Synthesis, morphology, electrical conductivity and electrochemical properties of α-Ni(OH)2 and its composites with carbon

• Autorzy: Khemii O. M. , Budzuliak I. M. , Kotsyubynsky V. O. , Yablon L. S. , Ilnytskyi R. V. , Boychuk V. M. , Morushko O. V. , Bandura K. V. , Khemii M. M.

Identyfikatory

DOI

10.2478/msp-2019-0077

• Języki publikacji: EN

Abstrakty

EN

A simple and effective hydrothermal synthesis of spherical α-Ni(OH) )₂ particles and α-Ni(OH)₂/carbon composites was proposed. The mechanism of ultrafine α-Ni(OH) )₂ phase forming and correlations between synthesis conditions, morphology, electrical conductivity were analyzed. It was found that carbon nanoparticles form an electric conductive cover on nickel hydroxide microparticles during synthesis which increases overall electronic conductivity of the composite material. α-Ni(OH)₂ and α-Ni(OH) )₂/C samples were tested as electrodes for hybrid supercapacitors. It was found that carbon coverings stabilize α-Ni(OH) )₂ phase in the alkaline medium. The comparison of the influence of laser irradiation and ultrasonic treatment on the electrochemical performance of the obtained materials was made.

Słowa kluczowe

EN

nickel hydroxide; electrical conductivity; specific capacitance; diffusion of charge carriers

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2019
• Tom: Vol. 37, No. 4
• Strony: 547--553
• Opis fizyczny: Bibliogr. 23 poz., tab., rys.

Twórcy

autor

Khemii O. M.

• Vasyl Stefanyk Precarpathian National University, 57 Shevchenko St., Ivano-Frankivsk, 76025, Ukraine

autor

Budzuliak I. M.

• Vasyl Stefanyk Precarpathian National University, 57 Shevchenko St., Ivano-Frankivsk, 76025, Ukraine

autor

Kotsyubynsky V. O.

• Vasyl Stefanyk Precarpathian National University, 57 Shevchenko St., Ivano-Frankivsk, 76025, Ukraine

autor

Yablon L. S.

• Vasyl Stefanyk Precarpathian National University, 57 Shevchenko St., Ivano-Frankivsk, 76025, Ukraine

autor

Ilnytskyi R. V.

• Vasyl Stefanyk Precarpathian National University, 57 Shevchenko St., Ivano-Frankivsk, 76025, Ukraine

autor

Boychuk V. M.

• Vasyl Stefanyk Precarpathian National University, 57 Shevchenko St., Ivano-Frankivsk, 76025, Ukraine

autor

Morushko O. V.

• Vasyl Stefanyk Precarpathian National University, 57 Shevchenko St., Ivano-Frankivsk, 76025, Ukraine

autor

Bandura K. V.

• Vasyl Stefanyk Precarpathian National University, 57 Shevchenko St., Ivano-Frankivsk, 76025, Ukraine

autor

Khemii M. M.

• Vasyl Stefanyk Precarpathian National University, 57 Shevchenko St., Ivano-Frankivsk, 76025, Ukraine

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).