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学术报告会通知(胡宁教授)
(来源:航空宇航学院 作者:张金凤 编辑: 点击:213 发表时间:2018-10-29)
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题目:Fabrication of high-performance piezoelectric PVDF nanocomposite and evaluation of its sensing and energy harvesting properties

报告人:胡宁教授重庆大学航空航天学院院长

时间:2018年11月2日下午16:30

地点:明故宫校区A18-526

主办单位:机械机构力学及控制国家重点实验室、科协、航空宇航学院

报告内容简介

With the rapid development of electronics industry, the power consumption of portable devices decreases significantly, thus self-power devices become feasible. Moreover, in some special situations, replacement of batteries is not convenient or costly. As a result, the energy harvesting devices have attracted much attention in recent decades. In addition, in traditional precision device industry, high-performance strain sensors are a crucially important component. Therefore, materials with both sensing and energy harvesting functions are very attractive. Piezoelectric PVDF (Poly(vinylidene fluoride)) is a promising candidate due to its various merits, such as non-toxicity, high flexibility, recyclability, and high resistance ability to halogen, acid and fatigue, etc. In this study, we prepared PVDF nanocompositesusing three kindsofnanofillers by solution casting method, i.e., carbon nanotubes, graphene and carbon black. We obtainedtheimprovedpiezoelectricity of the PVDF nanocomposites which may have potential applications in the field of sensors and energy harvesting devices. The improvement mechanisms of piezoelectricity were explored in detail.

报告人简介:

胡宁,男,53岁,重庆大学航空航天学院院长,教授,博士生导师,杰青(B类)。1981-1991年在重庆大学完成本科-博士教育,他先后在日本东北大学、清华大学、Johns Hopkins、日本千叶大学等历任助理教授-教授,2013年回国时任日本千叶大学教授、机械系主任、人工系统科学专攻长。科研方面,他长期从事计算固体力学、功能•结构纳米复合材料、结构和材料无损检测和实时监控技术等研究,指导博士生近20名、硕士生50余名,取得了不少创新性成果。他出版英文书籍3部;申请和获批中日专利约20项;发表期刊论文300余篇,其中SCI论文240篇,论文被引用数6000次,H-Index为38(SCOPUS数据库) ,连续4年入选中国学者高被引榜单(2014-2017)

 

 


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