报告题目：Supercapacitors based on three-dimensional carbon structures with hierarchical pores.

报 告 人：Yat Li教授，University of California Santa Cruz

主 持 人： 周军 教授

报告时间：2016年6月17日上午9:00-10:00 AM

地 点：武汉光电国家实验室（筹）A302

报告人摘要：

Increasing demand for portable electronic devices calls for the need of light-weight power source. Electrical double layer capacitors (EDLCs) are promising candidates due to their high power density and outstanding charge/discharge cycling stability. Three-dimensional (3D) self-supporting carbon-based materials have been extensively studied for light-weight EDLCs. Yet, a major challenge for 3D carbon electrodes is the limited ion diffusion rate in their internal space. To address this limitation, preparation of hierarchical porous 3D structures that provide additional channels for internal ion diffusion is favorable.This talk will present highlights of our latest results of studies directed at developing 3D carbon materials with hierarchical porous structures as electrode materials, which demonstrate significantly enhanced gravimetric capacitance and rate capability.

报告人简介：

Prof. Yat Li received his BS and PhD in chemistry from The University of Hong Kong. He was a postdoctoral research fellow at Harvard University, from 2003 to 2007, under the supervision of Prof. Charles M. Lieber. He joined UC Santa Cruz in 2007 and he is now an Associate Professor of chemistry at UC Santa Cruz. His research focuses on the design and synthesis of semiconductor nanostructures, investigation of their fundamental properties and exploration of their potential for energy conversion and storage. He has authored or co-authored more than 100 publications in Nat Nanotech, Nat Photo, Nano Lett.Adv. Mater., Adv. Funct. Mater., Adv. Energy Mater. Angew. Chem. Int. Ed,(H-index=45, from Google scholar)etc,3 book chapters and 2 books.He has received several prestigious awards such as NSF CAREER Award (2014) and Visiting Scientist Fellowship, National Center for Electron Microscopy, Lawrence Berkeley National Laboratory (2010).