Journal of The Electrochemical Society (J ELECTROCHEM SOC )

Publisher: Electrochemical Society, Electrochemical Society


The Journal of The Electrochemical Society (JES) is the leader in the field of solid-state and electrochemical science and technology. This peer-reviewed journal publishes an average of 400 pages of 60 articles each month. Articles are posted online, with a monthly paper edition following electronic publication. The ECS membership benefits package includes access to the electronic edition of this journal. Papers are selected by a prestigious editorial board and cover the following areas: Batteries and Energy Conversion, Corrosion, Passivation, and Anodic Films, Electrochemical/Chemical Deposition and Etching, Electrochemical Synthesis and Engineering, Physical and Analytical Electrochemistry, Dielectric Science and Materials, Semiconductor Devices, Materials, and Processing, Sensors and Displays: Principles, Materials, and Processing, Solid-State Topics: General, Review Papers in all of the above areas.

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    Journal of the Electrochemical Society
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Electrochemical Society

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Publications in this journal

  • [show abstract] [hide abstract]
    ABSTRACT: A simple and sequential method is presented for the fast speciation of copper in aqueous media. The use of a spectroelectrochemical flow-cell allows the quantification of individual copper oxidation states using a combination of spectroscopical and electrochemical techniques. The proposed method is based on a reverse flow injection system (r-FIA) for the spectrophotometric determination of Cu (II) with cuprizone, with a linear fit between 1.2 and 12 μ g mL − 1 and a detection limit of 0.11 μ g mL − 1. Amperometric determination of Cu (I) is synchronized with the optical measurement to avoid interferences and has a linear behavior ranged from 0.04 to 0.8 μ g mL − 1 and a detection limit of 7.7 ng mL − 1.
    Journal of The Electrochemical Society 04/2014; 161(4):H183-H188.
  • [show abstract] [hide abstract]
    ABSTRACT: Zn and Zn-TiO2 coatings were galvanostatically electrodeposited on steel substrates from chloride- and sulfate-plating baths. The influence of the electrolyte type on the dispersion behavior of TiO2 nano-particles as well as on the amount of TiO2 incorporation was studied. The electrokinetic behavior of titania in diluted electrolytes is strongly influenced by the specific adsorption of SO4 2− anions. Chemical depth profile analysis using glow discharge optical emission spectroscopy confirmed the incorporation of particles throughout the layers (up to 0.53 wt% and 0.78 wt% from chloride- and sulfate-bath respectively). Focused-ion-beam assisted cross-sectional analysis showed that TiO2 was incorporated in zinc as small agglomerates (up to ∼200 nm). The TiO2 incorporation was favorable at slightly acid pH values (below pH 5.5) for both baths. The pH zone for maximum incorporation of particles is related with the adsorption of ions at the particle surface. The chloride electrolyte led to a higher co-deposition of TiO2 over a broader pH range (2–5.5) as well as a wider range of current density (2–20 A/dm2) in contrast to sulfate electrolytes. A common feature is that the (102), (103) and (112) preferred orientations were promoted as a result of particle incorporation.
    Journal of The Electrochemical Society 04/2014; 161(4):D168-D175.
  • [show abstract] [hide abstract]
    ABSTRACT: Stepwise potentiostatic oxidation is used to reduce the thickness of thin aluminum and tantalum films from an initial thickness of 10 nm down to 2 nm. The thicknesses of the oxide and the residual metal are adjusted by the finite potential of an electrochemical oxidation procedure which consumes the initially 10 nm thick metal films. The metal–metal oxide interfaces are smooth and sharply defined. The metal consumption and oxide formation are proportional to each other by the ratio of their specific densities. This enables the derivation of a metal consumption factor for the residual metal film. Residual aluminum films show a significant increase of the specific resistivity with decreasing film thicknesses. This can be explained by modified electronic transport in the residual aluminum for example by changed electronic scattering processes at the metal–metal oxide interface or in the metal. Residual tantalum films show a weaker dependence of the specific resistivity down to 3 nm pointing to only slightly changed transport properties for electrons in the thin tantalum layers.
    Journal of The Electrochemical Society 03/2014;
  • [show abstract] [hide abstract]
    ABSTRACT: Here, we report the electrochemical response of the LTO/KB anolytes vs. lithium as function of the cycling rate in static mode (i.e. no flow) and using a home-made cell. The KB content was fixed at 2wt% while the LTO content was varied between 15 and 25wt%. The anolyte thickness in the cell was varied between 0.5 and 1.5mm. Impedance spectroscopy allowed to quantify the extent of KB percolation in the anolyte. The active mass truly electrochemically reactive is critically dependent on the extent of percolation of the KB conductive additive. Rate limitations are influenced by both the ionic and the electronic wiring of the active mass. The electronic limitations are strongly dependent on the extent of percolation of KB which is influenced by the LTO/KB ratio and cell dimensions. Above a critical thickness in the 0.5-1mm range, depending on the LTO content, the rate performance are significantly decreased. The better understanding of the rate limitations will allow a more efficient optimization of the suspension formulation as well as the design of RFB reactors
    Journal of The Electrochemical Society 02/2014;
  • [show abstract] [hide abstract]
    ABSTRACT: This paper investigates experimentally and analytically the effect of pressurization on the anodic concentration polarization of a planar anode-supported full cell with flow distributors in both anode and cathode using a recently-established high-pressure dual-chamber SOFC test facility. In it the power generating characteristics and electrochemical impedance spectra of such single-cell are measured at constant flow rates (anode: 0.5 slpm H2 + 0.4 slpm N2; cathode: 0.9 slpm air) and at a fixed operating temperature (T = 800°C) but with five different pressures (p) varying incrementally from to 1 atm to 5 atm. Measurements show that the high frequency arcs of impedance spectra decrease rather weakly with increasing p, while the low frequency arcs with characteristic frequencies occurring at about 0.5 ∼ 1 Hz decrease strongly with increasing p. It is found that the ohmic resistance is independent of p, but the polarization resistance and the calculated anodic concentration overvoltage decrease noticeably with increasing p.
    Journal of The Electrochemical Society 02/2014; 161(4):F513-F517.
  • [show abstract] [hide abstract]
    ABSTRACT: The present work demonstrates an improvement in corrosion protection of sol-gel coatings modified with a mixture of lanthanum and molybdate-enriched zeolite microparticles (La+Mo) due to synergistic effect between lanthanum and molybdate. The effect of these inhibitor species on protection of AA2024-T3 substrate has been studied by Electrochemical Impedance Spectroscopy and Localized Electrochemical Impedance Spectroscopy. Both techniques revealed an enhanced protection when compared with the case where the inhibitors were used alone. The inhibiting mechanism could involve on demand release of molybdate and lanthanum ions from the loaded zeolite followed by the formation of molybdenum oxide/hydroxide and a Mo-Na-La compound on intermetallic particles.
    Journal of The Electrochemical Society 02/2014; 161(4):C215.
  • Journal of The Electrochemical Society 02/2014; 161(4):F480.

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