Title:
SHIM FOR BATTERY PACK, METHOD FOR MANUFACTURING BATTERY PACK, AND BATTERY PACK
Document Type and Number:
Japanese Patent JP2023165248
Kind Code:
A
Abstract:
To make a battery pack of a secondary battery vibration-resistant with a simple configuration.SOLUTION: A shim for a battery pack for performing dimensional coordination in a gap between a battery case 12 and a battery stack 11 in a battery pack 10 in which the battery stack 11 is accommodated in the battery case 12, comprises: contact parts 3a, 3b composed of a pair of plate-like members in contact with an inner wall surface of the battery stack 11 or the battery case 12; a main body part 2 provided between the pair of contact parts 3a, 3b; a first space 6a provided inside the main body part and a second space 6b provided adjacent thereto; and fluid 7 filled into the spaces. The first space 6a and the second space 6b are communicated with each other through a gap 5 that is a narrowed structure. The fluid 7 filled into the first space 6a and the second space 6b is movable between the adjacent spaces through the gap 5 according to a force applied to the contact part 3b.SELECTED DRAWING: Figure 6
Inventors:
WATAKABE HIROYUKI
Application Number:
JP2022076073A
Publication Date:
November 15, 2023
Filing Date:
May 02, 2022
Export Citation:
Assignee:
PRIMEARTH EV ENERGY CO LTD
International Classes:
H01M50/262; H01M50/291; H01M50/293
Attorney, Agent or Firm:
Yasuhisa Nakajima