Upcoming Events

The Physics of Supercapacitors

September 27, 2013 2:00PM to 3:00PM
Presenter 
Brian Skinner (MSD)
Location 
Building 223, Room S105
Type 
Seminar
Series 
Materials Science Seminar
Abstract:
Supercapacitors are electrical energy storage devices that are quickly replacing conventional batteries in high-power applications.  A number of these devices exhibit dramatically large capacitance, but the microscopic mechanisms that underlie their operation remain largely mysterious.  In this talk I discuss microscopic-level theories of charge storage in supercapacitors.  In particular, I show how greatly enhanced capacitance arises from a combination of charge ordering at the electrode surface and strong screening of the Coulomb interaction.