黄建宇教授学术报告会

发布日期:2016-06-21 作者:null    编辑:    来源:6163银河net163am

应磁学与磁性材料教育部重点实验室暨物理科学与技术学院邀请,燕山大学亚稳态制备技术与科学国家重点实验室黄建宇教授将于2016年6月27日至29日来我校进行学术合作交流并做学术报告,欢迎参加!

报告人:黄建宇教授

报告题目:Application of in-situ electron microscopy in nanoscience and energy research

报告时间:2016年6月28日(星期二)上午10:30

报告地点:格致楼5004室

报告摘要:

In the first part of my talk, I will review our progress in using transmission electron micrsocopy – scanning probe microscopy (TEM-SPM) platform to probe the electrical and mechanical properties of individual carbon nanotubes and nanowires. Individual multiwall carbon nanotubes are peeled off layer-by-layer by electric breakdown inside the TEM. This provided new insights into the transport property of nanotubes. Plastic deformation, such as superplasticity, kink motion, dislocation climb, and vacancy migration, was discovered in nanotubes. In the second part of my talk, I’ll review our progress in in-situ studies of lithium ion batteries (LIBs). We created the first nano-battery inside a TEM, allowing for real time atomic scale observations of battery charging and discharging processes. Two types of nano battery cells, one ionic liquid based, and the other all solid based, were created. The former consists of a single nanowire anode, an ionic liquid (IL) electrolyte and a bulk LiCoO2 cathode; the latter uses Li2O as a solid electrolyte and metal Li as anode. The electrochemical process induced volume changes, phase transformations, and mechanical stress were revealed in real time and at an atomic scale. The results provide understanding of the fundamental science of LIBs, guiding the development of advanced LIBs for plug-in electric vehicle applications.

黄建宇教授简历

燕山大学教授,博士师生导师。1996年博士毕业于中科院金属研究所;1996年至1999年间,于日本国家无机材料研究所、日本大阪大学先后任职;1999年至2001年间,于美国洛斯阿拉莫斯国家实验室做博士后;2002年至2012年间,于美国波斯顿学院、美国桑迪亚国家实验室纳米科技综合中心先后做研究员,2012年至今,于燕山大学亚稳态制备技术与科学国家重点实验室做教授。一直以来以电子显微镜为主要研究手段,从事纳米科学与能源科学研究工作20多年,主要研究方向有:纳米力学;纳米电池;热/热电材料;发光材料等。研究成果在《Nature》、《Science》、《Physical Review Letters》、《Nature Nanotechnology》、《Nature Communications》、《Nature Methods》、《PNAS》、《Nano Letters》等国际顶刊杂志上发表,共发表论文204篇,h因子为67,总引用次数超过15000次,在各种专业学术会议上发表特邀报告80多次。其在纳米力学行为和纳米电源方面的研究成果得到世界同行专家的一致认同,受到《纽约时报》等大众媒体的关注。