Method of Forming a Metal Phosphate Coated Cathode for Improved Cathode Material Safety
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United States of America Patent
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Issued Date -
Jun 28, 2012
app pub date -
Dec 19, 2011
filing date -
Dec 21, 2010
priority date (Note) -
Abandoned
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Abstract
The invention features a method of forming a metal phosphate coated cathode. Either a metal salt or a phosphate salt is dissolved in a nonaqueous solvent to form a first solution. The other of the metal salt or the phosphate salt (e.g., whichever compound is not dissolved in the nonaqueous solvent) is dissolved in a second solvent to form a second solution. The first solution and the second solution are mixed to form a precursor solution. A cathode material is added to the precursor solution to form a cathode-precursor solution. The cathode-precursor solution is dried to form the metal phosphate coated cathode.
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