US 12,074,344 B2
Shaped rechargeable battery electronic interconnect
Hailiang Zhao, Plymouth, MN (US); David Buendorf, Maple Grove, MN (US); Erik J. Hovland, Minnetonka, MN (US); and Vadim A. Yakolev, Brooklyn Park, MN (US)
Assigned to Medtronic, Inc., Minneapolis, MN (US)
Appl. No. 18/010,499
Filed by Medtronic, Inc., Minneapolis, MN (US)
PCT Filed Jun. 25, 2021, PCT No. PCT/US2021/039140
§ 371(c)(1), (2) Date Dec. 15, 2022,
PCT Pub. No. WO2021/263135, PCT Pub. Date Dec. 30, 2021.
Prior Publication US 2023/0253686 A1, Aug. 10, 2023
Int. Cl. H01M 50/536 (2021.01); H01M 50/534 (2021.01); H01M 50/54 (2021.01)
CPC H01M 50/536 (2021.01) [H01M 50/534 (2021.01); H01M 50/54 (2021.01)] 20 Claims
OG exemplary drawing
 
1. An electrochemical cell comprising:
a stack including a plurality of foils;
a plurality of tails, each one of the plurality of tails corresponding to one of the plurality of foils;
a connector having a first end plate and a second end plate and defining a gap therebetween, wherein the plurality of tails are arranged to pass through the gap to form a through tenon;
a first weldment having a first weld type mechanically coupling the first end plate to the second end plate;
a second weldment having a second weld type different than the first weld type, mechanically and electrically coupling the plurality of foils at the plurality of tails.