Power storage device comprising solid electrolyte layer over active material and second electrolyte and method of manufacturing the same
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United States of America Patent
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Sep 30, 2014
Grant Date -
Dec 15, 2011
app pub date -
Jun 8, 2011
filing date -
Jun 14, 2010
priority date (Note) -
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Abstract
An object is to provide a power storage device with improved cycle characteristics and a method of manufacturing the power storage device. Another object is to provide an application mode of the power storage device for which the above power storage device is used. In the method of manufacturing the power storage device, an active material layer is formed over a current collector, a solid electrolyte layer is formed over the active material layer after a natural oxide film over the active material layer is removed, and a liquid electrolyte is provided so as to be in contact with the solid electrolyte layer. Accordingly, decomposition and deterioration of the electrolyte solution which are caused by the contact between the active material layer and the electrolyte solution can be prevented, and cycle characteristics of the power storage device can be improved.
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