类沸石咪唑酯骨架化合物ZIF-67的超声波辅助快速合成及其超级电容性能研究

王培远; 李雁楠; 李韶丹; 周超; 孙淑敏

doi:10.3969/j.issn.2096-1553.2017.5.004

CN 41-1437/TS ISSN 2096-1553

类沸石咪唑酯骨架化合物ZIF-67的超声波辅助快速合成及其超级电容性能研究

王培远 , 李雁楠 , 李韶丹 , 周超 , 孙淑敏

王培远, 李雁楠, 李韶丹, 等. 类沸石咪唑酯骨架化合物ZIF-67的超声波辅助快速合成及其超级电容性能研究[J]. 轻工学报, 2017, 32(5): 24-31. doi: 10.3969/j.issn.2096-1553.2017.5.004

引用本文: 王培远, 李雁楠, 李韶丹, 等. 类沸石咪唑酯骨架化合物ZIF-67的超声波辅助快速合成及其超级电容性能研究[J]. 轻工学报, 2017, 32(5): 24-31. doi: 10.3969/j.issn.2096-1553.2017.5.004

WANG Pei-yuan, LI Yan-nan, LI Shao-dan, et al. Research on ultrasonic assisted rapid synthesis of zeolitic imidazolate framework-67(ZIF-67) and its supercapacitor performance[J]. Journal of Light Industry, 2017, 32(5): 24-31. doi: 10.3969/j.issn.2096-1553.2017.5.004

Citation: WANG Pei-yuan, LI Yan-nan, LI Shao-dan, et al. Research on ultrasonic assisted rapid synthesis of zeolitic imidazolate framework-67(ZIF-67) and its supercapacitor performance[J]. Journal of Light Industry, 2017, 32(5): 24-31. doi: 10.3969/j.issn.2096-1553.2017.5.004

类沸石咪唑酯骨架化合物ZIF-67的超声波辅助快速合成及其超级电容性能研究

郑州轻工业学院材料与化学工程学院, 河南郑州 450001
基金项目: 国家自然科学基金项目（21301159）；河南省教育厅重点项目（15A150083）
中图分类号: O631.1

Research on ultrasonic assisted rapid synthesis of zeolitic imidazolate framework-67(ZIF-67) and its supercapacitor performance

College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
Received Date: 2016-10-27
Available Online: 2017-09-15
CLC number: O631.1

摘要: 通过超声波辅助的方法，在较短时间内合成大量粒径可控的ZIF-67材料.利用XRD和SEM对合成的ZIF-67进行结构表征和形貌分析，并对其进行氮气等温吸脱附测试，结果表明：该方法制备的ZIF-67具有更高的结晶度、规整的菱形十二面体形貌，以及较高的孔隙度和比表面积.将其作为超级电容器电极材料，利用循环伏安、恒流充放电等电化学测试方法研究其电化学性能，结果表明：当电流密度为0.5 A/g时，超声波辅助合成的ZIF-67比电容为93 F/g，大于静置条件下合成的ZIF-67；当电流密度为1 A/g时，超声波辅助合成的ZIF-67充放电循环1000次后，其电容保持率为98.6%，具有优异的循环稳定性.
- ZIF-67 /
- 超声波辅助合成 /
- 超级电容性
Abstract: A large amount of size tunable zeolitic imidazolate framework-67 (ZIF-67) was synthesized in a shot time with ultrasonic assisted method. The structure and morphology of synthesized materials were characterized with XRD and SEM. Nitrogen adsorption-desorption technique was also used to characterize the synthesized ZIF-67.Results showed that the ZIF-67 prepared by this method had higher crystallinity, regular rhombic dodecahedral morphology, and higher porosity and specific surface area.As supercapacitor electrode materials, cyclic voltammetry (CV) and galvanostatic charge/discharge (GCD) measurements were carried out to test the electrochemical performance of synthesized materials.The results showed that ZIF-67 synthesized by ultrasonic assisted method delivered a specific capacitance of 93 F/g at 0.5 A/g, which was much higher than that of ZIF-67 synthesized under static condition.When current density was 1 A/g,the specific capacitance of ZIF-67 synthesized by ultrasonic assisted mehtod could be retained to 98.6% of the initial value after 1000 cycles, demonstrating the excellent cycling stability.
- ZIF-67 /
- ultrasonic assisted synthesis /
- supercapacitor performance
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沈阳化工大学材料科学与工程学院沈阳 110142

类沸石咪唑酯骨架化合物ZIF-67的超声波辅助快速合成及其超级电容性能研究

郑州轻工业学院材料与化学工程学院, 河南郑州 450001

收稿日期: 2016-10-27
网络出版日期: 2017-09-15

基金项目: 国家自然科学基金项目（21301159）；河南省教育厅重点项目（15A150083）

关键词:

摘要: 通过超声波辅助的方法，在较短时间内合成大量粒径可控的ZIF-67材料.利用XRD和SEM对合成的ZIF-67进行结构表征和形貌分析，并对其进行氮气等温吸脱附测试，结果表明：该方法制备的ZIF-67具有更高的结晶度、规整的菱形十二面体形貌，以及较高的孔隙度和比表面积.将其作为超级电容器电极材料，利用循环伏安、恒流充放电等电化学测试方法研究其电化学性能，结果表明：当电流密度为0.5 A/g时，超声波辅助合成的ZIF-67比电容为93 F/g，大于静置条件下合成的ZIF-67；当电流密度为1 A/g时，超声波辅助合成的ZIF-67充放电循环1000次后，其电容保持率为98.6%，具有优异的循环稳定性.

English Abstract

Research on ultrasonic assisted rapid synthesis of zeolitic imidazolate framework-67(ZIF-67) and its supercapacitor performance

College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China

Received Date: 2016-10-27
Available Online: 2017-09-15

Abstract: A large amount of size tunable zeolitic imidazolate framework-67 (ZIF-67) was synthesized in a shot time with ultrasonic assisted method. The structure and morphology of synthesized materials were characterized with XRD and SEM. Nitrogen adsorption-desorption technique was also used to characterize the synthesized ZIF-67.Results showed that the ZIF-67 prepared by this method had higher crystallinity, regular rhombic dodecahedral morphology, and higher porosity and specific surface area.As supercapacitor electrode materials, cyclic voltammetry (CV) and galvanostatic charge/discharge (GCD) measurements were carried out to test the electrochemical performance of synthesized materials.The results showed that ZIF-67 synthesized by ultrasonic assisted method delivered a specific capacitance of 93 F/g at 0.5 A/g, which was much higher than that of ZIF-67 synthesized under static condition.When current density was 1 A/g,the specific capacitance of ZIF-67 synthesized by ultrasonic assisted mehtod could be retained to 98.6% of the initial value after 1000 cycles, demonstrating the excellent cycling stability.

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