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Evaluation of polyketones with N-cyclic structure as electrode material for electrochemical energy storage: case of pyromellitic diimide dilithium salt
Laboratoire de Réactivité et Chimie des Solides, UMR CNRS 6007, Université de Picardie Jules Verne, 33 rue Saint-Leu, 80039 Amiens Cedex, France
E-mail: philippe.poizot@u-picardie.fr
; Fax: +33 322827590
; Tel: +33 322827586
b
Laboratoire des Glucides, UMR CNRS 6219, Université de Picardie Jules Verne, 33 rue Saint-Leu, 80039 Amiens Cedex, France
E-mail: franck.dolhem@u-picardie.fr
; Fax: +33 322827560
; Tel: +33 322827939
Chem. Commun., 2011,47, 2414-2416
DOI:
10.1039/C0CC04440G
Received
15 Oct 2010,
Accepted
23 Nov 2010
First published online
20 Dec 2010
Pyromellitic diimide dilithium salt was selected to complete our database on redox-active polyketones with a N-cyclic structure. Although never reported to date, such a lithiated salt was readily synthesized making its electrochemical evaluation in a Li battery possible. Preliminary data show that this novel material reversibly inserts two Li per formula unit at a relatively low potential giving a stable capacity value of 200 mAh g−1.
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