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UID:69dea65b026b6
DTSTAMP:20260414T164059
DTSTART:20150519T110000
SEQUENCE:0
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DTEND:20150519T123000
URL:https://murmitoyen.com/events/vanille/udem/detail/599995
LOCATION:Université de Montréal - Pavillon Roger-Gaudry\, 2900\, chemin d
 e la Tour\, Montréal\, QC\, Canada\, H3T 1J6
SUMMARY:Conférence du Professeur Philippe Poizot (Nantes)
DESCRIPTION:Titre : Design of Redox-Active pi-Conjugated Structures for Org
 anic Batteries.Endroit : Pavillon Roger-Gaudry\, salle G-715 à 11 hHôte 
 : Professeur Mickaël DolléLa conférence sera prononcée (en français) 
 par le professeur Philippe Poizot\, de l'Institut des Matériaux Jean Rou
 xel à l'Université de Nantes (France).Résumé : Li-ion batteries (LIBs)
  appear nowadays as flagship technology able to power an increasing range 
 of applications starting from small portable electronic devices to advance
 d electric vehicles. Over the past two decades\, the discoveries of new me
 tal-based host structures coupled with substantial technical developments 
 have considerably improved their electrochemical performance\, particularl
 y in terms of energy density. Nevertheless\, to further promote electroche
 mical storage systems while limiting the demand on metal-based raw materia
 ls\, one possible parallel research to inorganic-based batteries consists 
 in developing organic electrode materials. Indeed\, organic systems exhibi
 t several advantages such as chemical structures composed of quite natural
 ly abundant elements (e.g.\, C\, H\, N or O) and a great richness in terms
  of chemical designs. For a long time\, this class of redox-active materia
 ls has been disregarded mainly due to stability issues but\, in recent yea
 rs\, progress has been made demonstrating that organics undeniably exhibit
  considerable assets. Great achievements have already been realized especi
 ally with organic radical batteries (ORBs). However\, simultaneously achie
 ving high energy/power density and high cyclability in a fully integrated 
 organic Li-ion cell is still challenging. For the past few years\, our gro
 up has been revisiting selected organic structures containing pi-conjugate
 d enolate/C=O-based moieties in order to identify robust organic electrode
  structures reacting at both high and low potentials vs. Li. This contribu
 tion will be an opportunity to present some interesting organic materials 
 showing reversible electrochemical activities at the solid state as well a
 s recent advances in terms of poorly soluble organic cathode materials cap
 able of being reversibly charged at a high enough potential.Information su
 pplémentaireAnnonce PDF de la conférence
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TZID:America/Montreal
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