掺银还原氧化石墨烯/PANI-DBSA-PLA 复合材料三维打印超级电容器。

IF 4.4 3区 材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY Nanomaterials Pub Date : 2024-10-20 DOI:10.3390/nano14201681
Claudia Cirillo, Mariagrazia Iuliano, Davide Scarpa, Pierpaolo Iovane, Carmela Borriello, Sabrina Portofino, Sergio Galvagno, Maria Sarno
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引用次数: 0

摘要

本研究提出了一种通过三维打印技术开发高性能超级电容器的新方法。我们合成了一种由银掺杂的还原氧化石墨烯(rGO)和十二烷基苯磺酸(DBSA)掺杂的聚苯胺(PANI)组成的复合材料,并将其与聚乳酸(PLA)进一步混合,用于增材制造。复合材料被挤压成长丝,并通过熔融沉积建模(FDM)打印成圆形圆盘电极。这些电极被组装成带有固态电解质的对称超级电容器装置。包括循环伏安法(CV)和电静态充放电(GCD)测试在内的电化学特性分析表明,在 20 mV/s 和 1 A/g 条件下,质量比电容值分别达到 136.2 F/g 和 133 F/g。这些器件显示出极佳的稳定性,在 5000 次循环后仍能保持 91% 的初始电容。银纳米粒子的加入增强了 rGO 的导电性,而 PANI-DBSA 则提高了电化学稳定性和性能。这项研究凸显了将先进材料与三维打印技术相结合来优化储能设备的潜力,与传统制造方法相比具有显著的进步。
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Silver-Doped Reduced Graphene Oxide/PANI-DBSA-PLA Composite 3D-Printed Supercapacitors.

This study presents a novel approach to the development of high-performance supercapacitors through 3D printing technology. We synthesized a composite material consisting of silver-doped reduced graphene oxide (rGO) and dodecylbenzenesulfonic acid (DBSA)-doped polyaniline (PANI), which was further blended with polylactic acid (PLA) for additive manufacturing. The composite was extruded into filaments and printed into circular disc electrodes using fused deposition modeling (FDM). These electrodes were assembled into symmetric supercapacitor devices with a solid-state electrolyte. Electrochemical characterization, including cyclic voltammetry (CV) and galvanostatic charge-discharge (GCD) tests, demonstrated considerable mass-specific capacitance values of 136.2 F/g and 133 F/g at 20 mV/s and 1 A/g, respectively. The devices showed excellent stability, retaining 91% of their initial capacitance after 5000 cycles. The incorporation of silver nanoparticles enhanced the conductivity of rGO, while PANI-DBSA improved electrochemical stability and performance. This study highlights the potential of combining advanced materials with 3D printing to optimize energy storage devices, offering a significant advancement over traditional manufacturing methods.

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来源期刊
Nanomaterials
Nanomaterials NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
8.50
自引率
9.40%
发文量
3841
审稿时长
14.22 days
期刊介绍: Nanomaterials (ISSN 2076-4991) is an international and interdisciplinary scholarly open access journal. It publishes reviews, regular research papers, communications, and short notes that are relevant to any field of study that involves nanomaterials, with respect to their science and application. Thus, theoretical and experimental articles will be accepted, along with articles that deal with the synthesis and use of nanomaterials. Articles that synthesize information from multiple fields, and which place discoveries within a broader context, will be preferred. There is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental or methodical details, or both, must be provided for research articles. Computed data or files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material. Nanomaterials is dedicated to a high scientific standard. All manuscripts undergo a rigorous reviewing process and decisions are based on the recommendations of independent reviewers.
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