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Inorganic-organic Hybrid materials from Layered Double Hydroxide structure and their subsequent carbonaceous repliqua

Published online by Cambridge University Press:  01 February 2011

Fabrice Leroux ,
El Mostafa Moujahid ,
Claudia Roland-Swanson ,
Laetitia Vieille ,
Christine Taviot-Guého ,
Jean-Pierre Besse ,
Encarnacion Raymundo-Piñero  and
François Béguin
Fabrice Leroux
Affiliation:
Laboratoire des Matériaux Inorganiques, CNRS-UMR n°6002, Université Blaise Pascal, 63177 Aubière cédex, France; E-mail: [email protected]
El Mostafa Moujahid
Affiliation:
Laboratoire des Matériaux Inorganiques, CNRS-UMR n°6002, Université Blaise Pascal, 63177 Aubière cédex, France; E-mail: [email protected]
Claudia Roland-Swanson
Affiliation:
Laboratoire des Matériaux Inorganiques, CNRS-UMR n°6002, Université Blaise Pascal, 63177 Aubière cédex, France; E-mail: [email protected]
Laetitia Vieille
Affiliation:
Laboratoire des Matériaux Inorganiques, CNRS-UMR n°6002, Université Blaise Pascal, 63177 Aubière cédex, France; E-mail: [email protected]
Christine Taviot-Guého
Affiliation:
Laboratoire des Matériaux Inorganiques, CNRS-UMR n°6002, Université Blaise Pascal, 63177 Aubière cédex, France; E-mail: [email protected]
Jean-Pierre Besse
Affiliation:
Laboratoire des Matériaux Inorganiques, CNRS-UMR n°6002, Université Blaise Pascal, 63177 Aubière cédex, France; E-mail: [email protected]
Encarnacion Raymundo-Piñero
Affiliation:
Centre de Recherche sur la Matière Divisée, 1B rue de la Férollerie, 45071 Orléans, cedex 2, France
François Béguin
Affiliation:
Centre de Recherche sur la Matière Divisée, 1B rue de la Férollerie, 45071 Orléans, cedex 2, France
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Abstract

Interleaved monomers and polymers between the sheets of layered double hydroxide (LDH) (hydrotalcite-type) materials are considered as carbonaceous source. After a charring process constituted of a carbonisation and a subsequent demineralisation, carbonaceous materials of interesting textural properties were obtained. The initial preparation of the polymer LDH hybrid phase was found to strongly orientate the textural characteristics, microporous volume and creation of mesoporosity. Several methods to assess the microporosity, t-plot, αs and Dubinin-Astakhov, are compared. Specific surface area as high as 2300 m2/g measured by BET method and microporous volume of 1.07 mL/g were obtained. The carbonaceous materials tested as supercapacitor in acidic medium present capacitances in the range 60 - 120 F/g associated to a good behavior in cycling.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 847: Symposium EE – Organic/Inorganic Hybrid Materials , 2004 , EE7.4
Copyright
Copyright © Materials Research Society 2005

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References

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