研究领域
1. 碳纤维复合材料界面优化
研究碳纤维的表面物理和化学组成、界面浸润性、界面相的微结构和粘接强度以及复合材料宏观性能及其关联性，建立某种体系的界面相理论模型，实现界面的优化和控制。
2. 碳纤维复合材料环境失效
分析碳纤维复合材料的结构特征和服役环境，建立模拟加速老化方法，研究复合材料失效行为和机理，预测复合材料的使用寿命。
3. 碳纳米纤维复合薄膜电极材料
基于静电纺丝技术和热处理工艺开展碳纳米纤维负载氧化物复合薄膜、多孔碳纳米纤维等材料的研究，用于锂离子二次电池负极材料、双垫层电容器电极材料等领域。
近期论文
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1. Xiujuan Yang, Donghua Teng, Bingxue Liu, Yunhua Yu*, Xiaoping Yang, Nanosized anatase titanium dioxide loaded porous carbon nanofiber webs as anode materials for lithium-ion batteries, Electrochemistry Communications, 2011,13(9):1098-1101.
2. Bingxue Liu, Yunhua Yu, Jie Chang, Xiujuan Yang, Dezhen Wu and Xiaoping Yang*，An Enhanced Stable-structure Core-shell Coaxial Carbon Nanofiber Web as a Direct Anode Material for Lithium-Based Batteries, Electrochemistry Communications, 2011, 13(6) : 558-561
3. Yanan Li, Yunhua Yu, Xiaolong Jia, Shun Duan, Xiaoping Yang, Ion-leaching Behaviors and Corrosion Morphology of Glass Fiber Reinforced Vinyl Ester Composites in Sulfuric Acid, Polymer composites, 2011, 32(12): 1953-1969
4. Yunhua Yu, Qing Yang, Donghua Teng, Xiaoping Yang and Seungkon Ryu, Reticular Sn nanoparticle-dispersed PAN-based carbon nanofibers as anode material in rechargeable Lithium-ion batteries, Electrochemistry Communications, 2010,12(9):1187-1190.
5. Xiaolong Jia, Yunhua Yu, Gang Li, Gang Sui, Peng Li, Xiaoping Yang, Effect of Curing Systems and Polysulfonamide Pulp on the Curing Characteristics, Mechanical Properties, and Swelling Behavior of Ethylene-propylene-Diene elastomer Composites, Journal of Applied Polymer Science, 2010, 118(2):1060-1067.
6. Donghua Teng, Yunhua YU, Haiyang Liu, Xiaoping Yang, Yuanhua Lin, and Seungkon. Facile fabrication of heterostructured TiO2-xNx/CNFs as an efficient visible-light responsive photocatalyst. Catalysis Communications, 2009, 10（5）: 442-446.
7. Liying Zhu, Xiaoping Yang, Donghua Teng, Yunhua Yu*. Effect of samarium on the photocatalytic property of Sm-TiO2/CNFs composites, Advanced Materials Research, 2009Vols. 79-82, 541-544.
8. Yunhua YU, Peng Li, Gang Sui, Xiaoping Yang, Hongliang Liu. Effects of Hygrothermal Aging on the Thermal-mechanical properties of Vinylester Resin and its Pultruded Carbon Fiber Composites. Polymer composites, 2009, 30(10) : 1458-1464
9. Weiming Chen, Yunhua YU, Peng li, Chengzhong Wang, Tongyue Zhou, Xiaoping Yang， Effect of new epoxy matrix for T800 carbon fiber/epoxy filament wound composites. Composites Science and Technology, 2007, 67（11-12）: 2261-2270.
10. Yu Yunhua, Yang Xiaoping，Wang Lili, Liu Hongliang. Hygrothermal Aging on Pultruded Carbon Fiber/Vinyl Ester Resin Composites for Sucker Rod Application. Journal of Reinforced Plastics & Composites, 2006, 25(2): 149-160
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