Abstract

Spinel-type metal oxides, magnesium-manganese- titanium oxide (Mg1.5Mn0.25Ti0.5O3) was prepared by a solid state reaction crystallization method. The acid treatments of MgMn0.25Ti0.75O3 caused Mg 2+ extractions of more than 74%, while the dissolutions of Mn 4+ and Ti 4+ were less than 9.0%. The experimental results have proved that the acid-treated sample has a capacity of exchange 12.6mmol·g-1 for Li + in the solution.

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