CRGP柔性导电薄膜及其超级电容器制备与性能
Preparation and Properties of CRGP Flexible Conducting Thin Films and Its Supercapacitors
查看参考文献20篇
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文摘
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以CNFs膜为基材,采用层层自组装法制备CNFs/RGO_n膜,通过原位聚合法在膜表面聚合PANI,制备复合导电CRGP膜电极并组成超级电容器S-RGP。研究采用UV-vis光谱、XRD、SEM等对CRGP膜的吸光度、结晶特性与形态进行测试表征,同时系统测试了S-RGPCV曲线、GCD、EIS等电化学性能。结果表明:原位聚合法得到CRGP膜表面不均匀,PANI层与基材间存在间隙,存有活性物质,导致S-RGP内阻较小;S-RGP的ESR低、柔性良好;由于原位聚合的PANI层较厚,电容器S-RGP具有一定的电致变色特征。 |
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其他语种文摘
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Using CNFs as the substrate, CNFs/RGO_n films were prepared by layer-by-layer assembly method. Further, a new supercapacitor (S-RGP) was fabricated by these CPGP thin film electrodes which were got by in-situ polymerization of PANI on CNFs/GG films. The characteristics of CRGP film electrodes, such as absorbance,crystallization feature and configuration were analyzed by XRD, UV-visible spectrophotometry and SEM. The CV curve,GCD and EIS electrochemical characteristics of supercapacitors S-RGP were further tested. The results indicate that the surface of CRGP films was nonuniform, and some active substance kept in the gap between PANI and substrates paper leading to less internal resistance in S-RGP supercapacitor. Electrochemical characteristics measurement shows that the S-RGP supercapacitor has lower ESR, and its capacitance performance cannot be affected by bending because of relative flexibility. S-RGP supercapacitors have weak electrochromic properties, for the PANI film is thick and thus lower opaque by in-situ polymerization process of PANI on CNFs/ RGOn films. |
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来源
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材料工程
,2015,43(7):26-31 【核心库】
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DOI
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10.11868/j.issn.1001-4381.2015.07.005
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关键词
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纤维素纳米纤维
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还原氧化石墨烯
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层层自组装
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原位聚合法
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柔性超级电容器
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地址
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1.
北京科技大学土木与环境工程学院, 北京, 100083
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北京理工大学, 北京市纤维素及其衍生材料工程技术研究中心, 北京, 100081
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-4381 |
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学科
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化学工业 |
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文献收藏号
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CSCD:5472765
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