承擔項目： 主持國家自然科學基金項目、山西省揭榜挂帥項目、山西省基礎研究計劃項目和山西省高等學校科技創新項目等多項項目： （1）2021.01-2025.12，膜基結構内部與界面應力的光譜力學精細測量方法；國家自然科學基金專項項目（重點項目）;主持子課題，在研。 （2）2024.01-2026.12,高性能碳纖維複合材料整體化航空零部件設計與制造，山西省科技重大專項計劃“揭榜挂帥”項目，主持子課題，在研。 （3）2023.01-2025.12,仿生抗沖擊材料内部動态損傷演化的快速三維原位精細表征及其性能優化策略；山西省基礎研究計劃面上項目，主持，在研。 （4）2017.07月-2019.12,石墨烯基仿生貝殼層狀材料在動态沖擊載荷下的力學行為研究，主持，結題。 （5）2015.01-2017.12，微波調控石墨烯增強自修複材料多次損傷愈合力學機制的 DSCM 方法研究；國家自然科學基金青年基金項目;主持，結題。 代表性論文： [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. | 
