SYNTHESIS AND ELECTROCHEMICAL PROPERTIES OF NANOSTRUCTURED ZnCr 2 O 4  MATERIALS BASED ON CARBON FIBER FOR SUPERCAPACITORS

O. O Shichalin; Шичалин О. О; N. P Ivanov; Иванов Н. П; P. A Marmaza; Мармаза П. А; A. I Seroshtan; Сероштан А. И; Z. E Priimak; Приймак З. Э; M. S Syrtanov; Сыртанов М. С; A. V Pirozhkov; Пирожков А. В; T. L Simonenko; Симоненко Т. Л; V. V Provatorova; Проваторова В. В; V. B Rinchinova; Ринчинова В. Б; V. V Efremov; Ефремов В. В; I. G Tananaev; Тананаев И. Г; E. K Papynov; Папынов Е. К

doi:10.7868/S3034560X25100053

SYNTHESIS AND ELECTROCHEMICAL PROPERTIES OF NANOSTRUCTURED ZnCr₂O₄ MATERIALS BASED ON CARBON FIBER FOR SUPERCAPACITORS

作者: Shichalin O.O¹^,2, Ivanov N.P¹^,2, Marmaza P.A¹^,2, Seroshtan A.I¹^,2, Priimak Z.E¹^,2, Syrtanov M.S³, Pirozhkov A.V³, Simonenko T.L⁴, Provatorova V.V², Rinchinova V.B², Efremov V.V¹^,5, Tananaev I.G¹^,5, Papynov E.K²
隶属关系:
1. Sakhalin State University
2. Far Eastern Federal University
3. National Research Tomsk Polytechnic University
4. N. S. Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
5. Institute of Industrial Ecology Problems of the North
期: 卷 70, 编号 10 (2025)
页面: 1269-1283
栏目: СИНТЕЗ И СВОЙСТВА НЕОРГАНИЧЕСКИХ СОЕДИНЕНИЙ
URL: https://journals.rcsi.science/0044-457X/article/view/355993
DOI: https://doi.org/10.7868/S3034560X25100053
ID: 355993

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Promising energy storage materials based on ZnCr₂O₄ spinel, synthesized on carbon fiber matrices, remain insufficiently studied in the context of their application in electrochemical supercapacitors. In the present study, the synthesis of these materials was carried out using direct precipitation methods, sol-gel synthesis, and hydrothermal treatment followed by thermal processing. The main focus was on a comprehensive investigation of the morphology, phase composition, and electrochemical characteristics of the samples. Analysis was conducted using X-ray diffraction, scanning electron microscopy, energy-dispersive spectroscopy, cyclic voltammetry, and electrochemical impedance spectroscopy. Samples obtained by the sol-gel method with high-temperature treatment in an argon atmosphere demonstrated high phase purity of the spinel, a well-developed porous structure, and maximum specific capacitance. Impedance studies revealed low resistance values, indicating efficient charge transfer. The research results confirm the high potential of ZnCr₂O₄/carbon materials for the development of efficient and durable next-generation supercapacitors.