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Title: Cobalt sulfide nanosheet/graphene/carbon nanotube nanocomposites as flexible electrodes for hydrogen evolution
Authors: Peng, Shengjie
Li, Linlin
Han, Xiaopeng
Sun, Wenping
Srinivasan, Madhavi
Mhaisalkar, Subodh Gautam
Cheng, Fangyi
Yan, Qingyu
Chen, Jun
Ramakrishna, Seeram
Keywords: DRNTU::Science::Chemistry::Organic chemistry::Carbanions
Issue Date: 2014
Source: Peng, S., Li, L., Han, X., Sun, W., Srinivasan, M., Mhaisalkar, S. G., et al. (2014). Cobalt sulfide nanosheet/graphene/carbon nanotube nanocomposites as flexible electrodes for hydrogen evolution. Angewandte chemie international edition, 53(46), 12594–12599.
Series/Report no.: Angewandte chemie international edition
Abstract: Flexible three-dimensional (3D) nanoarchitectures have received tremendous interest recently because of their potential applications in wearable electronics, roll-up displays, and other devices. The design and fabrication of a flexible and robust electrode based on cobalt sulfide/reduced graphene oxide/carbon nanotube (CoS2/RGO-CNT) nanocomposites are reported. An efficient hydrothermal process combined with vacuum filtration was used to synthesize such composite architecture, which was then embedded in a porous CNT network. This conductive and robust film is evaluated as electrocatalyst for the hydrogen evolution reaction. The synergistic effect of CoS2, graphene, and CNTs leads to unique CoS2/RGO-CNT nanoarchitectures, the HER activity of which is among the highest for non-noble metal electrocatalysts, showing 10 mA cm−2 current density at about 142 mV overpotentials and a high electrochemical stability.
ISSN: 1433-7851
DOI: 10.1002/anie.201408876
Rights: © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles


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