Rotary kiln and battery material manufactured by the rotary kiln
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United States of America Patent
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Aug 6, 2013
Grant Date -
Mar 17, 2011
app pub date -
Jul 23, 2010
filing date -
Sep 14, 2009
priority date (Note) -
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Abstract
A rotary kiln includes a cylindrical shell that rotates about its own axis and that has a heat treatment chamber provided radially inward of the shell. In the rotary kiln, a heat treatment is performed on a process material in the heat treatment chamber to manufacture a battery material. The shell is made of a carbon material. Since the shell is made of a carbon material, the rotary kiln can suppress contamination of metal scale, which adversely affects the battery material, into the battery material.
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