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Revista Cubana de Química
versión On-line ISSN 2224-5421
Resumen
LEYVA-NAVARRO, Elvira et al. Characterization and evaluation of physicochemical and electrical properties of nickel (II) hydroxide, obtained with industrial liquors. Rev Cub Quim [online]. 2023, vol.35, n.2, pp. 215-237. Epub 12-Jul-2023. ISSN 2224-5421.
Physical, chemical and electrical characteristics of nickel hydroxide, prepared with aqueous solutions from the leaching of nickel sulfide produced at the Comandante Ernesto Che Guevara de Moa Company, were evaluated. Solutions reagent grade nickel sulfate, were used to prepare the reference hydroxide and both hydroxides were compared. Chemical composition, structural, thermal, textural properties were analyzed using AA, DRX, TG, DSC, FTIR, RAMAN and BET techniques. The electrical characterization was carried out by the two- point method. As a result of the work, a β-Ni(OH)2 with 56,4 % nickel and 1,3 % cobalt was obtained, which did not presented other mineralogical phases associated with cobalt. The possibility of use it in rechargeable batteries and electrical supercapacitors, was considered because have it structural and electrical properties similar to the hydroxide reference.
Palabras clave : nickel hydroxide; structural; thermal and electrical properties..