[1]任玉荣,王佳伟,丁建宁.负极材料NiO/rGO/PPy的制备及储锂性能[J].常州大学学报(自然科学版),2015,(03):18-23.[doi:10.3969/j.issn.2095-0411.2015.03.004]
　REN Yurong,WANG Jiawei,DING Jianning.The Synthesis and Lithium Storage Performance of NiO/rGO/PPy Anode Materials[J].Journal of Changzhou University(Natural Science Edition),2015,(03):18-23.[doi:10.3969/j.issn.2095-0411.2015.03.004]
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负极材料NiO/rGO/PPy的制备及储锂性能()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2015年03期
页码:
18-23
栏目:
出版日期:
2015-07-25

文章信息/Info

Title:
The Synthesis and Lithium Storage Performance of NiO/rGO/PPy Anode Materials
作者:
任玉荣; 王佳伟; 丁建宁
常州大学 材料科学与工程学院
Author(s):
REN Yurong; WANG Jiawei;  DING Jianning
School of Materials Science and Engineering,Changzhou University, Changzhou 213164，China
关键词:
锂离子电池; 负极材料; NiO纳米线; 还原氧化石墨烯; 电化学性能
Keywords:
Lithium-ion batteries;  anode;  NiO nanowires; reduced grapheneoxide;  electrochemical performance
分类号:
TB 332
DOI:
10.3969/j.issn.2095-0411.2015.03.004
文献标志码:
A
摘要:
以水热法制备NiO/还原氧化石墨烯(NiO/rGO)前驱体，在Ar气氛下，300℃烧结成NiO纳米线/rGO二元复合物，然后以此二元复合物为模板，通过化学氧化法聚合吡咯(Py)单体，制备出NiO纳米线/还原氧化石墨烯/聚吡咯(NiO/rGO/PPy，简称PNG)三元复合材料。利用X射线衍射(XRD)、透射电镜(TEM)、红外光谱(FT-IR)、拉曼光谱(Raman)以及X射线光电子能谱（XPS）对其进行表征。结果表明，NiO纳米线的平均直径为5~10〖KG3x〗nm，平均长度为100~200〖KG3x〗nm，均匀的分布在还原氧化石墨烯表面，聚吡咯在还原氧化石墨烯表面也具有较高分散性，与NiO和rGO形成部分三明治结构。利用恒流充放电对PNG复合物进行电化学性能研究，展现出良好的电化学性能。当倍率为0.2〖KG3x〗C时，首次放电比容量达到1 0806〖KG3x〗mA·h/g，首次可逆比容量达到830〖KG3x〗mA·h/g，40次循环后容量499.6〖KG3x〗mA·h/g。
Abstract:
Precursors of NiO / reducedgrapheneoxide (NiO / rGO) were synthesized with traditional hydrothermal method, then sintering NiO nanowire / rGO binary complex in the Ar atmosphere, at 300〖KG3x〗℃. Further, NiO nanowire/reduced graphene oxide/polypyrrole (NiO/rGO/PPy, referred to as PNG) ternary composites were prepared by chemical oxidation polymerization pyrrole (Py) monomer with a template of this above binary complex. X-ray diffraction (XRD), transmission electron microscopy (TEM), infrared spectroscopy (FT-IR), Raman spectroscopy (Raman) characterization and X-ray photoelectron spectrum (XPS) were used. The results show that average diameter 5-10〖KG3x〗nm of NiO nanowires, the average length of 100—200 nm, was evenly distributed in the surface of the reducedgrapheneoxide, and polypyrrolein the surface of the reduced graphene oxidedelivered a high dispersibilityas well, which formed a sandwich structure. The electrochemical properties of the PNG complexes were studied by the constant current charging and discharging. At 0.2C rate, the first discharge capacity reached 1 0806〖KG3x〗mA·h/g, andthe first reversible capacity 〖JP2〗reached 830〖KG3x〗mA·h/g. After 40 cycles, the discharge capacity contained 499.6〖KG3x〗mA·h/g.〖JP〗 This method significantly improved electrochemical properties of pure NiO material.

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备注/Memo

备注/Memo:
国家自然科学基金（51374175）；江苏省产学研创新基金（BY2014037-31）；材料腐蚀与防护四川省重点实验室开放基金（2014CL15）；新能源电力系统国家重点实验室开放课题（LAPS15001）
更新日期/Last Update: 2015-11-26