论文摘要
采用原位聚合法制备了不同聚乙烯醇(PVA)表面活性剂添加量的聚苯胺(PANI)以及氧化石墨烯/聚苯胺(GO/PANI)复合材料。借助扫描电镜、X射线衍射、傅立叶变换红外光谱分析等表征手段对材料的物相组成、微观结构和形貌进行了分析。将材料压制电极并组装成扣式电池,利用循环伏安曲线和电化学阻抗谱对材料进行电化学性能检测。探讨了表面活性剂PVA的添加量对PANI以及GO/PANI的微观结构、形貌、电导率及电化学性能的影响。结果表明,当PVA与苯胺(AN)的摩尔比为0.000075时,PVA的引入明显降低了PANI及GO/PANI复合材料的团聚,PVA75/PANI的电导率比纯PANI的电导率提高了2倍,GO/PVA75/PANI复合材料的电导率比未加PVA的GO/PANI复合材料提高了5倍。当PVA与AN的摩尔比为0.000075时,PVA75/PANI和GO/PVA75/PANI复合材料的比电容分别达到986和1 223F/g。
论文目录
文章来源
类型: 期刊论文
作者: 侯朝霞,史鹏
关键词: 氧化石墨烯,聚苯胺,复合材料,表面活性剂,电化学
来源: 功能材料 2019年02期
年度: 2019
分类: 工程科技Ⅰ辑
专业: 材料科学
单位: 沈阳大学机械工程学院辽宁省新型功能材料与化学工艺重点实验室
基金: 国家自然科学基金资助项目(51472166)
分类号: TB332
页码: 2150-2155
总页数: 6
文件大小: 1582K
下载量: 251
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