Positive electrode material for lithium secondary cell and process for producing the same
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United States of America Patent
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Nov 10, 2009
Grant Date -
Oct 5, 2006
app pub date -
Aug 16, 2004
filing date -
Aug 19, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
(A is the group 6 transition element or the group 14 element, 0.90≦a≦1.10, 0.97≦b≦1.00, 0.0001≦c≦0.03, 0.0001≦d≦0.03, 1.98≦e≦2.02, 0≦f≦0.02 and 0.0001≦c+d≦0.03), and magnesium, the element A and fluorine exist uniformly in the vicinity of the surfaces of the particles.
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