US 11,894,577 B2
Pouch cell stack
Matthias Lepiorz, Chemnitz (DE); Moses Ender, Buchs (CH); Klaus Hauser, Schwabmuenchen (DE); Nora Martiny, Herrsching-Breitbrunn (DE); Bernd Ziegler, Schwabmuenchen (DE); Robert Stanger, Kaufbeuren (DE); and Kathrin Sax, Scheuring (DE)
Assigned to Hilti Aktiengesellschaft, Schaan (LI)
Appl. No. 17/053,477
Filed by Hilti Aktiengesellschaft, Schaan (LI)
PCT Filed Jun. 7, 2019, PCT No. PCT/EP2019/064966
§ 371(c)(1), (2) Date Nov. 6, 2020,
PCT Pub. No. WO2019/243086, PCT Pub. Date Dec. 26, 2019.
Claims priority of application No. 18178926 (EP), filed on Jun. 21, 2018.
Prior Publication US 2021/0249741 A1, Aug. 12, 2021
Int. Cl. H01M 50/517 (2021.01); H01M 50/105 (2021.01); H01M 50/211 (2021.01); H01M 50/54 (2021.01); H01M 50/503 (2021.01)
CPC H01M 50/517 (2021.01) [H01M 50/105 (2021.01); H01M 50/211 (2021.01); H01M 50/503 (2021.01); H01M 50/54 (2021.01)] 19 Claims
OG exemplary drawing
 
1. A pouch cell comprising:
a positive contact lug; and
a negative contact lug, by means of which contact lugs electrical contact capable of being with the pouch cell via the negative and positive contact lugs to charge and discharge the pouch cell,
the pouch cell being of planar design and having a flat cell surface extending parallel in relation to the positive contact lug and the negative contact lug;
the positive contact lug having an upper positive connecting element and a lower positive connecting element, the upper and lower positive connecting elements being arranged to extend perpendicularly on opposite sides of the positive contact lug;
the negative contact lug having an upper negative connecting element and a lower negative connecting element, the upper and lower negative connecting elements being arranged on opposite sides of the negative contact lug;
wherein the upper positive, lower positive, upper negative and lower negative connecting elements are designed as plug-in connecting elements or screw-type connecting elements.