Positive electrode active material, production method thereof and non-aqueous electrolyte secondary battery
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United States of America Patent
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Jul 12, 2016
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Dec 7, 2006
app pub date -
May 11, 2006
filing date -
Mar 1, 2002
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Abstract
In order to provide a 3V level non-aqueous electrolyte secondary battery with a flat voltage and excellent cycle life at a high rate with low cost, the present invention provides a positive electrode represented by the formula: Li2±α[Me]4O8−x, wherein 0≦α<0.4, 0≦x<2, and Me is a transition metal containing Mn and at least one selected from the group consisting of Ni, Cr, Fe, Co and Cu, said active material exhibiting topotactic two-phase reactions during charge and discharge.
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