Innovative Processes for Fabricating Three-Dimensional Ultrathin Foams with Enhanced Thermal Properties
制造具有增强热性能的三维超薄泡沫的创新工艺
基本信息
- 批准号:1563382
- 负责人:
- 金额:$ 35万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-09-01 至 2020-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Three-dimensional (3D) ultrathin foams of two-dimensional (2D) materials hold high potential for a variety of applications, including structure reinforcement, thermal management, and energy storage. However, their industrial adoption has been limited due to the substantial difficulties in controlling the pore size and strut wall thickness of the foams to desired dimensions with existing materials processing technologies. This award supports research to address this challenge, by investigating an original and novel process that can lead to highly controllable growth of 3D foams with tunable pore sizes. This research will accelerate the processing technology of 3D porous materials with substantial impact on an array of applications including energy storage, thermal management, and flexible electronics. It will also provide opportunities for educating the next generation workforce to enhance the competitiveness of the US in materials processing and manufacturing technologies. The goal of this research is to investigate an innovative process for manufacturing 3D foam architectures of 2D ultrathin graphite (UG) as well as similar foams of dielectric 2D hexagonal boron nitride (h-BN) with controllable pore sizes between 1 micon and 100 microns, and tunable strut wall thickness from 1 to 1000 nm. The materials processing method consists of a new approach for fabricating Ni foams as catalytic templates with reduced pore sizes or multiple level porosity, an energy effective and rapid RF induction heating method for growth of large-scale UG and h-BN materials, and an efficient Ni etching process. This work will also establish a fundamental understanding of the effects of pore size, wall thickness, grain boundaries and structure on the thermal properties of UG and h-BN foams and composites. New knowledge in materials processing will be obtained for manufacturing 3D multilevel porous UG and h-BN materials with enhanced thermal management properties. The understanding and knowledge resulting from this work will also potentially lead to a general approach for manufacturing a variety of other 2D materials into 3D foam structures.
二维(2D)材料的三维(3D)超薄泡沫在各种应用中具有很高的潜力,包括结构加固,热管理和能量存储。然而,由于现有的材料加工技术难以将泡沫的孔径和支撑壁厚控制到所需的尺寸,因此它们的工业应用受到限制。该奖项支持解决这一挑战的研究,通过研究一种原创和新颖的工艺,可以实现具有可调孔径的3D泡沫的高度可控生长。这项研究将加速3D多孔材料的加工技术,对包括储能、热管理和柔性电子在内的一系列应用产生重大影响。它还将为教育下一代劳动力提供机会,以提高美国在材料加工和制造技术方面的竞争力。本研究的目标是研究一种创新的工艺,用于制造二维超薄石墨(UG)的3D泡沫结构,以及类似的介电二维六方氮化硼(h-BN)泡沫,其孔径在1微米到100微米之间,支撑壁厚在1到1000纳米之间可调。该材料加工方法包括一种制备具有小孔径或多级孔隙率的Ni泡沫作为催化模板的新方法,一种用于生长大规模UG和h-BN材料的节能快速射频感应加热方法,以及一种高效的Ni蚀刻工艺。这项工作也将建立一个基本的理解孔径,壁厚,晶界和结构对UG和h-BN泡沫和复合材料热性能的影响。将获得材料加工方面的新知识,用于制造具有增强热管理性能的3D多层多孔UG和h-BN材料。从这项工作中获得的理解和知识也将有可能导致将各种其他2D材料制造成3D泡沫结构的通用方法。
项目成果
期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Structural and Synthetic Modification of Graphitic Foams and Dendritic Graphitic Foams for Thermal Management
用于热管理的石墨泡沫和树枝状石墨泡沫的结构和合成改性
- DOI:10.1002/pssa.202100576
- 发表时间:2021
- 期刊:
- 影响因子:0
- 作者:Jia, Qianru;Liu, Yifei;Fan, Donglei Emma;Shi, Li
- 通讯作者:Shi, Li
Efficient Alkaline Seawater Oxidation by a Three-dimensional Core-shell Dendritic NiCo@NiFe Layered Double Hydroxide Electrode
- DOI:10.1016/j.mtphys.2022.100841
- 发表时间:2022-09
- 期刊:
- 影响因子:11.5
- 作者:Fanghao Zhang;Yifei Liu;Libo Wu;Minghui Ning;Shaowei Song;X. Xiao;V. Hadjiev;D. Fan;Dezhi Wang;Luo Yu;Shuo Chen;Z. Ren
- 通讯作者:Fanghao Zhang;Yifei Liu;Libo Wu;Minghui Ning;Shaowei Song;X. Xiao;V. Hadjiev;D. Fan;Dezhi Wang;Luo Yu;Shuo Chen;Z. Ren
Portable Bulk-Water Disinfection by Live Capture of Bacteria with Divergently Branched Porous Graphite in Electric Fields
- DOI:10.1021/acsnano.2c12229
- 发表时间:2023-05-24
- 期刊:
- 影响因子:17.1
- 作者:Luo, Xianfu;Li, Weigu;Fan, Donglei Emma
- 通讯作者:Fan, Donglei Emma
Scalable Fabrication of Molybdenum Disulfide Nanostructures and their Assembly
- DOI:10.1002/adma.202003439
- 发表时间:2020-09-21
- 期刊:
- 影响因子:29.4
- 作者:Huang, Yun;Yu, Kang;Fan, Donglei (Emma)
- 通讯作者:Fan, Donglei (Emma)
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Donglei Emma Fan其他文献
Donglei Emma Fan的其他文献
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