Lithium ion secondary battery and a method for manufacturing the same
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United States of America Patent
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Jun 5, 2012
Grant Date -
Aug 6, 2009
app pub date -
Jan 29, 2009
filing date -
Jan 31, 2008
priority date (Note) -
Expired
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Abstract
A method for manufacturing a lithium ion secondary battery includes steps of preparing a green sheet comprising at least one of lithium ion conductive inorganic powder and inorganic powder which becomes lithium ion conductive when it is heat treated; producing a thin film solid electrolyte by heat treating the green sheet; laminating an electrode green sheet comprising an active material on at least one surface of the thin film solid electrolyte; and heat treating the electrode green sheet at a temperature which is lower than a temperature at which the solid electrolyte is heat treated.
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