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SUMMARY:Innovating the batteries of the future
DTSTART:20220308T100000
DTEND:20220308T110000
DTSTAMP:20260502T073036Z
UID:e2381f64ce5102d487977c29d3fc9f71b70691b07c3b140b417c2402
CATEGORIES:Conferences - Seminars
DESCRIPTION:Public Seminar / Faculty Search for a position in Battery Mate
 rials\, STI / IMX\nConnecting to Zoom: Meeting ID: 643 6913 5076\, Passcod
 e: 032095\n\nDr. Corsin Battaglia\, EMPA\, Swiss Federal Laboratories for 
 Materials Science and Technology\, Laboratory Materials for Energy Convers
 ion\n\n\nAbstract:\nBatteries are recognized as key enabler for the decarb
 onization of the transport sector and the transition to renewable energies
 . However\, alternatives to current lithium-ion battery chemistries need t
 o be developed in order to reach performance and sustainability goals.\nAf
 ter a brief introduction to next-generation lithium-ion battery cells deve
 loped in our lab\, I will describe our efforts in enabling alternative hig
 h-energy cathode materials\, which do not rely on critical cobalt. We are 
 particularly interested in a promising novel class of cobalt-free high-ene
 rgy cathode materials with a cation-disordered crystal structure\, which r
 equire an excess of lithium to promote lithium mobility. These materials t
 end to be highly reactive in the de-lithiated/charged state requiring an e
 lectrolyte capable of forming a robust interface passivation layer during 
 the first few cycles to prevent continuous electrolyte decomposition.\nMy 
 lab is also working intensively on solid-state batteries promising to doub
 le the energy density compared to traditional lithium-ion batteries with l
 iquid electrolytes by enabling lithium metal anodes. I will describe recen
 t strategies\, we developed\, to prevent the formation of lithium metal de
 ndrites during dis-/charge cycling\, which can short-circuit the cell and 
 thus represent a major safety hazard. We recently also demonstrated the su
 ccessful realization of a competitive solid-state battery with a lithium m
 etal anode and a high-energy cathode. A decisive advantage of our solid el
 ectrolyte is that it can be crystallized out of solution\, enabling future
  high-volume battery manufacturing by printing.\n 
LOCATION:https://epfl.zoom.us/j/64369135076?pwd=cmpoL0FJNnAxMFhWRjZWdDBQSD
 g5Zz09
STATUS:CONFIRMED
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