聚苯胺基柔性凝胶电极的制备及其在超级电容器的应用
Preparation and application of polyaniline-based flexible gel electrodes in supercapacitors
查看参考文献25篇
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文摘
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可承受大而复杂变形的能量存储设备的开发对于新兴可穿戴电子设备至关重要。目前,由导电聚合物制成的水凝胶在加工过程中实现了高电导率和多功能性的融合。利用简单的两步共聚方法成功构建了一种具有丰富微孔结构的水凝胶超级电容器:聚乙烯醇(PVA)和聚丙烯酰胺(PAM)形成双交联网络水凝胶,赋予刚性聚苯胺柔性,此外,聚丙烯酰胺提高了聚苯胺基水凝胶的机械强度,使得聚苯胺基(NPP)水凝胶具有良好的力学和电化学性能,在1A·g~(-1)其抗拉强度和比电容分别为0.3MPa与269.12F·g~(-1)。聚苯胺(PANI)的添加减小了聚乙烯醇和聚丙烯酰胺双交联网络水凝胶(PP)电极的内阻,其修饰后的电阻值为39.184Ω,这使得NPP水凝胶实现了较高的电子传输能力。这种水凝胶的灵活开发集成为能源系统提供了一种替代策略,适合于超级电容器等多种应用。 |
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其他语种文摘
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The development of energy storage devices that can withstand large and complex deformation is crucial for emerging wearable electronic devices.At present,hydrogels made of conductive polymers have achieved the fusion of high conductivity and versatility during processing.A simple two-step copolymerization method was used to successfully construct a hydrogel supercapacitor with a rich microporous structure:polyvinyl alcohol(PVA)and polyacrylamide(PAM)form a double crosslinked network hydrogel, which endows rigid polymer aniline with flexibility.In addition, polyacrylamide improves the mechanical strength of polyaniline-based hydrogels,making polyanilinebased(NPP)hydrogels have good mechanical and electrochemical properties,and the tensile strength and specific capacitance are 0.3MPa and 269.12F·g~(-1) under 1A·g~(-1),respectively.The addition of polyaniline(PANI)reduces the internal resistance of polyvinyl alcohol and polyacrylamide double cross-linked network hydrogel(PP)electrode,and its modified resistance value is 39.184Ω,which makes the NPP hydrogel realize higher electron transmission capacity.The flexible development and integration of such hydrogels provide an alternative strategy of energy systems for diverse applications such as supercapacitors. |
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来源
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材料工程
,2023,51(6):38-45 【核心库】
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DOI
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10.11868/j.issn.1001-4381.2021.000594
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关键词
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超级电容器
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聚苯胺
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柔性
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水凝胶
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地址
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石河子大学, 新疆兵团化工绿色加工重点实验室, 新疆, 石河子, 832003
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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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一般工业技术 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:7505502
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