Carbonized chitosan-bentonite as electrode material
2023
Аутори
Stevanović, GordanaAjduković, Marija
Jović-Jovičić, Nataša
Banković, Predrag
Mojović, Zorica
Конференцијски прилог (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Bentonite clay has shown to be a versatile material that can be easily modified and applied as
an adsorbent, (electro)catalyst, or as a support for (electro)catalyst. The carbon-clay composites combine a relatively high specific surface area of the clay with a good electrical conductivity of carbon.In this paper, the effect of the applied carbonization procedure on the electrochemical properties of bentonite-carbon composite was investigated. Chitosan-modified bentonite was carbonized by conventional thermal degradation and by the hydrothermal procedure. The electrochemical characterization was performed by cyclic voltammetry and electrochemical impedance spectroscopy. The response to Fe(CN)63-/4- and Ru(NH3)62+/3+ redox probe showed that the thermally treated sample shows somewhat higher electrochemical activity and lower charge-transfer resistance. However, an investigation of composites activity toward
minophenazone, performed in the pH range 3-9 showed that the hydrothermally ...obtained sample shows higher activity at pH above 5, while the thermally obtained sample was more active at pH below 5.
Кључне речи:
Hydrothermal procedure / Chitosan modified bentoniteИзвор:
Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia, 2023, 73-73Издавач:
- Serbian Ceramic Society
Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200026 (Универзитет у Београду, Институт за хемију, технологију и металургију - ИХТМ) (RS-MESTD-inst-2020-200026)
Институција/група
IHTMTY - CONF AU - Stevanović, Gordana AU - Ajduković, Marija AU - Jović-Jovičić, Nataša AU - Banković, Predrag AU - Mojović, Zorica PY - 2023 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/6744 AB - Bentonite clay has shown to be a versatile material that can be easily modified and applied as an adsorbent, (electro)catalyst, or as a support for (electro)catalyst. The carbon-clay composites combine a relatively high specific surface area of the clay with a good electrical conductivity of carbon.In this paper, the effect of the applied carbonization procedure on the electrochemical properties of bentonite-carbon composite was investigated. Chitosan-modified bentonite was carbonized by conventional thermal degradation and by the hydrothermal procedure. The electrochemical characterization was performed by cyclic voltammetry and electrochemical impedance spectroscopy. The response to Fe(CN)63-/4- and Ru(NH3)62+/3+ redox probe showed that the thermally treated sample shows somewhat higher electrochemical activity and lower charge-transfer resistance. However, an investigation of composites activity toward minophenazone, performed in the pH range 3-9 showed that the hydrothermally obtained sample shows higher activity at pH above 5, while the thermally obtained sample was more active at pH below 5. PB - Serbian Ceramic Society C3 - Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia T1 - Carbonized chitosan-bentonite as electrode material SP - 73 EP - 73 UR - https://hdl.handle.net/21.15107/rcub_cer_6744 ER -
@conference{ author = "Stevanović, Gordana and Ajduković, Marija and Jović-Jovičić, Nataša and Banković, Predrag and Mojović, Zorica", year = "2023", abstract = "Bentonite clay has shown to be a versatile material that can be easily modified and applied as an adsorbent, (electro)catalyst, or as a support for (electro)catalyst. The carbon-clay composites combine a relatively high specific surface area of the clay with a good electrical conductivity of carbon.In this paper, the effect of the applied carbonization procedure on the electrochemical properties of bentonite-carbon composite was investigated. Chitosan-modified bentonite was carbonized by conventional thermal degradation and by the hydrothermal procedure. The electrochemical characterization was performed by cyclic voltammetry and electrochemical impedance spectroscopy. The response to Fe(CN)63-/4- and Ru(NH3)62+/3+ redox probe showed that the thermally treated sample shows somewhat higher electrochemical activity and lower charge-transfer resistance. However, an investigation of composites activity toward minophenazone, performed in the pH range 3-9 showed that the hydrothermally obtained sample shows higher activity at pH above 5, while the thermally obtained sample was more active at pH below 5.", publisher = "Serbian Ceramic Society", journal = "Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia", title = "Carbonized chitosan-bentonite as electrode material", pages = "73-73", url = "https://hdl.handle.net/21.15107/rcub_cer_6744" }
Stevanović, G., Ajduković, M., Jović-Jovičić, N., Banković, P.,& Mojović, Z.. (2023). Carbonized chitosan-bentonite as electrode material. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia Serbian Ceramic Society., 73-73. https://hdl.handle.net/21.15107/rcub_cer_6744
Stevanović G, Ajduković M, Jović-Jovičić N, Banković P, Mojović Z. Carbonized chitosan-bentonite as electrode material. in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia. 2023;:73-73. https://hdl.handle.net/21.15107/rcub_cer_6744 .
Stevanović, Gordana, Ajduković, Marija, Jović-Jovičić, Nataša, Banković, Predrag, Mojović, Zorica, "Carbonized chitosan-bentonite as electrode material" in Program and book of abstracts - Serbian Ceramics Society Conference - Advanced Ceramics and Application XI, New Frontiers in Multifunctional Material Science and Processing,18-20 th September 2023. Belgrade, Serbia (2023):73-73, https://hdl.handle.net/21.15107/rcub_cer_6744 .