SFB 458: Ionic-Motion in Materials with Disordered Structures - From Elementary Steps to Macroscopic Transport -

SFB 458：无序结构材料中的离子运动 - 从基本步骤到宏观传输 -

• 批准号: 5484095
• 金额: --
• 依托单位: Universität Münster
• 依托单位国家: 德国
• 项目类别: Collaborative Research Centres
• 财政年份: 2000
• 资助国家: 德国
• 起止时间: 1999-12-31 至 2008-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/5484095?language=en
• 关键词: SFB; 458; Ionic; Motion; Materials

In collaborative research centre 458, we address the central questions of a discipline now known as SOLID STATE IONICS. These concern the disordered structures and the detailed ionic transport mechanisms in ion-conducting materials. The latter become increasingly important for high-technology applications such as advanced battery systems, fuel cells and chemical sensors. The dynamics of mobile ions in materials with disordered structures are investigated on a wide range of time and length scales extending from the tracing of elementary steps to the measurement of macroscopic transport. Materials studied include crystals (with structural disorder in at least one sublattice), glasses, and polymers. Work on these materials comprises the synthesis and characterisation of new disordered ion-conducting substances, the experimental study of ionic motion and mass transport by complementary techniques (tracer diffusion, NMR, conductivity spectroscopy and others) and the attempt to understand the complex ion dynamics by the help of numerical simulations and physical models. This comprehensive programme will provide a basis for designing materials with optimised ion-transport properties.

在合作研究中心458，我们解决了现在被称为固态离子学的学科的核心问题。这些研究涉及离子导电材料的无序结构和详细的离子输运机制。后者对于先进电池系统、燃料电池和化学传感器等高技术应用变得越来越重要。本文研究了无序结构材料中移动的离子的动力学，研究范围从基本步骤的跟踪到宏观输运的测量。研究的材料包括晶体（至少有一个亚晶格结构紊乱）、玻璃和聚合物。这些材料的工作包括新的无序离子传导物质的合成和表征，通过补充技术（示踪剂扩散，NMR，电导率光谱等）对离子运动和质量传输进行实验研究，并试图通过数值模拟和物理模型来了解复杂的离子动力学。这一全面的计划将为设计具有优化离子传输特性的材料提供基础。