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Vertically Aligned Co9S8 Nanotube Arrays onto Graphene Papers as High‐Performance Flexible Electrodes for Supercapacitors.
- Source :
- Chemistry - A European Journal; 2/16/2018, Vol. 24 Issue 10, p2339-2343, 5p
- Publication Year :
- 2018
-
Abstract
- Abstract: Paper‐like electrodes are emerging as a new category of advanced electrodes for flexible supercapacitors (SCs). Graphene, a promising two‐dimensional material with high conductivity, can be easily processed into papers. Here, we report a rational design of flexible architecture with Co<subscript>9</subscript>S<subscript>8</subscript> nanotube arrays (NAs) grown onto graphene paper (GP) via a facile two‐step hydrothermal method. When employed as flexible free‐standing electrode for SCs, the proposed architectured Co<subscript>9</subscript>S<subscript>8</subscript>/GPs exhibits superior electrochemical performance with ultrahigh capacitance and outstanding rate capability (469 F g<superscript>−1</superscript> at 10 A g<superscript>−1</superscript>). These results demonstrate that the new nanostructured Co<subscript>9</subscript>S<subscript>8</subscript>/GPs can be potentially applied in high performance flexible supercapacitors. [ABSTRACT FROM AUTHOR]
- Subjects :
- GRAPHENE
NANOTUBES
SUPERCAPACITORS
ELECTROCHEMISTRY
ELECTRODES
Subjects
Details
- Language :
- English
- ISSN :
- 09476539
- Volume :
- 24
- Issue :
- 10
- Database :
- Complementary Index
- Journal :
- Chemistry - A European Journal
- Publication Type :
- Academic Journal
- Accession number :
- 128053219
- Full Text :
- https://doi.org/10.1002/chem.201704239