ChemSusChem

Cover image for Vol. 10 Issue 2

Editor: David Smith; Editorial Board Chairs: Matthias Beller, Gabriele Centi, Licheng Sun

Impact Factor: 7.116

ISI Journal Citation Reports © Ranking: 2015: 2/29 (Subject); 20/163 (Chemistry Multidisciplinary)

Online ISSN: 1864-564X

Associated Title(s): Angewandte Chemie International Edition, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemCatChem, ChemElectroChem, ChemPhysChem, Energy Technology

1_12/2008Cover Picture: Catalytic Synthesis of Neutral H2O2 Solutions from O2 and H2 by a Fuel Cell Reaction (ChemSusChem 12/2008)

The cover picture shows the scheme of a polymer electrolyte membrane fuel cell (PEMFC) reactor for the catalytic synthesis of neutral solutions of hydrogen peroxide from hydrogen and oxygen. The industrial synthesis of H2O2 is currently limited to the multistep anthraquinone method, and the production costs and transport limitations of H2O2 are serious disadvantages for its wider use. Thus, methods for its direct production from O2 and H2 are much sought after. In their Communication on page 988 ff., I. Yamanaka et al. report the safe and direct synthesis of neutral H2O2 solutions from O2 and H2 using a new active cathode comprised of a Co-tetraphenylporphyrin electrocatalyst on vapour-grown carbon fibre. A maximum concentration of 13.5 wt % (4.0 m) H2O2 was obtained at a current density of 90 mA cm−2 with a current efficiency of 42 % at 278 K.

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