ELECTROCHEMICAL DEVICE USING SOLID POLYMER ELECTROLYTE USING FINE POLYMER COMPOSITE PARTICLES
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United States of America Patent
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Issued Date -
Sep 13, 2012
app pub date -
Oct 20, 2010
filing date -
Oct 21, 2009
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Abandoned
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Abstract
The invention provides n electrochemical device containing a negative electrode having a negative electrode material layer at least on a surface; a positive electrode having a positive electrode material layer at least on a surface; and a solid polymer electrolyte of fine composite particles disposed between the negative electrode and the positive electrode. Each of the fine composite particles comprises a polymer brush layer of polymer graft chains. The fine composite particles form a substantially three-dimensional ordered array structure, and a continuous ion-conductive network channel is formed in each gap of the fine particles. The negative or positive electrode or electrode material layer have gaps filled with the fine composite particles. A contact interface between the solid electrolyte and the electrode material layer or the electrode is a polymer brush layer composed of polymer graft chains
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