Positive Electrode Material
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United States of America Patent
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Issued Date -
Jan 17, 2013
app pub date -
Sep 24, 2010
filing date -
Sep 24, 2009
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Abandoned
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Abstract
An electrode material comprising a LixFeyMzPw04 compound for an electrode for a Li rechargeable battery, wherein 0.90<=x<=1.03, 0.85<=y<=1.0, 0.01<=z<=0.15, 0.90<=w<=1.0, 1.9<=x+y+z<=2.1; wherein M comprises at least one element selected from the group consisting of Mn, Co, Mg, Cr, Zn, Al, Ti, Zr, Nb, Na, and Ni; and wherein the compound comprises a charge transfer resistance increase of less than 20% between room temperature and 0° C.
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