Effect of cationic disorder on the energy generation and energy storage applications of Ni x Co 3- x S 4 thiospinel

Thiospinels show interesting catalytic and energy storage applications, however, the cationic disorder can have major influence on the energy generation and/or energy storage applications. In this study, the effect of stoichiometric variation of metals in a thiospinel Ni Co S , is examined on energy...

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Bibliographic Details
Published in:RSC advances 2018-06, Vol.8 (42), p.24049-24058
Main Authors: Gervas, Charles, Khan, Malik Dilshad, Zhang, Chunyang, Zhao, Chen, Gupta, Ram K, Carleschi, Emanuela, Doyle, Bryan P, Revaprasadu, Neerish
Format: Article
Language:English
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Summary:Thiospinels show interesting catalytic and energy storage applications, however, the cationic disorder can have major influence on the energy generation and/or energy storage applications. In this study, the effect of stoichiometric variation of metals in a thiospinel Ni Co S , is examined on energy generation and storage properties. Nickel- or cobalt-rich Ni Co S nanosheets were prepared by the hot injection method using single molecular precursors. The nanosheets were characterized by p-XRD, TEM, HR-TEM, EDX and XPS techniques. Nickel-rich and cobalt-rich nanosheets were tested for oxygen and hydrogen evolution reactions and for supercapacitance performance. It was observed that the nickel-rich Ni Co S nanosheets have superior energy storage and energy generation properties.
ISSN:2046-2069
2046-2069
DOI:10.1039/C8RA03522A