二维尖晶石型MCo2O4（M=Mn, Fe, Ni, Cu, Zn）纳米晶体的合成及性能研究

本项目拟通过对二维、准二维正尖晶石型MCo2O4（M=Mn, Fe, Ni, Cu, Zn）半导体纳米材料制备工艺的探索，合成新型高效耐用的二维、准二维锂离子电池负极材料和燃料电池阴极氧还原催化剂。借助各种相关电化学测试及密度泛函理论分析二维、准二维正尖晶石型MCo2O4（M=Mn, Fe, Ni, Cu, Zn）半导体纳米材料作为锂离子电池负极材料时的循环特性和倍率性能，以及作为电催化剂时的催化效率和长时间工作稳定性等一系列电化学性能。通过研究上述电化学过程，揭示反应机理，分析实验条件与材料电极性能、电催化性能之间的内在联系。最终优化实验参数，使材料分别达到最优的电极状态或电催化状态，并拓宽人们对二维、准二维正尖晶石型MCo2O4（M=Mn, Fe, Ni, Cu, Zn）半导体纳米材料的认识，提高其在科学技术领域的应用价值。

Novel, highly active and durable two-dimensional and quasi-two-dimensional semiconductor anode materials for lithium ion batteries and ORR catalysts in fuel cells will be synthesized by systematically investigating the related synthesis technology. Through adopting various electrochemical tests and density functional theory to investigate cycle and ratio performance of two-dimensional and quasi-two dimensional MCo2O4（M=Mn, Fe, Ni, Cu, Zn） semiconductor anode materials for lithium ion batteries, andcatalysis efficiency and working stability as electro-catalysts in fuel cells.Reveal the reaction mechanism and analyze relationship between the experimental.condition and electrode, electro-catalysis properties by investigating the electrochemical process mentioned above. Optimize the experimental parameters to obtain the optimal electrode or electro-catalysis conditions, and broaden the understanding on the two-dimensional and quasi-two-dimensional MCo2O4（M=Mn, Fe, Ni, Cu, Zn）semiconductor nanocrystals and further increase the application value of the nanocrystals in science and technology fields.