Seminar "From lithium to zinc-ion batteries: electroactive cathode materials" Guozhong Cao

Date

Wednesday, July 24, 2019 - 14:00

Location

C016 (Level C, Lab1)

Description

Micro/Bio/Nanofluidics (Shen) Unit would like to invite you to the seminar by Prof. Guozhong Cao on July 24th (Wednesday).
 
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Date: Wednesday, July 24, 2019
Time: 14:00-15:00
Venue: C016 (Level C, Lab 1)
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Speaker:

Prof. Guozhong Cao
Department of Materials Science and Engineering, University of Washington

Abstract:

Lithium ion batteries have achieved pervasive applications in many aspects in current technologies and played an indispensable role in our mobile life. Many active research efforts on innovative materials and device architecture are certainly to advance the lithium ion battery further towards higher energy and power density as well as long cycling life. However, the further spread applications of lithium ion batteries are humbled by the limited resources and consequent rising prices of lithium and cobalt metals; search for new battery materials and device design becomes imperative and has attracted increasing attention in the materials and battery communities. In this presentation, I will first review what we have learned from our study on the cathode materials for lithium ion batteries, and then present our most recent efforts to apply those knowledge to cathode materials for aqueous zinc ion batteries. The incorporation pre-insertion of inactive metal cations has demonstrated to have improved the structural instability, much enhanced storage capacity and kinetics, achieved significantly high energy conversion efficiency. Further study revealed the incorporation or pre-insertion of inactive metal cations plays a complex role in determining the crystal structure, thermodynamic and transport properties, stability, and the resulting battery performances. 

Biography:

Dr. Guozhong Cao is Boeing-Steiner professor of Materials Science and Engineering, professor of Chemical Engineering and adjunct professor of Mechanical Engineering at the University of Washington, Seattle, WA. He received his PhD from Eindhoven University of Technology, the Netherlands, MS from Shanghai Institute of Ceramics, Chinese Academy of Sciences and BS from East China University of Science and Technology, China. He has published over 740 technical papers including over 580 SCI papers, and authored and edited 8 books, 4 conference proceedings and contributed 29 book chapters. He is one of the Thomson Reuters Highly Cited Researchers with a total citation of over 36,000 and an h-index of 93.

Host:

Prof. Amy Shen

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