Article (Scientific journals)
Rapid aqueous synthesis of ordered mesoporous carbons: Investigation of synthesis variables and application as anode materials for Li-ion batteries
Léonard, Alexandre; Gommes, Cédric; Piedboeuf, Marie-Laure et al.
2014In Microporous and Mesoporous Materials, 195, p. 92-101
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Keywords :
Ordered Mesoporous Carbons; Soft-templating; Hexamethylenetetramine; Anodes; Li-ion batteries
Abstract :
[en] Ordered mesoporous carbons (OMC) were synthesized via a direct templating pathway by a synthesis route that features short duration, moderate temperature and aqueous media. Resorcinol was used as carbon precursor and hexamethylenetetramine as a source of formaldehyde and ammonia to respectively cross-link the framework and regulate the pH. The temperature of the heat treatment leading to the formation of the solid polymer was shown to have a strong influence on the structural and textural parameters. In particular, moderate temperatures led to the coexistence of differently-sized entangled hexagonal mesostructures, whereas the higher temperatures led to a sharp decrease in the mesopore volume. The performance of these materials as anode materials for Li-ion batteries has been investigated in detail. Although these OMC show reversible capacities similar to those reported for hard carbons, their long-term cycling remains very stable for over 100 cycles of charge/discharge. The optimization of the reported short preparation pathway offers new possibilities regarding the application of ordered mesoporous carbons in various fields, such as energy storage, sorption and heterogeneous catalysis
Disciplines :
Chemistry
Author, co-author :
Léonard, Alexandre  ;  Université de Liège - ULiège > Département de chimie appliquée > Ingéniérie électrochimique
Gommes, Cédric  ;  Université de Liège - ULiège > Département de chimie appliquée > Département de chimie appliquée
Piedboeuf, Marie-Laure ;  Université de Liège - ULiège > Département de chimie appliquée > Département de chimie appliquée
Pirard, Jean-Paul ;  Université de Liège - ULiège > Département de chimie appliquée > Département de chimie appliquée
Job, Nathalie  ;  Université de Liège - ULiège > Département de chimie appliquée > Ingéniérie électrochimique
Language :
English
Title :
Rapid aqueous synthesis of ordered mesoporous carbons: Investigation of synthesis variables and application as anode materials for Li-ion batteries
Publication date :
2014
Journal title :
Microporous and Mesoporous Materials
ISSN :
1387-1811
eISSN :
1873-3093
Publisher :
Elsevier Science
Volume :
195
Pages :
92-101
Peer reviewed :
Peer Reviewed verified by ORBi
European Projects :
FP7 - 266090 - SOMABAT - Development of novel SOlid MAterials for high power Li polymer BATteries (SOMABAT). Recyclability of components.
Funders :
CE - Commission Européenne [BE]
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