Electrodes comprising mixed active particles
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United States of America Patent
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Aug 10, 2010
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app pub date -
May 4, 2006
filing date -
Apr 3, 2003
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Abstract
Electrode active materials comprising two or more groups of particles having differing chemical compositions, wherein each group of particles comprises a material selected from: (a) materials of the formula A.sup.1 .sub.aM.sup.1 .sub.b(XY.sub.4).sub.cZ.sub.d; and (b) materials of the formula A.sup.2.sub.eM.sup.2.sub.fO.sub.g; and (c) materials of the formula A.sup.3.sub.hMn.sub.iO.sub.4; wherein (i) A.sup.1, A.sup.2, and A.sup.3 are Li, Na, or K; (ii) M.sup.1and M.sup.3 comprise a transition metal; (iv) XY.sub.4 a phosphate or similar moiety; and (v) Z is OH, or halogen.
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