Collaborative Research: Elucidating the Roles of Electric Fields Within Mixed Ionic and Electronic Conducting Oxides Under Electrochemical Reducing Conditions
合作研究:阐明电化学还原条件下混合离子和电子导电氧化物中电场的作用
基本信息
- 批准号:1929306
- 负责人:
- 金额:$ 28.93万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-08-15 至 2024-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
NON-TECHNICAL DESCRIPTION: High temperature electrochemical devices are critical elements needed for new high efficiency energy conversion systems. For example, a solid oxide electrolysis cell can provide hydrogen via steam electrolysis. Alternatively, as envisioned in this work, such a system can also provide syngas (carbon monoxide and hydrogen) from steam and carbon dioxide. Such complex systems operate with high efficiency and can use electricity obtained from intermittent power sources. However, their performance requires proper optimization to avoid degradation. Recent work has shown that mixed ionic-electronic conducting oxide-based cathodes exhibit promising activity and stability, which facilitates the use of pure carbon dioxide in the feed. However, a fundamental understanding of how these oxides work for processing of carbon dioxide is still limited. In this project, PIs Nikolla and McEwen integrate experiments and theory to determine how a mixed ionic-electronic conducting ceramic material interacts with carbon dioxide to facilitate its processing. Design criteria for identification of robust (active and stable) oxide cathodes in a solid oxide electrolysis cell environment are being developed. PIs Nikolla and McEwen are also actively engaged in outreach activities through training graduate and undergraduate students, who typically find employment in industry or academia. The research team also partners with industry by interacting with the Toyota Research Center. As such, this research exposes students to an industrial research environment and enables them to see the link between fundamental work in academia and application in industry.TECHNICAL DETAILS: Experimental and theoretical techniques are combined to develop a fundamental understanding of the electrochemical reduction of CO2 on mixed ionic-electronic conducting (MIEC) oxides. This fundamental understanding then enables design criteria for identification of robust (active and stable) oxides as solid oxide electrolysis cell (SOEC) cathodes to be defined. SOECs are high temperature, solid-state electrolyzers characterized by high efficiencies and unique scalability. In this project, the heterogeneities in an oxide layer, which alter the local electric field at its surface and correlate to the performance of a SOEC, are examined and the effect of the composition on the reducibility of MIEC oxides is elucidated. This knowledge is used to define the design criteria for robust MIEC-cathode SOECs. Activities that enhance the education of the next generation of students, including a summer research exchange program among the two groups for students, and partnerships with the Toyota Research Center that expose students to an industrial research environment and provide a link between the fundamental work in academia and application in industry, ensure the broad impacts of this project.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.
非技术描述:高温电化学设备是新的高效能量转换系统所需的关键元件。例如,固体氧化物电解槽可以通过蒸汽电解提供氢气。或者,正如这项工作所设想的那样,这样的系统也可以从蒸汽和二氧化碳中提供合成气(一氧化碳和氢气)。这种复杂的系统运行效率很高,可以使用从间歇电源获得的电力。然而,它们的性能需要适当的优化,以避免降级。最近的研究表明,离子-电子混合导电氧化物基阴极具有良好的活性和稳定性,有利于在原料中使用纯二氧化碳。然而,对这些氧化物如何处理二氧化碳的基本了解仍然有限。在这个项目中,PI Nikolla和McEwen结合实验和理论来确定混合离子-电子导电陶瓷材料如何与二氧化碳相互作用以促进其加工。正在制定在固体氧化物电解槽环境中识别坚固(活性和稳定)氧化物阴极的设计标准。PiS Nikolla和McEwen还通过培训研究生和本科生积极参与外联活动,这些学生通常在工业或学术界找到工作。研究团队还通过与丰田研究中心的互动与业界合作。因此,这项研究使学生接触到工业研究环境,并使他们能够看到学术基础工作和工业应用之间的联系。技术细节:实验和理论技术相结合,以加深对混合离子-电子导电(MIEC)氧化物上二氧化碳电化学还原的基本理解。这一基本认识使我们能够确定用于确定作为固体氧化物电解槽(SOEC)阴极的坚固(活性和稳定)氧化物的设计标准。SOEC是一种高温固态电解槽,具有高效率和独特的可扩展性。在这个项目中,研究了氧化层中的异质性,它改变了氧化层表面的局部电场,并与SOEC的性能相关,并阐明了组成对MIEC氧化物还原能力的影响。这些知识被用来定义坚固的MIEC-阴极SOEC的设计标准。加强下一代学生教育的活动,包括两组学生之间的暑期研究交流计划,以及与丰田研究中心的合作伙伴关系,使学生接触到工业研究环境,并在学术基础工作和工业应用之间提供联系,确保了该项目的广泛影响。该奖项反映了NSF的法定使命,并通过使用基金会的智力优势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(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Elucidating the Role of B-Site Cations toward CO 2 Reduction in Perovskite-Based Solid Oxide Electrolysis Cells
阐明 B 位阳离子对基于钙钛矿的固体氧化物电解池中 CO 2 还原的作用
- DOI:10.1149/1945-7111/ac5e9b
- 发表时间:2022
- 期刊:
- 影响因子:3.9
- 作者:Tezel, Elif;Guo, Dezhou;Whitten, Ariel;Yarema, Genevieve;Freire, Maikon;Denecke, Reinhard;McEwen, Jean-Sabin;Nikolla, Eranda
- 通讯作者:Nikolla, Eranda
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Jean-Sabin McEwen其他文献
Controlling the Oxidation State of Fe-Based Catalysts through Nitrogen Doping toward the Hydrodeoxygenation of m-Cresol
通过氮掺杂控制铁基催化剂的氧化态以实现间甲酚加氢脱氧
- DOI:
10.1021/acscatal.0c00626 - 发表时间:
2020-05 - 期刊:
- 影响因子:12.9
- 作者:
Yanling Yang;Mingwu Tan;Aidan Garcia;Zhaoxia Zhang;Jingdong Lin;Shaolong Wan;Jean-Sabin McEwen;Shuai Wang;Yong Wang - 通讯作者:
Yong Wang
Chemisorption-Induced Formation of Biphenylene Dimer on Ag(111)
Ag(111) 上化学吸附诱导形成联苯撑二聚体
- DOI:
10.1021/jacs.1c08284 - 发表时间:
2021 - 期刊:
- 影响因子:15
- 作者:
Zhiwen Zeng;Dezhou Guo;Tao Wang;Qiwei Chen;Adam Matěj;Jianmin Huang;Dong Han;Qian Xu;Aidi Zhao;Pavel Jelínek;Dimas G. de Oteyza;Jean-Sabin McEwen;Junfa Zhu - 通讯作者:
Junfa Zhu
Assessing factors that determine adatom migration and clustering on a thin film oxide; Ptsub1/sub and Rhsub1/sub on the “29” Cusubx/subO/Cu(1 1 1) surface
评估决定薄膜氧化物上吸附原子迁移和聚集的因素;“29”CuₓO/Cu(1 1 1)表面上的 Pt₁ 和 Rh₁ 。
- DOI:
10.1016/j.apsusc.2023.157145 - 发表时间:
2023-08-15 - 期刊:
- 影响因子:6.900
- 作者:
Nisa Ulumuddin;Volkan Çınar;Alex C. Schilling;Adrian Hunt;Iradwikanari Waluyo;E. Charles H. Sykes;Jean-Sabin McEwen - 通讯作者:
Jean-Sabin McEwen
Jean-Sabin McEwen的其他文献
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{{ truncateString('Jean-Sabin McEwen', 18)}}的其他基金
Collaborative Research: Controlling the Catalytic Properties of SSZ-39 Through Rational Synthesis: An Integrated Computational and Experimental Approach
合作研究:通过合理合成控制 SSZ-39 的催化性能:综合计算和实验方法
- 批准号:
2035280 - 财政年份:2020
- 资助金额:
$ 28.93万 - 项目类别:
Standard Grant
CAREER: Developing Multi-Scale Models for the Effective Design of Hydrothermally Stable Single-Site Catalysts for Low-Temperature CO Emissions Removal
职业:开发多尺度模型,用于有效设计用于低温二氧化碳减排的水热稳定单中心催化剂
- 批准号:
1653561 - 财政年份:2017
- 资助金额:
$ 28.93万 - 项目类别:
Standard Grant
EAGER: Development of Atom Efficient Single Site Catalysts for Low Temperature Hydrocarbon and CO Emissions Removal
EAGER:开发用于去除低温碳氢化合物和二氧化碳排放的原子效率单中心催化剂
- 批准号:
1552320 - 财政年份:2015
- 资助金额:
$ 28.93万 - 项目类别:
Standard Grant
NSF/DOE Advanced Combustion Engines: Collaborative Research: GOALI: Understanding NOx SCR Mechanism and Activity on Cu/Chabazite Structures throughout the Catalyst Life Cycle
NSF/DOE 先进内燃机:合作研究:GOALI:了解 NOx SCR 机制以及整个催化剂生命周期中铜/菱沸石结构的活性
- 批准号:
1258717 - 财政年份:2013
- 资助金额:
$ 28.93万 - 项目类别:
Continuing Grant
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