Cited by 428Electrocatalysts for Energy ConversionSupercapacitor Materials and FabricationCO2 Reduction Techniques and Catalysts

Cobalt Sulfide Nanosheet/Graphene/Carbon Nanotube Nanocomposites as Flexible Electrodes for Hydrogen Evolution

Peng, Shengjie, Li, Linlin, Han, Xiaopeng, Sun, Wenping, Srinivasan, Madhavi, Mhaisalkar, Subodh G., Cheng, Fangyi, Yan, Qingyu +2 more·2014·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 (CoS 2/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 CoS 2, graphene, and CNTs leads to unique CoS 2/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.

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Crossref · 10.1002/anie.201408876

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64 of 64 references verified0 citation errors · 0 not checkable

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Authors
Peng, S., Li, L., Han, X., Sun, W., Srinivasan, M., Mhaisalkar, S. G., Cheng, F., Yan, Q., Chen, J., & Ramakrishna, S.
Affiliations
  • National University of Singapore (SG)
  • Nanyang Technological University (SG)
  • Nankai University (CN)
Corresponding author
  • Cheng, Fangyi
  • Yan, Qingyu
  • Ramakrishna, Seeram
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2014-10-08
Volume
53
Issue
46
Pages
12594-12599
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2171459481
Cited by
428
References
64
Citations by year
2026: 2 · 2025: 11 · 2024: 10 · 2023: 12 · 2022: 23 · 2021: 37 · 2020: 45 · 2019: 58 · 2018: 58 · 2017: 80 · 2016: 57 · 2015: 35
FWCI
18.92
Type
journal article
Language
en
Open access
closed
Locations
  • Angewandte Chemie International Edition (publishedVersion)
  • PubMed (publishedVersion)
  • DR-NTU (Nanyang Technological University) (submittedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Supercapacitor Materials and Fabrication
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
Keywords
cobalt sulfide, reduced graphene oxide, carbon nanotubes, nanocomposites, flexible electrodes, hydrogen evolution reaction, electrocatalysis, non-noble metal electrocatalysts, hydrothermal synthesis, vacuum filtration, wearable electronics, electrochemical stability

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