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High-Rate and High-Energy-Density Lithium-Ion Battery Anode Containing 2D MoS2 Nanowall and Cellulose Binder

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Title High-Rate and High-Energy-Density Lithium-Ion Battery Anode Containing 2D MoS2 Nanowall and Cellulose Binder
 
Creator SEN, UK
MITRA, S
 
Subject 2D-MoS2 nanowalls
CMC binder
high power density anode
hydrothermal synthesis
lithium-ion battery
SI NEGATIVE ELECTRODES
STORAGE PROPERTIES
FACILE SYNTHESIS
CARBON
NANOSTRUCTURES
NANOCOMPOSITE
PERFORMANCE
ALPHA-FE2O3
MOLYBDENUM
NANOSHEETS
 
Description Electrochemically stable molybdenum disulfide (MoS2) with a two-dimensional nanowall structure is successfully prepared by a simple two-step synthesis method followed by thermal annealing at 700 degrees C in a reducing atmosphere. MoS2 nanowalls provide a better electrochemical performance and stability when cellulose (CMC) binder is used instead of the usual PVDF. The electrodes exhibit a high specific discharge capacity of 880 mA h g(-1) at 100 mA g(-1) without any capacity fading for over 50 cycles. The electrode also exhibits outstanding rate capability with a reversible capacity as high as 737 mA h g(-1) and 676 mA h g(-1) rates of 500 mA g(-1) and 1000 mA at 20 degrees C, respectively. The excellent electrochemical stability and high specific capacity of the nano structured materials are attributed to the two-dimensional nanowall morphology of MoS2 and the use of cellulose binder. These results are the first of its kind to report a superior stability using bare MoS2 as an active material and CMC as a binder.
 
Publisher AMER CHEMICAL SOC
 
Date 2014-10-15T08:45:05Z
2014-10-15T08:45:05Z
2013
 
Type Article
 
Identifier ACS APPLIED MATERIALS & INTERFACES, 5(4)1240-1247
http://dx.doi.org/10.1021/am3022015
http://dspace.library.iitb.ac.in/jspui/handle/100/14716
 
Language en