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[1]邓 琪,杨 振,王 鑫,等.水热法制备氧化锌空心球及其电化学性能的研究[J].武汉工程大学学报,2018,40(02):156-160.[doi:10. 3969/j. issn. 1674?2869. 2018. 02. 007]
 DENG Qi,YANG Zhen,WANG Xin,et al.Electrochemical Properties of ZnO Hollow Spheres Prepared by One-Pot Hydrothermal Reaction[J].Journal of Wuhan Institute of Technology,2018,40(02):156-160.[doi:10. 3969/j. issn. 1674?2869. 2018. 02. 007]
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水热法制备氧化锌空心球及其电化学性能的研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
40
期数:
2018年02期
页码:
156-160
栏目:
材料科学与工程
出版日期:
2018-05-17

文章信息/Info

Title:
Electrochemical Properties of ZnO Hollow Spheres Prepared by One-Pot Hydrothermal Reaction
文章编号:
20180207
作者:
邓 琪杨 振王 鑫李栋辉郜艳荣江学良*
武汉工程大学材料科学与工程学院,湖北 武汉 430205
Author(s):
DENG Qi YANG Zhen WANG XinLI Donghui GAO Yanrong JIANG Xueliang*
School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430205, China
关键词:
水热法 氧化锌 空心球 电化学测试
Keywords:
hydrothermal method zinc oxide hollow spheres electrochemical test
分类号:
TQ32
DOI:
10. 3969/j. issn. 1674?2869. 2018. 02. 007
文献标志码:
A
摘要:
以硝酸锌为原料,六次甲基四胺为沉淀剂,聚乙烯吡络烷酮为表面活性剂,利用水热法制备了氧化锌空心球。研究了不同聚乙烯吡络烷酮用量对空心球形貌的影响。通过X射线衍射、扫描电子显微镜、透射电子显微镜对产物进行了表征,通过循环伏安测试和恒电流充放电测试对产物进行了电化学测试。结果表明,产物粒径均一,为纯六方晶型的空心结构。当聚乙烯吡络烷酮含量0.13 g时,氧化锌空心球形貌最佳。电化学测试结果表明,在5 mV/s的扫描速率下,比容量可达到241.6 F/g;在0.5 A/g的充放电电流密度下,比容量为137.467 F/g。
Abstract:
Zinc oxide hollow spheres were prepared via a facile one-pot hydrothermal method using zinc nitrate hexahydrate as raw materials,hexamethylenetetramine as precipitating agent and polyvinylpyrrolidone as surface active agent. Effects of polyvinylpyrrolidone amount on morphology of the hollow spheres were investigated. The as-prepared samples were characterized by X-ray diffraction,scanning electron microscopy,transmission electron microscopy,and tested with cyclic voltammetry and constant current charge discharge experiments. The results indicated that the products presented uniform hollow spheres with hexagonal crystal structure,which was most obvious at 0.13 g of polyvinylpyrrolidone. The electrochemical tests demonstrated that the specific capacity of the sample was 241.6 F/g at 5 mV/s scan rate and 137.467 F/g at 0.5 A/g charge discharge current density.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-11-02基金项目:国家自然科学基金(51273154);湖北省自然科学基金(2011CBD220)作者简介:邓 琪,硕士研究生。 E-mail:[email protected]*通讯作者:江学良,博士,教授。E-mail:[email protected]引文格式:邓琪,杨振,王鑫,等. 水热法制备氧化锌空心球及其电化学性能的研究[J]. 武汉工程大学学报,2018,40(2):156-160.
更新日期/Last Update: 2018-04-25