Lithium—manganese composite oxide, secondary battery, and electric device
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United States of America Patent
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Mar 22, 2016
Grant Date -
Jan 15, 2015
app pub date -
Jun 30, 2014
filing date -
Jul 15, 2013
priority date (Note) -
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Abstract
The amount of lithium ions that can be received and released in and from a positive electrode active material is increased, and high capacity and high energy density of a secondary battery are achieved. Provided is a lithium-manganese composite oxide represented by LixMnyMzOw, where M is a metal element other than Li and Mn, or Si or P, and y, z, and w satisfy 0≦x/(y+z)<2, y>0, z>0, 0.26≦(y+z)/w<0.5, and 0.2
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