Electrodeposition of fabricated tin sulfide nanoparticles on graphene oxide and natural fibers based robust freestanding electrodes for flexible energy storage devices

IF 2.6 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

Journal of Electroceramics Pub Date : 2025-05-09 DOI:10.1007/s10832-025-00404-1

Sameen Ilyas, Fatima Kainat, Sadaf Manzoor, I. Sultana, Imran Rafiq, Naushad Ahmad, Shahid M. Ramay, Aamir Razaq

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引用次数: 0

Abstract

Graphene-oxide (GO) based composites exhibit promising energy storage properties like adaptable porosity, chemical stability, excellent conductivity, and exceptional ability to charge storage processes. However, the inherent rigid structure of GO limits its use for modern flexible and disposable energy storage devices. This study presents the fabrication of Graphene oxide/tin sulfide-based flexible composites by employing natural fibers (as a binder) extracted from wasted bioresources (banana peels). GO and tin sulfide (SnS) nanoparticles are synthesized by a facile and fast microwave-assisted approach. Furthermore, SnS nanoparticles are deposited electrochemically on fabricated GO-based paper electrodes to enhance their electronic conductivity and energy storage characteristics. Highly flexible paper-based electrodes are characterized by different characterization techniques, i.e., scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, and RAMAN spectroscopy to observe their morphology and chemical bonding. Electrochemical measurements, including Cyclic voltammetry (CV), galvanostatic charge/discharge (GCD), and electrochemical impedance spectroscopy (EIS), are performed to observe the kinetics and capacitive behavior of the electrodes. LC/GO/SnS 2400 s exhibit specific capacitance of 68.78 F/g at which is greater than GO/LC (30.97 F/g). Prepared tertiary composite (GO/LC/SnS) depicts excellent charge-discharge behavior. LC/GO/SnS 2400 s reveals power density of 84.6 W/kg at 4.57 Wh/kg and also show specific capacitance of 55.4 F/g. Superior electrochemical characteristics are indicated by the GO/LC/SnS (2400 s) electrode and lower Rs (0.89Ω) and Rct(1.7Ω) values as compared to the binary composite (GO/LC). These composites provide a deep insight into the construction of electrodes with high ionic/electronic conductivity for fast-charging energy storage devices.

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制备的硫化锡纳米颗粒电沉积在氧化石墨烯和天然纤维上，用于柔性储能装置的坚固独立电极

石墨烯-氧化石墨烯（GO）基复合材料具有良好的储能性能，如适应性孔隙度、化学稳定性、优异的导电性和卓越的充电存储能力。然而，氧化石墨烯固有的刚性结构限制了其在现代柔性和一次性储能设备中的应用。本研究介绍了利用从废弃生物资源（香蕉皮）中提取的天然纤维（作为粘合剂）制备氧化石墨烯/硫化锡基柔性复合材料。采用微波辅助制备了氧化石墨烯和硫化锡纳米颗粒。此外，将SnS纳米颗粒电化学沉积在制备的氧化石墨烯基纸电极上，以提高其电子导电性和储能特性。采用不同的表征技术，即扫描电子显微镜（SEM）、傅里叶变换红外光谱（FTIR）和拉曼光谱来观察高柔性纸基电极的形貌和化学键合。电化学测量包括循环伏安法（CV）、恒流充放电法（GCD）和电化学阻抗谱法（EIS）来观察电极的动力学和电容行为。LC/GO/SnS 2400 s的比电容为68.78 F/g，高于GO/LC （30.97 F/g）。制备的三级复合材料（GO/LC/SnS）具有优异的充放电性能。LC/GO/SnS 2400 s在4.57 Wh/kg时的功率密度为84.6 W/kg，比电容为55.4 F/g。与二元复合材料（GO/LC）相比，GO/LC/SnS （2400 s）电极具有更好的电化学特性，Rs （0.89Ω）和Rct（1.7Ω）值更低。这些复合材料为快速充电储能装置提供了具有高离子/电子导电性的电极结构的深刻见解。

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来源期刊

Journal of Electroceramics 工程技术-材料科学：硅酸盐

CiteScore

2.80

自引率

5.90%

发文量

审稿时长

5.7 months

期刊介绍： While ceramics have traditionally been admired for their mechanical, chemical and thermal stability, their unique electrical, optical and magnetic properties have become of increasing importance in many key technologies including communications, energy conversion and storage, electronics and automation. Electroceramics benefit greatly from their versatility in properties including: -insulating to metallic and fast ion conductivity -piezo-, ferro-, and pyro-electricity -electro- and nonlinear optical properties -feromagnetism. When combined with thermal, mechanical, and chemical stability, these properties often render them the materials of choice. The Journal of Electroceramics is dedicated to providing a forum of discussion cutting across issues in electrical, optical, and magnetic ceramics. Driven by the need for miniaturization, cost, and enhanced functionality, the field of electroceramics is growing rapidly in many new directions. The Journal encourages discussions of resultant trends concerning silicon-electroceramic integration, nanotechnology, ceramic-polymer composites, grain boundary and defect engineering, etc.