一、基本情况

姓 名: 徐永豪

性 别：男

最终学历（学位）：博士研究生

职 称：副教授

二、科研情况

研究方向:   储能电容器材料与器件

科研成果:

1.项目：

(1) 国家自然科学基金委员会，青年项目，AgNbO₃基无铅反铁电陶瓷的组分调控与电学性能研究, 2018.01-2021.12，25万元，已结题，主持；

(2) 河南省科技攻关项目，高储能密度AgNbO₃基陶瓷的制备工艺及关键技术研究，2021.01-2022.12，10万元，在研，主持；

(3) 河南理工大学杰出青年科学基金项目，铌酸银基储能电容器的储能增强机制及抗疲劳特性研究，2022.01-2024.12，10万元，在研，主持；

2.论文：

1. Yonghao Xu, Zhendong Yang, Kun Xu, Yuecong Cao, Ye Tian, Lanlan Guo, Jingjing Tian, Heng Tian, Xiaolian Liu, Long Lin, Guodong Wang. Modulated band structure and phase transitions in calcium hafnate titanate modified silver niobate ceramics for energy storage, Chemical Engineering Journal 2021, 426, 131047.

2. Yonghao Xu, Yan Guo, Qian Liu, Yuehong Yin, Jiale Bai, Long Lin, Jingjing Tian, Ye Tian. Enhanced energy density in Mn-doped (1-x)AgNbO₃-xCaTiO₃ lead-free antiferroelectric ceramics, Journal of alloys and compounds, 2020, 821,153260.

3. Yonghao Xu, Yan Guo, Qian Liu, Guodong Wang, Jiale Bai, Jingjing Tian, Long Lin, Ye Tian. High energy storage properties of lead-free Mn-doped (1-x)AgNbO₃-xBi_0.5Na_0.5TiO₃ antiferroelectric ceramics, Journal of the European Ceramic Society, 2020, 40 (1), 56-62.

4. Yonghao Xu,^* Yan Guo, Qian Liu, Jiale Bai, Jingtao Huang, Long Lin, Shiqi Lu. Antiferroelectricity in new silver niobate lead-free antiferroelectric ceramics (1-x)AgNbO₃-xCaZrO₃ (x = 0.00-0.01), Journal of alloys and compounds, 2019, 782, 469-476.

5. Yonghao Xu^*, Guodong Wang, Ye Tian, Yangxi Yan, Xiaolian Liu, Yujun Feng^*. Crystal structure and electrical properties of AgNbO₃-based lead-free ceramics, Ceramics International, 2016, 42 (16), 18791-7.

6. Yonghao Xu^*, Xiaoming Liu, Guodong Wang, Xiaolian Liu, Yujun Feng^*. Antiferroelectricity in tantalum doped (Bi_0.5Na_0.5)_0.94Ba_0.06TiO₃ lead-free ceramics, Ceramics International, 2016, 42 (3), 4313-22.

7. Yonghao Xu^*, S. Eli Yong, Yujun Feng^*. Influence of perpendicular compressive stress on the phase transition behavior in (Pb,La,Ba,)(Zr,Sn,Ti)O₃ antiferroelectric ceramics, Ceramics International, 2016, 42 (1), 721-6.

8. Yonghao Xu^*, Yangxi Yan, Yujun Feng^*. Evolution of structure and antiferroelectricity with barium content in Pb_0.99-xBa_xNb_0.02[(Zr_0.57Sn_0.43)_0.96Ti_0.04]_0.98O₃ ceramics, Ceramics International, 2015, 41 (9), 11510-16.

9. Yonghao Xu, Wei Hong, Yujun Feng, Xiaoli Tan^*. Antiferroelectricity induced by electric field in NaNbO₃-based lead-free ceramics, Applied Physics Letters, 2014, 104 (5), 052903.

10. Yonghao Xu, Hanzheng Guo, Xiaoming Liu, Yujun Feng, Xiaoli Tan^*. Effect of Ba content on the stress sensitivity of the antiferroelectric to ferroelectric phase transition in (Pb,La,Ba,)(Zr,Sn,Ti)O₃ ceramics, Journal of the American Ceramic Society, 2014, 97 (1), 206-12.

11. Yonghao Xu^*, Yujun Fen, Na Zhang, Yangxi Yan, Liming Liao. Phenomenological theory of electric-field-induced phase transition behavior of antiferroelectric ceramic (Pb,Ba,La)(Zr,Sn,Ti)O₃ under uniaxial compressive pre-stress, Journal of Applied Physics, 2012, 112 (3), 034112.

12. Yonghao Xu^*, Yujun Feng, Na Zhang. Effect of uniaxial compressive prestress on the electromechanical behavior of lanthanum modified lead zirconate titanate stannate ceramic, Journal of the American Ceramic Society, 2011, 94 (11), 3863-66.

三、联系方式

办公地点：物电学院132

电子邮箱: yonghaoxu@hpu.edu.cn

联系电话: 18339196903