Batteries comprising alkali-transition metal phosphates and preferred electrolytes
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United States of America Patent
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Nov 27, 2012
Grant Date -
Aug 18, 2005
app pub date -
Mar 15, 2005
filing date -
Apr 3, 2002
priority date (Note) -
Expired
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Abstract
A secondary electrochemical cell is described having (a) a first electrode comprising an active material of the formula LiaCoeFefM1gM2hM3iXY4, (b) a second electrode which is a counter-electrode to said first electrode; and (c) an electrolyte comprising an electrolyte salt, a cyclic ester and a carbonate selected from the group consisting of alkyl carbonates, alkylene carbonates, and mixtures thereof.
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