Title:
BATTERY PACK
Document Type and Number:
Japanese Patent JP2023070485
Kind Code:
A
Abstract:
To improve a short-circuit resistance of a single cell.SOLUTION: A battery pack includes: a single cell; and a restraint member. The single cell includes an electrode laminate. The electrode laminate includes a positive electrode, a separator, and a negative electrode. The separator is interposed between the positive electrode and the negative electrode. The restraint member applies a restraint weight to the electrode laminate. The restraint weight is applied to a thickness direction of the electrode laminate. A breaking elongation, the restraint weight, and an opposite area of the separator satisfy a specific relationship.SELECTED DRAWING: Figure 2
Inventors:
KOMURA SHINGO
MIYOSHI MANABU
MIYOSHI MANABU
Application Number:
JP2021182691A
Publication Date:
May 19, 2023
Filing Date:
November 09, 2021
Export Citation:
Assignee:
TOYOTA MOTOR CORP
TOYOTA IND CORP
TOYOTA IND CORP
International Classes:
H01M50/262
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office
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