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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11450847 B1

PDFFull Text
Date of Patent:
Sep. 20, 2022

Filed:

Nov. 05, 2019

Alkaline electrochemical cells comprising increased zinc oxide levels

Applicant:

Energizer Brands, Llc, St. Louis, MO (US);

Inventors:

Robert P. Johnson, Lakewood, OH (US);

Robert E. Ray, Jr., Strongsville, OH (US);

Weiwei Huang, Westlake, OH (US);

Zhufang Liu, Westlake, OH (US);

Steven J. Limmer, Cleveland, OH (US);

Assignee:

Energizer Brands, LLC, St. Louis, MO (US);

Attorney:

Alston & Bird LLP

Primary Examiner:

Muhammad S Siddiquee

Int. Cl.
CPC ...
H01M 10/26 (2006.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/48 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); H01M 4/38 (2013.01); H01M 4/48 (2013.01); H01M 10/26 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0014 (2013.01); H01M 2300/0085 (2013.01);
Abstract

Alkaline electrochemical cells are provided, wherein dissolved zinc oxide or zinc hydroxide is included at least in the free electrolyte solution, and/or solid zinc oxide or zinc hydroxide is included in the anode, so as to slow formation of a zinc oxide passivation layer on a zinc electrode. Methods for preparing such cells are also provided.

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Johnson, Robert. (2022). Alkaline electrochemical cells comprising increased zinc oxide levels (U.S. Patent No. 11450847). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11450847

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