Heteroaromatic redox polymers for lithium/organic batteries (HALO)

用于锂/有机电池的杂芳族氧化还原聚合物（HALO）

• 批准号: 398214985
• 负责人: Professorin Dr. Birgit Esser
• 金额: --
• 依托单位: Institut für Organische Chemie II und Neue Materialien
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2018
• 资助国家: 德国
• 起止时间: 2017-12-31 至 2022-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/398214985?language=en
• 关键词: Heteroaromatic; redox; polymers; lithium; organic

The goals of the proposed research are the design and synthesis of heteroaromatic redox polymers as cathode-active materials for lithium/organic batteries and the mechanistic investigations of charge stabilization and storage. Preliminary investigations have shown that such redox polymers have the potential for high cycling stabilities in combination with fast charge/discharge processes (10,000 cycles at 10C) due to charge-stabilizing π-π interactions between the redox-active groups. Research will be carried out as a collaborative project between the groups of B. Esser, Freiburg (synthesis and (electrochemical) characterization of redox polymers, mechanistic studies of π-π interactions) and M. Winter, Münster (implementation of redox polymer-based composite electrodes in lithium/organic battery cells, preparation and development of battery-cell-scale organic electrodes, improvement of electrode design, and mechanistic studies of electrochemical charge/discharge processes). An important part of the project will be the mechanistic investigations of the electrochemical charge/discharge processes in the redox polymer-based electrodes, the results of which will be used to improve the redox polymers through adapted molecular design and synthesis. Lastly, all-organic battery cells will be designed and investigated using redox polymers for the anode and cathode.

本研究的目标是设计和合成杂芳族氧化还原聚合物作为锂/有机电池的阴极活性材料，并研究其电荷稳定和储存的机理。初步研究表明，由于氧化还原活性基团之间的电荷稳定π-π相互作用，这种氧化还原聚合物具有与快速充电/放电过程（在10 C下10，000次循环）组合的高循环稳定性的潜力。研究将作为B组之间的合作项目进行。Esser，弗赖堡（氧化还原聚合物的合成和（电化学）表征，π-π相互作用的机理研究）和M. Winter，Münster（在锂/有机电池中实现氧化还原聚合物基复合电极，制备和开发电池级有机电极，改进电极设计，以及电化学充电/放电过程的机理研究）。该项目的一个重要组成部分将是在氧化还原聚合物基电极的电化学充电/放电过程的机理研究，其结果将用于通过调整分子设计和合成来改善氧化还原聚合物。最后，将使用氧化还原聚合物作为阳极和阴极来设计和研究全有机电池。