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OPTIMIZATION OF SODIUM VANADATE (NVO) AS CATHODE MATERIAL FOR ZINC-ION BATTERIES

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Larry, Max ULiège
Promotor(s) : Boschini, Frédéric ULiège
Date of defense : 20-Jan-2021 • Permalink : http://hdl.handle.net/2268.2/11745
Details
Title : OPTIMIZATION OF SODIUM VANADATE (NVO) AS CATHODE MATERIAL FOR ZINC-ION BATTERIES
Author : Larry, Max ULiège
Date of defense  : 20-Jan-2021
Advisor(s) : Boschini, Frédéric ULiège
Committee's member(s) : Mahmoud, Abdelfattah ULiège
Cloots, Rudi ULiège
Hatert, Frédéric ULiège
Language : English
Keywords : [en] Zinc-ion battery
[en] Sodium vanadate
[en] ZIB
[en] NVO
[en] Na0.33V2O5
[en] Na1.1V3O7.9
[en] triflate
[en] aqueous electrolyte
[en] liquid pathway
[en] stirring
[en] hydrothermal
[en] calcination
[en] thermal treatment
[en] XRD
[en] SEM
[en] specific capacity
[en] cycle number
[en] stability
[en] pillars
[en] sodium ions
Discipline(s) : Physical, chemical, mathematical & earth Sciences > Chemistry
Target public : Researchers
Professionals of domain
Student
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master en sciences chimiques, à finalité spécialisée
Faculty: Master thesis of the Faculté des Sciences

Abstract

[en] In this paper, the optimization of sodium vanadate (NVO) as cathode material for zinc-ion batteries (ZIBs) and the improvement of the material's synthesis are reported. Following the convincing capacities obtained for ZIBs using vanadium pentoxide (V₂O₅) as a cathode material, it is tried to further enhance the latter’s electrochemical performances through the insertion of sodium ions into the crystallographic structure of V₂O₅. Acting as stabilizing pillars, the added sodium ions allow NVO cathode material to reach extremely high cycling numbers without a considerable loss of capacity. Special attention is paid to the ecological aspect of the synthesizing method, as ZIBs are considered as being a sustainable and eco-friendly alternative to LIBs.


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Author

  • Larry, Max ULiège Université de Liège > Master en sc. chimiques, à fin.

Promotor(s)

Committee's member(s)

  • Mahmoud, Abdelfattah ULiège Université de Liège - ULiège > Département de chimie (sciences) > LCIS - GreenMAT
    ORBi View his publications on ORBi
  • Cloots, Rudi ULiège Université de Liège - ULiège > Département de chimie (sciences) > Vice-Recteur à la vie étud. et aux infrastr. immobilières
    ORBi View his publications on ORBi
  • Hatert, Frédéric ULiège Université de Liège - ULiège > Département de géologie > Minéralogie et cristallochimie
    ORBi View his publications on ORBi
  • Total number of views 53
  • Total number of downloads 13










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