Title:
BATTERY PACK, ELECTRIC TOOL, AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2022/118732
Kind Code:
A1
Abstract:
The present invention effectively cools a battery in which the temperature has become high. A battery pack having: an outer packaging case; batteries; a battery holder; and a heat absorption part, wherein the heat absorption part is configured so as to absorb heat by undergoing a phase change, the battery holder has a first battery holder retaining electrode parts of the batteries, and a second battery holder surrounding body sections of the batteries, the second battery holder has a pool part, and the heat absorption part is accommodated in the pool part.
Inventors:
SUGIYAMA MASAAKI (JP)
Application Number:
PCT/JP2021/043219
Publication Date:
June 09, 2022
Filing Date:
November 25, 2021
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M10/613; H01M10/6235; H01M10/625; H01M10/643; H01M10/658; H01M10/659; H01M50/20
Domestic Patent References:
| WO2011064956A1 | 2011-06-03 |
Foreign References:
| JP2006107774A | 2006-04-20 | |||
| JP2019085452A | 2019-06-06 |
Attorney, Agent or Firm:
SUGIURA PATENT OFFICE et al. (JP)
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