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Design of cuboidal FeNi2S4-rGO-MWCNTs composite for lithium-ion battery anode showing excellent half and full cell performances

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Date
29/11/2022
Author
Pramanik, Atin
Chattopadhyay, Shreyasi
De, Goutam
Mahanty, Sourindra
Keywords
Ternary metal sulfide
FeNi2S4
Hydrothermal synthesis
Lithium-ion battery anode
Electrochemical energy storage
QD Chemistry
NDAS
MCC
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Abstract
Ternary metal sulfides are projected as advanced lithium-ion battery (LIB) anodes due to their superior electronic conductivity and specific capacity compared to their respective oxide counterparts. Herein, a porous composite of cuboidal FeNi2S4 (FNS) with 2D reduced graphene oxide (rGO) and 1D multi-walled carbon nanotubes (MWCNTs) (composite name: FNS@GC) synthesised by an in-situ single-step hydrothermal process. The 1D/2D combined thin carbon coatings on the FeNi2S4 prevent aggregation during battery performance by increasing conductivity and resisting the volume changes at lithiation/de-lithiation processes. Consequently, the FNS@GC composite exhibits a commending electrochemical performance with a charge capacity of 797 mAh g-1 and a first cycle coulombic efficiency of ~67% with reversible capacity restoration property and excellent longterm cycling stability. Furthermore, FNS@GC//LiFePO4 full cell reveals its practical applicability as a LIB anode with a reversible capacity of 77 mAh g-1 at 50 mA g-1 current density.
Citation
Pramanik , A , Chattopadhyay , S , De , G & Mahanty , S 2022 , ' Design of cuboidal FeNi 2 S 4 -rGO-MWCNTs composite for lithium-ion battery anode showing excellent half and full cell performances ' , Batteries , vol. 8 , no. 12 , 261 . https://doi.org/10.3390/batteries8120261
Publication
Batteries
Status
Peer reviewed
DOI
https://doi.org/10.3390/batteries8120261
ISSN
2313-0105
Type
Journal article
Rights
Copyright © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Description
Funding: AP thanks CSIR India for senior research fellowship (Award Nos. 31/15(136)/2017-EMR-I). SC thanks UGC, India for research fellowship (Award No. F.2-44/2011(SA-I).
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/26514

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