Electrode material with enhanced ionic transport properties
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United States of America Patent
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May 7, 2013
Grant Date -
Aug 9, 2012
app pub date -
Apr 18, 2012
filing date -
Feb 3, 2005
priority date (Note) -
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Abstract
Materials useful as electrodes for lithium batteries have very good electronic and ionic conductivities. They are fabricated from a starting mixture which includes a metal, a phosphate ion, and an additive which enhances the transport of lithium ions in the resultant material. The mixture is heated in a reducing environment to produce the material. The additive may comprise a pentavalent metal or a carbon. In certain embodiments the material is a two-phase material. Also disclosed are electrodes which incorporate the materials and lithium batteries which incorporate those electrodes.
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