US 11,757,088 B2
Alkaline electrochemical cell with improved anode and separator components
M. Edgar Armacanqui, Madison, WI (US); Andrew J. Roszkowski, Waunakee, WI (US); Casey Imhoff, Middleton, WI (US); Donald Raymond Crowe, Dodgeville, WI (US); Matthew Evans, Stoughton, WI (US); John Hadley, Madison, WI (US); Matthew Hennek, Stoughton, WI (US); Tim F. Turba, Neenah, WI (US); and Enqing Zhu, Verona, WI (US)
Assigned to Energizer Brands, LLC, St. Louis, MO (US)
Filed by Energizer Brands, LLC, St. Louis, MO (US)
Filed on Jan. 24, 2020, as Appl. No. 16/752,312.
Application 16/752,312 is a division of application No. 15/626,601, filed on Jun. 19, 2017, granted, now 10,693,125.
Claims priority of provisional application 62/352,243, filed on Jun. 20, 2016.
Prior Publication US 2020/0161637 A1, May 21, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 4/24 (2006.01); H01M 6/08 (2006.01); H01M 50/44 (2021.01); H01M 50/429 (2021.01); H01M 50/469 (2021.01); H01M 4/42 (2006.01); H01M 10/24 (2006.01); H01M 10/26 (2006.01); H01M 10/28 (2006.01); H01M 4/02 (2006.01); H01M 50/414 (2021.01); H01M 50/417 (2021.01); H01M 50/423 (2021.01); H01M 50/426 (2021.01)
CPC H01M 4/244 (2013.01) [H01M 4/42 (2013.01); H01M 6/085 (2013.01); H01M 10/24 (2013.01); H01M 10/26 (2013.01); H01M 10/28 (2013.01); H01M 50/4295 (2021.01); H01M 50/44 (2021.01); H01M 50/469 (2021.01); H01M 50/414 (2021.01); H01M 50/417 (2021.01); H01M 50/423 (2021.01); H01M 50/426 (2021.01); H01M 50/429 (2021.01); H01M 2004/021 (2013.01); H01M 2004/023 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0014 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A separator for use in an electrochemical cell, said separator comprising:
a non-conductive, porous material formed into a cylinder and having an open end and an integrally formed closed end disposed distally to the open end, said closed end comprising multiple pleats folded inward;
wherein:
the separator has a single layer wound twice and has a dry thickness of about 0.205 mm to about 0.245 mm.