Science and Engineering of Ion Concentration Polarization and Enhanced Electrokinetic Flow

离子浓度极化与增强动电流科学与工程

• 批准号: 0854026
• 负责人: Jongyoon Han
• 金额: $ 24万
• 依托单位: Massachusetts Institute of Technology
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-07-01 至 2012-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0854026&HistoricalAwards=false
• 关键词: Science; Engineering; Ion; Concentration; Polarization

This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5).This NSF award by the Chemical and Biological Separations program supports work by Professor Jongyoon Han at the Massachusetts Institute of Technology to study the ion concentration polarization phenomenon near perm-selective membrane using micro/nanofluidic model system. This phenomenon has much relevance to many chemical membrane systems, such as battery and fuel cell electrolytes, but the scientific understanding has been limited due to the lack of controlled experimental platform. Using micro-nanofluidic systems Professor Han's group will carefully characterize field, flow, and concentration distribution around the ion concentration polarization zone, which could lead to better understanding and optimization of chemical membranes. At the same time, novel applications of ion concentration polarization, such as desalination and biomolecule concentration, will be explored. In doing so, Professor Han's group will engage and involve early undergraduate students, in order to broaden the participation of undergraduate students in real-world engineering research.

该奖项根据 2009 年《美国复苏和再投资法案》（公法 111-5）提供资助。这项由化学和生物分离项目颁发的 NSF 奖项支持麻省理工学院 Jongyoon Han 教授研究离子浓差极化现象的工作使用微/纳米流体模型系统的近选择性渗透膜。这种现象与许多化学膜系统有很大关系，例如电池和燃料电池电解质，但由于缺乏受控实验平台，科学认识受到限制。韩教授的团队将使用微纳流体系统仔细表征离子浓差极化区域周围的场、流动和浓度分布，这可以更好地理解和优化化学膜。同时，将探索离子浓差极化的新应用，例如海水淡化和生物分子浓缩。在此过程中，韩教授的团队将吸引早期本科生，以扩大本科生对现实世界工程研究的参与。