US Patent 7517607 Lithium ion secondary battery
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Patent Inventor Names
Jun Ho Kim0
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Patent abstract
A lithium ion secondary battery in which a safety vent as a safety device for a swelling phenomenon functions under a low pressure. A notch is formed in an inner surface of a large-area wall of the secondary battery, and an auxiliary notch is formed in an outer surface to correspond to the notch formed in the inner surface.
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US Patent 07517607 Lithium ion secondary battery US Patent 7517607 Lithium ion secondary battery
Infobox
Patent Number
075176070
Patent Number
75176070
Edits on 23 Sep, 2022
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Patent Jurisdiction
Patent Number
075176070
Date of Patent
April 14, 2009
0Patent Application Number
109657340
Date Filed
October 18, 2004
0Official Website
Patent Primary Examiner
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US Patent 07517607 Lithium ion secondary battery
Infobox
Is a
Patent jurisdiction
Patent number
07517607
Date of patent
April 14, 2009
Patent application number
10965734
Date Filed
October 18, 2004
Patent primary examiner
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