Journal of Applied Electrochemistry (J APPL ELECTROCHEM )

Publisher: Springer Verlag

Description

The Journal of Applied Electrochemistry is the leading journal on technologically orientated aspects of electrochemistry. The interface between electrochemical science and engineering is highlighted emphasizing the application of electrochemistry to technological development and practice. The Journal publishes articles in fields such as cell design corrosion electrochemical reaction engineering the electrochemical treatment of effluents hydrometallurgy molten salt and solid state electrochemistry new battery systems solar cells and surface finishing. It also publishes review articles book reviews and news items and a comprehensive electrochemical events calendar.

  • Impact factor
    1.84
    Show impact factor history
     
    Impact factor
  • 5-year impact
    1.96
  • Cited half-life
    0.00
  • Immediacy index
    0.18
  • Eigenfactor
    0.01
  • Article influence
    0.49
  • Website
    Journal of Applied Electrochemistry website
  • Other titles
    Journal of applied electrochemistry (Online)
  • ISSN
    0021-891X
  • OCLC
    37787244
  • Material type
    Document, Periodical, Internet resource
  • Document type
    Internet Resource, Computer File, Journal / Magazine / Newspaper

Publisher details

Springer Verlag

  • Pre-print
    • Author can archive a pre-print version
  • Post-print
    • Author can archive a post-print version
  • Conditions
    • Authors own final version only can be archived
    • Publisher's version/PDF cannot be used
    • On author's website or institutional repository
    • On funders designated website/repository after 12 months at the funders request or as a result of legal obligation
    • Published source must be acknowledged
    • Must link to publisher version
    • Set phrase to accompany link to published version (The original publication is available at www.springerlink.com)
    • Articles in some journals can be made Open Access on payment of additional charge
  • Classification
    ​ green

Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: Biochar prepared from the pyrolysis of maple wood was studied as supercapacitor electrode materials. Three kinds of electrodes were fabricated: mini-chunk electrodes, thin-film electrodes, and large-disk-chunk electrodes. Their capacitive behaviors were studied using cyclic voltammetry, galvanostatic charge–discharge, and electrochemical impedance spectroscopy. The mini-chunk supercapacitor shows an electrochemical behavior similar to the supercapacitor using the thin-film electrodes. It exhibits outstanding performance characteristic of a high specific capacitance of approximately 32 F g−1 and a high stability without obvious capacitance decays upon 2,600 potential cycles. This indicates that the mini-chunk supercapacitor can be used as an mF-scale power source for electronic device applications. Moreover, the mini-chunk electrode provides a simple and fast technique to evaluate biochar materials used as potentially high-performance, low-cost, and environmental friendly supercapacitor electrodes without the need of binder and complicated fabrication procedures. However, the supercapacitor using large-disk-chunk biochar electrodes shows lower specific capacitive performance due to the high ohmic resistance stemming from long tubular structures within biochar.
    Journal of Applied Electrochemistry 10/2014; 44(10).
  • [Show abstract] [Hide abstract]
    ABSTRACT: In this work, a boron-doped diamond (BDD) electrode was evaluated for the electroanalytical determination of millimolar concentrations of Cu2+, Fe2+ and Fe3+ using chronoamperometry. The interfering role that each ion plays on the quantitative determination of other metal ion concentrations was also assessed. No interference from other metal ions was observed when Fe3+ and Fe2+ were analysed. By contrast, reduction of Fe3+ took place at the same potential where [Cu2+] was measured causing a minor interference to the Cu2+ signal. A multiple linear regression (MLR) calibration model was made for each analyte using real bioleaching samples, which demonstrated high coefficients of determination and adequate standard errors. The methods developed were used to monitor bioleaching of chalcopyrite for 4 months. The electroanalytical methods are particularly well-suited for analysing Cu2+, Fe3+ and Fe2+ concentration in acidic mine drainage (AMD) and bioleaching environments.
    Journal of Applied Electrochemistry 10/2014; 44(10).
  • [Show abstract] [Hide abstract]
    ABSTRACT: In this study, graphene was added to LiFePO4 via a hydrothermal method to improve the lithium-ion-diffusion ability of LiFePO4. The influence of graphene addition on LiFePO4 was studied by X-ray diffraction (XRD), field emission scanning electron microscopy, transmission electron microscopy, cyclic voltammetry, cycling test, and AC impedance analysis. The addition of graphene to LiFePO4 resulted in the formation of a LiFePO4–graphene composite; XRD observations revealed the composite to have a single phase with an olivine-type structure. Furthermore, LiFePO4 particles in the composite were stacked on the graphene sheet surface, thereby enabling the composite to form an effective conducting network and facilitate the penetration of the surface of active materials by an electrolyte. The lithium-ion-diffusion ability of the LiFePO4–graphene composite was greater than that of pure LiFePO4. Of a number of materials studied [namely, pure LiFePO4, LiFePO4–graphene (1 %), LiFePO4–graphene (5 %), and LiFePO4–graphene (8 %)], LiFePO4–graphene (5 %) delivered the best electrochemical performance with a lithium-ion-diffusion coefficient of 8.18 × 10−12 cm2 s−1 and the highest specific discharge capacity of 149 mAh g−1 at 0.17 C; in contrast, the corresponding values for pure LiFePO4 were 3.01 × 10−12 cm2 s−1 and 109 mAh g−1, respectively. Further, LiFePO4–graphene (5 %) showed a very high specific discharge capacity of 170 mAh g−1 at 0.1 C, which is equal to the theoretical capacity of LiFePO4.
    Journal of Applied Electrochemistry 10/2014; 44(10).
  • [Show abstract] [Hide abstract]
    ABSTRACT: In this paper, single-phase pyrite with different particle sizes is prepared by hydrothermal method with the reactants of Na2S, S, and FeSO4. Compared with natural pyrite powder, synthesized pyrite nanocubes with small particle sizes and fine distribution have lower resistance, higher specific capacity and power density during the discharging process. The enlarging contacting surface area of pyrite with electrolytes will reduce the concentration polarization caused by the discharging current and improve the utilization efficiency of the pyrite materials. When pulse currents are loaded, compared with natural pyrite single-cell thermal battery, synthetic ones have smaller voltage drops and higher power density during the pulse discharging process. Influences of particle sizes on the thermal stability of the pyrite powders have also been investigated.
    Journal of Applied Electrochemistry 10/2014; 44(10).
  • [Show abstract] [Hide abstract]
    ABSTRACT: Nanostructured copper hexacyanidoferrate has been synthesized and characterized using elemental analysis, atomic absorption spectroscopy, thermal and infrared spectral studies. The transmission electron microscopic studies of the synthesized material showed that it consisted of irregular oval and rod shaped particles with a size range 70–100 nm. Nanostructured copper hexacyanidoferrate modified glassy carbon electrode was characterized by cyclic voltammetery and nanostructured copper hexacyanidoferrate–carbon nanotube composite material modified glassy carbon electrode has been used for electrocatalytic oxidation of salbutamol. The electrode modified with composite material was found to reduce the peak potential of oxidation of salbutamol by nearly 90 mV.
    Journal of Applied Electrochemistry 10/2014; 44(10).
  • [Show abstract] [Hide abstract]
    ABSTRACT: Electrolyte flow distribution is an important factor that contributes to the performance of the overall efficiency of a redox flow battery system. In the present paper, a comparative study of the hydrodynamics of the serpentine and interdigitated flow fields has been performed. Ex situ experiments were conducted using the two flow fields in conditions typical of flow battery applications. Limited in situ testing has also been conducted. These bring out the surprising result that the pressure drop in the interdigitated flow field is less than that in the serpentine for the same flow rate. Computational fluid dynamics studies show strong under-the-rib convection in the reaction zone exists in both flow fields but with a shorter residence time in case of the interdigitated. It is posited that this may explain the superior electrochemical performance of cells with interdigitated flow fields.
    Journal of Applied Electrochemistry 09/2014; 44(9).
  • [Show abstract] [Hide abstract]
    ABSTRACT: Methyl paraben is commonly employed as a preservative in pharmaceutical preparations, personal care products and some processed foods. However, the ester constitutes a potential pollutant in aquatic environments and has been classified as an endocrine disruptor. This study describes the degradation of methyl paraben (100 mg L−1 in 0.05 mol L−1 aqueous potassium sulfate at pH 5.7) by means of an electrochemical process (employing a boron-doped diamond anode) either alone or coupled with sonolysis. Electrolyses were performed at 25, 30 and 35 ± 1 °C during 120 min using applied constant current densities of 10.8 and 21.6 mA cm−2. The hybrid sonoelectrochemical processes were conducted under similar conditions with the application of ultrasound at a frequency of 20 kHz and a power intensity of 523 W cm−2. Although mineralization of methyl paraben could be achieved using either process, in comparison with the electrochemical method, the hybrid technique showed a higher mineralization efficiency (around 60 %) with approximately 50 % removal of total organic carbon, thereby confirming the synergistic effect of sonolysis.
    Journal of Applied Electrochemistry 08/2014; 44:1.
  • [Show abstract] [Hide abstract]
    ABSTRACT: A small quantity of palladium metal (Pd, 5 wt%) nanoparticles supported by a polypyrrole/manganese oxyhydroxide (PPy/MOH) nanocomposite was developed and investigated as an electrocatalyst for the alcohol electrooxidation reaction in alkaline media. In voltammetric studies, the PPy/MOH/Pd catalyst, compared to C/Pd, exhibited improved electrocatalytic activity for methanol electrooxidation. The peak current density ratios (j f/j b) for the C/Pd and PPy/MOH/Pd nanocomposite electrodes were 0.67 and 2.43, respectively, indicating that the PPy/MOH/Pd nanocomposite electrode was much more resistant to catalytic poisoning. The electrooxidation of ethylene glycol (EG), glycerol, and xylitol was also tested using the PPy/MOH/Pd nanocomposite electrode. Among these alcohol electrooxidations, that of EG exhibited the maximum power density of 430 mA cm−2. The intermediates formed during the electrooxidation reactions were removed by increasing the upper sweep potential from +0.2 to +1.0 V. The catalytic performance of the PPy/MOH nanocomposite is discussed in detail. The study results demonstrate that PPy/MOH acts as a superior catalytic supporting material for alcohol electrooxidation reactions in alkaline media.
    Journal of Applied Electrochemistry 08/2014; 44(8).
  • [Show abstract] [Hide abstract]
    ABSTRACT: In this article, simultaneous determination of dihydroxybenzene isomers [hydroquinone (HQ), catechol (CC), and resorcinol (RC)] was investigated using cyclic voltammetry (CV) and differential pulse voltammetry (DPV) at thionine functionalized multiwalled carbon nanotube (TH-MWCNTs) modified glass carbon electrode. CV and DPV results showed that the TH-MWCNTs modified electrode exhibited excellent recognition ability toward the three isomers of dihydroxybenzene. Their oxidize peak currents were linear over ranges from 9.0 × 10−7 to 3.6 × 10−4 M for HQ, from 3.3 × 10−6 to 8.1 × 10−4 M for CC and from 4.3 × 10−6 to 9.0 × 10−4 M for RC, with the detection limits of 2.7 × 10−7, 1.0 × 10−6, and 1.1 × 10−6 M, respectively. The proposed method would potentially be applied to multi-component analysis in environmental control and chemical industry.
    Journal of Applied Electrochemistry 05/2014; 44(5).
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    ABSTRACT: Eight commercial 10F electrochemical double-layer capacitors (EDLCs) were connected together and placed in a container filled with mineral oil. The whole system was placed into a Dewar container. Temperature variation and heat exchanged between the test EDLC and the environment during its charging, discharging, and “self-discharge” were measured, together with voltage U changes. Charge separation during charging was equivalent to a transition into a more ordered system, which results in entropy decrease, while discharging caused entropy increase (the Peltier–Seebeck effect). Consequently, a number of charging/discharging cycles led to a corresponding series of entropy and temperature changes. The final shape of temperature versus time curve during charging/discharging cycles was due to overlapping of irreversible Joule–Lenz and reversible Peltier heats. When charged EDLC was kept under the open-circuit condition, measured heat flow was negligible in comparison to energy loss calculated from potential drop, assuming that energy E accumulated is proportional at any time to voltage to the second power (i.e., E ~ U 2). The result was interpreted assuming that the EDLC “self-discharge” phenomenon is not associated with energy loss by the device, but rather with charge redistribution between EDLC particles characterized by different time constants.
    Journal of Applied Electrochemistry 05/2014; 44(5).
  • [Show abstract] [Hide abstract]
    ABSTRACT: Samarium-doped ceria (SDC) is coated onto a Ni/yttria-stabilized zirconia (Ni/YSZ) anode for the direct use of methane in solid-oxide fuel cells. Porous SDC thin layer is applied to the anode using the sol–gel coating method. The experiment was performed in H2 and CH4 conditions at 800 °C. The cell performance was improved by approximately 20 % in H2 conditions by the SDC coating, due to the high ionic conductivity, the mixed ionic and electronic conductive property of the SDC, and the increased triple phase boundary area by the SDC coating in the anode. Carbon was hardly deposited in the SDC-coated Ni/YSZ anode. The cell performance of the SDC-coated Ni/YSZ anode did not show any significant degradation for up to 90 h under 0.1 A cm−2 at 800 °C. The porous thin SDC coating on the Ni/YSZ anode provided the electrochemical oxidation of CH4 over the whole anode, and minimized the carbon deposition by electrochemical carbon oxidation.
    Journal of Applied Electrochemistry 05/2014; 44(5).
  • [Show abstract] [Hide abstract]
    ABSTRACT: The aim of this work is to study the effect of chloride ions in the performance of LDX 2003 alloy and to characterize the interface formed in simulated concrete and simulated concrete-pore solutions. In order to have a baseline for analyzing LDX 2003 performance, this alloy is compared with two commonly used materials, AISI 1008 and SAE 316L. Electrochemical techniques such as potentiodynamic scan and electrochemical impedance spectroscopy are used to analyze the qualitative characteristics of the passive layer in four different chloride concentrations for the simulated concrete solutions: 0, 0.05, 0.7, and 3.5 wt%; and four different ratios of [Cl−]/[OH−] for the simulated concrete-pore solution: 0, 0.1, 1.0, and 10. For long-term experimental condition, equivalent circuits analogs were applied and the results were analyzed to describe and quantify meaningful parameters for corrosion performance. The electrochemical techniques are complemented by high resolution techniques, such as scanning electron microscopy, atomic force microscopy, and 3D optical microscopy.
    Journal of Applied Electrochemistry 05/2014; 44(5).

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