CAREER: Harnessing Dynamic Dipoles for Solid-State Ion Transport

职业：利用动态偶极子进行固态离子传输

• 批准号: 2339634
• 负责人: Annalise Maughan
• 金额: $ 79.17万
• 依托单位: Colorado School of Mines
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2024
• 资助国家: 美国
• 起止时间: 2024-03-01 至 2029-02-28
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2339634&HistoricalAwards=false
• 关键词: CAREER; Harnessing; Dynamic; Dipoles; Solid

Non-Technical Abstract:Ion transport in solid-state materials underpins a wide range of societally relevant technologies. With this CAREER award, supported by the Solid State and Materials Chemistry program in NSF’s Division of Materials Research, the principal investigator and her research group investigate the use of dynamic molecular species as a design principle to facilitate solid-state ion transport. Through targeted materials discovery coupled with state-of-the-art characterization of structure and molecular dynamics, this project unravels the rich and complex mechanisms of ion transport in a class of solid-state ion conductors that has not received a lot of attention so far. Given the essential and ubiquitous role of solid-state ion transport in modern and emerging technologies, this work holds the potential for far-reaching and transformative fundamental and technological advances, for example in the areas of renewable energy technology, neuromorphic computing, and beyond. Also part of this CAREER award are educational efforts to engage learners at all levels through development of a publicly available video series that presents materials chemistry concepts in short episodes for audiences of varying educational levels and backgrounds. Outreach activities seek to broaden participation in STEM through an inquiry-based materials chemistry detective activity aimed at underserved high schools in the Denver metro area.Technical Abstract:Mastery over solid-state ion transport is paramount for broad diversity of applications and technologies, including batteries, fuel cells, neuromorphic computing, and beyond. With this CAREER award, supported by the Solid State and Materials Chemistry program in NSF’s Division of Materials Research, the principal investigator establishes a unique class of solid-state ion conductors and materials design principles that expand the present paradigm surrounding the role of polarizability and molecular dynamics in ion transport in the crystalline solid state. Experimental efforts integrate targeted materials discovery, advanced structural modeling through X-ray and neutron total scattering, and cutting-edge characterization of dynamics and diffusion to understand how dynamic, dipolar species facilitate solid-state ion transport across time and length scales. Educational tools and outreach activities engage learners at all levels with core concepts in materials chemistry. A video series presents materials chemistry concepts at varying levels of technical detail that are accessible to learners at multiple levels. STEM outreach seeks to engage high school students from underserved schools in an inquiry-based materials detective game in which students explore and develop an understanding of the relationships between composition, atomic-level structure, and observable properties in solid-state materials.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.

非技术摘要：固态材料中的离子传输支撑着广泛的社会相关技术。在NSF材料研究部的固态和材料化学项目的支持下，该职业奖的主要研究者和她的研究小组研究了使用动态分子物种作为促进固态离子传输的设计原理。通过有针对性的材料发现，再加上最先进的结构和分子动力学表征，该项目揭示了一类固态离子导体中离子传输的丰富而复杂的机制，迄今为止尚未受到很多关注。鉴于固态离子传输在现代和新兴技术中的重要和普遍作用，这项工作具有深远和变革性的基础和技术进步的潜力，例如在可再生能源技术，神经形态计算等领域。该职业奖的另一部分是教育工作，通过开发一个公开的视频系列，为不同教育水平和背景的观众提供材料化学概念的短片，吸引各级学习者。推广活动旨在通过一个以调查为基础的材料化学探测活动，扩大参与STEM针对服务不足的高中在丹佛metro area.Technical摘要：掌握固态离子传输是至关重要的广泛多样性的应用和技术，包括电池，燃料电池，神经形态计算，超越。通过这项由NSF材料研究部门的固态和材料化学计划支持的职业奖，主要研究者建立了一类独特的固态离子导体和材料设计原则，这些原则扩展了目前围绕极化率和分子动力学在晶体固态离子传输中的作用的范例。实验工作集成了目标材料发现，通过X射线和中子总散射进行的先进结构建模，以及动态和扩散的尖端表征，以了解动态偶极物质如何促进固态离子在时间和长度尺度上的传输。教育工具和推广活动使各级学习者了解材料化学的核心概念。一个视频系列介绍了材料化学概念在不同层次的技术细节，可供学习者在多个层次。STEM推广旨在让来自服务水平低下的学校的高中生参与一个基于探究的材料侦探游戏，学生在游戏中探索和发展对固态材料中成分，原子级结构和可观察性质之间关系的理解。该奖项反映了NSF的法定使命，并被认为值得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来支持。