学术报告:Material design to enhance pseudocapacitance effect in battery electrodes

发布者:金霞发布时间:2017-11-21浏览次数:173

报 告 人:范红金教授(新加坡南洋理工大学)
报告题目:Material design to enhance pseudocapacitance effect in battery electrodes 
报告时间:1000 AM, November 27th
报告地点:新能源大楼215

联 系 人:晏成林教授


报告简介:

The performance of electrochemical energy storage devices relies largely on a scrupulous design of nanoarchitectures and smart hybridization of active materials. Nanoarray electrodes are particularly investigated for power source in microelectronics, which requires high rates, high areal capacity/capacitance and long cycle stability. When the metal-ion battery electrode materials are designed into nanostructures (e.g., 1D array, 2D nanosheets), the pseudocapacitive effect may become dominating and can boost the high-rate performance. Our group has been actively working on nanoarray materials directly on conductive substrates as electrodes for Li-ion and Na-ion storage. In this talk, I will articulate our material design strategies and how the extrinsic pseudocapacitance effect contributes to the high-rate performance. This effect applies to intercalation, conversion, as well as alloy type electrodes. These materials include VO2, SnS, and MoSeS. Full hybrid batteries (or called Li-ion or Na-ion capacitors) will also be presented based on such subtle designed electrodes.

Brief Biography

范红金的研究领域主要是能源纳米材料,包括储能电池材料和太阳能材料,也涉及一点半导体二位材料。目前,他以通讯作者或合作者发表近160多篇论文,包括1Science1Nature Mateirals3Nature Communication7Nano Letters 4Advanced Materials4Energy & Environmental Sciences。文章被引用9500多次,H因子为50。担任《Nanotechnology》,《Advanced Science》《Advanced Materials Interface》《Advanced Materials Technologies》的编委成员,《Materials Research Bulletin》副编辑。此外,他参与组织过5次美国MRS分会的组织,连续四次组织新加坡ICMAT 分会组织。曾担任2012年《Nanoscale》纳米线专刊的客座和2015年《Nanotechnology》原子层沉积(ALD)专刊客座编辑。