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US Patent 11450847 Alkaline electrochemical cells comprising increased zinc oxide levels

Patent 11450847 was granted and assigned to Energizer on September, 2022 by the United States Patent and Trademark Office.

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Patent Applicant

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Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Robert E. Ray, Jr.0

Robert P. Johnson0

Steven J. Limmer0

Weiwei Huang0

Zhufang Liu0

Date of Patent

September 20, 2022

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Patent Application Number

166748280

Date Filed

November 5, 2019

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Patent Citations

US Patent 10541450 Alkaline secondary battery

Patent Citations Received

US Patent 12126014 Alkaline electrochemical cells comprising increased zinc oxide levels

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Patent Primary Examiner

Muhammad S Siddiquee

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CPC Code

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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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