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Fatemeh Jamali, Majid Seifi and Mohammad Bagher Askari
In this paper, for the first time, a CoNi2O4 nanocatalyst coated on the surface of activated carbon wheat husk (ACWH) was synthesized in the form of CoNi2O4/ACWH through a hydrothermal process. The electrocatalytic activity of this catalyst was evaluated...
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Vitali A. Grinberg, Victor V. Emets, Alexander D. Modestov, Aleksey A. Averin and Andrei A. Shiryaev
Thin-film nanocrystalline zinc oxide electrodes were fabricated by electrochemical deposition of ZnO on FTO-coated glass slides. ZnO electrodes were promoted by CdO coating on top of ZnO in amounts corresponding to 0.8, 0.1, and 0.05 C cm-2 in electric u...
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Dang Long Quan and Phuoc Huu Le
PtRu nanoparticles decorated on carbon-based supports are of great interest for direct methanol fuel cells (DMFCs). In this study, PtRu alloy nanoparticles decorated on carbon Vulcan XC-72 (C), multi-walled carbon nanotubes (MWCNTs), and C-MWCNTs composi...
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Wika Atro Auriyani, Djoni Bustan, Sri Haryati
Pág. 25 - 29
Most of the R&D on Direct Methanol Alkaline Fuel Cell (DMAFC) concentrates on electrode catalyst and appropriate electrolyte to improve the efficiency. Mostly, a Pt-based electrocatalyst was used. In this research, Nickel foam and membrane silver as non-...
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Hassan Hadi Mehdi Al Rubaiy, Ammar Altemimi, Ali Khudair Jaber Al Rikabi, Naoufal Lakhssassi and Anubhav Pratap-Singh
The present study proposes microwave-assisted extraction as a sustainable technique for the biosynthesis of bioactive compounds from rice fermented with Aspergillus flavus (koji). First, fermentation conditions (i.e., pH from 3?12, five temperatures from...
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Frizka Vietanti,Chen-Hao Wang
Pág. 29 - 36
In this study, we have synthesized nitrogen doped reduced graphene oxide (N-rGO) supported ternary PdFeCo nanoparticle by three methods. A hydrothermal method to synthesize N-rGO, an emulsion method to synthesize PdFeCo nanoparticle, and a rota-evaporati...
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Nikolai Gomelya,Inna Trus,Olena Stepova,Oleksandr Kyryliuk,Olena Hlushko
Pág. 6 - 11
It is a relevant and practically important task for environmental protection to devise effective means to protect metals against corrosion in aggressive media containing water, petroleum products, carbolic acids, and mineral salts. To stop corrosion, cor...
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Bako Myek,Sulaiman O. Idris,Johnson F. Iyun
Pág. 37 - 42
Abstract - The kinetics of the oxidation of naphthol green B (NGB3-) by Cr2O7 2- has been studied in aqueous hydrochloric acid medium at an ionic strength, I = 0.50 mol dm-3 (NaCl), ?H+? =1.0 ? 10-4 mol dm-3 (HCl) and T = 25 ? 1?C. The redox reaction dis...
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Teresa J. Leo, Miguel A. Raso, Emilio Navarro and Eleuterio Mora
The use of alcohol blends in direct alcohol fuel cells may be a more environmentally friendly and less toxic alternative to the use of methanol alone in direct methanol fuel cells. This paper assesses the behaviour of a direct methanol fuel cell fed with...
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