[CCoE Notice] Material Research Seminar today changed to online only mode

[Hutchinson, Inez A]

Dear All:



Due to a family urgency, today (09.27.2024)'s Material Reserch Seminar change to online only mode. The time is still 1:00 to 2:00 PM. Please use zoom link: https://urldefense.com/v3/__https://uh-edu-cougarnet.zoom.us/j/8743990491?omn=86983701331__;!!LkSTlj0I!GVXA26jErvUO_ZSKzQ1TA_mSVbgYhznjFaiXXMPpbiBDtYwfX6jp-qm0IF75pkfpGnKfPZCxoaP7y8F_1NjtMC-bjTE$ ” Please see below for more detailed information about the seminar.





NOTE: THIS SEMINAR FOLLOWS THE TCSUH BI-WEEKLY (PI) SEMINAR GIVEN BY DR. LARS GRABOW IN HSC 102 FROM 12:00 – 1:00 P.M.







Materials Research Seminar

Texas Center for Superconductivity at the University of Houston, Center for Integrated Bio and Nano Systems



Probing Mechanical Fingerprints to Understand Instability Mechanisms in Battery Materials



September 27, 2024

Online Only: 1:00 – 2:00 pm

https://urldefense.com/v3/__https://uh-edu-cougarnet.zoom.us/j/8743990491?omn=86983701331__;!!LkSTlj0I!GVXA26jErvUO_ZSKzQ1TA_mSVbgYhznjFaiXXMPpbiBDtYwfX6jp-qm0IF75pkfpGnKfPZCxoaP7y8F_1NjtMC-bjTE$ 

Houston Science Center (HSC), Rm 102





Prof. Özgür Çapraz

University of Maryland, Baltimore County, Baltimore, MD, USA



Abstract:



The ever-growing energy demand associated with the increasing human population, environmental concerns, and technological developments put pressure on modern society to harvest electricity from renewable sources. However, renewable energy sources are only intermittent, and their energy output varies with time and space. Although Li-ion batteries dominate the present energy-storage landscape, they cannot alone satisfy ever-growing energy demand. Diversification in battery chemistry is a must to address the need for energy storage devices based on cost, performance, and availability. However, these novel battery chemistries undergo severe interfacial and structural instabilities during battery cycling, which limits to achieve their theoretical electrochemical performances in practice. In this presentation, I will first describe operando curvature and digital image correlation measurement techniques to probe instability mechanisms in battery electrodes. Tracking operando chemo-mechanical responses reveals underlying mechanisms governing the kinetic and transport limitations as well as bulk property changes in the electrode materials. Second, I will discuss the governing forces behind the interfacial and structural instabilities in Na-ion batteries Third, I will discuss the charge storage mechanisms in aqueous Zn-ion cathode materials.



Bio:



Dr. Çapraz is an associate professor in Chemical, Biochemical, and Environmental Engineering at the University of Maryland Baltimore County. He completed his B.S., Ph.D. and post-doctoral studies at Middle East Technical University, Iowa State University and the University of Illinois, respectively. His research focuses on electrochemical energy storage and conversion devices, in situ chemo-mechanical characterization techniques, and advanced materials. His research group is investigating instability mechanisms beyond Li-ion batteries. His research group has been supported by various agencies, including the National Science Foundation, the Department of Energy, the Binational Science Foundation, the Air Force, and NASA.





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Xiaonan Shan, Ph.D.

Associate Professor

University of Houston

Electrical and Computer Engineering Department

W306, Engineering Building 2

Houston, TX 77204, USA

Tel: 713-743-8593

Email: xshan at central.uh.edu<mailto:xshan at central.uh.edu>

Web: http://shanlab.ece.uh.edu/



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