Journal of Applied Electrochemistry

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Air and fuel starvation of phosphoric acid fuel cells: A study using a single cell with multi-reference electrodes
Journal of Applied Electrochemistry - Tập 21 - Trang 524-530 - 1991
K. Mitsuda, T. Murahashi
The changes in the anode and cathode potentials in the horizontal plane of a phosphoric acid fuel cell (PAFC) under starving conditions for either air or fuel were studied using a single cell furnished with twenty-four reference electrodes which were located around the anode or the cathode. When air starvation occurred, both the anode and cathode potentials became nearly 0 V against RHE, and hydro...... hiện toàn bộ
Electrolysis of weak black liquor Part II: Effect of process parameters on the energy efficiency of the electrolytic cell
Journal of Applied Electrochemistry - Tập 25 - Trang 472-478 - 1995
J.-N. Cloutier, M. K. Azarniouch, D. Callender
A laboratory study of the effects of process parameters on the performance of weak black liquor (WBL) electrolysis cells showed that anode material, current density and temperature are critical to the operation. The two latter variables showed an interaction effect upon the operation of the cell. In terms of energy efficiency, the IrO2 anode performed better than the Pt anode. The addition of sodi...... hiện toàn bộ
Gas purification by removal of atomic mercury using electrochemical cells
Journal of Applied Electrochemistry - Tập 32 - Trang 379-382 - 2002
Ch. Kabbe, G. Kauschka, F. Scholz
Electrochemical cells are described, which allow the oxidative removal of gaseous atomic mercury from gas streams. The gas stream is fed into an electrochemical cell containing an electrolyte solution and a three-dimensional anode with a large surface. The results can be explained by assuming that the atomic mercury is first transferred from the gas to the electrolyte solution followed by oxidatio...... hiện toàn bộ
Electrochemical studies of the nickel electrode with cobalt modification
Journal of Applied Electrochemistry - Tập 31 - Trang 245-250 - 2001
A.B. Yuan, N.X. Xu
The electrochemical behaviour of the paste-type nickel hydroxide electrode with cobalt-modified nickel foam was investigated using galvanostatic charge–discharge, electrochemical impedance spectroscopy, cyclic voltammetry and current pulse relaxation methods. Experimental results showed that the performance of the nickel electrode with substrate deposition of a thin layer of cobalt was improved ma...... hiện toàn bộ
Application of attapulgite/maltose system on mesoporous carbon material preparation for electrochemical capacitors
Journal of Applied Electrochemistry - Tập 44 Số 6 - Trang 719-725 - 2014
Xia Zhao, Heming Luo, Keming Du, Fengbo Zhang, Yabin Li
Multiwalled carbon nanotube-4-tert-butyl calix[6]arene composite electrochemical sensor for clenbuterol hydrochloride determination by means of differential pulse adsorptive stripping voltammetry
Journal of Applied Electrochemistry - Tập 42 Số 11 - Trang 979-987 - 2012
Reena R. Gaichore, Ashwini K. Srivastava
Effect of deposition potential on the microstructure and corrosion resistance of Ni–Cu alloys in ChCl-EG ionic liquids
Journal of Applied Electrochemistry - Tập 53 - Trang 2137-2151 - 2023
Chongbo Zhan, Runjia Zhang, Xu Fu, Haijing Sun, Baojie Wang, Jie Sun
Using a constant potential electrodeposition technique, bright Ni-Cu alloy plating coating was made directly on a purple copper substrate from choline chloride-ethylene glycol deep eutectic solvents (1:2 mol ChCl-EG Deep Eutectic Solvents, ChCl-EG DESs). Cyclic voltammetry (CV) and chronoamperometry (CA) were used to examine the electrochemical behavior and nucleation/growth mechanism of Ni/Cu ion...... hiện toàn bộ
Manganese oxide nanoparticles supported nitrogen-doped graphene: a durable alkaline oxygen reduction electrocatalyst
Journal of Applied Electrochemistry - Tập 48 - Trang 849-865 - 2018
Ila Jogesh Ramala Sarkar, Shaik Gouse Peera, Raghuram Chetty
Manganese oxide-based nitrogen-doped reduced graphene oxide (MnO/N-rGO) electrocatalyst was developed by a simple sol–gel process with aqueous KMnO4 and sucrose by adding nitrogen-doped reduced graphene oxide. The physical characterizations were systematically evaluated by X-ray diffraction, field emission scanning electron microscope, transmission electron microscope, and X-ray photoelectron spec...... hiện toàn bộ
Study of pulsing flow in a trickle bed using the electrodiffusion technique
Journal of Applied Electrochemistry - - 1994
N. A. Tsochatzidis, A. J. Karabelas
An electrochemical technique is employed for measuring local, instantaneous liquid-solid mass transfer coefficients in downward cocurrent gas-liquid flow through a packed bed under pulsing flow conditions. The technique involves specially designed electrodes of the same dimensions as the packing material. Also microelectrodes on the surface of a particle are tested for flow diagnostics in the micr...... hiện toàn bộ
Electrochemical behaviour of modified activated carbons in aqueous and nonaqueous solutions
Journal of Applied Electrochemistry - Tập 25 - Trang 1038-1044 - 1995
M. Pakuła, A. Świątkowski, S. Biniak
Cyclic voltammetric studies of electrodes prepared from unmodified and oxidized activated carbons were carried out. Three kinds of de-ashed commercial carbons were oxidized by treatment with concentrated nitric acid or by beating in air. For all samples the following properties were characterized: surface area (SBET), quality and quantity of surface functionalities and total bonded oxygen. Cyclic ...... hiện toàn bộ
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