Nanostructured compositions having reduced dissolution of manganese and methods of making and using the same
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United States of America Patent
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Apr 15, 2014
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Apr 30, 2008
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Oct 14, 2005
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Abstract
Nanostructured manganese-containing compositions having reduced manganese dissolution and methods of making and using the same are provided. In one embodiment, a composition of matter comprises a nanostructured oxide or hydroxide doped with Mn4+. The composition of matter can be made by forming a nanostructured oxide or hydroxide material doped with Mn3+ and oxidizing the Mn3+ to Mn4+ to reduce dissolution of the manganese in the nanostructured oxide or hydroxide material. In another embodiment, a method of reducing dissolution of manganese present in a nanostructured MnO2 material comprises: doping a nanostructured MnO2 material with Fe3+ to reduce the dissolution of the manganese.
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