香港理工大学黄勃龙教授学术报告

【来源:有色金属重点实验室 | 发布日期: | 阅读次数: 】     【选择字号:
        应化学化工学院、甘肃省有色金属化学与资源利用重点实验室邀请,香港理工大学黄勃龙教授来我校进行交流并做学术报告,欢迎感兴趣的师生参加。
 
        报 告 人:黄龙 (Bolong Huang) 教授
        报告题目:Probing oxide-ion conduction in low-temperature SOFCs
        报告时间:2019年1月11日(星期五)下午15: 00
        报告地点:第二化学楼101学术报告厅
 
报告人简介
  Dr. Bolong Huang received PhD in 2012 from University of Cambridge, and obtained BSc in from Department of Physics, Peking University 2007. Following a systematic training period as research assistant in Chemistry Department in Peking University, and in Hong Kong, he started-up independent researches as PI in the Hong Kong Polytechnic University 2015. His main research fields are rare earth functional nanomaterials, defect theory of solid functional nanomaterials, renewable energy materials, DFT calculation development based on ab-initio electronic self-energy corrections, as an implement in the time-dependent DFT theory.  
报告摘要
   Herein we report an in-situ and non-contact method to monitor the working condition of solid oxide fuel cells (SOFCs). With the combination of density functional theory calculation and upconversion (UC) luminescence, we give distinct and complementary perspective on the entangled interaction between thermal-driven formed O-ion Frenkel pair (native solubilizer) and Bi3+ dopant (competitive inhibitor) in La2Mo2O9 derivatives, especially at a lower temperature required by a SOFCs device. As we know, innovating higher electrical performance at lower temperature mainly depends on the screening of the candidate electrolytes. The thermally driven formation of a-Fr pairs has been believed to be the initiation of ion conduction, which has rarely been investigated. Generally, only with certain amount of a-Fr pairs formed in lattice, ion conduction could be probed by equipment. However, this in-situ non-contact luminescence method supply a new reliable way of monitoring the complete process of a-Fr pairs formation and ion conduction with corporation of DFT calculations. This is important for thoroughly understanding the ion conduction mechanism and will further benefit controlling properties of materials to realize high conductivity in low temperature.