US 12,444,789 B2
Battery pack
Pengfei Zhou, Changzhou (CN); Tinglu Yan, Changzhou (CN); and Lulu Zhang, Changzhou (CN)
Assigned to CALB Co., Ltd., Jiangsu (CN)
Filed by CALB Co., Ltd., Jiangsu (CN)
Filed on Jul. 1, 2022, as Appl. No. 17/855,800.
Claims priority of application No. 202210399830.0 (CN), filed on Apr. 15, 2022.
Prior Publication US 2023/0335833 A1, Oct. 19, 2023
Int. Cl. H01M 10/658 (2014.01); H01M 10/613 (2014.01); H01M 10/653 (2014.01); H01M 10/6568 (2014.01); H01M 10/643 (2014.01); H01M 10/6555 (2014.01); H01M 10/6557 (2014.01); H01M 10/6567 (2014.01); H01M 10/659 (2014.01); H01M 50/213 (2021.01); H01M 50/264 (2021.01)
CPC H01M 10/658 (2015.04) [H01M 10/613 (2015.04); H01M 10/653 (2015.04); H01M 10/6568 (2015.04); H01M 10/643 (2015.04); H01M 10/6555 (2015.04); H01M 10/6557 (2015.04); H01M 10/6567 (2015.04); H01M 10/659 (2015.04); H01M 50/213 (2021.01); H01M 50/264 (2021.01); Y02E 60/10 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A battery pack, comprising an insulating support, a liquid cooling tube, and at least two batteries, wherein the insulating support comprises a heat insulating portion, the heat insulating portion is located between adjacent two of the batteries, at least a part of an outer periphery of each battery is accommodated in the heat insulating portion, and at least a part of the outer periphery of each battery exposed to an outside of the heat insulating portion is in direct contact with the liquid cooling tube,
wherein the liquid cooling tube is bonded and fixed to the batteries, the batteries are bonded and fixed to the heat insulating portion, and the heat insulating portion is bonded and fixed to the liquid cooling tube,
each battery is a cylindrical battery, and a contact area between the liquid cooling tube and a circumferential surface of the cylindrical battery is greater than ¼ of a circumferential surface area of the cylindrical battery and is less than ½ of the circumferential surface area of the cylindrical battery.