同轴静电纺丝法制备TiN@MnO纤维及其电化学性能研究

doi:10.61558/2993-074X.2912

电化学（中英文） ›› 2012, Vol. 18 ›› Issue (3): 257-263. doi: 10.61558/2993-074X.2912

• 电化学材料基础与表界面研究专辑（中国科学院化学研究所万立骏院士主编） • 上一篇下一篇

同轴静电纺丝法制备TiN@MnO纤维及其电化学性能研究

商超群^1,2, 杨海燕¹, 周新红², 满忠雷³, 韩鹏献¹, 姚建华¹, 段玉龙¹, 崔光磊^1*

1. 中国科学院青岛生物能与过程研究所，山东青岛 266101； 2. 青岛科技大学，山东青岛 266042； 3. 山东省进出口检验检疫局，山东青岛 266002

收稿日期:2011-11-28 修回日期:2012-03-23 出版日期:2012-06-28 发布日期:2012-03-25
通讯作者: 崔光磊 E-mail:cuigl@qibebt.ac.cn
基金资助:
国家973计划（No. MOST2011CB935700）、山东省杰出青年基金（No. BS2009NJ013）和国家自然科学基金（No. 20971077）资助

Preparation and Electrochemical Performance of TiN@MnO Fibers by Coaxial Electrospinning

SHANG Chao-Qun^1,2, YANG Hai-Yan¹, ZHOU Xin-Hong², MAN Zhong-Lei³, HAN Peng-Xian¹, YAO Jian-Hua¹, DUAN Yu-Long¹, CUI Guang-Lei^1*

1. Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, Shandong, China; 2. Qingdao university of science and technology, Qingdao 266042, Shandong, China; 3. Shandong provincial import and export inspection and Quarantine Bureau, Qingdao 266002, Shandong, China

Received:2011-11-28 Revised:2012-03-23 Published:2012-06-28 Online:2012-03-25
Contact: CUI Guang-Lei E-mail:cuigl@qibebt.ac.cn

摘要/Abstract

摘要： 本文以钛酸四丁酯和乙酰丙酮锰为起始原料，聚乙烯吡咯烷酮(PVP)为分散剂分别配制高分子溶液. 采用同轴静电纺丝法制备了TiN@MnO前驱体，并经氨气处理得到了具有芯-壳结构的TiN@MnO同轴纤维. 采用X射线衍射(XRD)、场发射扫描电子显微镜(FESEM)、透射电子显微镜(TEM)、X射线能量色散谱(EDX)和物理吸附仪分析、观察和表征TiN@MnO同轴结构纤维，其比表面积达16 m2?g-1. 循环伏安曲线测试(CV)表明，在20 mV?s-1倍率下，TiN@MnO同轴纤维电极比电容保持率为2 mV?s-1倍率下的81%，充分说明TiN和MnO两种组分的协同效应提高了电极的倍率性能.

关键词: 同轴静电纺丝法, 芯-壳结构, 电极材料

Abstract: In this study, the titanium nitride (TiN) @manganese oxide (MnO) core-shell structured fibers were prepared by the coaxial electrospinning using tetrabutyl titanate and manganese acetylacetonate as raw materials, and polyvinylpyrrolidone (PVP) as the template. And then the fibers were annealed in ammonia to finally obtain the coaxial TiN@MnO fibers. XRD, FESEM, TEM, EDX and physical adsorption instrument were used to characterize the phase structure, morphology, composition and specific surface areas and pore sizes of the samples. It was demonstrated that the as-synthesized TiN@MnO fibers possessed coaxial structure with a surface area of 16 m2?g-1. As indicated from the cyclic voltammetry test, the capacitances of these fibers displayed 100 F?g-1（TiN 38F?g-1, MnO 66 F?g-1）at a scan rate of 20 mV?s-1 and 82 F?g-1 at a higher rate of 50 mV?s-1, which were resulted by efficiently combining the large capacitance of MnO with good electronic conductivity of TiN.

Key words: coaxial electrospinning, core-shell structure, electrode materials

中图分类号:

O646

商超群, 杨海燕, 周新红, 满忠雷, 韩鹏献, 姚建华, 段玉龙, 崔光磊. 同轴静电纺丝法制备TiN@MnO纤维及其电化学性能研究[J]. 电化学（中英文）, 2012, 18(3): 257-263.

SHANG Chao-Qun, YANG Hai-Yan, ZHOU Xin-Hong, MAN Zhong-Lei, HAN Peng-Xian, YAO Jian-Hua, DUAN Yu-Long, CUI Guang-Lei. Preparation and Electrochemical Performance of TiN@MnO Fibers by Coaxial Electrospinning[J]. Journal of Electrochemistry, 2012, 18(3): 257-263.

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https://electrochem.xmu.edu.cn/CN/Y2012/V18/I3/257

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同轴静电纺丝法制备TiN@MnO纤维及其电化学性能研究

Preparation and Electrochemical Performance of TiN@MnO Fibers by Coaxial Electrospinning

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