US 11,990,636 B2
Power supply device, electric vehicle using same, and power storage device
Hiroyuki Takahashi, Hyogo (JP)
Assigned to SANYO Electric Co., Ltd., Osaka (JP)
Appl. No. 17/630,557
Filed by SANYO Electric Co., Ltd., Osaka (JP)
PCT Filed Jul. 20, 2020, PCT No. PCT/JP2020/028023
§ 371(c)(1), (2) Date Jan. 27, 2022,
PCT Pub. No. WO2021/024771, PCT Pub. Date Feb. 11, 2021.
Claims priority of application No. 2019-145724 (JP), filed on Aug. 7, 2019.
Prior Publication US 2022/0247029 A1, Aug. 4, 2022
Int. Cl. H01M 50/282 (2021.01); B60L 53/60 (2019.01); H01M 10/44 (2006.01); H01M 10/46 (2006.01); H01M 50/209 (2021.01); H01M 50/233 (2021.01); H01M 50/276 (2021.01); H01M 50/278 (2021.01); H02J 7/00 (2006.01)
CPC H01M 50/282 (2021.01) [B60L 53/60 (2019.02); H01M 10/441 (2013.01); H01M 10/46 (2013.01); H01M 50/209 (2021.01); H01M 50/233 (2021.01); H01M 50/276 (2021.01); H01M 50/278 (2021.01); H02J 7/0013 (2013.01); H01M 2220/20 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A power supply device comprising:
a battery assembly including a plurality of battery cells and extended in an extension direction; and
a cover part of an insulating property, the cover part covering one surface extended in the extension direction of the battery assembly, wherein
the cover part includes a plurality of fixtures for fixing the cover part to an upper surface of the battery assembly, the plurality of fixtures being provided in the extension direction, and
the cover part includes a core material made of metal, and further includes resin,
the core material is in a plate shape, and
the core material formed into the plate shape includes, at both ends of the core material, exposed parts that are exposed from the cover part and are extended and fixed to upper surfaces of the pair of end plates.