Open AccessElectrochemical and electrical properties of nickel molybdate / carbon material composites
Author(s) -
Orest Popovych,
І. М. Budzulyak,
Volodymyr Kotsyubynsky,
L. S. Yablon
Publication year - 2021
Publication title -
fìzika ì hìmìâ tverdogo tìla
Language(s) - English
Resource type - Journals
eISSN - 2309-8589
pISSN - 1729-4428
DOI - 10.15330/pcss.22.3.481-486
Subject(s) - materials science , composite material , composite number , nickel , carbon fibers , capacitance , hydrothermal circulation , electrochemistry , molybdate , ultrasonic sensor , metallurgy , chemical engineering , chemistry , electrode , physics , acoustics , engineering
The aim of this paper is to establish the optimal content of carbon material in composites with nanocrystal hydrate nickel molybdate. To achieve this, NiMoO4 / C composites with a carbon material content of 1, 5 and 10% by weight (with and without ultrasonic irradiation) were obtained by hydrothermal method. As a result of electrochemical studies, it was found that the maximum specific capacitance of 628 F/g is reached by a composite with a carbon content of 1% after ultrasonic exposure, while this composite shows excellent electrical conductivity, which is 0.47 Ohm-1m-1.