承担项目： 主持国家自然科学基金项目、山西省揭榜挂帅项目、山西省基础研究计划项目和山西省高等学校科技创新项目等多项项目： （1）2021.01-2025.12，膜基结构内部与界面应力的光谱力学精细测量方法；国家自然科学基金专项项目（重点项目）;主持子课题，在研。 （2）2024.01-2026.12,高性能碳纤维复合材料整体化航空零部件设计与制造，山西省科技重大专项计划“揭榜挂帅”项目，主持子课题，在研。 （3）2023.01-2025.12,仿生抗冲击材料内部动态损伤演化的快速三维原位精细表征及其性能优化策略；山西省基础研究计划面上项目，主持，在研。 （4）2017.07月-2019.12,石墨烯基仿生贝壳层状材料在动态冲击载荷下的力学行为研究，主持，结题。 （5）2015.01-2017.12，微波调控石墨烯增强自修复材料多次损伤愈合力学机制的 DSCM 方法研究；国家自然科学基金青年基金项目;主持，结题。 代表性论文： [1] Li Yongcun, Gao Feilong, et al. Synergistic effect of different graphene-CNT heterostructures on mechanical and self-healing properties of thermoplastic polyurethane composites[J]. Materials and Design. 2018, 137: 438-445. [2] Li Yongcun, Xue Zhicheng , et al.Improved mechanical performance of graphene oxide based artificial nacre composites by regulating the micro-laminated structure and interface bonding. Composites Science and Technology. 2019, 179: 63-68. [3] Li Yongcun, Wen Zhen, et al. Strengthening and toughing design of graphene oxide based artificial nacre composites regulated by dimensional hierarchy of ternary structure. Composites Part A: Applied Science and Manufacturing, 2024, 179: 108015. [4] Jia Huaiming, Li Yongcun*, et al. Bioinspifed Nacre-like GO-based bulk with easy scale-up process and outstanding mechanical properties. Composites Part A: Applied Science and Manufacturing, 2020. 132: 105829-1-7. [5] Xingyuan Zhang, Li Yongcun*, et al Bioinspired design of 1ightweight laminated structural materials and the intralayer/interlayer strengthening and toughening mechanisms induced by the helical structure. Composite Structures, 2021, 276: 114575-1-9. [6] Song Chenchen, Li Yongcun*, et al. Study on the strengthening and toughening design of the interlayer interface of GO-based bionic nacre composites and its optimization mechanisms. Composites Science and Technology. 2022, 223: 109423. [7] Liu Song, Li Yongcun*, et al. A 3D printed continuous carbon fiber reinforced composite with function of self-detecting and self-healing of internal damages[J]. Composites Science and Technology. 2023, 243: 110264. [8] Yang Zhengqing, Li Yongcun*, et al. In situ study on damage evolution of additive manufactured short-fibre-reinforced composite: Improved design of nozzle based on mechanic principle. Composite Structures, 2023, 321: 117293. [9] Wang maorui, Li Yongcun*, et al. An strategy to solve the contradiction between strength and toughness of carbon fiber reinforced composites: Discontinuous nacre-like structure design. Mechanics of Advanced Materials and Structures, 2023, DOI: 10.1080/15376494.2023.2215770. [10] Liu Song,Li Yongcun*, et al.Hierarchical structure design of Strombus gigas shell inspired laminated artificial composites and the mechanical performance optimization strategy. Mechanics of Advanced Materials and Structures, 2023, 30(12): 2495-2505. | 
