Cable-type secondary battery
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United States of America Patent
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Sep 22, 2015
Grant Date -
Dec 25, 2014
app pub date -
Sep 11, 2014
filing date -
May 7, 2013
priority date (Note) -
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Abstract
The present disclosure provides a cable-type secondary battery, comprising: an inner electrode supporter; and a sheet-form laminate of inner electrode-separation layer-outer electrode, spirally wound on the outer surface of the inner electrode supporter, wherein the laminate of inner electrode-separation layer-outer electrode is formed by carrying out compression for the integration of an inner electrode, a separation layer for preventing a short circuit, and an outer electrode. In the cable-type secondary battery of the present disclosure, since the electrodes and the separation layer are adhered to each other and integrated, the separation layer coming into contact with the electrodes absorbs an electrolyte solution to induce the uniform supply of the electrolyte solution into the outer electrode active material layer, thereby enhancing the stability and performances of the cable-type secondary battery.
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