US 11,735,784 B2
Rechargeable battery
Stefan Gaigg, Gmunden (AT); and Franz Poehn, Pettenbach (AT)
Assigned to AUDI Aktiengesellschaft, Ingolstadt (DE); and Miba eMobility GmbH, Laakirchen (AT)
Appl. No. 15/733,952
Filed by AUDI Aktiengesellschaft, Ingolstadt (DE); and Miba eMobility GmbH, Laakirchen (AT)
PCT Filed Jun. 7, 2019, PCT No. PCT/AT2019/060191
§ 371(c)(1), (2) Date Dec. 1, 2020,
PCT Pub. No. WO2019/237139, PCT Pub. Date Dec. 19, 2019.
Claims priority of application No. A 50475/2018 (AT), filed on Jun. 12, 2018.
Prior Publication US 2021/0234212 A1, Jul. 29, 2021
Int. Cl. H01M 10/6556 (2014.01); H01M 10/613 (2014.01); H01M 10/625 (2014.01); H01M 10/647 (2014.01); H01M 10/65 (2014.01); H01M 10/653 (2014.01); H01M 10/6568 (2014.01); H01M 50/121 (2021.01); H01M 50/271 (2021.01); H01M 50/293 (2021.01)
CPC H01M 10/6556 (2015.04) [H01M 10/613 (2015.04); H01M 50/121 (2021.01); H01M 50/271 (2021.01); H01M 50/293 (2021.01)] 11 Claims
OG exemplary drawing
 
1. A rechargeable battery comprising:
at least one storage module for electrical energy; and
at least one cooling device for cooling or controlling the temperature of the at least one storage module;
wherein the cooling device has a single-layer or multi-layer film and is lying with this film against the at least one storage module;
wherein the single-layer or multi-layer film forms multiple coolant channels;
wherein liquid-tight seams are formed between the coolant channels;
wherein the cooling device has an inner surface and an outer surface opposite the inner surface;
wherein the inner surface borders the coolant channels;
wherein the cooling device is provided with at least one stiffening element;
wherein the stiffening element is an at least concavely and/or convexly curved surface element arranged partially distanced from the single-layer or multi-layer film, forming an intermediate space between the outer surface and the stiffening element; and
wherein the stiffening element is provided with beadings forming seam support elements for liquid-tight seams of the single-layer or multi-layer film.