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Superoxide Batteries: Oxygen Redox without Catalysts

WU Yiying
　　Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, USA
　　Oxygen is a crucial component in emerging technologies in energy conversion and storage. For example, Li–O2 battery is regarded as one of the most promising energy storage systems for future applications. However, its energy efficiency is greatly undermined by the large overpotentia...

Jun 14, 2016
Phase Change Nanoparticles for Biosensing, Barcoding, and Enhanced Cooling

Speaker：Prof. SU Ming,Northwestern University
　　Sponsor: Prof.SUO Guangli
　　Time：10：00a.m.Tuesday,May 24,2016
　　Place：A718,SINANO
　　Abstract： Nanomaterials have been widely studied for their electronic, magnetic, mechanical, and chemical properties. We have studied the unique thermal properties of a new type of nanomaterials, nanoscale phase change materials (i.e., nano-PCMs). This...

May 23, 2016
Noise-Induced Transitions in Bistable Systems

Speaker：Prof. Stephen Teitsworth,Duke University
　　Sponsor: Prof.ZHANG Yaohui
　　Time：2:00 p.m.May 17,2016
　　Place：A718,SINANO
　　Abstract：Bistable systems occur throughout the natural sciences and when such systems are subjected to random noise, one observes probabilistic transitions between co-existing metastable states. Such behavior is found in chemical reaction kinetics, driven n...

May 11, 2016
Vacancy-type defects in GaN probed by positron annihilation spectroscopy

Speaker：Prof. Akira Uedono,University of Tsukuba
　　Sponsor：Prof.XU Ke
　　Time：10：00a.m.Wednesday, May 11
　　Place：A718 SINANO
　　Abstract
　　Positron annihilation is a non-destructive tool for investigating vacancy-type defects in materials. Detectable defects are monovacancies to vacancy clusters, and there is no restriction of sample temperature or conductivity. When a positron is ...

May 09, 2016

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