TANG, Celine; GIAUME, Domitille; WEILL, François; PENIN, Nicolas; DOURGES, Marie Anne; SAADAOUI, Hassan; GUERLOU-DEMOURGUES, Liliane

doi:10.1021/acsaem.9b01263

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

GIAUME, Domitille
Institut de Recherche de Chimie Paris [IRCP]
Université Paris Sciences et Lettres [PSL]

WEILL, François
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

Langue

Article de revue

Ce document a été publié dans

ACS Applied Energy Materials. 2019-10-23, vol. 2, n° 11, p. 7832-7842

ACS

Résumé en anglais

To develop materials with enhanced electrochemical properties, an original synthesis strategy based on the exfoliation and restacking of manganese and cobalt layered transition metal oxides has been explored. Successful exfoliation yielded “building nanoblocks”, which were further reassembled in mixed nanocomposites, by modifications of electrostatic interactions in solution. Three methods were tested, differing by the acidification procedure and time of mixing. The restacking conditions play a key role on the microstructural homogeneity of the nanocomposites. Such a nanocomposite approach marrying a good electronic conductor (cobalt oxyhydroxide) with a pseudocapacitive material (manganese oxide) should thus be very beneficial for development of highly efficient pseudocapacitors.< Réduire

Mots clés en anglais

Exfoliation

Layer restacking

Layered transition metal oxides

Electrode material

Supercapacitors

Energy storage

DOI

http://dx.doi.org/10.1021/acsaem.9b01263

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