Preparation and Electrochemical Performance of SnO2/C-La0.3Sr0.7MnO3 Composites for Li-Ion Anode

Yu Xin Yin; Ding Shan Ruan; Mei Yan Chang; Feng Hou; Hong Xia Wang

doi:10.4028/www.scientific.net/AMR.833.56

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 833Preparation and Electrochemical Performance of...

Preparation and Electrochemical Performance of SnO₂/C-La_0.3Sr_0.7MnO₃Composites for Li-Ion Anode

Abstract:

Carbon-coated SnO₂ particles (SnO₂/C) were first synthesized by hydrolysis of SnCl₄ in the sucrose solution at 85 °C, where sucrose is the carbon source. These particles were then mixed with La_0.7Sr_0.3MnO₃ (LSM) through a suspension stirring process to form SnO₂/C-LSM composites. The results of SEM and EDX show that LSM particles are distributed in SnO₂/C uniformly. Galvanostatic discharge-charge measurement was used to test the electrochemical performance of SnO₂/C and SnO₂/C-LSM. It was found that the specific reversible capacity increased from165 mAh/g for SnO₂/C to 270 mAh/g for SnO₂/C-LSM after 50 cycles. This improvement may be attributed to the lower charge transfer resistance and higher electronic conductivity resulted from introducing LSM.

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Advanced Materials Research (Volume 833)

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56-60

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https://doi.org/10.4028/www.scientific.net/AMR.833.56

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Online since:

November 2013

Authors:

Yu Xin Yin, Ding Shan Ruan, Mei Yan Chang, Feng Hou, Hong Xia Wang

Keywords:

Composite, La_0.3Sr_0.7MnO₃, Li-Ion Battery, SnO₂/C

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