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[1]刘丹阳,王升高*,马 元,等.泡沫碳@SnO2复合材料的制备及电化学性能[J].武汉工程大学学报,2020,42(03):307-311.[doi:10.19843/j.cnki.CN42-1779/TQ.201912008]
 LIU Danyang,WANG Shenggao*,MA Yuan,et al.Preparation and Electrochemical Performances of Carbon Foam@SnO2 Composites[J].Journal of Wuhan Institute of Technology,2020,42(03):307-311.[doi:10.19843/j.cnki.CN42-1779/TQ.201912008]
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泡沫碳@SnO2复合材料的制备及电化学性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
42
期数:
2020年03期
页码:
307-311
栏目:
材料科学与工程
出版日期:
2023-03-14

文章信息/Info

Title:
Preparation and Electrochemical Performances of Carbon Foam@SnO2 Composites
文章编号:
1674 - 2869(2020)03 - 0307 - 05
作者:
刘丹阳王升高*马 元石子靖苗培琳田 爽柯 源
等离子体化学与新材料湖北省重点实验室(武汉工程大学),湖北 武汉 430205
Author(s):
LIU DanyangWANG Shenggao*MA YuanSHI ZijingMIAO PeilinTIAN ShuangKE Yuan
Hubei Key Laboratory of Plasma Chemical and Advanced Materials (Wuhan Institute of Technology),Wuhan 430205,China
关键词:
锂离子电池负极材料纳米材料氧化锡泡沫碳
Keywords:
lithium ion battery anode materials nanomaterials stannic oxide carbon foam
分类号:
TQ15
DOI:
10.19843/j.cnki.CN42-1779/TQ.201912008
文献标志码:
A
摘要:
为了提高氧化锡(SnO2)电极的电化学性能,采用牺牲模板法和水热法相结合,制备了C@SnO2复合电极材料。结果表明水热反应过程中生成的SnO2纳米颗粒负载在泡沫碳的骨架上,或存在于泡囊中。C@SnO2电极在0.1 A/g的电流密度下循环100圈后比容量超过660 mAh/g。在1.6 A/g的大电流密度下充放电时,电池的比容量达到较高水平(≥310 mAh/g)。这种优异的电化学性能归因于SnO2纳米颗粒的纳米特性和泡沫碳的特殊结构,可以改善电子传导性,并适应脱嵌锂过程中SnO2的体积变化。与纯SnO2电极相比,C@SnO2复合电极的比容量显著提升,稳定性也得到了增强。
Abstract:
To improve the electrochemical performance of stannic oxide(SnO2) electrodes,C@SnO2 composite electrode material was prepared via sacrificial template method combined with hydrothermal method. The results show that the SnO2 nanoparticles produced during the hydrothermal reaction are supported on the foam carbon skeleton or exist in vesicles. The specific capacity of the C@SnO2 electrode is more than 660 mAh/g after 100 cycles at a current density of 0.1 A/g. Under conditions of charing and discharing at current density of 1.6 A/g,the specific capacity of the battery is more than 310 mAh/g. This excellent electrochemical performance is attributed to the nano characteristics of SnO2 nanoparticles and the special structure of foamed carbon,which contributes to the electronic conductivity and adapts to the volume change of SnO2 during the deintercalation of lithium. Compared with pure SnO2 electrode,the specific capacity of C@SnO2 composite electrode is significantly improved,and the stability is also enhanced.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-12-11基金项目:武汉工程大学第十届研究生教育创新基金(CX2018050);湖北省大学生创新创业训练计划(S201910490029)作者简介:刘丹阳,硕士研究生。E-mail:931181281@qq.com*通讯作者:王升高,博士,教授。E-mail: wyysg@163.com引文格式:刘丹阳,王升高,马元,等. 泡沫碳@SnO2复合材料的制备及电化学性能[J]. 武汉工程大学学报,2020,42(3):307-311.
更新日期/Last Update: 2020-07-09