DataVXACS Applied Materials & InterfacesPaper
journal article·2023-01-18Open access

Improved Electrochemical Performance for High-Voltage Spinel LiNi0.5Mn1.5O4 Modified by Supercritical Fluid Chemical Deposition

Gwenaëlle Courbaron, Emmanuel Petit, Jon Serrano-Sevillano, Christine Labrugère-Sarroste, Jacob Olchowka, Dany Carlier, Nathalie Delpuech, Cyril Aymonier, Laurence Croguennec

ACS Applied Materials & Interfaces· Volume 15· Issue 2
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Source abstract

Abstract

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 LiNi 0.5 Mn 1.5 O 4 (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 Al 2 O 3 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.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storageMaterials processing

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Semiconductor materials and devices

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Bordeaux INP, ICMCB, UMR 5026, Université de Bordeaux, CNRS, F-33600 Pessac, France

Technocentre, Renault SAS, 1 Avenue du Golf, 78280 Guyancourt, France

RS2E, Réseau Français sur le Stockage Electrochimique de l′Energie, FR CNRS 3459, 80039 Amiens Cedex, France

ALISTORE-ERI European Research Institute, FR CNRS 3104, 80039 Amiens Cedex, France

Centro de Investigación Cooperativa de Energías Alternativas (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Álava, Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain

PLACAMAT, UAR 3626, Université de Bordeaux, CNRS, 33600 Pessac, France

Funding

Agence Nationale de la Recherche · Association Nationale de la Recherche et de la Technologie · R?gion Nouvelle Aquitaine · Renault SAS

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