High Energy Density Li-ion Capacitors (Supercapacitors USA 2013)

High energy density Li-ion capacitor pouch cells were assembled with lithiated anode and activated carbon cathode, and conventional electrode and capacitor structures. The anode electrode was made with hard carbon and stabilized lithium metal powder. The capacitor had the energy density of 30 Wh/kg and was able to discharge over 50% of the maximum stored energy at the rate of 120C. The cycle life and other properties of Li-ion capacitors were also studied.

Dr. Jim P. Zheng is Sprint Eminent Scholar Chair and Professor at the Department of Electrical and Computer Engineering of Florida State University. He obtained his Ph.D. degree from the State University of New York at Buffalo in 1990. He has worked at US Army Research Laboratory for about 5 years. He has published more than 200 articles in scholarly journals and conference proceedings. He has won numerous research grants from many governmental agencies such as NSF, DOE, DOD, and NASA totaling more than $14 M.

Department of Electrical and Computer Engineering, Florida State University. Florida State was officially established in 1851 and is located on the oldest continuous site of higher education in the state of Florida.