Nonaqueous secondary battery comprising at least two lithium-containing transition metal oxides of different average particle sizes
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United States of America Patent
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Apr 9, 2013
Grant Date -
Oct 4, 2012
app pub date -
Jun 12, 2012
filing date -
Oct 26, 2006
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Abstract
A nonaqueous secondary battery having a positive electrode having a positive electrode mixture layer, a negative electrode, and a nonaqueous electrolyte, in which the positive electrode contains, as an active material, a lithium-containing transition metal oxide containing a metal element selected from the group consisting of Mg, Ti, Zr, Ge, Nb, Al and Sn, the positive electrode mixture layer has a density of 3.5 g/cm3 or larger, and the nonaqueous electrolyte contains a compound having two or more nitrile groups in the molecule
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