Synthesis of lithium-manganese oxide spinel in hydrothermal conditions

G. Panasyuk N. S. Kurnakov Institute of General and Inorganic Chemistry RAS, Leninsky prospect, 31, Moscow, GSP-I, 117907, Russia

I. Voroshilov N. S. Kurnakov Institute of General and Inorganic Chemistry RAS, Leninsky prospect, 31, Moscow, GSP-I, 117907, Russia

G. Boudova N. S. Kurnakov Institute of General and Inorganic Chemistry RAS, Leninsky prospect, 31, Moscow, GSP-I, 117907, Russia

L. Azarova N. S. Kurnakov Institute of General and Inorganic Chemistry RAS, Leninsky prospect, 31, Moscow, GSP-I, 117907, Russia

V. Privalov N. S. Kurnakov Institute of General and Inorganic Chemistry RAS, Leninsky prospect, 31, Moscow, GSP-I, 117907, Russia

V. Minin N. S. Kurnakov Institute of General and Inorganic Chemistry RAS, Leninsky prospect, 31, Moscow, GSP-I, 117907, Russia

A. Skundin A. N. Frumkin Institute of Electrochemistry RAS, Leninsky prospect, 31, Moscow, 117071, Russia

L. Kanevsky A. N. Frumkin Institute of Electrochemistry RAS, Leninsky prospect, 31, Moscow, 117071, Russia

T. Kulova A. N. Frumkin Institute of Electrochemistry RAS, Leninsky prospect, 31, Moscow, 117071, Russia

M. Danchevskaya Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory, Moscow, GSP, 119899, Russia

Yu. Ivaki Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory, Moscow, GSP, 119899, Russia

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Abstract

Lithium-manganese oxide spinel LiMn₂O₄ was synthesized in hydrothermal conditions (400°C, 20 MPa) in the course of thermovaporous treatment mixtures of MnO₂ and LiOH/or Li₂CO₃. The conditions of synthesis of the spinel as monophase product were determined. The obtained product has been characterized by means of various physical and chemical methods. The spinel has been used for manufacturing cathodes of rechargeable lithium cells. The cells discharged in the potential range 2.8-3.5 V. The specific capacity was 100-140mAh/g.

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Synthesis of lithium-manganese oxide spinel in hydrothermal conditions

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Synthesis of lithium-manganese oxide spinel in hydrothermal conditions

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