Abstract
According to one embodiment, a secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and a plurality of current collector tabs extending from the positive electrode and the negative electrode and provided at least one end of the electrode assembly, and an outer case accommodating the electrode assembly. The current collector tabs include a first clamped portion whose tip end is clamped by an insulating cover and an extending portion provided from the first clamped portion toward the one end of the electrode assembly and covered with the insulating cover.
Full Text
What is claimed is:
According to one embodiment, a secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and a plurality of current collector tabs extending from the positive electrode and the negative electrode and provided at least one end of the electrode assembly, and an outer case accommodating the electrode assembly. The current collector tabs include a first clamped portion whose tip end is clamped by an insulating cover and an extending portion provided from the first clamped portion toward the one end of the electrode assembly and covered with the insulating cover.
Timeline
Filed
02/26/2026Published
07/02/2026Granted
Not AvailableIPC Codes(6)
H01M 50/591:Covers
H01M 10/0587:of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
H01M 50/533:characterised by the shape of the leads or tabs