US 12,294,104 B2
Vent housing for advanced batteries
Robert J. Mack, Milwaukee, WI (US); and William M. Cavanaugh, Sussex, WI (US)
Assigned to CPS Technology Holdings LLC, New York, NY (US)
Filed by CPS Technology Holdings LLC, New York, NY (US)
Filed on Nov. 20, 2023, as Appl. No. 18/514,036.
Application 18/514,036 is a division of application No. 17/319,623, filed on May 13, 2021, granted, now 11,824,219, issued on Nov. 21, 2023.
Application 15/915,056 is a division of application No. 14/339,357, filed on Jul. 23, 2014, granted, now 9,947,908, issued on Apr. 17, 2018.
Application 17/319,623 is a continuation of application No. 16/887,453, filed on May 29, 2020, granted, now 11,011,736, issued on May 18, 2021.
Application 16/887,453 is a continuation of application No. 15/915,056, filed on Mar. 7, 2018, granted, now 10,714,720, issued on Jul. 14, 2020.
Claims priority of provisional application 61/858,355, filed on Jul. 25, 2013.
Prior Publication US 2024/0088511 A1, Mar. 14, 2024
Int. Cl. H01M 50/308 (2021.01); H01M 50/30 (2021.01); H01M 50/317 (2021.01); H01M 50/367 (2021.01); H01M 50/342 (2021.01)
CPC H01M 50/308 (2021.01) [H01M 50/30 (2021.01); H01M 50/317 (2021.01); H01M 50/367 (2021.01); H01M 50/394 (2021.01); H01M 50/342 (2021.01); H01M 2220/20 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A battery module comprising:
a housing having a first housing portion and a second housing portion coupled to the first housing portion, the first and second housing portions forming a sealed cavity defining a volume;
a plurality of electrochemical cells provided in the volume, each of the plurality of electrochemical cells including a respective vent, the respective vent to enable a release of a gas into the volume when an internal pressure of a corresponding respective electrochemical cell of the plurality of electrochemical cells reaches a threshold;
a ventilation vent coupled with the housing and in fluid communication with the volume, the ventilation vent comprising a plurality of openings and a cover including a gas-selective permeability region; and
a burst vent coupled with the housing and in fluid communication with the volume, the burst vent including a valve having a first valve portion and a second valve portion.