US 12,080,902 B2
Battery module
Yujia Hou, Ningde (CN); Shubing You, Ningde (CN); and Jihua Yao, Ningde (CN)
Assigned to CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed on Mar. 10, 2023, as Appl. No. 18/181,744.
Application 18/181,744 is a continuation of application No. 16/552,272, filed on Aug. 27, 2019, granted, now 11,626,641.
Claims priority of application No. 201920529830.1 (CN), filed on Apr. 18, 2019.
Prior Publication US 2023/0216122 A1, Jul. 6, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 50/204 (2021.01); H01M 50/20 (2021.01); H01M 50/264 (2021.01)
CPC H01M 50/204 (2021.01) [H01M 50/20 (2021.01); H01M 50/264 (2021.01); H01M 2220/20 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A battery module, comprising:
a battery stack comprising a plurality of batteries that are connected to each other;
two end plates respectively disposed at two ends of the battery stack in a direction in which the batteries are stacked; and
a fixing strap surrounding the battery stack and the endplates;
wherein the fixing strap comprises a strap-shaped body and an elastic fixing part,
the strap-shaped body surrounds the battery stack and the two end plates, two ends of the strap-shape body are separated by a gap, and the elastic fixing part connects the two ends of the strap-shaped body to form a closed loop;
wherein the gap is positioned next to a first end plate of the two end plate,
wherein the elastic fixing part is a spring, and two ends of the spring are respectively connected to the two ends of the strap-shaped body;
wherein the fixing strap further comprises a cover plate for covering a side of the spring facing away from the battery stack, and the cover plate is fixedly attached to the first end plate through a connecting mechanism; and
wherein the connecting mechanism comprises two connecting parts, wherein the cover plate comprises an arcuate cover body and two connection portions, the arcuate cover body covers the side of the spring facing away from the battery stack, the connection portions are respectively arranged at a top edge and a bottom edge of the arcuate cover body and are each provided with a fixing hole, and the connecting parts are attached to the first end plate by penetrating the respective fixing holes.