Title:
VEHICLE BATTERY UNIT
Document Type and Number:
WIPO Patent Application WO/2023/153495
Kind Code:
A1
Abstract:
Provided is a vehicle battery unit comprising: a battery module including a battery cell stack in which a plurality of chargeable/dischargeable battery cells are stacked; a housing case in which a housing space is formed with the battery module housed therein, the housing case consisting of an upper case and a lower case; a flow path-forming plate that forms a plate-like refrigerant flow path for cooling the battery module with a liquid refrigerant from the back surface of the bottom portion of the lower case, the refrigerant flow path having a flow area corresponding to an area of 90% or more of the back surface of the bottom portion of the lower case, the flow path-forming plate having a predetermined flow path interval maintained from the bottom portion of the lower case; a refrigerant supply nozzle that supplies the liquid refrigerant across 90% or more of the flow path width of the plate-like refrigerant flow path; a liquid refrigerant supply header that supplies the liquid refrigerant to the refrigerant supply nozzle; and a liquid refrigerant discharge header that discharges the liquid refrigerant from the plate-like refrigerant flow path.
Inventors:
KUBO TATSUHIRO (JP)
KAWACHI TAKESHI (JP)
ITO YASUNORI (JP)
NOMURA NARUHIKO (JP)
KAWACHI TAKESHI (JP)
ITO YASUNORI (JP)
NOMURA NARUHIKO (JP)
Application Number:
PCT/JP2023/004526
Publication Date:
August 17, 2023
Filing Date:
February 10, 2023
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
H01M10/6556; B60K1/04; B60K11/04; H01M10/613; H01M10/617; H01M10/625; H01M10/643; H01M10/647; H01M10/6568
Domestic Patent References:
| WO2019230325A1 | 2019-12-05 | |||
| WO2021235716A1 | 2021-11-25 | |||
| WO2020213673A1 | 2020-10-22 |
Foreign References:
| JP2020035709A | 2020-03-05 | |||
| JP2014203535A | 2014-10-27 | |||
| JP2021064448A | 2021-04-22 | |||
| US20180205125A1 | 2018-07-19 |
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
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