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首页> 外文期刊>Chemical engineering journal >Fabrication of stretchable multi-element composite for flexible solid-state electrochemical capacitor application
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Fabrication of stretchable multi-element composite for flexible solid-state electrochemical capacitor application

机译：柔性固态电化学电容器应用的可拉伸多元件复合材料的制造

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The rapid development of various portable and wearable electronics proposes a great demand on flexible supercapacitors. It is critical to develop highly flexible electrode materials for flexible supercapacitors. In this paper, we present the development of stretchable polyvinyl alcohol (PVA)/carbon nanomaterials(CNM)/polyaniline (PANI) composite with the elongation at break as high as 365% by incorporating stretchability of PVA, electrical conductivity and double-layer capacitance of CNM (CNT and carbon black), and pseudocapacitance of PANI. Based on PVA/CNM/PANI film, a flexible solid-state supercapacitor is fabricated. Supercapacitor not only delivers an outstanding specific capacitance of 284.6 mF cm(-2), but also displays high cycle life. Importantly, a stretchable supercapacitor can also be assembled by two PVA/CNM/PANI film without using carbon cloth and shows no significant energy storage capacity change at different stretching shapes and even repeated stretching/ bending cycles. The results from this study can contribute to the development and fabrication of high stretchable composite and stretchable energy-storage devices.
机译：各种便携式和可穿戴电子产品的快速发展提出了对柔性超级电路的需求。为柔性超级电容器开发高度柔性电极材料至关重要。在本文中，我们通过掺入PVA，电导率和双层电容的拉伸性CNM（CNT和炭黑），以及PANI的假偶像。基于PVA / CNM / PANI膜，制造柔性固态超级电容器。超级电容器不仅提供284.6 MF CM（-2）的出色特定电容，而且还显示出高循环寿命。重要的是，可拉伸的超级电容器也可以通过两个PVA / CNM / PANI膜组装，而不使用碳布，并且显示在不同的拉伸形状下没有显着的能量存储容量变化，甚至重复拉伸/弯曲循环。本研究的结果可以有助于高可拉伸复合材料和可拉伸的能量储存装置的开发和制造。

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