Superior electrochemical performances of SnS–SnO2/NRGO heterostructures-based lithium anode with enhanced electric field effect

Inducing built-in charge transfer driving forces by constructing heteronanostructures resulted in the fascinating materials for next generation high speed electronics, optoelectronics and energy storage applications. Controllable syntheses of heteronanostructures with built-in charge transfer benefi...

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Bibliographic Details
Published in:Journal of materials research 2022-11, Vol.37 (22), p.3931-3941
Main Authors: Venkatesan, N., Shanmugharaj, A. M., Reddy, M. J. K., Won, K. H., Ryu, S. H.
Format: Article
Language:English
Subjects:
Anodes
Applied and Technical Physics
Biomaterials
Charge transfer
Chemical synthesis
Chemistry and Materials Science
Composite materials
Controllability
Electric fields
Electrochemical analysis
Electrode materials
Energy storage
Graphene
Heterostructures
Inorganic Chemistry
Invited Paper
Kinetics
Lithium-ion batteries
Materials Engineering
Materials research
Materials Science
Nanotechnology
Optoelectronics
Rechargeable batteries
Tin dioxide
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Summary:Inducing built-in charge transfer driving forces by constructing heteronanostructures resulted in the fascinating materials for next generation high speed electronics, optoelectronics and energy storage applications. Controllable syntheses of heteronanostructures with built-in charge transfer benefitted the specific charge transfer kinetics, thereby enhancing the electrochemical performances, when evaluated as an anode material for lithium-ion batteries (LIBs). In the present study, novel conversion type heteronanostructures consisting of p-type SnS and n-type SnO 2 was successfully fabricated using graphene oxide templates, which ultimately caused the construction of SnS–SnO 2 /NRGO composites. The formation of the indigenous electric field in resultant composites facilitated the charge transfer kinetics, thereby boosted electrochemical properties. When used as an electrode material in lithium-ion batteries (LIBs), synthesized composite materials deliver extraordinary specific capacity, long-term electrochemical cycling characteristics and outstanding rate capacity (1120 mAhg −1 over 500 cycles measured @100 mAg −1 ). Graphical abstract
ISSN:0884-2914
2044-5326
DOI:10.1557/s43578-022-00810-z