有序介孔氧化铜的制备及表征
Synthesis and Characterization of Ordered Mesoporous CuO
摘 要
以介孔二氧化硅KIT-6为模板，采用硝酸盐燃烧法制备介孔氧化铜，并用X射线衍射仪、透射电子显微镜、比表面积和孔隙度分析仪等对该介孔氧化铜进行了表征。结果表明：制备的介孔氧化铜具有高度有序的介孔结构和纳米尺度的晶体结构，呈在3.7，10 nm双孔径集中分布的特征；随着烧结温度从300 ℃上升到700 ℃，介孔氧化铜的介孔结构收缩，晶粒尺寸增大，比表面积下降；介孔氧化铜具有稳定的电化学性能和小分子气体吸附性能，其在电流密度100 mA·g-1下经50次充放电循环后仍具有600 mAh·g-1以上的放电容量，对NO、CO的吸附容量分别达到1.2，0.75 mmol·g-1。
介孔
锂离子电池负极材料
吸附
CuO
mesopore
Li-ion battery anode material
adsorption
Abstract
Ordered mesoporous CuO was prepared by a nitrate combustion method with mesoporous silica KIT-6 as template, and characterized by X-ray diffractometer, transmission electron microscope, and specific surface area and porosity analyzer. The results show that the prepared mesoporous CuO had a highly ordered mesoporous structure and a nanosized crystal structure with bi-modal pore size distribution centered at 3.7 nm and 10 nm. With the sintering temperature increasing from 300℃ to 700℃, the mesoporous structure of mesoporous CuO contracted, the grain size increased, and the specific surface area decreased. The mesoporous CuO had the stable electrochemistry performance and small molecular gas adsorption performance, which had a discharge capacity over 600 mAh·g-1 after 50 cycles of charge-discharge at current density of 100 mA·g-1, and adsorption capacities of 1.2, 0.75 mmol·g-1 for NO and CO, respectively.
中图分类号 TQ127.1 DOI 10.11973/jxgccl201805009
所属栏目 新材料 新工艺
基金项目
收稿日期 2018/1/22
修改稿日期 2018/4/19
网络出版日期
作者单位点击查看
备注汤慧利(1980-),女,湖北襄阳人,工程师,博士
引用该论文: TANG Huili,REN Yu. Synthesis and Characterization of Ordered Mesoporous CuO[J]. Materials for mechancial engineering, 2018, 42(5): 45～49
汤慧利,任瑜. 有序介孔氧化铜的制备及表征[J]. 机械工程材料, 2018, 42(5): 45～49
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参考文献
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【3】ANTONELLI D M, YING J Y. Mesoporous materials[J]. Current Opinion in Colloid & Interface Science, 1996, 1(4):523-529.
【4】SOLER-ILLIA G J D, SANCHEZ C, LEBEAU B, et al. Chemical strategies to design textured materials:From microporous and mesoporous oxides to nanonetworks and hierarchical structures[J]. Chemical Reviews, 2002, 102(11):4093-4138.
【5】REN Y, MA Z, BRUCE G. Ordered mesoporous metal oxides:Synthesis and applications[J]. Chemical Society Reviews, 2012, 41(14):4909-4927.
【6】REN Y, MA Z, QIAN L P, et al. Ordered crystalline mesoporous oxides as catalysts for CO oxidation[J]. Catalysis Letters, 2009, 131(1/2):146-154.
【7】YUE W B, RANDORN C, ATTIDEKOU S, et al. Syntheses, Li insertion, and photoactivity of mesoporous crystalline TiO2[J]. Advanced Functional Materials, 2009, 19(17):2826-2833.
【8】JIAO F, HILL A H, HARRISON A, et al. Synthesis of ordered mesoporous NiO with crystalline walls and a bimodal pore size distribution[J]. Journal of the American Chemical Society, 2008, 130(15):5262-5266.
【9】KLEITZ F, CHOI S H, RYOO R. Cubic Ia3d large mesoporous silica:Synthesis and replication to platinum nanowires, carbon nanorods and carbon nanotubes[J]. Chemical Communications, 2003,9(17):2136-2137.
【10】LAHA S C, RYOO R. Synthesis of thermally stable mesoporous cerium oxide with nanocrystalline frameworks using mesoporous silica templates[J]. Chemical Communications, 2003,9(17):2138-2139.
【11】REN Y, MA Z, BRUCE G. Ordered mesoporous NiCoMnO4:Synthesis and application in energy storage and catalytic decomposition of N2O[J]. Journal of Materials Chemistry, 2012, 22(30):15121-15127.
【12】JIAO F, SHAJU K M, BRUCE G. Synthesis of nanowire and mesoporous low-temperature LiCoO2 by a post-templating reaction[J]. Angewandte Chemie-International Edition, 2005, 44(40):6550-6553.
【13】JIAO F, BAO J L, HILL A H, et al. Synthesis of ordered mesoporous Li-Mn-O spinel as a positive electrode for rechargeable lithium batteries[J]. Angewandte Chemie-International Edition, 2008, 47(50):9711-9716.
【14】WHEATLEY S, BUTLER A R, CRANE M S, et al. NO-releasing zeolites and their antithrombotic properties[J]. Journal of the American Chemical Society, 2006, 128(2):502-509.
【15】ESPADASTORRE C, OKLEJAS V, MOWERY K, et al. Thromboresistant chemical sensors using combined nitric oxide release ion sensing polymeric films[J]. Journal of the American Chemical Society, 1997, 119(9):2321-2322.
【16】MOWERY K A, SCHOENFISCH M H, BALIGA N, et al. More biocompatible electrochemical sensors using nitric oxide release polymers[J]. Electroanalysis, 1999, 11(10/11):681-686.
【17】MOWERY K A, SCHOENFISCH M H, SAAVEDRA J E, et al. Preparation and characterization of hydrophobic polymeric films that are thromboresistant via nitric oxide release[J]. Biomaterials, 2000, 21(1):9-21.
【18】KAPTEIJN F, RODRIGUEZ-MIRASOL J, MOULIJN J A. Heterogeneous catalytic decomposition of nitrous oxide[J]. Applied Catalysis B:Environmental, 1996, 9(1):25-64.
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