Collaborative Research: New Anodic Catalysts for Water Oxygen Evolution Using Hybrid Solid-State Materials
合作研究:使用混合固态材料用于水析氧的新型阳极催化剂
基本信息
- 批准号:2311116
- 负责人:
- 金额:$ 38.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-08-01 至 2026-07-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
The development of large-scale non-fossil sources of energy is arguably science and engineering's most important goal. The proposed project will address a key process for scaled use of sunlight, the electrocatalytic oxidation of water. Electrocatalysts are materials that make electrically-driven chemical reactions proceed faster, more efficiently, and/or with less input of electricity. This project will involve discovery of new catalytic materials for efficient electrochemical oxidation of water to produce hydrogen (H2) and oxygen (O2). The produced dihydrogen can be used directly as a fuel to produce electricity in hydrogen fuel cells or as a reactant to upgrade low-grade carbon-containing compounds to high-value fuels and chemicals. The project will address a critical step in a sustainable process for converting solar energy to chemical energy, thus alleviating dependence on fossil resources. A key aspect of this effort is to elucidate details and understanding of catalyst performance that would not be possible without the synergistic use of both experimental and computational interrogation.A major challenge for the scaled use of electrocatalytic processes for the use of green energy to produce hydrogen from water is the development of robust anodic materials that catalyze rapid and long-lived water oxidation. The proposed research is focused on the development of new carbon-supported materials to gain fundamental understanding of electrocatalytic water oxidation, especially with a focus on the ability to integrate well-defined molecular catalyst structures into conducting solid materials. Through a collaborative effort that involves groups in molecular catalysis (Gunnoe, Machan), nanomaterials (Zhang), theory and computational modeling (Goddard), carbon materials and catalyst characterization (Heumann), and benchmarking and mechanistic studies (Spanos) including in situ EPR spectroscopy (Schnegg), a strategy to develop and optimize molecular catalysts with ligand functionality to enhance electrocatalytic water oxidation, incorporate these molecular units into conducting carbon-based materials, and to study their efficacy and mechanism will be implemented. To achieve these goals, three objectives will be pursued: Objective 1. Increased understanding of the design of capping arene ligands to optimize performance of hybrid electrocatalysts, including multi-nuclear transition metal molecular precursors, for water oxidation based on Co or Fe metals. Objective 2. Develop design principles for pyridine-alkoxide ligands to optimize performance of hybrid electrocatalysts, with a focus on generating multi-nuclear transition metal molecular precursors, for the OER based on Cu and Co. Objective 3. Understand the impact of the carbon support on the activity and stability of the catalyst active site. Also, the project will also involve educational outreach to primarily undergraduate institutions (PUIs) to increase interest among students from diverse backgrounds in careers as scientists and engineers.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.
开发大规模的非化石能源可以说是科学和工程的最重要的目标。拟议的项目将解决规模化利用阳光的关键过程,即水的电催化氧化。电催化剂是使电驱动的化学反应更快、更有效和/或以更少的电力输入进行的材料。该项目将涉及发现新的催化材料,用于水的有效电化学氧化以产生氢气(H2)和氧气(O2)。产生的氢气可以直接用作氢燃料电池的燃料,或者作为反应物将低级含碳化合物升级为高价值的燃料和化学品。该项目将解决将太阳能转化为化学能的可持续进程中的一个关键步骤,从而减轻对化石资源的依赖。这一努力的一个关键方面是阐明细节和理解的催化剂的性能,这将是不可能的,如果没有协同使用的实验和计算的查询。一个主要的挑战,规模使用的电催化过程中使用的绿色能源,从水制氢是强大的阳极材料,催化快速和长寿命的水氧化的发展。拟议的研究重点是开发新的碳载材料,以获得对电催化水氧化的基本了解,特别是重点关注将明确定义的分子催化剂结构整合到导电固体材料中的能力。通过一个涉及分子催化的团体的合作努力,(Gunnoe,Machan),纳米材料(Zhang),理论和计算建模(戈达德),碳材料和催化剂表征(Heumann),以及基准和机理研究(Spanos),包括原位EPR光谱(Schlaug),一种开发和优化具有配体功能的分子催化剂以增强电催化水氧化的策略,将这些分子单元结合到导电碳基材料中,并研究其功效和机理。为实现这些目标,将努力实现三个目标:目标1。增加了对封端芳烃配体设计的理解,以优化混合电催化剂的性能,包括多核过渡金属分子前体,用于基于Co或Fe金属的水氧化。目标2.制定吡啶醇盐配体的设计原则,以优化混合电催化剂的性能,重点是产生多核过渡金属分子前体,用于基于Cu和Co的OER。目标3。了解碳载体对催化剂活性中心的活性和稳定性的影响。此外,该项目还将涉及教育推广到主要的本科院校(PUI),以提高来自不同背景的学生对科学家和工程师职业的兴趣。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和更广泛的影响审查标准进行评估,被认为值得支持。
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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Thomas Gunnoe其他文献
Thomas Gunnoe的其他文献
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{{ truncateString('Thomas Gunnoe', 18)}}的其他基金
Ligand Controlled Redox Catalysis with Late Transition Metal Complexes
后过渡金属配合物配体控制的氧化还原催化
- 批准号:
2102433 - 财政年份:2021
- 资助金额:
$ 38.5万 - 项目类别:
Standard Grant
Development of Hybrid Solid Materials for Stable Molecular Oxygen Anodes
稳定分子氧阳极混合固体材料的开发
- 批准号:
1805022 - 财政年份:2018
- 资助金额:
$ 38.5万 - 项目类别:
Continuing Grant
New Catalysts for Hydrocarbon Partial Oxidation
碳氢化合物部分氧化的新型催化剂
- 批准号:
1800173 - 财政年份:2018
- 资助金额:
$ 38.5万 - 项目类别:
Standard Grant
Development of Group 9 Transition Metal Catalysts for Hydrocarbon Functionalization
用于烃功能化的第9族过渡金属催化剂的开发
- 批准号:
1465145 - 财政年份:2015
- 资助金额:
$ 38.5万 - 项目类别:
Continuing Grant
Activation of Carbon-Hydrogen Bonds by Late Transition Metal Hydroxide and Amido Complexes
后过渡金属氢氧化物和氨基配合物对碳氢键的活化
- 批准号:
1152812 - 财政年份:2012
- 资助金额:
$ 38.5万 - 项目类别:
Standard Grant
MRI: Acquisition of X-Ray Single-Crystal CCD Diffractometer at the University of Virginia
MRI:在弗吉尼亚大学购买 X 射线单晶 CCD 衍射仪
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1126602 - 财政年份:2011
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$ 38.5万 - 项目类别:
Standard Grant
1,2-Addition of C-H Bonds Across Metal-Heteroatom Bonds: Study of Reactions Central to Hetero-Functionalization of C-H Bonds
金属-杂原子键上 C-H 键的 1,2-加成:C-H 键异质官能化的核心反应研究
- 批准号:
0848693 - 财政年份:2009
- 资助金额:
$ 38.5万 - 项目类别:
Continuing Grant
CAREER: Ru and Cu Amido Complexes: Aryl Coupling, C-H Activation and C-N Multiple Bond Metathesis Reactions
职业:Ru 和 Cu 氨基配合物:芳基偶联、C-H 活化和 C-N 多键复分解反应
- 批准号:
0238167 - 财政年份:2003
- 资助金额:
$ 38.5万 - 项目类别:
Continuing Grant
Research Experiences for Undergraduates in Chemistry at North Carolina State University
北卡罗莱纳州立大学化学专业本科生的研究经历
- 批准号:
0097485 - 财政年份:2001
- 资助金额:
$ 38.5万 - 项目类别:
Continuing Grant
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