Method for producing positive electrode material for secondary battery
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United States of America Patent
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Jan 8, 2013
Grant Date -
Jun 10, 2010
app pub date -
Mar 26, 2008
filing date -
Mar 27, 2007
priority date (Note) -
Expired
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Abstract
The present invention has features in that a lithium transition metal silicate obtained by sintering a mixture containing a transition metal compound containing at least one transition metal selected from the group consisting of Mn, Fe, Co and Ni; a lithium compound; and a silicon-based polymer compound, is used as a positive electrode material for a secondary battery. The lithium transition metal silicate of the present invention has a high lithium occlusion and release efficiency per unit amount of a transition metal. A secondary battery in which the cost is low, stability and safety are high, and superior charge and discharge characteristics are exhibited can be provided.
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