Chemically synthesized manganese dioxide γ/β-MnO2 was studied in composites with multi-walled carbon nanotubes and natural graphite of EUZ-M brand was studied in the redox reaction with lithium. It was shown that nanometer carbon electron-conducting filler is advantageous over the micrometer filler (EUZ-M) in the efficiency of influence exerted on power characteristics and cycling capacity of a prototype lithium battery with a cathode based on γ/β-MnO2. The effective chemical diffusion coefficient of lithium ions in MnO2 composites with multi-walled carbon nanotubes and EUZ-M was estimated and hodographs of electrodes based on γ/β-MnO2 without a carbon additive and with EUZ-M, brought in contact with an electrolyte, were analyzed.
Russian Journal of Applied Chemistry – Springer Journals
Published: Feb 27, 2014
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