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用于优化储能技术的块状陶瓷和厚膜涂层的对比分析。

Comparative analysis of bulk ceramics and thick film coatings for optimized energy storage technologies.

作者信息

Khan Imran Hussain, Habib Muhammad Salman, Maqbool Adnan, Rafiq Muhammad Asif, Ali Amjad, Nur Khushnuda, Inam Aqil, Blazek Vojtech, Misak Stanislav

机构信息

Department of Metallurgical and Materials Engineering, University of Engineering and Technology, G.T Road, Lahore, 54890, Pakistan.

Department of Metallurgy and Materials Engineering, CEET, University of the Punjab, Lahore, Pakistan.

出版信息

Sci Rep. 2024 Dec 30;14(1):31800. doi: 10.1038/s41598-024-82067-6.

DOI:10.1038/s41598-024-82067-6
PMID:39738475
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11686106/
Abstract

The present investigation provides an easy and affordable strategy for fabrication of functional ceramics BiNaTiO-SrFeO (BNT-SrF5) thick films on a flexible, inexpensive and electrically integrated substrate using electrophoretic deposition process (EPD). EPD is a widely accepted, environmentally friendly method for applying coatings from a colloidal suspension to conductive substrates. Lead-free ferroelectric BNT-SrF5 powder was synthesized by solid state method to fabricate bulk samples and thick films (30-160 μm) by EPD process. Thick films were deposited onto nickel substrate by applying EPD parameters, i.e. voltage (225-290 V) and coating time (30-180 s) to acetone based colloidal suspension without aid of any dispersing agent. In a comparative analysis, both thick films and bulk ceramics revealed significant densification with sintering temperature from 1025 to 1150 °C. Fourier transform Infrared (FTIR) and X-ray diffraction (XRD) analysis revealed presence of distorted perovskite structure following calcination and sintering processes. Scanning electron microscopy (SEM) provided the surface morphologies of BNT-SrF5 powder. The dielectric constant of film sample revealed more thermal stable response compared to the bulk ceramics. Impedance spectroscopy explained the electrically active regions and hopping conduction mechanism which witnessed NTCR behavior. The potential applications for the miniaturization of electronics are sensors, actuators and energy harvesting devices.

摘要

本研究提供了一种简便且经济的策略，用于通过电泳沉积工艺（EPD）在柔性、廉价且电集成的基板上制备功能陶瓷铋钠钛矿-锶铁氧体（BNT-SrF5）厚膜。EPD是一种广泛认可的、环境友好的方法，用于将胶体悬浮液中的涂层施加到导电基板上。采用固态法合成了无铅铁电体BNT-SrF5粉末，通过EPD工艺制备了块状样品和厚膜（30 - 160μm）。在不使用任何分散剂的情况下，通过施加EPD参数，即电压（225 - 290V）和镀膜时间（30 - 180s），将厚膜沉积在镍基板上的丙酮基胶体悬浮液中。在对比分析中，厚膜和块状陶瓷在1025至1150°C的烧结温度下均显示出显著的致密化。傅里叶变换红外光谱（FTIR）和X射线衍射（XRD）分析表明，在煅烧和烧结过程后存在畸变的钙钛矿结构。扫描电子显微镜（SEM）提供了BNT-SrF5粉末的表面形貌。薄膜样品的介电常数显示出比块状陶瓷更热稳定的响应。阻抗谱解释了电活性区域和跳跃传导机制，这见证了NTCR行为。电子小型化的潜在应用包括传感器、致动器和能量收集装置。

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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8239/11686106/79b894f06d16/41598_2024_82067_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8239/11686106/94d815720b62/41598_2024_82067_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8239/11686106/5c276baf3693/41598_2024_82067_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8239/11686106/845f7767d76e/41598_2024_82067_Fig11_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8239/11686106/bf499a9dc493/41598_2024_82067_Fig13_HTML.jpg

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本文引用的文献

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Heliyon. 2023 Mar 23;9(4):e14761. doi: 10.1016/j.heliyon.2023.e14761. eCollection 2023 Apr.
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Two-Dimensional Hybrid Perovskite Ferroelectric Induced by Perfluorinated Substitution.全氟取代诱导的二维混合钙钛矿铁电体
J Am Chem Soc. 2020 Nov 25;142(47):20208-20215. doi: 10.1021/jacs.0c10686. Epub 2020 Nov 12.
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High energy storage density over a broad temperature range in sodium bismuth titanate-based lead-free ceramics.
基于钛酸铋钠的无铅陶瓷在较宽温度范围内具有高储能密度。
Sci Rep. 2017 Aug 18;7(1):8726. doi: 10.1038/s41598-017-06966-7.
4
Unleashing the Full Sustainable Potential of Thick Films of Lead-Free Potassium Sodium Niobate (K0.5Na0.5NbO3) by Aqueous Electrophoretic Deposition.通过水基电泳沉积释放无铅钾钠铌酸钾（K0.5Na0.5NbO3）厚膜的全部可持续潜力。
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