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Exfoliated MoS2 Sheets and Reduced Graphene Oxide-An Excellent and Fast Anode for Sodium-ion Battery

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep12571· OSTI ID:1624786
 [1];  [2]
  1. Indian Inst. of Technology Bombay (IITB), Mumbai (India); DOE/OSTI
  2. Indian Inst. of Technology Bombay (IITB), Mumbai (India)
Three dimensional (3D) MoS2 nanoflowers are successfully synthesized by hydrothermal method. Further, a composite of as prepared MoS2 nanoflowers and rGO is constructed by simple ultrasonic exfoliation technique. The crystallography and morphological studies have been carried out by XRD, FE-SEM, TEM, HR-TEM and EDS etc. Here, XRD study revealed, a composite of exfoliated MoS2 with expanded spacing of (002) crystal plane and rGO can be prepared by simple 40 minute of ultrasonic treatment. While, FE-SEM and TEM studies depict, individual MoS2 nanoflowers with an average diameter of 200 nm are uniformly distributed throughout the rGO surface. When tested as sodium-ion batteries anode material by applying two different potential windows, the composite demonstrates a high reversible specific capacity of 575 mAhg-1 at 100 mAg-1 in between 0.01 V–2.6 V and 218 mAhg-1 at 50 mAg-1 when discharged in a potential range of 0.4 V–2.6 V. As per our concern, the results are one of the best obtained as compared to the earlier published one on MoS2 based SIB anode material and more importantly this material shows such an excellent reversible Na-storage capacity and good cycling stability without addition of any expensive additive stabilizer, like fluoroethylene carbonate (FEC), in comparison to those in current literature.
Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
Ministry of New and Renewable Energy (MNRE); USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1624786
Journal Information:
Scientific Reports, Journal Name: Scientific Reports Journal Issue: 1 Vol. 5; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Nanostructured Metal Chalcogenides for Energy Storage and Electrocatalysis journal August 2017
An Integrated Free-Standing Flexible Electrode with Holey-Structured 2D Bimetallic Phosphide Nanosheets for Sodium-Ion Batteries journal April 2018
Advances and Challenges in Metal Sulfides/Selenides for Next-Generation Rechargeable Sodium-Ion Batteries journal June 2017
Hierarchically Organized Ultrathin NiO Nanofibers/Highly Defective‐rGO Heteronanocomposite: An Advanced Electrode Material for Asymmetric Supercapacitors journal August 2019
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Advanced Carbon‐Based Anodes for Potassium‐Ion Batteries journal April 2019
A 3D Trilayered CNT/MoSe 2 /C Heterostructure with an Expanded MoSe 2 Interlayer Spacing for an Efficient Sodium Storage journal July 2019
Promoting Highly Reversible Sodium Storage of Iron Sulfide Hollow Polyhedrons via Cobalt Incorporation and Graphene Wrapping journal July 2019
Schwefel‐basierte Elektroden mit Mehrelektronenreaktionen für Raumtemperatur‐Natriumionenspeicherung journal July 2019
Sulfur-Based Electrodes that Function via Multielectron Reactions for Room-Temperature Sodium-Ion Storage journal July 2019
Elemental Sulfur Nanoparticles Chemically Boost the Sodium Storage Performance of MoS 2 /rGO Anodes journal August 2018
Carbon Wrapped Monodispersed FeP Nanoparticles for Lithium Storage with long Cycle Life journal November 2018
Sulfur, Nitrogen Dual Doped Reduced Graphene Oxide Supported Two‐Dimensional Sb 2 S 3 Nanostructures for the Anode Material of Sodium‐Ion Battery journal June 2019
Sandwich-like MoS 2 @SnO 2 @C with High Capacity and Stability for Sodium/Potassium Ion Batteries journal March 2018
Insights into the Crystallinity of Layer‐Structured Transition Metal Dichalcogenides on Potassium Ion Battery Performance: A Case Study of Molybdenum Disulfide journal March 2019
Explicating the Sodium Storage Kinetics and Redox Mechanism of Highly Pseudocapacitive Binary Transition Metal Sulfide via Operando Techniques and Ab Initio Evaluation journal May 2019
Metal Chalcogenides: Paving the Way for High‐Performance Sodium/Potassium‐Ion Batteries journal October 2019
Electrochemical performance of interspace-expanded molybdenum disulfide few-layer journal July 2018
In-situ TEM investigation of MoS2 upon alkali metal intercalation journal November 2017
Recent Advances in Sodium-Ion Battery Materials journal June 2018
Hybrid two-dimensional materials in rechargeable battery applications and their microscopic mechanisms journal January 2016
Well-dispersed and porous FeP@C nanoplates with stable and ultrafast lithium storage performance through conversion reaction mechanism journal January 2016
One-pot synthesis of multicomponent (Mo, Co) metal sulfide/carbon nanoboxes as anode materials for improving Na-ion storage journal January 2017
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Direct synthesis of MoS 2 or MoO 3 via thermolysis of a dialkyl dithiocarbamato molybdenum( iv ) complex journal January 2019
Enhancing potassium-ion battery performance by defect and interlayer engineering journal January 2019
Sodium storage in a promising MoS 2 –carbon anode: elucidating structural and interfacial transitions in the intercalation process and conversion reactions journal January 2018
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MoS 2 nanosheets with expanded interlayer spacing for enhanced sodium storage journal January 2018
Sulfur nanodots as MoS 2 antiblocking agent for stable sodium ion battery anodes journal January 2018
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Vanadium doped few-layer ultrathin MoS 2 nanosheets on reduced graphene oxide for high-performance hydrogen evolution reaction journal January 2019

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