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Chemistry for Sustainable Development

2012 year, number 1

Lithium Iron Phosphate. Synthesis Using Mechanical Activation

N. V. KOSOVA and E. T. DEVYATKINA
Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch of the Russian Academy of Sciences,
Ul. Kutateladze 18, Novosibirsk 630128 (Russia)
kosova@solid.nsc.ru
Keywords: lithium iron phosphate, mechanochecmial synthesis
Pages: 61–68

Abstract

A brief overview of works aimed at the investigation of the processes of synthesis of nanosized LiFePO<sub>4</sub> from different precursors using mechanical activation is presented; its structural and electrochemical properties are evaluated. The effect of nanosize on cycling processes including its mechanism is demonstrated. Examples of the influence of carbon component on the morphology of particles and the effect of substitution processes on the cathode properties of LiFePO<sub>4</sub> are described, as well as the data on the thermal stability of LiFePO4 against heating in the air. The proposed method was accepted as the basis for the industrial technology of obtaining LiFePO<sub>4</sub> at the JSC “Novosibirsk Chemical Concentrates Plant”.