The Fall 2021 MatSE 590 for graduate students consists of an exciting and jam-packed schedule. MATSE 590 is a colloquium (1-3 credits) consist of a series of individual lectures by faculty, students, or outside speakers.
Graduate students will receive a weekly email with information via @psu.edu email. Graduate students are required to attend all 590 Seminars. If you have any questions, please email Hayley Barnes at hjc24@psu.edu.
*Due to the ongoing Covid Pandemic this program is being offered virtually through Zoom. Please reference the weekly email from Hayley Barnes (hjc24@psu.edu) for Zoom link.
December 9, 2021
“Rational Design of Electrode/Electrolyte Materials Towards Advanced Battery Technologies ”
Lin Ma, Ph.D., Dr. Brad. E. Forch Distinguished Postdoc Fellow, U.S. Army Research Laboratory/University of Maryland
Abstract
The implementation of rechargeable battery technology in real world applications (e.g. electric vehicles) poses numerous challenges spanning multiple length scales. This talk will focus on two battery technology routes that these challenges (i.e. energy density, lifetime and safety) can be tackled at the material and cell level. In a first part, surprising results on the role of LiPO2F2 as an electrolyte additive material in Li-ion batteries will be discussed. Archimedes, high-voltage storage testing, electrochemical impedance spectroscopy, and cell cycling results will show LiPO2F2 to be one of the best additives for single crystal LiNi0.5Mn0.3Co0.2O2/graphite cells discovered to date. In a second part, the use of a support salt material will be discussed as an enabler for Zn metal anode in aqueous media. The impact of Me3EtN-TFSI supporting salt material will be explored using modeling and further validated using experimental data. Modified electrode/electrolyte interphase will be shown to dramatically improve Zn reversibility and extend the cycle life of aqueous rechargeable Zn metal batteries. All the results provide new insights for electrode/electrolyte materials design for rechargeable batteries towards next generation energy storage applications.
Biographical Information
Dr. Lin Ma currently is a Dr. Brad. E. Forch Distinguished Postdoc Fellow, supervised by Dr. Kang Xu and Prof. Chunsheng Wang, in the U.S. Army Research Laboratory/University of Maryland. He began his scientific career in energy storage field with the development of conversion cathode materials under the supervision of Prof. Yong Yang at Xiamen University where he obtained his BSc (2012). He then earned his Ph.D. in 2019 by working with Prof. Jeff Dahn on high voltage Li-ion batteries at Dalhousie University with the support of Killam Fellowship. Lin’s research interests focus on use of electrochemical and materials engineering in clean energy technologies (mainly energy storage systems) to address energy and environmental challenges. Lin is the author and co-author of more than 55 peer-reviewed journal articles, 1 book and 6 patents. He is the winner of 2017 Battery Division Student Research Award and 2021 Battery Division Postdoctoral Associate Research Award (Sponsored by MTI Corporation and the Jiang Family Foundation) in the Electrochemical Society. He serves as an active reviewer in battery field for 55+ publications including Journal of Power Sources, ACS Energy Letters, etc. He also serves as an Ambassador for IMLB 2022. In the future, he seeks to lead a team to contribute to the development of next generation energy storage applications using sustainable electro-chemo-mechanical engineering methodologies. Leveraging the unique opportunity in AESEDA, he hopes to contribute to helping the underrepresented groups through his research program to be established and teaching.
