GOALI: Molecular Modeling of Confined Nano-Phases and Novel Nano-Porous Materials
GOALI:受限纳米相和新型纳米多孔材料的分子建模
基本信息
- 批准号:0932656
- 负责人:
- 金额:$ 37.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2009
- 资助国家:美国
- 起止时间:2009-10-01 至 2013-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
0932656GubbinsThis is a GOALI project involving university-industry collaboration between researchers at North Carolina State University (NCSU) and at Quantachrome Instruments, a leading maker of instruments for characterizing nano-structured materials. The aim of this project is to develop and apply atomistic simulation methods to obtain realistic atomic models for several new classes of synthetic nanoporous materials, and to use these to investigate confined phases within these materials and to assist in optimization of the materials for specific applications. The materials to be studied are carbide-derived carbons, mesoporous carbons and silicas, and hierarchical carbons and silicas. These materials hold promise for energy-related applications in hydrogen storage, catalysis, microelectronics (mesoporous silicas), and as electrodes in fuel cells, batteries and supercapacitors (carbide-derived carbons, mesoporous and hierarchical carbons). Accurate and realistic atomic models of these materials are essential to the development of optimal material designs for these applications.Preparation of these materials and experimental studies of structure and adsorption on them will be performed by researchers at Quantachrome Instruments, and this data will be provided to the NCSU researchers. Quantachrome scientists will also offer advice on directions for the modeling work carried out at NCSU. The NCSU researchers will develop and test a new simulation methodology, Hybrid Reverse Molecular Dynamics, for building realistic atomistic models of these materials. Monte Carlo and molecular dynamics simulations will be carried out to study adsorption in these materials, and of diffusion in the carbide-derived carbons and hierarchical carbons and silicas. In the case of the carbon materials, molecular simulations will be carried out to determine their performance as supercapacitors, including studies of capacitance, power density and diffusion in the pore structures, with the aim of understanding the influence of pore design on performance. Intellectual Merit. Because these novel materials are not crystalline, a combination of atomistic simulation and experiment provides the best route to developing realistic atomic models of them. Existing models of such materials assume over-simplified pore geometries (slit or cylinder shaped) and are inadequate for predicting the behavior of adsorbed phases. The realistic models that are being developed will make possible fundamental investigations of the influence of confinement and nature of the material on adsorption, phase changes, diffusion, reactions and electrode performance. Broader Impact. Improved understanding of the behavior of nano-phases confined within these novel nano-porous materials will impact a broad range of technologies, and is essential to the design of new biological and chemical sensors, nano-reactors, hydrogen storage media, electrodes for fuel cells and batteries, and nano-structured catalysts. Graduate and undergraduate students working on this project will learn modern multi-scale modeling methods, and will gain experience of international cooperative research through our active collaborations in this area with researchers in Japan, Poland, China and Hong Kong. Graduate students from under-represented groups will be recruited through a bridging program and an existing AGEP program with nearby HBCUs.
0932656 Gubbins这是一个GOALI项目,涉及北卡罗来纳州州立大学(NCSU)和Quantachrome仪器(表征纳米结构材料的仪器的领先制造商)的研究人员之间的大学-工业合作。 该项目的目的是开发和应用原子模拟方法,以获得几种新型合成纳米多孔材料的真实原子模型,并使用这些模型来研究这些材料中的受限相,并协助优化特定应用的材料。 要研究的材料是碳化物衍生的碳,介孔碳和二氧化硅,以及分级碳和二氧化硅。 这些材料有望用于储氢、催化、微电子(介孔二氧化硅)以及燃料电池、电池和超级电容器(碳化物衍生碳、介孔和分级碳)中的电极等与能源相关的应用。 这些材料的精确和现实的原子模型对于开发这些应用的最佳材料设计至关重要。这些材料的制备以及结构和吸附的实验研究将由Quantachrome Instruments的研究人员进行,这些数据将提供给NCSU的研究人员。 Quantachrome的科学家还将为NCSU进行的建模工作提供方向建议。 NCSU的研究人员将开发和测试一种新的模拟方法,混合反向分子动力学,用于建立这些材料的现实原子模型。 将进行蒙特卡罗和分子动力学模拟,以研究这些材料中的吸附,以及碳化物衍生碳和分级碳和二氧化硅中的扩散。 在碳材料的情况下,将进行分子模拟,以确定其作为超级电容器的性能,包括研究电容,功率密度和孔结构中的扩散,目的是了解孔设计对性能的影响。 智力优势。 由于这些新材料不是晶体,原子模拟和实验的结合提供了开发它们的现实原子模型的最佳途径。 这种材料的现有模型假设过于简化的孔隙几何形状(狭缝或圆柱形),并不足以预测吸附相的行为。 正在开发的现实模型将使限制和性质的材料对吸附,相变,扩散,反应和电极性能的影响的基本调查成为可能。更广泛的影响。 对这些新型纳米多孔材料中纳米相行为的进一步理解将影响广泛的技术,并且对于新的生物和化学传感器,纳米反应器,储氢介质,燃料电池和电池电极以及纳米结构催化剂的设计至关重要。 从事该项目的研究生和本科生将学习现代多尺度建模方法,并将通过与日本,波兰,中国和香港的研究人员在该领域的积极合作获得国际合作研究的经验。来自代表性不足群体的研究生将通过桥接计划和与附近HBCU的现有AGEP计划招募。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Keith Gubbins其他文献
Keith Gubbins的其他文献
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{{ truncateString('Keith Gubbins', 18)}}的其他基金
Enhanced solubility in nanopores and its role in adsorption separations
纳米孔中溶解度的增强及其在吸附分离中的作用
- 批准号:
1603851 - 财政年份:2016
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
GOALI: Molecular modeling of confined nano-phases: pressure enhancement, diffusion and electrical double layers
GOALI:受限纳米相的分子建模:压力增强、扩散和双电层
- 批准号:
1160151 - 财政年份:2012
- 资助金额:
$ 37.5万 - 项目类别:
Continuing Grant
"IRES: U.S.-Germany Collaborative Research on Self-Assembled Nanostructures"
“IRES:美德自组装纳米结构合作研究”
- 批准号:
1065466 - 财政年份:2011
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
COLLABORATIVE RESEARCH: Nano-Engineered MOF-Graphene Materials: New Perspectives for Reactive Adsorption and Catalysis
合作研究:纳米工程MOF-石墨烯材料:反应吸附和催化的新视角
- 批准号:
1133066 - 财政年份:2011
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
Collaborative Research: Confinement and Surface Effects on Heterogeneous Reactions with Diffusion in Nano-Porous Materials
合作研究:纳米多孔材料中非均相扩散反应的约束和表面效应
- 批准号:
1012780 - 财政年份:2010
- 资助金额:
$ 37.5万 - 项目类别:
Continuing Grant
Collaborative Research: Removal of Toxic Gases by Intercalation and Reactive Adsorption
合作研究:插层和反应吸附去除有毒气体
- 批准号:
0754979 - 财政年份:2008
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
US-Poland Workshop on Interfacial Phenomena and Advanced Materials
美国-波兰界面现象和先进材料研讨会
- 批准号:
0741367 - 财政年份:2007
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
GOALI: Molecular Modeling of Confined Nano-Phases and Novel Nano-Porous Materials
GOALI:受限纳米相和新型纳米多孔材料的分子建模
- 批准号:
0626031 - 财政年份:2006
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
U.S.-Germany: Cooperative Research on Surfactant Self-Aggregation on Solid Surfaces and in Pores
美德:固体表面和孔隙中表面活性剂自聚集的合作研究
- 批准号:
0541956 - 财政年份:2006
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
NIRT: Surfactant Self-Assembly on Nano-Structured Surfaces: Multi-Scale Computational Prediction and Design
NIRT:纳米结构表面上的表面活性剂自组装:多尺度计算预测和设计
- 批准号:
0403633 - 财政年份:2004
- 资助金额:
$ 37.5万 - 项目类别:
Continuing Grant
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