Preparation and electrochemical performance of Al2O3-SiO/C anode material for lithium ion batteries

doi:10.12028/j.issn.2095-4239.2017.0112

Energy Storage Science and Technology ›› 2017, Vol. 6 ›› Issue (S1): 21-.doi: 10.12028/j.issn.2095-4239.2017.0112

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Preparation and electrochemical performance of Al2O3-SiO/C anode material for lithium ion batteries

LI Yafei, HE Jinxin, ZHENG Yuanyuan, JIN Chengyou, MIAO Yonghua, XUE Chi

Jiangsu Zhongtian Technology Co., Ltd, Nantong 226009, Jiangsu, China

Received:2017-06-24 Revised:2017-07-30 Online:2017-10-01 Published:2017-10-01

Abstract

Abstract:

The SiO/C composites were synthesized via a simple stirring and following pyrolysis of silicon monoxide and pitch mixture. Then Al2O3-SiO/C composites were prepared by water bath heating and the thermal decomposition using SiO/C composites, aluminium nitrate, ammonia solution, urea as raw materials. The phase composition, morphology and structure of the samples were characterized by XRD, SEM, specific surface area and laser particle analyzer. As a result, the electrochemical performance indicated the Al2O3-SiO/C composites with the urea had the best electrochemical performance and exhibited the reversible capacity of 1436.4 mA·h·g1 and 74.81% coulombic efficiency in the initial cycle.

Key words: Al2O3-SiO/C composite material, lithium ion batteries, anode materials

LI Yafei, HE Jinxin, ZHENG Yuanyuan, JIN Chengyou, MIAO Yonghua, XUE Chi. Preparation and electrochemical performance of Al2O3-SiO/C anode material for lithium ion batteries[J]. Energy Storage Science and Technology, 2017, 6(S1): 21-.

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Preparation and electrochemical performance of Al2O3-SiO/C anode material for lithium ion batteries

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