DataVXACS Applied Energy MaterialsPaper
journal article·2018-07-23

Cluster Beam Deposition of Ultrafine Cobalt and Ruthenium Clusters for Efficient and Stable Oxygen Evolution Reaction

Junyuan Xu, Shane Murphy, Dehua Xiong, Rongsheng Cai, Xian-Kui Wei, Marc Heggen, Emanuele Barborini, Simone Vinati, Rafal E. Dunin-Borkowski, Richard E. Palmer, Lifeng Liu

ACS Applied Energy Materials· Volume 1· Issue 7
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Source abstract

Abstract

Ultrafine cobalt and ruthenium clusters are deposited on carbon paper substrates by cluster beam deposition using a matrix assembly cluster source and a pulsed microplasma cluster source, respectively. When used to catalyze the oxygen evolution reaction (OER), the cobalt and ruthenium clusters show electrocatalytic performance superior to the state-of-the-art Ru/C and RuO2 nanoparticle catalysts on both a mass and a specific-surface-area basis. Typically, the cobalt clusters can deliver 10 mA cm–2 at a low overpotential of 320 mV and show a small Tafel slope of 50 mV dec–1 and a mass-based turnover frequency of 0.01 s–1 at an overpotential of 300 mV, outperforming many cobalt-based OER catalysts.
Source: openalex_inverted_index · Quality: baseline

Research context

NanomaterialsCatalysis & surfacesMaterials processing

OpenAlex topics: Electrocatalysts for Energy Conversion · Advanced battery technologies research · Fuel Cells and Related Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

International Iberian Nanotechnology Laboratory (INL), 4715-330 Braga, Portugal

Nanoscale Physics Research Laboratory, School of Physics and Astronomy, University of Birmingham, Birmingham B15 2TT, United Kingdom

College of Engineering, Swansea University, Bay Campus, Fabian Way, Swansea SA1 8EN, United Kingdom

Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany

Tethis S.p.A., via Russoli 3, 20143 Milano, Italy

Funding

H2020 Leadership in Enabling and Industrial Technologies · Funda??o para a Ci?ncia e a Tecnologia

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