Design of All Solid State Rechargeable Lithium Batteries Using Self Assembled Polymeric Electrolyte

利用市售的所有固态可充电锂电池试剂，提出了一种在常温常压下具有高离子电导率的新型固体电解质。结果总结如下：1。提出了一种新型锂离子电池用全固态聚合物电解质的基本概念和设计方案，并详细讨论了构成该电解质的材料的要求。高分子电解质基本性能的优化与评价设计了具有优异机械强度和高离子电导率的高分子电解质材料，并对其制备工艺进行了研究。研究了聚合物电解质的离子电导率及其温度依赖性，并与本课题组先前提出的聚合物电解质或聚合物凝胶电解质进行了比较，证明了所提出的聚合物电解质具有高机械强度和高离子电导率的良好相容性。聚合物电解质中锂离子的反应过程分析研究了聚合物电解质中锂离子的电极反应。在优化电极/电解质界面的过程中，证实了使用现有聚合物电解质可以在电池中沉积/溶解锂。

A novel solid electrolyte possessing high ionic conductivity at ambient temperature and ordinary pressure has been proposed by using commercially available reagents for all solid-state rechargeable lithium batteries. The results are summarized as follows.1. A basic concept and design of the device using a novel polymer electrolyteA novel all solid polymer electrolyte for lithium ion battery has been proposed, and the requirements for the materials constituting the electrolyte have been discussed in detail.2. Optimization and evaluation of basic properties of polymer electrolyteThe polymer electrolyte materials having both superior mechanical strength and high ionic conductivity have been designed and their preparation procedure was investigated. The ionic conductivity and its temperature dependence of the polymer electrolyte have been examined to demonstrate that the proposed polymer electrolyte has good compatibility of high mechanical strength and high ionic conductivity by comparing the polymer electrolyte or polymeric gel electrolyte previously proposed by our group.3. Analysis of reaction process of lithium ion in the polymer electrolyteThe electrode reaction of lithium ion in the obtained polymer electrolyte has been investigated.. It was confirmed that deposition/dissolution of lithium was possible for the cell using present polymer electrolyte, in optimizing the electrode/electrolyte interface.