NiMn 2 O 4  spinel as a material for supercapacitors with a pseudocapacity effect

M. Yu. Arsent’ev; N. Yu. Koval’ko; A. V. Shmigel’; P. A. Tikhonov; M. V. Kalinina

doi:10.1134/S1087659617040022

NiMn₂O₄ spinel as a material for supercapacitors with a pseudocapacity effect

Authors: Arsent’ev M.Y.¹, Koval’ko N.Y.¹, Shmigel’ A.V.¹, Tikhonov P.A.¹, Kalinina M.V.¹
Affiliations:
1. Grebenshchikov Institute of Silicate Chemistry
Issue: Vol 43, No 4 (2017)
Pages: 376-379
Section: Article
URL: https://journals.rcsi.science/1087-6596/article/view/216113
DOI: https://doi.org/10.1134/S1087659617040022
ID: 216113

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Abstract

Nanopowders of the NiMn₂O₄ spinel of a grain size of about 30 nm are obtained by the method of coprecipitation. The specific capacity in an aqueous electrolyte (1 М LiNO₃) is determined by the method of cyclic voltammetry. Using computer simulation, the peculiarities of the mechanism of intercalation of Li⁺ into a NiMn₂O₄ spinel are studied by the method of crystal chemical analysis.