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X-WR-CALNAME:ESE Seminar - Stacey Bent: "Atomic Precision: Advancing Lithiu
 m Batteries through Interface Engineering" 
X-WR-TIMEZONE:Pacific Time (US & Canada)
BEGIN:VEVENT
DTSTAMP:20260609T001150Z
UID:tag:localist.com\,2008:EventInstance_52798568391315
DTSTART:20260511T193000Z
DTEND:20260511T202000Z
DESCRIPTION:Abstract\n\nAs the global demand for alternative energy intensi
 fies\, there is ongoing research and development aimed at enhancing energy
  storage systems. Lithium metal batteries represent a promising technology
  for next-generation energy storage solutions. However\, stabilizing the l
 ithium metal anode in these batteries remains a significant obstacle to th
 eir commercial viability. Given the central role of interfaces in lithium 
 metal batteries and other electrochemical energy storage systems\, enginee
 ring and controlling electrode interfaces emerge as a promising strategy f
 or achieving stable performance. During this talk\, I will present our res
 earch on the layer-by-layer synthetic strategies used to coat interfaces i
 n battery devices with nanoscale thin film materials\, aimed at enhancing 
 stability and performance. Our approach leverages atomic layer deposition 
 (ALD)\, a synthesis method that offers precise control over the compositio
 n\, structure\, and thickness of thin films. We show that with the appropr
 iate film properties\, ALD interfacial layers deposited on the current col
 lector can be used to regulate lithium metal morphology and the solid elec
 trolyte interphase (SEI)\, ultimately improving electrochemical performanc
 e in Li metal batteries. For example\, ultrathin metal oxide interfacial f
 ilms on the lithium anode's current collector can facilitate uniform and r
 eversible Li plating\, thereby enhancing battery cyclability. We also intr
 oduce a characterization method that enables us to probe the chemical comp
 osition of the pristine SEI without species loss by arresting chemical rea
 ctions and preserving volatile species at cryogenic temperatures. This new
  access to pristine interfacial composition allows us to correlate perform
 ance across various electrolyte chemistries.\n\n \n\nBio\n\nStacey F. Bent
  is the Jagdeep and Roshni Singh Professor at Stanford University\, where 
 she is Professor of Chemical Engineering\, Professor of Energy Science and
  Engineering\, and Professor\, by courtesy\, of Chemistry\, of Materials S
 cience and Engineering\, and of Electrical Engineering. She is currently s
 erving as Chair of the Department of Chemical Engineering and she previous
 ly held the position of Stanford's Vice Provost for Graduate Education and
  Postdoctoral Affairs. Bent obtained her B.S. degree in chemical engineeri
 ng from UC Berkeley and her Ph.D. degree in chemistry from Stanford\, and 
 she was a postdoctoral fellow at AT&T Bell Laboratories. Bent’s research
  interests are in the understanding of surface chemistry and materials syn
 thesis and the application of this knowledge to a variety of problems in s
 emiconductor processing\, sustainable energy\, and nanotechnology. Her gro
 up’s current research activities range from fundamental studies of film 
 growth\, to area selective ALD and 2D electronics\, to batteries and catal
 ysis. Bent is a member of the U.S. National Academy of Engineering. \n\n \
 n\nRelated Publications\n\nElectrical resistance of the current collector 
 controls lithium morphology\nhttps://www.nature.com/articles/s41467-022-31
 507-w\n\nCryogenic X-ray photoelectron spectroscopy for battery interfaces
 \nhttps://www.nature.com/articles/s41586-025-09618-3
GEO:37.429138;-122.17552
LOCATION:Shriram Center\, 104
SUMMARY:ESE Seminar - Stacey Bent: "Atomic Precision: Advancing Lithium Bat
 teries through Interface Engineering" 
URL;VALUE=URI:https://events.stanford.edu/event/ese-seminar-stacey-bent-ato
 mic-precision-advancing-lithium-batteries-through-interface-engineering
CATEGORIES:Class/Seminar
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