| 氮掺杂和SnO2纳米粒子负载对全固态对称型石墨烯超级电容器性能的影响 |
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| 引用本文： | 于建华,许丽丽,张武寿,朱倩倩,王晓霞,董立峰.氮掺杂和SnO2纳米粒子负载对全固态对称型石墨烯超级电容器性能的影响[J].无机材料学报,2015,30(6):662-666. |
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| 作者姓名： | 于建华 许丽丽 张武寿 朱倩倩 王晓霞 董立峰 |
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| 作者单位： | (1. 青岛科技大学 材料科学与工程学院, 青岛266042; 2. 中国科学院 上海硅酸盐研究所, 特种无机涂层重点实验室, 上海201899; 3. 中国科学院 化学研究所, 胶体界面与化学热力学院重点实验室, 北京100190) |
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| 摘 要： | 电极材料是影响超级电容器性能的主要因素。本研究采用溶剂热法合成石墨烯和氮掺杂石墨烯, 通过简单的化学法在其表面负载SnO2纳米粒子。利用刮涂工艺在FTO玻璃表面制备石墨烯、SnO2/石墨烯、氮掺杂石墨烯和SnO2/氮掺杂石墨烯薄膜, 并经400℃热处理。分别以制备的石墨烯基薄膜和PVA/H3PO4为电极和电解质组装对称型全固态超级电容器。测试结果表明, 与石墨烯相比, 氮掺杂石墨烯具有较大的晶粒尺寸、较高的比表面积和较高的超电容性能; SnO2纳米粒子负载可显著提高石墨烯和氮掺杂石墨烯的超电容性能。
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| 关 键 词： | 纳米复合材料 SnO2纳米粒子 氮掺杂石墨烯 超级电容器 |
| 收稿时间： | 2014-10-20 |
Enhanced Capacitive Properties of All-solid-state Symmetric Graphene Supercapacitors by Incorporating Nitrogen-doping and SnO2 Nanoparticles |
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| YU Jian-Hua,XU Li-Li,ZHANG Wu-Shou,ZHU Qian-Qian,WANG Xiao-Xia,DONG Li-Feng.Enhanced Capacitive Properties of All-solid-state Symmetric Graphene Supercapacitors by Incorporating Nitrogen-doping and SnO2 Nanoparticles[J].Journal of Inorganic Materials,2015,30(6):662-666. |
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| Authors: | YU Jian-Hua XU Li-Li ZHANG Wu-Shou ZHU Qian-Qian WANG Xiao-Xia DONG Li-Feng |
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| Affiliation: | (1. College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; 2. Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China; 3.?Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute?of?Chemistry, Chinese Academy of Sciences, Beijing 100190, China) |
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| Abstract: | Graphene and N-doped graphene were synthesized by a solvothermal process, and their composites with SnO2 nanoparticles were prepared by a facile one-pot chemical solution method. The corresponding films were fabricated by a blade coating process and followed by heat treatment at 400℃ for 1 h. All-solid-state supercapacitors were fabricated with graphene based films and a polymer gel of polyvinyl alcohol/H3PO4 as electrodes and electrolyte, respectively. The capacitance performance of the as-fabricated supercapacitors was characterized. The results suggest that compared with graphene, N-doped graphene exhibits larger crystalline size, lower specific surface area, yet superior capacitance performance, and the incorporation of SnO2 nanoparticles on graphene and N-doped graphene sheets enhances their capacitive characteristics. |
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| Keywords: | nanocomposite SnO2 nanoparticles nitrogen-doped graphene supercapacitors |
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