讲座
速递
9月3日 星期二
应用于5G及未来移动终端的紧凑型MIMO天线
讲座地点：上海大学校本部东区翔英楼T516
讲座时间：9月3日 星期二 10:00
演 讲 人：StevenGao
（IEEFellow, IET Fellow）
Recent progress of cryogenic atom probe tomography for hydrogen analyses in metals
讲座地点：校本部东区材料楼526会议室
讲座时间：9月3日 星期二 15:00
演 讲 人：Eason Chen （陈翊昇）
演讲人简介
After finishing his master study in ceramic engineering in Taiwan Tsing HuaUniversity, Eason worked in consulting business for 3 years before going back to his 1.5-year research assistant role prior to overseas study. He finished his doctoral research in microscopy at University of Oxford in and now is a University of Sydney Research Fellow associating with the Australian Centre for Microscopy and Microanalysis (ACMM) and the School of Aerospace, Mechanical and Mechatronic Engineering (AMME), with the mentorship of Prof. Julie Cairney in the same institutes.
演讲内容简介
This presentation will introduce the development and our uses of cryogenic-sample-transfer atom probe tomography (cryo-APT) for analyzing the hydrogen in materials, particularly steels suffering from catastrophic hydrogen embrittlement. The determination of the hydrogen localizations and the related technical details will also be discussed. This cryo-APT can be useful for investigating elemental diffusion with the correlation with micro-structural features.
9月5日 星期四
“0”与“∞”
讲座地点：上海大学校本部东区翔英楼T516
讲座时间：9月5日 星期四 10:00
演 讲 人：李越博士（清华大学博导）
邀 请 人：周永金副教授
演讲人简介
李越，清华大学电子工程系副教授、博士生导师，主要从事电磁材料、天线与电路的相关研究。已发表SCI检索论文120余篇，发表刊物包括Science、Science Advances、Nature Communication, IEEE Transactions on Antennas and Propagation等，授权国家发明专利18 项；获得学术奖励包括：国际无线电科学联盟“古贺逸策”金质奖章，中国通信学会科学技术奖自然科学类二等奖(第一完成人)，北京市优秀博士论文等。李越博士是英国工程技术学会(IET)会士、电气与电子工程师协会(IEEE)高级会员，现担任IEEE TAP、IEEE AWPL、Scientific Report、 MOTL等四个国际期刊的副主编。
演讲内容简介
“0” 是一个有趣的数字，“0” 是与“”相反的另一种极限;在电磁学领域，我们是否可以从“0”出发，获得趋于“∞”的性能，孵化出新的技术与理论。本报告从一类特殊的ENZ (epsilon-near-zero) 媒质入手，研究该类电磁媒质特殊的基础特性。基于ENZ媒质，讨论多种技术方法，可应用于电磁学中的不同领域，实现某种极限的性能。
9月6日 星期五
应用于5G基站的小型化宽频双极化天线
讲座地点：上海大学校本部东区翔英楼T516
讲座时间：9月6日 星期五 13:30
演 讲 人：StevenGao
（IEEFellow, IET Fellow）
MGI Seminar第226讲Theoretical and Modeling Design on both Cathode and Anode Material System of Lithium-sulfur Battery
讲座地点：校本部东区材料楼B楼526会议室
讲座时间：9月6日 星期五 9:00
演 讲 人：张千帆博士(北京航空航天大学)
主 持 人：施思齐教授
演讲人简介
Dr. Zhang is now working in School of Materials Science and Engineering, Beihang University. His researches focus on the theoretical modeling and first-principles computation on various functional materials, including: 1) electrode materials in lithium battery, 2) two-dimensional layered-structure materials, 3) topological insulators and spintronics device. He has published more than 50 papers in academic journals, including Nature Commun., Phys. Rev Lett, Proc. Natl. Acad. Sci. USA,Nano Lett, Adv. Energy Mater. and ACS Nano.
演讲内容简介
Rechargeable lithium batteries are widely used in many applications owing to their high energy density, long lifetime and lightweight design. However, the current electrodes in consumer electronics market possess a limited theoretical specific capacity (~300 mAh/g), which cannot fulfill the increasing energy demands of modern society. Sulfur has the theoretical specific capacities of 1673 mAh/g, and meanwhile, with low cost and toxicity, which makes the lithium-sulfur battery attractive for commercial applications. Despite the considerable advantage, the successful implementation of lithium-sulfur batteries has been hindered by a series of obstacles, including poor cycle life, low Coulombic efficiency and low active material utilization. The theoretical study on the interactions inside both cathode and anode material system should be carried out, which is very important to understand the fundamental mechanism and provide the pathway for the further optimization of lithium-sulfur battery"s performance. Using ab-initio computation scheme, the nano-material systems in both cathode and anode have been systematically investigated. The studies focus on the interaction between lithium-sulfur species and anchoring materials in cathode, while on the interaction between protective film and metal in anode, in order for their theoretical designs, and meanwhile, reveal the mechanism in the atomic level by analyzing the electronic structure.
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上海大学研究生新媒体中心
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