COURBARON, Gwenaëlle; PETIT, Emmanuel; SERRANO-SEVILLANO, Jon; LABRUGÈRE-SARROSTE, Christine; OLCHOWKA, Jacob; CARLIER, Dany; DELPUECH, Nathalie; AYMONIER, Cyril; CROGUENNEC, Laurence

doi:10.1021/acsami.2c14777

Métadonnées

Licence d’utilisation du document

COURBARON, Gwenaëlle
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Technocentre, Renault SAS

PETIT, Emmanuel
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Réseau sur le stockage électrochimique de l'énergie [RS2E]

SERRANO-SEVILLANO, Jon
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Advanced Lithium Energy Storage Systems - ALISTORE-ERI [ALISTORE-ERI]
CIC ENERGIGUNE - Parque Tecnol Alava

Langue

Article de revue

Ce document a été publié dans

ACS Applied Materials & Interfaces. 2023-01-18, vol. 15, n° 2, p. 2812-2824

Washington, D.C. : American Chemical Society

Résumé en anglais

Among candidates at the positive electrode of the next generation of Li-ion technology and even beyond post Li-ion technology as all-solid-state batteries, spinel LiNi0.5Mn1.5O4 (LNMO) is one of the favorites. Nevertheless, before its integration into commercial systems, challenges still remain to be tackled, especially the stabilization of interfaces with the electrolyte (liquid or solid) at high voltage. In this work, a simple, fast, and cheap process is used to prepare a homogeneous coating of Al2O3 type to modify the surface of the spinel LNMO: the supercritical fluid chemical deposition (SFCD) route. This process is, to the best of our knowledge, used for the first time in the battery field. Significantly improved performance was demonstrated vs those of bare LNMO, especially at high rates and for highly loaded electrodes.< Réduire

Mots clés en anglais

Lithium-ion batteries

Surface modification

High-voltage positive electrode material

Spinel oxide LiNi0.5Mn1.5O4

Supercritical fluid chemical deposition

DOI

http://dx.doi.org/10.1021/acsami.2c14777

Project ANR

Laboratory of excellency for electrochemical energy storage - ANR-10-LABX-0076

Origine

Importé de hal

Unités de recherche

Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB) - UMR 5026