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 website
  • Other titles
    Journal of the Electrochemical Society
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    Periodical, Internet resource
  • Document type
    Journal / Magazine / Newspaper, Internet Resource

Publisher details

Electrochemical Society

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    • Author can archive a post-print version
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    • Publisher copyright and source must be acknowledged with set statement (see policy)
    • Postings made or updated after acceptance must link to publisher version
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Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: Energy dispersive X-ray diffraction (EDXRD) with photons of high energy and high flux is used to map crystalline discharge products within alkaline AA cells following discharge at various rates: C/160, C/80, C/40, C/20, C/10, and C/5. During the study, the sealed cells are never opened and thus never exposed to air. The technique’s resolution allows the various manganese oxide discharge products to be distinguished, which has previously proven difficult. In particular, colocalized Mn3O4 (hausmannite) and ZnMn2O4 (hetaerolite) phases are resolved at C/160, C/80, and C/40 rates. Following more rapid discharge at C/20, no hausmannite is observed: instead, two well-defined zones result, one consisting only of hetaerolite, and the other only of α-MnOOH (groutite), with a small transition region where both phases are detected.Modeling suggests the observed hetaerolite-groutite boundary positions are consistent with hetaerolite formation in regions of greater active material utilization. Radial hetaerolite and hausmannite profiles are calculated and found to be a function of the discharge current, which also determines discharge capacity. Results also show formation of a α-MnOOH phase from oxidation states MnO1.7 to MnO1.53 with relatively little γ-MnOOH character.
    Journal of The Electrochemical Society 01/2015; 162(1):A162-A168.
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    ABSTRACT: A solid-state ion-selective electrode for detection of tramadol has been fabricated utilizing polyaniline nanoparticles as an ion-toelectron transducer layer. The polyaniline (PANI) nanoparticles were synthesized by the micellar emulsion chemical polymerization method and the mean particle size was ∼8 nm. The inclusion of PANI nanoparticles as an ion-to-electron transducer layer between an ionophore-doped PVC membrane and solid contact electrodes was carried out to improve the stability of the electrical signal. Both short and long-term stability studies were performed and compared to PANI free electrodes. Furthermore, the electrode’s stability at various pH levels was investigated. The formation of water at PANI/solid contact interface was studied. Results indicate an absence of the water layer at the interface. The PANI/solid contact electrodes had good piece-to-piece reproducibility and potential stability over 30 days. The fabricated electrodes were utilized for tramadol determination as a model pharmaceutical drug in the presence of all excipients; the linear range was 10−6 to 10−2 mol L−1, pH stability range was from 3–7 and the detection limit was calculated to be 3.9 × 10−7 mol L−1.
    Journal of The Electrochemical Society 01/2015; 162(1):H1-H5.
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    ABSTRACT: An elementary kinetic model is developed and applied to explore the influence of sulfur poisoning on the behavior of solid oxide fuel cell (SOFC) anodes. A detailed multi-step reaction mechanism of sulfur formation and oxidation at Ni/YSZ anodes together with channel gas-flow, porous-media transport and elementary charge-transfer chemistry is established for SOFCs operating on H2/H2O mixtures with trace amounts of hydrogen sulfide (H2S). A thermodynamic and kinetic data set is compiled from various literature sources. The derived chemical model, validated against sulfur chemisorption isobars taken from literature, is used to analyze performance drops of SOFCs working under typical fuel cell operating conditions. Electrochemical results show that at relatively low H2S concentrations SOFC button-cell performance can be interpreted using chemical sulfur formation. However, when the concentration is sufficiently high, the inclusion of second stage degradation and triple-phase boundary reconstruction is necessary to describe the performance decrease. Additionally, it is shown that the sulfur surface coverage increases with increasing current density. In order to shed more light on advanced fundamental understanding of cell poisoning, sensitive analyses toward total anode resistance and sulfur coverage for different operating conditions were performed.
    Journal of The Electrochemical Society 01/2015; 162(1):F65-F75.
  • Journal of The Electrochemical Society 01/2015; 162(1):F129-F135.
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    ABSTRACT: Metal-supported solid oxide fuel cells with porous 430L stainless steel substrates, YSZ electrolytes and porous YSZ cathode backbones are studied. The tri-layer structure is obtained by the tape casting, lamination and co-firing techniques. Nano Ni- Ce0.8Sm0.2O2-δ (SDC) and La0.6Sr0.4Fe0.9Sc0.1O3-δ (LSFSc) particles, which act as the anode and cathode catalysts, individually, are impregnated onto the internal surfaces of the porous 430L and YSZ, respectively. The maximum power densities of the single cell are 0.68, 0.92, 1.09 and 1.23 Wcm−2 at 650, 700, 750 and 800 ◦C, respectively. Initial 190 h stability test of the single cell at 600 ◦C under a constant voltage of 0.7 V shows that the current density is stable at about 0.6 A cm−2 and no obvious degradation is observed.
    Journal of The Electrochemical Society 12/2014;
  • Journal of The Electrochemical Society 12/2014; 161:F337.
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    ABSTRACT: In this work, a YSZ electrolyte based solid oxide cell (SOC) with La0.6Sr0.4Co0.2Fe0.8O3-δ-Gd0.1Ce0.9O2-δ (LSCF6428-GDC) composite oxygen-electrode and a barrier layer of GDC between the electrolyte and oxygen electrode was fabricated and its performance was investigated while operating in fuel cell mode and steam/CO2 co-electrolysis mode in 700–850°C range. The distribution of relaxation times (DRT) analysis of the electrochemical impedance spectroscopy (EIS) data was employed to isolate the contributions of electrode polarization processes. The reversibility of SOC was tested during the SOFC and steam/CO2 co-electrolysis operations at 800°C. It was observed that at low current densities the current-voltage (i-V) curves showed good continuity across the open circuit voltage (OCV) but minor fluctuations in the SOC performance were observed at the higher current densities, which could be due to the gas-diffusion limitation of the reactants inside the electrodes or the microstructural changes occurring due to the electrode degradation.
    Journal of The Electrochemical Society 11/2014; 162(1):F54-F59.