When 10:30 AM - 11:20 AM Jan 17, 2020
Where 1670 Beyster
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Solid state batteries - from interfaces to high energy density

Professor Jihui Yang
MSE DEpartment Chair, University of Washington

Room temperature lithium ion conductors have been intensively revisited in an attempt to develop solid state batteries that can be deployed for high energy applications. In recent years, promising solid lithium ion conductors with competitive ionic conductivity to those of liquid electrolytes have been demonstrated. The integration of highly conductive solid electrolytes into the battery system is, however, still very challenging mainly due to the high impedance existing at different interfaces throughout the battery structure. 

In this talk, I will highlight our recent work on the understanding of interfaces between the solid electrolytes and anode & cathode, providing new insights into enabling future all solid-state batteries.  I will also show that high energy and long cycle life can be achieved in solid state batteries via optimizing the interfacial thermodynamics.

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