CAREER: Hybrid Borane Platforms for the Activation of Small Molecules of Energy Consequence

职业：用于激活能源小分子的混合硼烷平台

基本信息

批准号：
1752876
负责人：
William Harman
金额：
$ 67.85万
依托单位：
University of California-Riverside
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
2018
资助国家：
美国
起止时间：
2018-03-01 至 2025-02-28
项目状态：
未结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=1752876&HistoricalAwards=false
关键词：
CAREER Hybrid Borane Platforms Activation

项目摘要

The large-scale storage of electricity from intermittent sources such as solar and wind power is a key challenge in the development of renewable energy. One promising approach to this challenge is the use renewable electricity to produce energy-rich chemical fuels that can be stored, transported, and used whenever necessary. This approach requires catalysts that are capable of efficiently converting inert molecules such as water and carbon dioxide into chemical fuels like hydrogen and methanol. Currently, such catalysts are typically derived from expensive, rare metals such as platinum. To make the electrochemical production of fuels more economically feasible new catalysts that are based on inexpensive and abundant elements are needed. In this project supported by the Chemical Synthesis Program of the Chemistry Division, Dr. William Harman, Chemistry Department, University of California - Riverside, is exploring platforms based on carbon and boron that mimic many of the important features of commonly used metals catalysts. Their ability to reduce carbon dioxide to fuels and fuel precursors is being developed and inexpensive catalysts are being designed. In addition to providing a vehicle for the training of graduate and undergraduate students at UCR, this research program incorporates outreach to community colleges in the inland southern California area with a focus on promoting opportunities for study in STEM fields among underrepresented groups. Due to their intrinsic redox activity and unique modes of reactivity, transition metals have dominated the field of electrochemical small molecule activation. Recently, materials based on graphitic carbon, often doped with heteroatoms, have emerged for applications in electrocatalysis. This project is preparing carbene-supported and zwitterionic diboraanthrancenes and diboraanthracenes with tethered metal ions. These species are redox active and are capable of coupling electron transfer and small molecule activation. Based on this behavior, catalysts are designed for the electrochemical synthesis of energy rich species, such as methanol, from small molecules, such as carbon dioxide. This research program incorporates a summer research experience for undergraduates at local community colleges as well as outreach to this community regarding opportunities for advanced study in chemistry.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.

从太阳能和风力发电等间歇来源的大规模存储电力是可再生能源开发的关键挑战。应对这一挑战的一种有希望的方法是使用可再生电力生产富含能量的化学燃料，这些燃料可以在必要时储存，运输和使用。这种方法需要能够有效地将水和二氧化碳等惰性分子转化为氢和甲醇等化学燃料的催化剂。当前，这种催化剂通常来自昂贵的稀有金属，例如铂金。为了使燃料的电化学生产在经济上更可行的新催化剂基于廉价和丰富的元素。在该项目中，加州大学河滨大学化学部化学部化学综合计划William Harman博士（Riverside）正在探索基于碳和硼的平台，这些平台模仿了常用金属催化剂的许多重要特征。他们开发了将二氧化碳减少二氧化碳和燃料前体的能力，并正在设计廉价的催化剂。除了提供UCR培训研究生和本科生的工具外，该研究计划还纳入了南加州内陆地区的社区学院，重点是促进代表性不足的群体中STEM领域学习的机会。由于其内在的氧化还原活性和独特的反应性模式，过渡金属占据了电化学小分子激活领域。最近，基于杂原子掺杂的石墨碳的材料已用于用于电催化的应用。该项目正在准备带有束缚的金属离子的卡宾支持和Zwitterion Diboraanthrancenes和Diboraanththracenes。这些物种具有氧化还原活性，并且能够偶联电子转移和小分子激活。基于这种行为，催化剂是为富含能量的物种（例如甲醇）的电化学合成而设计的。该研究计划纳入了当地社区学院的本科生的夏季研究经验，以及与该社区有关化学高级研究机会的宣传。该奖项反映了NSF的法定任务，并被认为是值得通过基金会的知识分子评估和更广泛的影响来通过评估来支持的。

项目成果

期刊论文数量（10）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Cooperative dinitrogen capture by a diboraanthracene/samarocene pair

二硼蒽/三茂苯对合作捕获二氮

DOI：
10.1039/d1dt03220h
发表时间：
2021
期刊：
Dalton Transactions
影响因子：
4
作者：
Xu, Song;Essex, Laura A.;Nguyen, Joseph Q.;Farias, Phillip;Ziller, Joseph W.;Harman, W. Hill;Evans, William J.
通讯作者：
Evans, William J.

H 2 evolution from H 2 O via O–H oxidative addition across a 9,10-diboraanthracene

H 2 O 通过 9,10-二硼蒽氧化加成从 H 2 O 演化出 H 2