly that includes positive electrodes and negative electrodes that overlap each other with a separator interposed therebetween; and a conductive adhesive tape which has a multilayer structure including an adhesive layer and a conductive layer, wherein the adhesive layer has conductivity and adhesiveness and adheres to a surface of said battery electrode assembly, the conductive layer is laminated on said adhesive layer, and the conductive adhesive tape has electric resistance of 1.0 Ω/cm2 or less in a thickness direction and covers at least a part of an outer peripheral portion of said battery electrode assembly by being wound around said part.