BATTERY PACK
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United States of America Patent
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Issued Date -
Feb 13, 2014
app pub date -
Sep 7, 2011
filing date -
Mar 31, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
In order to provide a battery pack to which a reuse prevention measure is applied in such a way that unit batteries become damaged and useless after the battery pack is disassembled, a battery pack of the present invention is characterized by including a plurality of unit batteries 100 stacked and bonded together with a two-sided adhesive tape 460, the unit batteries 100 including a laminate film casing material on which a fusion-bonding portion is formed to seal an electrode laminated body that includes a sheet positive electrode, a sheet negative electrode, and a separator, and an electrolytic solution, wherein a bonding strength of the two-sided adhesive tape 460 bonding the unit batteries 100 together is larger than a minimum bonding strength of the fusion-bonding portion.
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