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Browsing by Subject "Electrochemical capacitors"

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Chemical adsorption of NiO nanostructures on nickel foam-graphene for supercapacitor applications

Author: Bello, A ; Makgopa, K ; Fabiane, M ; Dodoo-Ahrin, D ; Ozoemena, KI ; Manyala, N Date: Oct 2013 Few-layer graphene was synthesized on a nickel foam template by chemical vapor deposition. The resulting three-dimensional (3D) graphene was loaded with nickel oxide nanostructures using the successive ionic layer adsorption and reaction ... Read more
Electrochemical capacitors based on nitrogen-enriched cobalt (II) phthalocyanine/multi-walled carbon nanotube nanocomposites

Author: Lekitima, JN ; Ozoemena, KI ; Kobayashi, N Date: Nov 2013 A nitrogen-enriched metallophthalocyanine, Cobalt (II)tetrapyrazinoporphyrazine (CoTPyzPz), modified with acid or phenylamine functionalized multiwalled carbon nanotubes (MWCNTaf and MWCNTPhNH2) have been studied for application as an ... Read more
Electrochromic and electrochemical capacitive properties of tungsten oxide and its polyaniline nanocomposite films obtained by chemical bath deposition method

Author: Nwanya, AC ; Jafta, CJ ; Ejikeme, PM ; Ugwuoke, PE ; Reddy, MV ; Osuji, RU ; Ozoemena, KI ; Ezema, FI Date: May 2014 Polyanine and its nanocomposite WO3/PANI films were deposited on fluorine doped tin oxide (FTO) glassslides by simple chemical bath deposition method. The morphology structure of the composite film wasstudied using atomic force microscopy ... Read more
High-performance symmetric electrochemical capacitor based on graphene foam and nanostructured manganese oxide

Author: Bello, A ; Fashedemi, OO ; Lekitima, JN ; Fabiane, M ; Dodoo-Arhin, D ; Ozoemena, KI ; Gogotsi, Y ; Johnson, ATC ; Manyala, N Date: 2013 We have fabricated a symmetric electrochemical capacitor with high energy and power densities based on a composite of graphene foam (GF) with 80 wt% of manganese oxide (MnO(sub2)) deposited by hydrothermal synthesis. Raman spectroscopy and ... Read more
Silver nanoparticles decorated on a three-dimensional graphene scaffold for electrochemical applications

Author: Bello, A ; Fabiane, M ; Dodoo-Arhin, D ; Ozoemena, KI ; Manyala, N Date: Jan 2014 Silver metal nanoparticles were decorated by electron beam evaporation on graphene foam (GF) grown by chemical vapour deposition. X-ray diffraction, Raman spectroscopy, scanning and transmission electron microscopy, and atomic force microscopy ... Read more

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Browsing by Subject "Electrochemical capacitors"

Browsing by Subject "Electrochemical capacitors"

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