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物理学院学术报告
发表于: 2017-06-01 15:39  点击:

报告题目:New 2D electrodes for Li ion battery applications

时间:2017年6月3日 上午9:30~11:00

报告人:Qingyu Yan

单位:School of Materials Science and Engineering, Nanyang Technological University

报告地点:吉大南校物理楼333讲学厅

 

摘要:Li ion/Na batteries has shown great promises in various energy related applications. The performance of these energy storage devices can improved with strategized design and preparation of the electrode materials. We carried out works on growth of 2D structured cathode/anode material, including LiMPO4 (M=Fe, Ni, Co, Mn) and MPO4, and few layered black phosphorus by wet chemical processes. This type of materials is typical thin sheet structure with thickness of 2-5 nm and show promising Li/Na storage properties. We also synthesis of few layered black phosphorus nanosheets through diferent methods and study their Li/Na storage properties. Especially, we try to improve their chemical stability by forming composite structures with the aid of spark plasma sintering (SPS) process. It shows that excellent air stabilityof SPS-processed black phosphorus can be achieved over the 60 days observation in maintaining its high Li storage properties.

 

报告人简介:Qingyu Yan is currently an associate professor in School of Materials Science and Engineering in Nanyang Technology University. He obtained his BS in Materials Science and Engineering, Nanjing University. He finished his PhD from Materials Science and Engineering Department of State University of New York at Stony Brook. After that, He joined the Materials Science and Engineering Department of Rensselaer Polytechnic Institute as a postdoctoral research associate. He joined School of Materials Science and Engineering of Nanyang Technological University as an assistant professor in early 2008 and became an associate Professor in 2013. His research interest focus on the nanostructured materials, e.g. nanowires/nanorods and nanoparticles, and their integration/assembly for (1) electrode materials for energy storage devices, (2) thermoelectric module, (3) magnetic devices and (4) photovoltaic module application. So far, he has published 240 research papers in the world-famous journals, such as Advanced Materials, Advanced Energy Materials, Angewandte Chemie, Energy @ Environmental Science, ACS nano and etc.

 

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