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PhD Theses

Raphaëlle Houdeville will defend her PhD Thesis on 7 October 2021 at 11:30 am at ICMAB

The PhD researcher Raphaëlle Houdeville from the BL04-MSPD Group at ALBA Synchrotron and the Solid State Chemistry (SSC) Group at ICMAB, will defend her PhD thesis on Thursday 7 October 2021 at 11:30 am in an hybrid session, from the ICMAB Seminar Room "Carles Miravitlles", which will be also possible to follow online by Zoom.

Artur
Sep 17, 2021

Synchrotron powder diffraction on operando batteries at non-ambient temperature

By Raphaëlle Houdeville from the BL04-MSPD Group at ALBA Synchrotron and the Solid State Chemistry (SSC) Group at ICMAB-CSIC

Date: Thursday 7 October 2021
Time: 11:30 am
Venue: ICMAB Seminar Room "Carles Miravitlles" and online session by Zoom. Register here to attend by Zoom. 

Abstract: In situ X-ray techniques in operando batteries were early identified as a precious tool to get a mechanistic understanding of ion insertion in the electrodes’ structures. Indeed, they enable fast data collection while reducing the risk of altering the sample’s structure. Although various geometries of in situ cells are available commercially, none of them allow data collection at non-ambient temperature conditions. The goal of this thesis is to develop and test such cells. Three electrochemical systems were studied to assess the new cells. Li//TiS2 cells were tested to get better comprehension of the solvent cointercalation phenomenon. These informations were precious to study calcium insertion in TiS2 at non-ambient temperatures. Finally, NVP was tested in its α-phase (2°C) and β-phase (40°C).

Supervisors

  • François Fauth, ABA Synchrotron, Spain 
  • M. Rosa Palacín, Solid State Chemistry (SSC) Group, ICMAB-CSIC

PhD Committee:

  • President: Alois Khun, from the Universidad CEU San Pablo
  • Secretary: Dino Tonti, from the Solid State Chemistry (SSC) Group at ICMAB-CSIC
  • Vocal: Jean-Noël Chotard, from the Université de Picardie Jules Verne

University: Universitat Autònoma de Barcelona
PhD Programme: Materials Science

 abstract rhoudeville

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