COLLECTOR, ELECTRODE STRUCTURE, NONAQUEOUS ELECTROLYTE BATTERY, AND ELECTRICAL STORAGE DEVICE
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United States of America Patent
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Issued Date -
Oct 23, 2014
app pub date -
Jul 27, 2012
filing date -
Jul 29, 2011
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Abstract
A current collector with improved electrochemical stability having a conductive resin layer formed thereon is provided. The current collector 3 of the present embodiment is structured by forming a conductive resin layer 1 on at least one side of a conductive substrate 2. Here, the conductive resin layer 1 contains an acryl-based resin or a soluble nitrocellulose-based resin, and a conductive material. The current collector 3 has a maximum current response of 10 μA/cm2 or lower, when the current response is measured under conditions that the current collector is placed in a nonaqueous electrolyte solution at an electrode potential of +3V to +4.5V versus a lithium reference electrode.
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