FIELD: preparation of lithium dope spinal of lithium-manganese oxide. SUBSTANCE: spinel of formula: Li(1+x)Mn2O4, wherein 0 < x ≤ 1, is prepared by contacting spinel of lithium-manganese oxide of formula: LiMn2O4 with lithium carboxylate. Temperature and time are sufficient for decomposition of carboxylate and liberation of lithium to form above-mentioned spinel. EFFECT: simplified method. 11 cl
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