有序介孔磷酸钛锂离子电池正极材料制备及电化学性能

doi:10.61558/2993-074X.1858

电化学（中英文） ›› 2008, Vol. 14 ›› Issue (1): 30-33. doi: 10.61558/2993-074X.1858

有序介孔磷酸钛锂离子电池正极材料制备及电化学性能

王琼;Adel Attia;施志聪;杨勇;

厦门大学化学化工学院固体表面物理化学国家重点实验室,厦门大学化学化工学院固体表面物理化学国家重点实验室,厦门大学化学化工学院固体表面物理化学国家重点实验室,厦门大学化学化工学院固体表面物理化学国家重点实验室福建厦门361005,福建厦门361005,福建厦门361005,福建厦门361005

收稿日期:2008-02-28 修回日期:2008-02-28 出版日期:2008-02-28 发布日期:2008-02-28

Preparation and Electrochemical Performance of Ordered Mesoporous Titanium Phosphate as Cathode Material for Li-ion Battery

WANG Qiong,Adel Attia,SHI Zhi-cong,YANG Yong

(State Key Laboratory for Physical Chemistry of Solid Surfaces,Institute of Chemistry andChemical Engineering,Xiamen University,Xiamen 361005,Fujian,China

Received:2008-02-28 Revised:2008-02-28 Published:2008-02-28 Online:2008-02-28

摘要/Abstract

摘要： 选用合适模板剂由溶胶凝胶法合成高度有序介孔结构的磷酸钛正极材料.研究煅烧温度对材料孔结构及材料的电化学性能的影响,合成样品的结构形貌和比表面分别用XRD、BET、TEM及元素分析仪表征.充放电测试结果表明,该介孔结构正极材料表现出优越的电化学性能,以150 mA/g充放电,首次放电容量高达94 mAh/g,而不含模板剂无孔结构的材料放电容量仅37 mAh/g.

关键词: 有序介孔, 磷酸钛, 正极材料, 电化学性能, 锂离子电池

Abstract: Ordered porous titanium phosphate materials were prepared by using the surfactant template combined with the sol-gel method.The samples were characterized by small angle X-ray diffraction(SA-XRD) method,N2 adsorption/desorption techniques,high resolution transmission electron microscopy(HRTEM) and element analysis.It is found that the calcination temperature is a big influence on the porous structure,and electrochemical performance of the titanium phosphate materials.,and the mesoporous titanium phosphate showed good performance in the electrochemical test,the first discharge capacity is 94 mAh/g at the current density of 150 mA/g.On the other hand,the no porous material with a low capacity of 37 mAh/g under the same charge-discharge condition.

Key words: ordered mesoporous, titanium phosphate, cathode material, electrochemical performance, lithium ion battery

中图分类号:

TM912

王琼, Adel Attia, 施志聪, 杨勇, . 有序介孔磷酸钛锂离子电池正极材料制备及电化学性能[J]. 电化学（中英文）, 2008, 14(1): 30-33.

WANG Qiong, Adel Attia, SHI Zhi-cong, YANG Yong. Preparation and Electrochemical Performance of Ordered Mesoporous Titanium Phosphate as Cathode Material for Li-ion Battery[J]. Journal of Electrochemistry, 2008, 14(1): 30-33.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.1858

https://electrochem.xmu.edu.cn/CN/Y2008/V14/I1/30

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有序介孔磷酸钛锂离子电池正极材料制备及电化学性能

Preparation and Electrochemical Performance of Ordered Mesoporous Titanium Phosphate as Cathode Material for Li-ion Battery

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