Method for forming metal fluoride material
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United States of America Patent
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Sep 20, 2016
Grant Date -
Sep 25, 2014
app pub date -
Mar 21, 2014
filing date -
Mar 21, 2013
priority date (Note) -
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Abstract
The present invention is directed to processing techniques and systems of metal fluoride based material, including but not limited to nickel difluoride, copper difluoride, manganese fluoride, chromium fluoride, bismuth fluoride, iron trifluoride, iron difluoride, iron oxyfluoride, metal doped iron fluorides, e.g., FexM1-xFy (M=metals, which can be Co, Ni, Cu, Cr, Mn, Bi and Ti) materials. An exemplary implementation involves mixing a first compound comprising a metal material, nitrogen, and oxygen to a second compound comprising hydrogen fluoride. The mixed compound is milled to form metal fluoride precursor and a certain byproduct. The byproduct is removed, and the metal fluoride precursor is treated to form iron trifluoride product. There are other embodiments as well.
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