US 12,300,828 B2
Battery module and battery pack
Ziyuan Li, Fujian (CN); Yuepan Hou, Fujian (CN); Xingdi Chen, Fujian (CN); Yu Tang, Fujian (CN); Jun Ma, Fujian (CN); and Kaijie You, Fujian (CN)
Assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong (CN)
Filed by CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong (CN)
Filed on Dec. 31, 2020, as Appl. No. 17/139,830.
Application 17/139,830 is a continuation of application No. PCT/CN2019/121031, filed on Nov. 26, 2019.
Claims priority of application No. 201822275004.7 (CN), filed on Dec. 30, 2018.
Prior Publication US 2021/0126310 A1, Apr. 29, 2021
Int. Cl. H01M 50/171 (2021.01); H01M 50/184 (2021.01); H01M 50/198 (2021.01); H01M 50/209 (2021.01); H01M 50/264 (2021.01); H01M 50/533 (2021.01); H01M 50/588 (2021.01); H01M 50/593 (2021.01)
CPC H01M 50/171 (2021.01) [H01M 50/184 (2021.01); H01M 50/209 (2021.01); H01M 50/264 (2021.01); H01M 50/533 (2021.01); H01M 50/588 (2021.01); H01M 50/593 (2021.01); H01M 50/198 (2021.01)] 14 Claims
OG exemplary drawing
 
1. A battery module, comprising:
a plurality of battery cells, the plurality of battery cells being arranged in a horizontal direction;
two insulating members, each insulating member of the two insulating members comprising a first face and a second face, the first face and the second face are connected and bent relative to each other, the first face being located on a side face of the plurality of battery cells, the second face being located on a bottom face of a battery cell that located on a side of the plurality of battery cells in the horizontal direction, and the two insulating members being respectively disposed on two sides of the plurality of battery cells in the horizontal direction; and
a binding strip, the binding strip surrounding the plurality of battery cells and the insulating members;
wherein the battery module further comprises two end plates, the two end plates are respectively disposed at two ends of the plurality of battery cells in the horizontal direction, the end plates are located above the insulating members, and the binding strip surrounds the plurality of battery cells, the two insulating members and the two end plates;
wherein the end plates are provided with a binding strip restraint groove or a binding strip restraint hole;
wherein a battery cell of the plurality of battery cells comprises an electrode assembly and a battery housing, the electrode assembly is accommodated in the battery housing, and the electrode assembly comprises a first electrode sheet, a second electrode sheet, and a diaphragm disposed between the first electrode sheet and the second electrode sheet; and
the electrode assembly is in a winding structure and is flat-shaped, an outer surface of the electrode assembly comprises two flat surfaces, and the two flat surfaces face each other in a vertical direction; or, the electrode assembly is in a laminated structure, and the first electrode sheet, the diaphragm, and the second electrode sheet are stacked in the vertical direction.