Synthesis and Electrochemical Performance of SnO2/Graphene Anode Material for Lithium Ion Batteries

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...  
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A 3D porous Ni/Sn–O–C composite thin film anode is electrodeposited from organic electrolyte containing LiPF6 and exhibits satisfactory electrochemical performance.


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Hydrothermally synthesized MoS2 products can be tuned from porous flowers to dense spheres by addition of NaOH.


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Natural molybdenite, an inexpensive and naturally abundant material, can be directly used as an anode material for lithium-ion batteries.


2013 ◽  
Vol 1540 ◽  
Author(s):  
Chia-Yi Lin ◽  
Chien-Te Hsieh ◽  
Ruey-Shin Juang

ABSTRACTAn efficient microwave-assisted polyol (MP) approach is report to prepare SnO2/graphene hybrid as an anode material for lithium ion batteries. The key factor to this MP method is to start with uniform graphene oxide (GO) suspension, in which a large amount of surface oxygenate groups ensures homogeneous distribution of the SnO2 nanoparticles onto the GO sheets under the microwave irradiation. The period for the microwave heating only takes 10 min. The obtained SnO2/graphene hybrid anode possesses a reversible capacity of 967 mAh g-1 at 0.1 C and a high Coulombic efficiency of 80.5% at the first cycle. The cycling performance and the rate capability of the hybrid anode are enhanced in comparison with that of the bare graphene anode. This improvement of electrochemical performance can be attributed to the formation of a 3-dimensional framework. Accordingly, this study provides an economical MP route for the fabrication of SnO2/graphene hybrid as an anode material for high-performance Li-ion batteries.


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