Cellulose Nanocrystal-enabled Manufacturing of Carbon Nanotube/Carbon fiber Polymer Composites

纤维素纳米晶制造碳纳米管/碳纤维聚合物复合材料

• 批准号: 1930277
• 负责人: Amir Asadi
• 金额: $ 39.04万
• 依托单位: Texas A&M Engineering Experiment Station
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2019
• 资助国家: 美国
• 起止时间: 2019-11-01 至 2024-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1930277&HistoricalAwards=false
• 关键词: Cellulose; Nanocrystal; enabled; Manufacturing; Carbon

Composite material systems are manufactured by mixing and binding reinforcement materials into a matrix to realize desirable properties such as lightweight and high strength. There are many processing methods to incorporate reinforcement materials, such as carbon fibers and carbon nanotubes, into polymer matrices but most result in lower-than-expected properties due to poor dispersion and weak adhesion. This research establishes a new manufacturing process, based on cellulose nanocrystals, that integrates pristine nanomaterials into the polymer matrix without the need for extensive chemical or processing efforts. The new process enables the production of nanostructured hybrid polymer matrix composites at large scale with desired structure and performance with fewer processing steps, leading to economic manufacturing of these structures with impact to the U.S. aerospace, automotive, marine and defense industries. This research is an interdisciplinary effort that involves processing and manufacturing science, materials science, and chemistry and trains the next generation of highly skilled engineers for the U.S. workforce and provides unique research opportunities for women and underrepresented minority groups in STEM fields. Owing to their superior properties, carbon nanotubes (CNTs) and carbon fibers (CFs) have been extensively used to create nanostructures in polymer matrix composites (PMCs). There are various synthesis and processing techniques to integrate CNTs/CFs in PMCs. However, these techniques generally face a number of hurdles such as poor dispersion, weak interfacial and interlayer adhesion, lack of control on structure formation and lack of scalability. Particularly, the current lack of understanding in nanoscale interactions and lack of capability to tailor these interactions have decelerated manufacturing of hybrid nanostructured PMCs with tailorable performance. This project aims to fill this knowledge gap by providing fundamental understanding of how nanostructures are formed from molecular-level interactions and how they are translated into interfacial bonding and interlaminar strength in nanostructured hybrid PMCs. The new knowledge generated in this research leads to a new processing science where assisting nanomaterials, i.e. cellulose nanocrystals (CNCs), are employed to harness the architecture of hybrid composites without the need for costly and time-consuming processing. The research team performs density functional theory and molecular dynamics calculations in conjunction with experimental spectroscopy and characterization to test the hypothesis that CNCs dictate the molecular interactions and determine the formation of microstructure at micro- and meso-scales in nanostructured CNT/CF polymer composites.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

复合材料系统通过将增强材料混合并结合到基质中来制造，以实现期望的性能，例如轻质和高强度。有许多加工方法可以将增强材料（如碳纤维和碳纳米管）掺入聚合物基体中，但由于分散性差和粘附力弱，大多数方法都会导致性能低于预期。这项研究建立了一种新的制造工艺，基于纤维素纳米晶体，将原始的纳米材料整合到聚合物基质中，而不需要大量的化学或加工工作。新工艺能够以更少的加工步骤大规模生产具有所需结构和性能的纳米结构混合聚合物基复合材料，从而经济地制造这些结构，并对美国航空航天，汽车，海洋和国防工业产生影响。这项研究是一项跨学科的工作，涉及加工和制造科学，材料科学和化学，为美国劳动力培养下一代高技能工程师，并为STEM领域的女性和代表性不足的少数群体提供独特的研究机会。碳纳米管（CNTs）和碳纤维（CFs）由于其上级性能而被广泛用于聚合物基复合材料（PMCs）的纳米结构制备。有各种合成和加工技术将CNT/CF整合到PMC中。然而，这些技术通常面临许多障碍，例如分散性差、界面和层间粘合力弱、缺乏对结构形成的控制以及缺乏可扩展性。特别是，目前缺乏对纳米级相互作用的理解以及缺乏定制这些相互作用的能力已经减缓了具有可定制性能的混合纳米结构PMC的制造。该项目旨在通过提供对纳米结构如何从分子水平相互作用形成以及它们如何转化为纳米结构混合PMC中的界面结合和层间强度的基本理解来填补这一知识空白。在这项研究中产生的新知识导致了一种新的加工科学，其中辅助纳米材料，即纤维素纳米晶体（CNC），被用来利用混合复合材料的结构，而不需要昂贵和耗时的加工。研究小组进行密度泛函理论和分子动力学计算，结合实验光谱和表征，以测试CNCs决定分子相互作用的假设，并确定纳米结构CNT/CNT中微观和介观尺度的微观结构的形成。CF聚合物复合材料。该奖项反映了NSF的法定使命，并通过使用基金会的智力价值进行评估，被认为值得支持和更广泛的影响审查标准。

项目成果

Development of Novel Carbon Fiber based Electrodes for Lithium-ion Batteries

锂离子电池新型碳纤维电极的开发

• 发表时间: 2023
• 期刊: American Society for Composites-DESTech publications
• 作者: Kaynan, Ozge;Raj, Ayush;Carrola, Mia;Castaneda, Homero;Asadi, Amir
• 通讯作者: Asadi, Amir

Aqueous Dispersion of Carbon Nanomaterials with Cellulose Nanocrystals: An Investigation of Molecular Interactions

• DOI: 10.1002/smll.202202216
• 发表时间: 2022-07-28
• 期刊: SMALL
• 影响因子: 13.3
• 作者: Aramfard, Mohammad;Kaynan, Ozge;Asadi, Amir
• 通讯作者: Asadi, Amir

Fundamentals of Crystalline Evolution and Properties of Carbon Nanotube-Reinforced Polyether Ether Ketone Nanocomposites in Fused Filament Fabrication

• DOI: 10.1021/acsami.3c01307
• 发表时间: 2023-04
• 期刊: ACS Applied Materials & Interfaces
• 影响因子: 9.5
• 作者: Mia Carrola;Hamed Fallahi;Hilmar Koerner;L. M. Pérez;A. Asadi

Interfacial Properties of Hybrid Cellulose Nanocrystal/Carbonaceous Nanomaterial Composites

杂化纤维素纳米晶/碳质纳米材料复合材料的界面性能

• 发表时间: 2021
• 期刊: Proceedings of the American Society for Composites—Thirty-Sixth Technical Conference on Composite Materials
• 作者: OZGE KAYNAN, LISA PEREZ

Cellulose Nanocrystal-Enabled Tailoring of the Interface in Carbon Nanotube- and Graphene Nanoplatelet-Carbon Fiber Polymer Composites: Implications for Structural Applications

• DOI: 10.1021/acsanm.1c03860
• 发表时间: 2022-01
• 期刊: ACS Applied Nano Materials
• 影响因子: 5.9
• 作者: Ozge Kaynan;L. M. Pérez;A. Asadi