Title:
BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2023/085437
Kind Code:
A1
Abstract:
Provided is a battery pack that can suppress deterioration of a battery by suppressing heat generation due to a current flowing through a bus bar, and can improve battery performance by weight reduction. A battery pack 10 has: a first battery 1 to a fourth battery 4 stacked on each other and provided with a positive electrode external terminal 12 and a negative electrode external terminal 13 that has high electroconductivity; and, a busbar 6 for electrically connecting the positive electrode external terminal 12 of the second battery 2 on one side and the negative electrode external terminal 13 of the third battery 3 on the other side, which are arranged side by side adjacent to each other. The bus bar 6 has: a first electroconductive section 6a connected to the positive electrode external terminal 12 of the second battery 2 on the one side; a second electroconductive section 6b connected to the negative electrode external terminal 13 of the third battery 3 on the other side and having a high electroconductivity and a high specific gravity; and, a coupling section 6c for coupling the first electroconductive section 6a and the second electroconductive section 6b. The coupling section 6c is disposed in either a first region that opposes the second battery 2 on the one side or a second region that opposes the third battery 3 on the other side.
Inventors:
TADA AKINORI (JP)
WATAHIKI YOSHITAKA (JP)
SUZUKI TAKAYUKI (JP)
WATAHIKI YOSHITAKA (JP)
SUZUKI TAKAYUKI (JP)
Application Number:
PCT/JP2022/042385
Publication Date:
May 19, 2023
Filing Date:
November 15, 2022
Export Citation:
Assignee:
VEHICLE ENERGY JAPAN INC (JP)
International Classes:
H01M50/522; H01M50/209; H01M50/503; H01M50/505; H01M50/526; H01M50/562; H01M50/571
Foreign References:
| JP6382441B2 | 2018-08-29 | |||
| JP2012515418A | 2012-07-05 | |||
| JP2015008146A | 2015-01-15 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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