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            学术报告:Kinetic Instabilities in Electrocatalysis: Model Surfaces and Numerical Simulations


            报告人:Prof Hamilton Varela 

            工作单位:University of S?o Paulo, Brazil


            报告时间:2019年6月20日 15:00-16:30       

            报告摘要: Electrochemical systems comprise a very fertile field to study complex behavior. By finely adjusting two parameters, potential and current, it is possible to access different states of the system and study the emergence of dynamic self-organization. By doing so, one can understand the role of different species and gain insight into the most relevant steps of the process. In this article, it reviewed the complex behavior that emerges in the electrooxidation of fuels usually employed in fuel cells, namely, hydrogen, carbon monoxide, and small organic molecules. It is also briefly revised the emergence of voltage oscillations in real fuel cells and the discussion of its impact on the functioning of such devices. Some perspectives for future developments are also provided.

            报告人简介:Hamilton Varela 教授现任职于巴西圣保罗大学化学系和电化学研究中心副主任,在德国马克斯-普朗克研究所诺贝尔化学奖得主Gerhard Ertl指导下获得博士学位,2008年以来在巴西圣保罗大学电化学研究中心先后任助理教授、副教授、教授和副主任。主要研究方向为电催化机理、电催化系统非线性动力学,在Phys. Rev. Lett., Chem. Commun., Nano Energy, J. Phys. Chem. C, J. Electrochem. Soc., Electrochim. Acta等主流学术期刊上发表电化学学术论文115篇,2010年以来与中国矿业大学系统化学与活性物质课题组合作指导两名研究生获得博士学位。




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