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A polysulfide reduction accelerator – NiS2-modified sulfurized polyacrylonitrile as a high performance cathode material for lithium–sulfur batteries.
- Source :
- Journal of Materials Chemistry A; 11/14/2017, Vol. 5 Issue 42, p22120-22124, 5p
- Publication Year :
- 2017
-
Abstract
- A NiS<subscript>2</subscript>-modified sulfurized polyacrylonitrile composite is prepared by simply co-heating a mixture of sulfur, NiCO<subscript>3</subscript>, and polyacrylonitrile. The NiS<subscript>2</subscript>–SPAN cathode exhibits superior electrochemical performance, delivering a high reversible capacity of 1533 mA h g<subscript>sulfur</subscript><superscript>−1</superscript> (705 mA h g<subscript>composite</subscript><superscript>−1</superscript>) at 0.2 A g<superscript>−1</superscript> after 100 cycles and good rate capability (1180 mA h g<subscript>sulfur</subscript><superscript>−1</superscript> at 2 A g<superscript>−1</superscript>). [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 20507488
- Volume :
- 5
- Issue :
- 42
- Database :
- Complementary Index
- Journal :
- Journal of Materials Chemistry A
- Publication Type :
- Academic Journal
- Accession number :
- 125980158
- Full Text :
- https://doi.org/10.1039/c7ta04279e