Abstract
Original method for synthesis of lithium vanadium phosphate was developed. The method includes two stages: 1st, synthesis of iron phosphate from a mixture of ammonium dihydrophosphate and metal oxide; and 2st, synthesis of lithium vanadium phosphate by thermal lithiation of the product obtained in the 1st stage, with mechanical activation of the precursor in the course of plastic deformation. Our results would provide some basis for further improvement on the Li3V2(PO4)3 electrode materials for advance lithium-ion batteries.
Highlights
The modern energy, in particular, hydrogen, requires the development of new efficient storage systems of energy generation and accumulating
The electricity accumulat ion to create power plants based on renewable energy sources (RES) is relevant due to the variability derived energy
The following two-stage process model has been suggested: 1st, synthesis of metalphosphate from a mixtu re of ammoniu m dihydrophosphate; and 2nd, synthesis of lithiu m metal phosphate by thermal lithiation of the product obtained in the 1st stage [6,8]
Summary
The modern energy, in particular, hydrogen, requires the development of new efficient storage systems of energy generation and accumulating. Fo r the autonomous wind and solar power sources it is appropriate to use electrochemical batteries They are mostly limit the cost performance, reliability and efficiency of wind and solar power plants with a capacity up to 100 kW. The demand for lithiu m poly mer battery has increased, which is due both to the tendency toward miniaturization of electronic boards and to the increased requirements imposed by power consumers [4,5,6,7]. The following two-stage process model has been suggested: 1st, synthesis of metalphosphate from a mixtu re of ammoniu m dihydrophosphate; and 2nd, synthesis of lithiu m metal phosphate by thermal lithiation of the product obtained in the 1st stage [6,8]. We studied the effect of mechanical activation on synthesis and electrochemical properties of lithium vanadium phosphate
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