Study of the lithium insertion–deinsertion mechanism in nanocrystalline γ-Fe2O3 electrodes by means of electrochemical impedance spectroscopy

Mathieu Quintin (1) , Olivier Devos (1) , Marie-Hélène Delville (1) , Guy Campet (1)

1 ICMCB - Institut de Chimie de la Matière Condensée de Bordeaux

Lithium intercalation hosts are a key point to the energy density of the largely used LiCoO2 (even if of high cost and toxicity) as well as of manganese oxides which have been investigated most extensively...

Mots clés: Nanoparticle; Grafting; Impedance spectroscopy; Lithium insertion; Fe2O3

Domaines: Matériaux

Mathieu Quintin, Olivier Devos, Marie-Hélène Delville, Guy Campet. Study of the lithium insertion–deinsertion mechanism in nanocrystalline γ-Fe2O3 electrodes by means of electrochemical impedance spectroscopy. Electrochimica Acta, 2006, 51 (28), pp.6426-6434. ⟨10.1016/j.electacta.2006.04.027⟩. ⟨hal-00115648⟩