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Browsing by Subject "Metal oxides"

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Co-existence of Pd, Bi2O3 and CuO supported on porous activated biocarbon for electrochemical conversion and energy storage

Author: Fuku, Xolile G ; Modibedi, Remegia M ; Mkhohlakali, Andile ; Mathe, Mahlanyane K Date: Aug 2021 The co-existence of metal oxides (MO) and activated carbon (AC) causes changes in the catalytic behaviour and activity which would contribute greatly to a number of applications. Pd–AC/Bi2O3/CuO synthesized via the green process was used as ... Read more
Electrochemical evaluation of Pt-Based binary catalysts on various supports for the direct methanol fuel cell

Author: Khotseng, L ; Bangisa, A ; Modibedi, Remegia M ; Linkov, V Date: Jan 2016 Multi-walled carbon nanotubes (MWCNTs), TiO(sub2), MoO(sub2), and carbon black Vulcan XC-72 were investigated as supports for PtRu and PtSn catalysts. X-ray diffraction (XRD) confirmed that all electrocatalysts examined display characteristic ... Read more
The hierarchical nanostructured Co-doped WO3/carbon and their improved acetone sensing performance

Author: Saasa, Valentine R ; Malwela, Thomas ; Lemmer, Yolandy ; Beukes, M ; Mwakikunga, Bonex W Date: Oct 2020 Hierarchical nanostructured Co-doped WO3 with carbon as template has been successfully synthesised through facile sol-gel method. The synthesised Co-doped WO3 was characterized by X-ray diffraction, Scanning electron microscopy, Transmission ... Read more
In situ engineering of urchin-like reduced graphene oxide–Mn2O3–Mn3O4 nanostructures for supercapacitors

Author: Chidembo, AT ; Aboutalebi, SH ; Konstantinov, K ; Jafta, CJ ; Liu, H ; Ozoemena, KI Date: Jan 2014 We report the use of spray pyrolysis method to synthesize high surface area (BET surface area of 139 m2g-1) self–organized, micron sized urchin-like composites made up of reduced graphene oxide and needle-shaped manganese oxide (rGO-Mn2O3/Mn3O4). ... Read more
Metal oxides and lithium alloys as anode materials for lithium-ion batteries

Author: Kebede, Mesfin A ; Zheng, Haitao ; Ozoemena, KI Date: Jul 2016 Metal oxides such as TiO(sub2), Li(sub4)Ti(sub5)O(sub12), SnO(sub2), SnO, M(sub2)SnO(sub4) (M=ZnM=Zn, Co, Mn, Mg), TMO (TM=MnTM=Mn, Fe, Co, Ni, or Cu), TM(sub3)O(sub4) (TM=CoTM=Co, Fe, or Mn), and lithium alloys Li–Sn, Li–Si are among the ... Read more
Recent developments of metal oxide based heterostructures for photocatalytic applications towards environmental remediation

Author: Theerthagiri, J ; Chandrasekaran, S ; Salla, S ; Elakkiya, V ; Senthil, RA ; Nithyadharseni, Palaniyandy ; Maiyalagan, T ; Micheal, K ; Ayeshamariam, A ; Valan Arasu, M ; Al-Dhabi, NA ; Kim, H Date: Nov 2018 The advancement of heterostructured visible-light active metal oxide based semiconductor photocatalysts have received an enormous consideration in the field of environmental remediation due to their excellent growth with unique surface ... Read more

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Browsing by Subject "Metal oxides"

Browsing by Subject "Metal oxides"

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