Cathode active material for lithium rechargeable battery, manufacturing method thereof and lithium rechargeable battery
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United States of America Patent
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Mar 20, 2012
Grant Date -
May 22, 2008
app pub date -
Nov 16, 2007
filing date -
Nov 17, 2006
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Abstract
A method for manufacturing a cathode active material for a lithium rechargeable battery, including: selecting a first metal compound from a group consisting of a halide, a phosphate, a hydrogen phosphate and a sulfate of Mg or Al; selecting a second metal compound from a group consisting of an oxide, a hydroxide and a carbonate of Mg or Al; combining the first metal compound and the second metal compound to obtain a metal compound, the metal compound containing either Mg or Al atoms; mixing a lithium compound, a transition metal compound and the metal compound to obtain a mixture; and sintering the mixture.
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