Multifiller carbon nanotube, graphene, and carbon black composite filaments: A path to versatile electromaterials

IF 4.1 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Mrs Bulletin Pub Date : 2024-07-29 DOI:10.1557/s43577-024-00757-y
Sandra Lepak-Kuc, Łukasz Nowicki, Agnieszka Lekawa-Raus, Malgorzata Jakubowska
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引用次数: 0

Abstract

Addressing the growing demand for conductive and flexible composites, this research focuses on producing thermoplastic composite fibers made of polyurethane and carbon nanomaterials featuring the highest possible electrical conductivity. Based on a recently developed methodology enabling the formation of very high filler contents of 40% w/w, this work presents a systematic investigation of the role of all the materials used during the manufacturing process and selects the materials that ensure the best electrical performance. The results show that the highest electrical conductivity and current-carrying capacities are obtained when dimethylformamide is used as a solvent, and small amounts of AKM surfactant aid the de-agglomeration of carbon nanomaterials. It is also shown that the hybridization of MWCNTs filler with graphene nanoplatelets and small amounts of carbon black is beneficial for the electrical properties. However, the highest performance is achieved with SWCNTs as fillers, exhibiting two orders of magnitude higher electrical conductivities of 6.17 × 104 S/m.

Impact statement

The article presents a pioneering exploration into the synthesis and application of a novel composite material. This research significantly impacts the field of electromaterials by introducing a cutting-edge approach that leverages the synergistic properties of carbon nanotubes, graphene, and carbon black within a single filament. The impact of this research extends beyond the laboratory, influencing the development of next-generation materials that bridge the gap between conventional materials and advanced nanomaterials. The presented composite filaments open avenues for the creation of innovative devices and systems that demand good mechanical strength, electrical conductivity, and thermal stability. Moreover, the versatility of these filaments allows for the optimization of materials properties, enabling customization based on specific application requirements. In addition to its technological significance, the paper contributes to sustainability efforts by facilitating the production of lightweight, energy-efficient materials. The insights provided by this research have the potential to reshape the landscape of materials science, inspiring further exploration and innovation in the quest for versatile and high-performance electromaterials.

Graphical abstract

Abstract Image

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多填料碳纳米管、石墨烯和炭黑复合丝:通向多功能电子材料之路
摘要 为满足对导电柔性复合材料日益增长的需求,本研究的重点是生产由聚氨酯和碳纳米材料制成的具有最高导电性能的热塑性复合纤维。基于最近开发出的一种方法,该方法能够形成 40% w/w 的超高填充物含量,这项研究对制造过程中使用的所有材料的作用进行了系统研究,并选择了能够确保最佳导电性能的材料。结果表明,当使用二甲基甲酰胺作为溶剂时,可获得最高的导电性和载流容量,而少量的 AKM 表面活性剂有助于碳纳米材料的去团聚。研究还表明,MWCNTs 填料与石墨烯纳米片和少量炭黑的杂化有利于电性能的提高。然而,以 SWCNTs 作为填料实现的性能最高,其电导率高出两个数量级,达到 6.17 × 104 S/m。这项研究引入了一种前沿方法,利用单根丝中碳纳米管、石墨烯和炭黑的协同特性,对电学材料领域产生了重大影响。这项研究的影响超出了实验室的范围,它影响了下一代材料的开发,在传统材料和先进纳米材料之间架起了一座桥梁。所展示的复合丝为制造需要良好机械强度、导电性和热稳定性的创新设备和系统开辟了道路。此外,这些长丝的多功能性还允许优化材料特性,从而根据具体应用要求进行定制。除技术意义外,该论文还促进了轻质节能材料的生产,为可持续发展做出了贡献。这项研究提供的见解有可能重塑材料科学的格局,激励人们进一步探索和创新,以寻求多功能、高性能的电子材料。
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来源期刊
Mrs Bulletin
Mrs Bulletin 工程技术-材料科学:综合
CiteScore
7.40
自引率
2.00%
发文量
193
审稿时长
4-8 weeks
期刊介绍: MRS Bulletin is one of the most widely recognized and highly respected publications in advanced materials research. Each month, the Bulletin provides a comprehensive overview of a specific materials theme, along with industry and policy developments, and MRS and materials-community news and events. Written by leading experts, the overview articles are useful references for specialists, but are also presented at a level understandable to a broad scientific audience.
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