US Patent 7943254 Anode and battery
Patent 7943254 was granted and assigned to Sony on May, 2011 by the United States Patent and Trademark Office.
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Patent abstract
An anode capable of relaxing the stress concentration and improving the characteristics and a battery using it are provided. The anode includes an anode current collector and an anode active material layer containing silicon (Si) as an element, wherein an anode active material layer has a metal element increasing and decreasing region in which a metal element is contained as an element, and a concentration of the metal element is increased and then decreased in a thickness direction.
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US Patent 07943254 Anode and battery US Patent 7943254 Anode and battery
Infobox
Patent Number
0794325400
Patent Number
794325400
Edits on 31 Mar, 2023
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
079432540
Date of Patent
May 17, 2011
0Patent Application Number
116848710
Date Filed
March 12, 2007
0Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
079432540
Date of Patent
May 17, 2011
0Patent Application Number
116848710
Date Filed
March 12, 2007
0Patent Primary Examiner
Edits on 7 Dec, 2021
Golden AI
Edits made to:
Infobox (+8 properties)
US Patent 07943254 Anode and battery
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07943254
Date of patent
May 17, 2011
Patent application number
11684871
Date Filed
March 12, 2007
Patent primary examiner
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