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SUMMARY:Novel manufacturing approaches to improving Li and Na ion batterie
 s - Professor Patrick Grant FREng\, Department of Materials\, Oxford Unive
 rsity\, UK
DTSTART:20240516T141500Z
DTEND:20240516T154500Z
UID:TALK216439@talks.cam.ac.uk
CONTACT:Julie Smith
DESCRIPTION:Since the invention of the Li ion battery more than 30 years a
 go\, there have been steady improvements in performance such as energy and
  power density. However the most dramatic change has been the reduction in
  cost per unit energy stored due to manufacturing innovations\, which have
  reduced costs by more than an order of magnitude. While costs continue to
  reduce\, albeit more slowly\, battery performance is beginning to stagnat
 e. However\, this plateau of performance is disappointingly well-below the
  intrinsic energy storage performance of the active cathode and anode mate
 rials that comprise the Li ion battery. The root of the performance platea
 u is the ubiquitous method of creating the electrodes\, which although hig
 hly productive\, constrains the range structures and performance that can 
 be achieved. This talk explores novel ways of producing electrodes used in
  Li ion and Na ion that have structures that allow the intrinsic energy st
 orage capabilities of materials to be realised more fully. For example\, w
 e have developed manufacturing techniques that provide extra control on ho
 w a polymeric binder distributes during the drying of a slurry cast Li ion
  battery electrode\, how to eliminate organic solvents used in electrode p
 rocessing\, and how to mix optimally different active materials in a singl
 e electrode. By improving microstructural control\, battery performance is
  enhanced\, and the design space for battery electrode architectures and p
 erformance is widened. Because design options are increased\, trial and er
 ror electrode optimisation by experiment typical of the battery industry b
 ecomes impossible. Therefore\, the use of modelling and simulation becomes
  essential\, both to understand the electrochemical behaviour of our smart
  hetero-electrodes and to guide the microstructural design of electrodes f
 or a particular balance of desired properties. \n\nPatrick Grant is the Ve
 suvius Professor of Materials and Pro Vice Chancellor for Research at the 
 University of Oxford. His research takes place at the interface between ad
 vanced materials and manufacturing. Particular applications include electr
 odes for energy storage\, advanced metallics for efficient power generatio
 n\, and multi-material additive manufacturing. He leads one of the UK Fara
 day Institution’s major research programmes on smart Li ion electrode ma
 nufacture and is the manufacturing lead for the Faraday Institution’s re
 search programme on solid-state batteries. He was head of the Department o
 f Materials (2015-18) and has been Pro-Vice-Chancellor for Research since 
 2018. He was elected a Fellow of the Royal Academy of Engineering in 2010\
 , was Chair of Rolls-Royce’s Scientific Advisory Committee (2019-22) and
  is a director of Oxford University Innovation Ltd\, Oxford University's t
 echnology transfer company.
LOCATION:Goldsmiths 2 &amp\; https://zoom.us/j/96836714124
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