Synthesis of composite Si@C nanopowders in a cyclic compression reactor for anodes of lithium-ion batteries
Ezdin B. S.1, Vasiljev S. A.1, Okotrub A. V. 2, Kalyada V. V.1, Stolyarova S. G.2, Fedorov V. E. 2
1Novosibirsk State University, Novosibirsk, Russia
2Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
Email: s.vasilev3@nsu.ru
Pyrolysis of a mixture of monosilane with light hydrocarbons in an argon atmosphere in a cyclic compression reactor was used to synthesize nanoparticles with a crystalline silicon core and a carbon shell. The resulting powders were tested as an anode material for lithium-ion batteries. It is shown that the maximum reversible electrochemical capacity is 603 and 242 mA· h/g at current densities of 0.05 and 2 A/g, respectively. Keywords: composite nanopowders Si@C, chemical compression reactor, anode materials, lithium-ion batteries. DOI: 10.61011/TPL.2023.06.56386.19528
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