Results overview: Found 4 records in 0.02 seconds.
Articles, 4 records found
Articles 4 records found  
1.
5 p, 2.8 MB Demonstrating the steady performance of iron oxide composites over 2000 cycles at fast charge-rates for Li-ion batteries / Sun, Z. (Ruhr-Universität Bochum (Alemanya)) ; Madej, E. (Ruhr-Universität Bochum (Alemanya)) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Muhler, Martin (Ruhr-Universität Bochum (Alemanya)) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Schuhmann, Wolfgang (Ruhr-Universität Bochum (Alemanya)) ; Ventosa, Edgar (Ruhr-Universität Bochum (Alemanya))
The feasibility of using iron oxides as negative electrode materials for safe high-power Li-ion batteries is demonstrated by the carbon-coated FeO/CNT composite synthesized by controlled pyrolysis of ferrocene, which delivered a specific capacity retention of 84% (445 mA h g) after 2000 cycles at 2000 mA g (4C).
2016 - 10.1039/c6cc00168h
Chemical Communications, Vol. 52, Núm. 46 (2016) , p. 7348-7351  
2.
9 p, 1.2 MB Polybenzoxazine-derived N-doped carbon as matrix for powder-based electrocatalysts / Barwe, Stephan (Ruhr-Universität Bochum. Center for Electrochemical Sciences) ; Andronescu, Corina (Ruhr-Universität Bochum. Center for Electrochemical Sciences) ; Masa, Justus (Ruhr-Universität Bochum. Center for Electrochemical Sciences) ; Ventosa, Edgar (Ruhr-Universität Bochum. Center for Electrochemical Sciences) ; Klink, Stefan (Ruhr-Universität Bochum. Center for Electrochemical Sciences) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Schuhmann, Wolfgang (Analytical Chemistry. Center for Electrochemical Sciences (CES). Ruhr-Universität Bochum)
In addition to catalytic activity, intrinsic stability, tight immobilization on a suitable electrode surface, and sufficient electronic conductivity are fundamental prerequisites for the long-term operation of particle- and especially powder-based electrocatalysts. [...]
2017 - 10.1002/cssc.201700593
ChemSusChem, Vol. 10, issue 12 (June 2017) , p. 2653-2659  
3.
18 p, 1.4 MB Ultrathin High Surface Area Nickel Boride (NixB) Nanosheets as Highly Efficient Electrocatalyst for Oxygen Evolution / Masa, Justus (Ruhr-Universität Bochum (Alemanya)) ; Sinev, Ilya (Ruhr-Universität Bochum (Alemanya)) ; Mistry, Hemma (Ruhr-Universität Bochum (Alemanya)) ; Ventosa, Edgar (Ruhr-Universität Bochum (Alemanya)) ; De La Mata, Maria (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Muhler, Martin (Ruhr-Universität Bochum (Alemanya)) ; Roldan Cuenya, Beatriz (Ruhr-Universität Bochum (Alemanya)) ; Schuhmann, Wolfgang (Ruhr-Universität Bochum (Alemanya))
The overriding obstacle to mass production of hydrogen from water as the premium fuel for powering our planet is the frustratingly slow kinetics of the oxygen evolution reaction (OER). Additionally, inadequate understanding of the key barriers of the OER is a hindrance to insightful design of advanced OER catalysts. [...]
2017 - 10.1002/aenm.201700381
Advanced Energy Materials, Vol. 7, Núm. 17 (September 2017) , article 1700381  
4.
29 p, 1.3 MB Cobalt boride modified with N-doped carbon nanotubes as a high-performance bifunctional oxygen electrocatalyst / Elumeeva, Karina (Ruhr-Universität Bochum (Alemanya)) ; Masa, Jistis (Ruhr-Universität Bochum (Alemanya)) ; Medina, Danea (Ruhr-Universität Bochum (Alemanya)) ; Ventosa, Edgar (Ruhr-Universität Bochum (Alemanya)) ; Seisel, Sabine (Ruhr-Universität Bochum (Alemanya)) ; Kayran, Yasin Ugur (Ruhr-Universität Bochum (Alemanya)) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Bobrowski, Tim (Ruhr-Universität Bochum (Alemanya)) ; Weide, Philippe (Ruhr-Universität Bochum (Alemanya)) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Muhler, Martin (Ruhr-Universität Bochum (Alemanya)) ; Schuhmann, Wolfgang (Ruhr-Universität Bochum (Alemanya))
The development of reversible oxygen electrodes, able to drive both the oxygen evolution reaction (OER) and the oxygen reduction reaction (ORR), is still a great challenge. We describe a very efficient and stable bifunctional electrocatalytic system for reversible oxygen electrodes obtained by direct CVD growth of nitrogen-doped carbon nanotubes (NCNTs) on the surface of cobalt boride (CoB) nanoparticles. [...]
2017 - 10.1039/c7ta06995b
Journal of materials chemistry A, Vol. 5, issue 40 (Oct. 2017) , p. 21122-21129  

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