Cathode composite material synthesis having high energy density for lithium secondary battery for electric vehicle and electrode manufacturing technology thereof
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United States of America Patent
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Oct 25, 2016
Grant Date -
Oct 16, 2014
app pub date -
Oct 19, 2012
filing date -
Oct 21, 2011
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Abstract
The present invention relates to the manufacture of a high capacity electrode by synthesizing an excellent Li2MnO3-based composite material Li(LixNiyCozMnwO2) to improve the characteristics of an inactive Li2MnO3 material with a specific capacity of about 460 mAh/g. Here, a manufacturing method of a cathode material for a lithium secondary battery uses a Li2MnO3-based composite material Li(LixNiyCozMnwO2) by reacting a starting material wherein a nickel nitrate solution, a manganese nitrate solution and a cobalt nitrate solution are mixed, with a complex agent by co-precipitation.
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