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Unravelling the morphological dependency of the LiNi0.6Mn0.2Co0.2O2 layered oxide reactivity in Li-ion batteries

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  • معلومة اضافية
    • Contributors:
      Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB); Université de Bordeaux (UB)-Institut Polytechnique de Bordeaux-Institut de Chimie - CNRS Chimie (INC-CNRS)-Centre National de la Recherche Scientifique (CNRS); Institut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux (IPREM); Université de Pau et des Pays de l'Adour (UPPA)-Institut de Chimie - CNRS Chimie (INC-CNRS)-Centre National de la Recherche Scientifique (CNRS); Réseau sur le stockage électrochimique de l'énergie (RS2E); Aix Marseille Université (AMU)-Université Toulouse III - Paul Sabatier (UT3); Université de Toulouse (UT)-Université de Toulouse (UT)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Collège de France (CdF (institution))-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP); Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Pau et des Pays de l'Adour (UPPA)-Institut de Chimie - CNRS Chimie (INC-CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP); Université de Toulouse (UT)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP); Université Grenoble Alpes (UGA)-Université Grenoble Alpes (UGA)-Nantes Université (Nantes Univ)-Université de Montpellier (UM)-Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM); Université de Montpellier (UM); Institut Laue-Langevin (ILL); SAFT Bordeaux; Société des accumulateurs fixes et de traction (SAFT); Advanced Lithium Energy Storage Systems - ALISTORE-ERI (ALISTORE-ERI); Institut de Chimie - CNRS Chimie (INC-CNRS)-Centre National de la Recherche Scientifique (CNRS); The authors acknowledge Saft and Région Nouvelle-Aquitaine for the funding of the project, as well as the French National Research Agency (STORE-EX Labex Project ANR-10-LABX-76-01) for financial support for their research on the electrochemical energy storage.; ANR-10-LABX-0076,STORE-EX,Laboratory of excellency for electrochemical energy storage(2010)
    • بيانات النشر:
      CCSD
      ACS
    • الموضوع:
      2022
    • Collection:
      HAL e2s UPPA (Université de Pau et des Pays de l'Adour)
    • نبذة مختصرة :
      International audience ; LiNi0.6Mn0.2Co0.2O2 is one of the most promising positive electrode material for Li-ion batteries. Platelet-shaped particles of 17 nm and 86 nm thickness were obtained, with the required composition and a structure close to the ideal 2D layered structure (less than 5.2% Ni2+ ions in Li+ sites). The electrochemical performances and surface reactivity of the materials were characterized in Li-ion batteries and compared to that of 280 nm particles with a more conventional morphology. Post-cycling analyses revealed a particular reactivity at high potential for the platelets compared to the conventional particles. X-Ray photoelectron spectroscopy and ex situ XRD analyses were performed to characterize the composition of the positive electrode/electrolyte interface and the structural changes undergone by the three materials upon cycling respectively. This study showed that, as well as the particles’ composition, their morphology plays a significant role regarding the reactivity and the structural changes occurring during cycling at high potential.
    • الرقم المعرف:
      10.1021/acsaem.2c01223
    • الدخول الالكتروني :
      https://hal.science/hal-03684103
      https://hal.science/hal-03684103v1/document
      https://hal.science/hal-03684103v1/file/SoloyA_ACS_Appl_Energ_Mater_2022.pdf
      https://doi.org/10.1021/acsaem.2c01223
    • Rights:
      info:eu-repo/semantics/OpenAccess
    • الرقم المعرف:
      edsbas.A253FA37