US 11,811,100 B2
Cell module
Shinya Motokawa, Osaka (JP); Daisuke Kishii, Osaka (JP); Keisuke Shimizu, Osaka (JP); and Akira Takano, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Nov. 7, 2022, as Appl. No. 17/982,069.
Application 17/982,069 is a continuation of application No. 17/158,647, filed on Jan. 26, 2021, granted, now 11,532,860.
Application 17/158,647 is a continuation of application No. 16/333,717, granted, now 10,938,018, issued on Mar. 2, 2021, previously published as PCT/JP2017/040172, filed on Nov. 8, 2017.
Claims priority of application No. 2016-231959 (JP), filed on Nov. 30, 2016.
Prior Publication US 2023/0060668 A1, Mar. 2, 2023
Int. Cl. H01M 50/20 (2021.01); H01M 50/578 (2021.01); H01M 50/30 (2021.01); H01M 50/50 (2021.01); H01M 50/342 (2021.01); H01M 50/213 (2021.01); H01M 50/51 (2021.01); H01M 50/522 (2021.01); H01M 50/593 (2021.01); H01M 50/505 (2021.01); H01M 50/502 (2021.01); H01M 50/572 (2021.01); H01M 50/244 (2021.01); H01M 50/293 (2021.01)
CPC H01M 50/578 (2021.01) [H01M 50/20 (2021.01); H01M 50/213 (2021.01); H01M 50/30 (2021.01); H01M 50/3425 (2021.01); H01M 50/50 (2021.01); H01M 50/502 (2021.01); H01M 50/505 (2021.01); H01M 50/51 (2021.01); H01M 50/522 (2021.01); H01M 50/572 (2021.01); H01M 50/593 (2021.01); H01M 50/244 (2021.01); H01M 50/293 (2021.01); H01M 2200/20 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A cell module comprising:
a plurality of battery cells each including:
a battery element, and
a cell case containing the battery element and having a safety valve at a first end in a height direction, the safety valve being configured to open when an internal pressure inside the cell case reaches or exceeds a predetermined level;
a first current collector plate configured to electrically connect first terminals of the plurality of the battery cells, the first current collector plate including:
a main body overlapping the first end when viewed along the height direction, and
a plurality of leads, wherein each of the plurality of leads electrically connects the main body and a corresponding one of the first terminals of the plurality of battery cells; and
an insulator being made of an insulating material and contacting a first surface of the first current collector plate opposite to a second surface of the first current collector plate facing the plurality of battery cells,
wherein the insulator includes a portion covering a circumference surface of the main body,
wherein the circumference surface of the main body connects to the first surface and the second surface of the first current collector plate, and
wherein the first current collector plate is arranged outside the cell case of each of the plurality battery cells.