US Patent 7901806 Film-armored battery and method of manufacturing the battery
Patent 7901806 was granted and assigned to NEC Corporation on March, 2011 by the United States Patent and Trademark Office.
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Patent abstract
In a film-packed battery which stores a battery element (9) with packing films (8a, 8b) and sealed by heat-sealing heat-sealed surfaces of the packing films around the battery element, a heat-sealed portion (6) projecting toward a battery element is provided at part of a heat-sealed portion (5), and a gas releasing portion (7) is formed close to the projecting heat-sealed portion. A pressure safety valve for safely releasing a gas to the outside when the gas is generated in the battery is provided without lowering the reliability of the battery.
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US Patent 07901806 Film-armored battery and method of manufacturing the battery US Patent 7901806 Film-armored battery and method of manufacturing the battery
Infobox
Patent Number
0790180600
Patent Number
790180600
Edits on 3 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
079018060
Date of Patent
March 8, 2011
0Patent Application Number
105128440
Date Filed
July 16, 2003
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
079018060
Date of Patent
March 8, 2011
0Patent Application Number
105128440
Date Filed
July 16, 2003
0Official Website
Patent Primary Examiner
Edits on 4 Jun, 2022
Golden AI
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Edits on 7 Dec, 2021
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US Patent 07901806 Film-armored battery and method of manufacturing the battery
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07901806
Date of patent
March 8, 2011
Patent application number
10512844
Date Filed
July 16, 2003
Patent primary examiner
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