US 11,909,059 B2
Battery box
Tianming Chen, Ningde (CN); and Zhiming Chen, Ningde (CN)
Assigned to CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed on Dec. 4, 2020, as Appl. No. 17/112,803.
Application 17/112,803 is a continuation of application No. PCT/CN2020/101483, filed on Jul. 10, 2020.
Claims priority of application No. 201910748287.9 (CN), filed on Aug. 14, 2019.
Prior Publication US 2021/0091437 A1, Mar. 25, 2021
Int. Cl. H01M 50/233 (2021.01); C09J 7/38 (2018.01); C09J 7/10 (2018.01); H01M 50/209 (2021.01); H01M 50/264 (2021.01); H01M 50/229 (2021.01); H01M 50/271 (2021.01); C09J 11/04 (2006.01); C09K 5/14 (2006.01)
CPC H01M 50/233 (2021.01) [C09J 7/10 (2018.01); C09J 7/38 (2018.01); C09J 7/385 (2018.01); C09J 11/04 (2013.01); C09K 5/14 (2013.01); H01M 50/209 (2021.01); H01M 50/229 (2021.01); H01M 50/264 (2021.01); H01M 50/271 (2021.01); C09J 2203/33 (2013.01); C09J 2301/408 (2020.08); C09J 2433/00 (2013.01); C09J 2463/00 (2013.01); C09J 2475/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A battery box, comprising a battery case and a plurality of batteries accommodated in the battery case, wherein the batteries are bonded to an inner wall of the battery case by using an adhesive, a coefficient of thermal expansion of the adhesive is α in units of ppm/° C., a coefficient of thermal conductivity of the adhesive is β in units of W/mK, and a ratio of α and β meets a relation of 1.5≤α/β80, wherein each battery comprises a battery housing and an insulation layer, the battery housing has an outer surface, the outer surface further comprises a first surface on a side of the battery housing, the insulation layer is disposed on the outer surface and has an opening, at least a portion of the first surface is exposed from the insulation layer through the opening and bonded to the inner wall of the battery case by using the adhesive, and the opening is smaller than the first surface in size.