US 12,438,160 B2
Electrochemical cell with improved high-rate discharge performance
Weiwei Huang, Westlake, OH (US); and Frank J. Kerosky, North Olmsted, OH (US)
Assigned to Energizer Brands, LLC, St. Louis, MO (US)
Filed by ENERGIZER BRANDS, LLC, St. Louis, MO (US)
Filed on Dec. 7, 2022, as Appl. No. 18/062,820.
Application 18/062,820 is a continuation of application No. 16/454,991, filed on Jun. 27, 2019, granted, now 11,552,304.
Prior Publication US 2023/0107553 A1, Apr. 6, 2023
Int. Cl. H01M 6/04 (2006.01); H01M 4/02 (2006.01); H01M 4/06 (2006.01); H01M 4/24 (2006.01); H01M 4/66 (2006.01); H01M 4/74 (2006.01); H01M 4/75 (2006.01); H01M 4/78 (2006.01); H01M 6/02 (2006.01)
CPC H01M 6/04 (2013.01) [H01M 4/06 (2013.01); H01M 4/244 (2013.01); H01M 4/661 (2013.01); H01M 4/663 (2013.01); H01M 4/667 (2013.01); H01M 4/742 (2013.01); H01M 4/75 (2013.01); H01M 4/78 (2013.01); H01M 6/02 (2013.01); H01M 6/045 (2013.01); H01M 2004/025 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0014 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An alkaline electrochemical cell comprising:
a container;
an anode positioned within the container and defining an opening therein, wherein the anode comprises a zinc active material;
an inner cathode positioned within the opening of the anode, wherein the inner cathode comprises a manganese oxide active material;
wherein the inner cathode is at least substantially rectangular and has an at least substantially uniform composition across an entire width of the inner cathode; and
a cathode current collector comprising a conducting tube positioned within the inner cathode, wherein the cathode current collector is electrically connected with a positive terminal of the electrochemical cell; and
a separator positioned between the anode and the inner cathode.