LITHIUM-ION SECONDARY BATTERY AND PREPARATION METHOD THEREOF
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United States of America Patent
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Jun 30, 2016
app pub date -
Dec 16, 2015
filing date -
Dec 29, 2014
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Abstract
The present application discloses a lithium-ion secondary battery. By using an adhesive containing an active group in a positive electrode and/or a negative electrode, and using a coupling agent solution containing an amino or epoxy group to treat the surface of a separator, an interface between the separator and an electrode react chemically to be connected with a covalent bond, thus improving the deformation of the lithium-ion secondary battery during a cycle.
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