生物质炭基复合添加剂及其对铅炭电池负极性能的作用机制研究

This project aims at the development of lead-carbon carbon battery with high performance. It will be researched through integrating electrochemical techniques, nano-materials preparation techniques, and modern physical and chemical characterization and testing methods for the preparation of biomass-based carbon composite additives and their mechanism of effect on the of performance of the negative electrode in lead-carbon battery. The research target is the establishment of controllable preparation methods of biomass-based carbon composite additives, elaboration of the correlation between the composition, structure of the active material of lead-carbon electrode and the energy density, power density and the cycling performance of lead-carbon battery. On the basis of the above, it is an optimization of biomass-based carbon composite additives, research of the charge storage mechanism of lead-carbon electrode and provide theoretical foundation and technical instruction for he future development of lead-carbon battery.

本项目以提高铅炭电池性能为目标，采用电化学技术、纳米材料制备技术，结合现代物理和化学的表征和测试方法，围绕生物质炭基复合添加剂的制备及其对铅炭电池负极性能的作用机制，研究生物质炭基复合添加剂及其可控制备方法，探明铅炭电池的比能量、比功率和循环寿命与添加剂材料的粉体结构参数以及铅炭负极活性物质的组成和结构的关系，在此基础上优化生物质炭基复合添加剂，研究铅炭电池负极的复合方法，进一步深入研究铅炭双功能电极的储能机制，为铅炭电池的发展和应用奠定理论基础和提供技术指导。

将现代分析技术、常规的电化学研究方法和测试手段以及数理解析方法相结合，旨在生物质基复合添加剂制备、结构特性以及储能过程的研究方面开展深入系统研究，为材料合成、降低析氢、电极设计、电池构建提供理论基础。主要内容包括：构建生物质炭基复合添加剂及其可控制备方法、炭基复合添加剂与铅炭负极活性物质组成、结构、性能的内在联系、炭基复合添加剂在硫酸电解液中的析氢机制及析氢抑制方法、基于炭基复合添加剂制备铅炭电极的方法、基于炭基复合添加剂的铅炭电极的储能机制。发表17篇高水平论文，申请发明专利13件。