GOALI: CAS: Oxygen Evolution Catalysts for Membrane Electrolysis: From Fundamentals to Applications

目标：CAS：膜电解析氧催化剂：从基础到应用

• 批准号: 1955106
• 负责人: Shannon Boettcher
• 金额: $ 49.93万
• 依托单位: University of Oregon Eugene
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2020
• 资助国家: 美国
• 起止时间: 2020-07-15 至 2024-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1955106&HistoricalAwards=false
• 关键词: GOALI; CAS; Oxygen; Evolution; Catalysts

The development of clean and sustainable energy sources is critical for the economic and environmental vitality of human civilization. Renewables, such as sun and wind power, are intermittent and thus expensive to integrate with fossil fuels at the capacity needed to power the planet. Scalable, inexpensive energy-storage technologies are needed. In this project, Dr. Boettcher (University of Oregon) is collaborating with Dr. Ayers at Proton OnSite / Nel Hydrogen (Wallingford, Connecticut) to study the conversion of water (H2O) into hydrogen (H2) and oxygen (O2) gas using renewable electricity as the input. Hydrogen gas is a sustainable, carbon-free, renewable fuel to replace fossil fuels. It can be used in fuel cells to re-generate electricity on demand or burned like natural gas, without carbon dioxide emission. This research is addressing the inefficiency of the oxygen production part of the overall reaction. The team combines fundamental studies to understand how this reaction occurs and how to improve it. The industry-academic collaboration is testing the findings in commercially-relevant systems. In one example, the team is studying how chemical species containing iron, when placed in different environments, speed up the generation of oxygen and save energy in making hydrogen. The team is working to understand how these iron species change under long-term practical operating conditions. The team is also designing new materials that work well with existing technology but are less expensive to manufacture. The graduate students working on the project complete industry internships at Proton OnSite. The team conducts outreach activities with local middle school students that engages them in hands-on energy storage and sustainability laboratory activities on the University of Oregon campus, and introduces first year university students to scientific research through research-immersion courses. Funding for this award is provided by the Chemical Catalysis Program in the Division of Chemistry and the Catalysis Program in Chemical, Bioengineering, Environmental and Transport Systems. Professor Shannon Boettcher from the University of Oregon (UO) is collaborating with Dr. Kathy Ayers at Proton OnSite / Nel Hydrogen (Wallingford, CT) and her team to use well-controlled electrochemical synthesis to create Fe in different local environments in transition-metal oxyhydroxide and oxide phases and probe OER mechanism and activity/durability relationships using a host of advanced operando techniques. They uncover the compositional, structural, and morphological dynamics that drive performance degradation in (oxy)hydroxide/oxide OER catalysts under long-durations and high-current densities. The team also creates new synthetic approaches to assemble precious-metal OER catalysts for use in proton-exchange-membrane electrolyzers where every precious metal atom is available to drive the OER while chemically stabilized by appropriate oxo linkages to inactive metal cations and through support interactions. This research has the potential to decouple the apparent inverse relationship observed between stability and activity for OER catalysts while connecting industry and academic researchers through graduate-student internships at Nel Hydrogen / Proton Onsite and industry researcher visits to Oregon. These science aims are coupled with outreach and education activities. Graduate students lead teams of undergraduates through a “research-immersion” course developed by Boettcher that enables first-year chemistry students to earn credit for general chemistry laboratory by working on real, unsolved scientific questions. Hands-on middle school outreach events in the area of energy and electrochemistry are available to underserved students through an ongoing program founded by Boettcher. Funding for this award is provided by the Chemical Catalysis Program in the Division of Chemistry and the Catalysis Program in Chemical, Bioengineering, Environmental and Transport Systems.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.

清洁和可持续能源的发展对于人类文明的经济和环境活力至关重要。可再生能源（例如阳光和风能）是间歇性的，因此与化石燃料融合的能力为地球供电所需的能力昂贵。需要可扩展，廉价的能源储存技术。在该项目中，Boettcher博士（俄勒冈大学）正在与Proton Onloton / NEL氢（康涅狄格州Wallingford，Connecticut）的Ayers博士合作，以使用可再生电力作为输入来研究水（H2O）向氢（H2）和氧气（H2）和氧气（O2）气体的转化。氢气是一种可持续的，无碳，可再生的燃料，可以替代化石燃料。它可以用于燃料电池中以按需重新发电，也可以像天然气一样燃烧，而无需二氧化碳排放。这项研究正在解决总体反应的氧生产部分的效率低下。该团队结合了基本研究，以了解这种反应的发生以及如何改进。行业学术的合作正在测试与商业相关的系统中的发现。在一个例子中，小组正在研究化学物种在放置在不同环境中时如何含铁，加快氧气的产生并节省产生氢的能量。该团队正在努力了解这些铁物种在长期实践工作条件下如何变化。该团队还设计了与现有技术合作良好的新材料，但制造价格较低。从事该项目的研究生在Proton Onite的完整行业实习。该团队与当地的中学生进行外展活动，以使他们在俄勒冈大学校园内进行动手存储和可持续性实验室活动，并通过研究 - 浸入式课程向一年级的大学生介绍科学研究。该奖项的资金由化学催化计划和化学，生物工程，环境和运输系统的化学催化计划提供。来自俄勒冈大学（UO）的Shannon Boettcher教授正在与Proton OnIte / NEL氢（CT Wallingford，CT）及其团队的Kathy Ayers博士合作，使用良好的电化学合成，以在过渡型氧化物和氧化氢酶的不同本地环境中创建FE，以创建FE，并在探险范围内进行探测器和氧化氢酶的机制和探测器机构，并且技术。他们发现了在长期和高电流密度下（氧）氢氧化物/氧化物OER催化剂（氧化物）/氧化物OER催化剂中的性能降解的组成，结构和形态动力学。该团队还创建了新的合成方法，以组装珍贵的金属OER催化剂，以用于质子交换 - 跨膜电解器中，其中每个贵重金属原子都可以驱动OER，同时通过适当的Oxo链接到无效金属阳离子和通过支持相互作用进行化学稳定。这项研究有可能使OER催化剂的稳定性与活动之间观察到明显的反关系，同时通过NEL氢 /质子现场的研究生实习与俄勒冈州NEL氢 /质子研究人员的访问联系。这些科学目标与外展和教育活动相结合。研究生通过Boettcher开发的“研究浸入式”课程来领导本科生的团队，该课程使第一年的化学学生能够通过处理真正的，未解决的科学问题来赢得通用化学实验室的学分。通过Boettcher创立的一项正在进行的计划，可以为学生提供的能源和电化学领域的动手中学外展活动。该奖项的资金由化学催化计划在化学局和化学，生物工程，环境和运输系统方面的催化计划中提供。该奖项反映了NSF的法定任务，并被认为是通过基金会的知识分子优点和更广泛的影响审查标准来评估来获得的支持。

项目成果

Purification of residual Ni and Co hydroxides from Fe‐free alkaline electrolyte for electrocatalysis studies

纯化无铁碱性电解液中残留的镍和钴氢氧化物，用于电催化研究

• DOI: 10.1002/celc.202200279
• 发表时间: 2022
• 期刊: ChemElectroChem
• 影响因子: 4
• 作者: Liu, Lu;Twight, Liam P;Fehrs, Jessica L;Ou, Yingqing;Sun, Deen;Boettcher, Shannon
• 通讯作者: Boettcher, Shannon

Oxygen Electrocatalysis on Mixed-Metal Oxides/Oxyhydroxides: From Fundamentals to Membrane Electrolyzer Technology

• DOI: 10.1021/accountsmr.1c00087
• 发表时间: 2021-07-13
• 期刊: ACCOUNTS OF MATERIALS RESEARCH
• 影响因子: 14.6
• 作者: Krivina, Raina A.;Ou, Yingqing;Boettcher, Shannon W.
• 通讯作者: Boettcher, Shannon W.