US Patent 7785740 Overcharge protection for electrochemical cells
Patent 7785740 was granted and assigned to AIR PRODUCTS AND CHEMICALS, INC. on August, 2010 by the United States Patent and Trademark Office.
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Patent abstract
The invention relates to an improvement in a cell which is normally susceptible to damage from overcharging comprised of a negative electrode, a positive electrode, and an electrolyte comprised of an overcharge protection salt carried in a carrier or solvent. Representative overcharge protection salts are embraced by the formula:MaQwhere M is an electrochemically stable cation selected from the group consisting of alkali metal, alkaline earth metal, tetraalkylammonium, or imidazolium groups, and Q is a borate or heteroborate cluster and a is the integer 1 or 2.
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US Patent 07785740 Overcharge protection for electrochemical cells US Patent 7785740 Overcharge protection for electrochemical cells
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Patent Number
0778574000
Patent Number
778574000
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
077857400
Date of Patent
August 31, 2010
0Patent Application Number
110978100
Date Filed
April 1, 2005
0Official Website
Patent Primary Examiner
Edits on 25 Sep, 2022
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
077857400
Date of Patent
August 31, 2010
0Patent Application Number
110978100
Date Filed
April 1, 2005
0Official Website
Patent Primary Examiner
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US Patent 07785740 Overcharge protection for electrochemical cells
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07785740
Date of patent
August 31, 2010
Patent application number
11097810
Date Filed
April 1, 2005
Patent primary examiner
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