Facile synthesis of layered Zn2SnO4/graphene nanohybrid by a one-pot route and its application as high-performance anode for Li-ion batteries

被引：63
|
作者：
Song, Wentao
Xie, Jian [1 ]
Hu, Wenyue
Liu, Shuangyu
Cao, Gaoshao
Zhu, Tiejun
Zhao, Xinbing
机构：
[1] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2013年 / 229卷
基金：
中国国家自然科学基金;
关键词：
Graphene; Zinc stannate; Nanohybrid; Electrochemical performance; In situ route; REVERSIBLE LITHIUM STORAGE; HYDROTHERMAL SYNTHESIS; GRAPHENE NANOSHEETS; GRAPHITE OXIDE; X-RAY; COMPOSITE; CAPACITY; CARBON; ELECTRODES; NANOSTRUCTURES;
D O I：
10.1016/j.jpowsour.2012.11.090
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A Zn2SnO4-nanocrystals/graphene-nanosheets (Zn2SnO4/G) nanohybrid has been prepared by a facile in situ hydrothermal route using SnCl4 center dot 5H(2)O, ZnCl2 and graphite oxide (GO) as the precursors and N2H4 center dot H2O as the mineralizer and reducing agent. The formation of Zn2SnO4 and the reduction GO occur simultaneously during the hydrothermal process. The Zn2SnO4 nanocrystals are uniformly dispersed and immobilized by the graphene nanosheets reduced from GO. The direct restacking of the hydrophobic graphene sheets is inhibited by loading Zn2SnO4 nanocrystals as the spacers. Zn2SnO4/G shows an improved electrochemical performance than bare Zn2SnO4 due to the conducting, dispersing and immobilizing effects of graphene. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：6 / 11
页数：6
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