A High-Performance and Flexible Electrothermal Heater with Bending Tolerance from Layer-by-Layer Self-Assembled Graphite Nanoplates and Carbon Black on Paper

IF 4.3 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC ACS Applied Electronic Materials Pub Date : 2024-11-07 DOI:10.1021/acsaelm.4c0160510.1021/acsaelm.4c01605

Zhou Bai, Zhijian Li, Huacui Xiang, Xiaohong Jiang, Haiwei Wu, Guodong Liu, Jiajie Liu, Hongwei Zhou and Hanbin Liu*,

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Abstract

The flexible electrothermal heaters based on the Joule heating effect have attracted extensive attention in recent years due to their wide range of applications in personal thermal management and wearable devices. However, the fabrication of this kind of flexible heater with high performance but at low cost remains a challenge. Here in this work, a high-performance and flexible electrothermal heater was developed through layer-by-layer self-assembly of graphite nanoplates (GNPs) and carbon black (CB) on paper driven by capillarity. The resistivity of the assembled GNP/CB layer was around 0.02 Ω·cm after dip-coating 10 times. The heater reached a maximum temperature of 197.3 °C with a heating rate of 23 °C s^–1 under a relatively low voltage of 6 V. Importantly, no attenuation of the heating performance was observed under deformation of the device. This flexible electrothermal heater may find versatile applications, including water heating, deicing, wearable devices, and medical treatments.

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在纸上逐层自组装石墨纳米板和碳黑的具有弯曲容差的高性能柔性电热加热器

近年来，基于焦耳加热效应的柔性电热加热器在个人热管理和可穿戴设备中的广泛应用引起了广泛关注。然而，如何制造出这种高性能、低成本的柔性加热器仍然是一个挑战。在这项工作中，通过在纸上逐层自组装石墨纳米板（GNPs）和炭黑（CB），在毛细管的驱动下开发出了一种高性能柔性电热加热器。在浸涂 10 次后，GNP/CB 层的电阻率约为 0.02 Ω-cm。在相对较低的 6 V 电压下，加热器的最高温度达到 197.3 ℃，加热速度为 23 ℃ s-1。这种柔性电热加热器可广泛应用于水加热、除冰、可穿戴设备和医疗等领域。

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567

期刊介绍： ACS Applied Electronic Materials is an interdisciplinary journal publishing original research covering all aspects of electronic materials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials science, engineering, optics, physics, and chemistry into important applications of electronic materials. Sample research topics that span the journal's scope are inorganic, organic, ionic and polymeric materials with properties that include conducting, semiconducting, superconducting, insulating, dielectric, magnetic, optoelectronic, piezoelectric, ferroelectric and thermoelectric. Indexed/Abstracted： Web of Science SCIE Scopus CAS INSPEC Portico