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July 15, 2014

ChemElectroChem 07/2014: Materials and Methods

ChemElectroChem 07/2014: Materials and MethodsIssue 7 contains a mixture of reviews, full papers, and communications covering very different areas in electrochemistry. In a Review, B. Van der Bruggen and colleagues describe "electrokinetic remediation" as a suitable technique for the restoration of saline soil and the control of seawater intrusion. In the Articles section, J. Roncali and co-workers report on the production of nanostructured conjugated polymers by electropolymerization of tailored tetrahedral precursors, and D. S. Silvester, D. W. M. Arrigan et al. present their results on the electrochemical characterization of an oleyl-coated magnetite nanoparticle-modified electrode. The Communication by P. Schmuki and colleagues shows that controlled thermal annealing can tune the photoelectrochemical properties of nanochanneled tin-oxide structures.

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  1. Hollow α-Fe2O3 Nanospheres Synthesized Using a Carbon Template as Novel Anode Materials for Na-Ion Batteries

    Shubo Wang, Wei Wang, Pan Zhan and Prof. Dr. Shuqiang Jiao

    Article first published online: 25 AUG 2014 | DOI: 10.1002/celc.201402208

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    Energy storage: Hollow α-Fe2O3 nanospheres composed of small, thin, and densely packed particle-like subunits are synthesized. The open channels and tiny particles present within the nanostructures reduce the impact of volume changes and particle pulverization and offer the Na ions an easy access to the material.

  2. Proof of Concept of the Electrochemical Sensing of 3-Iodothyronamine (T1AM) and Thyronamine (T0AM)

    Dr. Luís M. Gonçalves, Dr. Manuela M. Moreira, Carla F. Azevedo, Inês M. Valente, Dr. João C. Sousa, Prof. Dr. Thomas S. Scanlan, Prof. Dr. Richard G. Compton and Dr. José A. Rodrigues

    Article first published online: 25 AUG 2014 | DOI: 10.1002/celc.201402165

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    Blame it on the hormones! The thyroid hormones T1AM and T0AM are electrochemically analyzed by using cyclic voltammetry. These two molecules are sensed in an oxidative manner by means of a glassy carbon electrode (see picture). In addition, T1AM is sensed reductively by using a hanging mercury-drop electrode.

  3. Water-Soluble Conductive Composite Binder Containing PEDOT:PSS as Conduction Promoting Agent for Si Anode of Lithium-Ion Batteries

    Dan Shao, Dr. Haoxiang Zhong and Prof. Lingzhi Zhang

    Article first published online: 25 AUG 2014 | DOI: 10.1002/celc.201402210

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    Water-soluble conductive composite binder: A water-soluble composite binder consisting of CMC as binder and PEDOT:PSS as conduction-promoting agent is reported to improve the conducting connection and compaction density of Si electrode by reducing the commonly used conducting agent content in the electrode formulation, and thus improve the electrochemical performance of the Si electrode.

  4. Electrochemically Controlled One-Electron Oxidation Coupled to Consecutive Hydrogen Atom Transfer of Caffeine

    Kwok Kiong Chan, Dr. Rakesh Ganguly, Dr. Yongxin Li and Prof. Dr. Richard D. Webster

    Article first published online: 25 AUG 2014 | DOI: 10.1002/celc.201402203

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    Too much water: Oxidation of caffeine (CAF) in acetonitrile on a Pt electrode is studied using cyclic voltammetry, controlled potential electrolysis and chemical oxidation. The oxidation of CAF generates a protonated CAF cation (CAFH+). The formation of CAFH+ involves a one-electron oxidation of CAF followed by a hydrogen atom abstraction reaction (see picture).

  5. Insights on Hybrid Glucose Biofuel Cells Based on Bilirubin Oxidase Cathode and Gold-Based Anode Nanomaterials

    Yaovi Holade, Adriana Both Engel, Dr. Sophie Tingry, Dr. Aziz Cherifi, Prof. Dr. D. Cornu, Dr. Karine Servat, Dr. Têko W. Napporn and Prof. Dr. Kouakou B. Kokoh

    Article first published online: 22 AUG 2014 | DOI: 10.1002/celc.201402142

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    Biofuel cell highlights: A robust, facile, and surfactant-free process has been used to synthesize clean and highly active gold-based nanoscale materials for glucose electrooxidation in a hybrid glucose biofuel cell (h-GBFC). Substantial improvements in the performance of the h-GBFC have been highlighted.