Non-aqueous electrolyte secondary cell
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United States of America Patent
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Sep 20, 2011
Grant Date -
Oct 2, 2008
app pub date -
Mar 31, 2008
filing date -
Mar 29, 2007
priority date (Note) -
Expired
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Abstract
A non-aqueous electrolyte secondary cell superior in resistance against continuous charging at high potential is provided. The non-aqueous electrolyte secondary cell includes: a positive electrode having lithium phosphate and a positive electrode active material comprising lithium cobalt oxide containing at least one selected from Mg, Al, Ti, and Zr; and a separator having pores having an average diameter of 0.05 to 0.2 μm.
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