Abstract
A V2O5-based composite positive electrode for a lithium-ion battery was optimized through the selection of a polymer binder. The electrochemical characteristics of a V2O5-based composite material for the positive electrode with the addition of a polymer binder: polyvinylidene fluoride, polyacrylic acid, polyacrylonitrile, carboxymethylcellulose, and sodium alginate, were determined. Electrodes made from V2O5-based composite materials with the addition of polyacrylic acid as a binder are characterized by consistently high capacity (290 mAh g–1) charged at a normalized current of 0.1 C [current C (mA) is sufficient to fully charge the electrode of a weight m (g) for a time t = 1 h], and at anode/cathode cycling they retain capacity of about 98% after 60 charge/discharge cycles.
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The work was carried out on the subject of a state assignment, state registration no. AAAA-A19-119061890019-5.
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A.V. Shikhovtseva: concept of the article, conducting an experiment on the selection of a polymer binder; E.Yu. Evshchik: processing and analysis of data obtained by galvanostatic cycling and cyclic voltammetry methods; V.G. Kolmakov, A.V. Shikhovtseva: fabricating the positive electrodes, assembly and testing of electrochemical cells; A.V. Levchenko, Yu.A. Dobrovolsky: significant contribution to the concept of the work, analysis of the results of the work.
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Translated from Zhurnal Prikladnoi Khimii, No. 6, pp. 600–613, June, 2023 https://www.elibrary.ru/SZFTQW
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Shikhovtseva, A.V., Evshchik, E.Y., Kolmakov, V.G. et al. Effect of Polymer Binders on the Electrochemical Characteristics of the Positive Electrode of a V2O5 Lithium-Ion Battery. Russ J Appl Chem 96, 682–685 (2023). https://doi.org/10.1134/S1070427223060071
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DOI: https://doi.org/10.1134/S1070427223060071