Preparation method of battery composite material and precursor thereof
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United States of America Patent
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Apr 3, 2018
Grant Date -
Aug 6, 2015
app pub date -
Aug 28, 2013
filing date -
Aug 28, 2012
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Abstract
A preparation method of a battery composite material includes steps of providing phosphoric acid, manganese carbonate, water and a first reactant; processing a reaction of the phosphoric acid, the manganese carbonate and the water to produce a first product; calcining the first product to produce a precursor, which is written by Mn2P2O7; processing a reaction of the precursor and at least the first reactant to get a reaction mixture, and then calcining the reaction mixture to produce the battery composite material. As a result, the present invention achieves the advantages of reducing the times of the reduction-oxidation reaction, so that the stability of the processes is enhanced, and the difficulty of the processes is reduced.
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