MSE Seminar: Defect-driven Electrode Materials for Energy Storage Systems

Date/Time

03/27/2018
3:45 pm-5:00 pm
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Location

Rhines 125
549 Gale Lemerand Drive
Gainesville, FL 32611-6400

Details

Join the Department of Materials Science and Engineering for light refreshments and a discussion lead by Dr. Claire Xiong from the Micron School of Materials Science and Engineering at Boise State University.

Rechargeable batteries are promising energy storage technologies to provide high energy and high power for applications such as electric vehicles and electrical grids. Recent studies have observed that electrode materials (e.g., TiO2) containing intentional structural defects exhibit enhanced electrochemical charge storage capacity. In the first part of this talk I will introduce our work on the irradiation effect on structure and electrochemical response of TiO2 nanostructured electrodes through room-temperature and 250 ˚C proton irradiations as irradiation is known to produce an excess of defects in a material. The defect generation upon irradiation and changes in electrochemical response in nanostructured TiO2 samples in lithium-ion batteries will be discussed. In addition, we investigated heavy ion irradiation on TiO2 single crystals to elucidate the effects of irradiating species and crystallographic orientation on defect production and microstructure evolution. In the second half of this talk I will discuss our work on defect-driven nanostructured niobium oxide electrodes for their use as anode for lithium-ion batteries.

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