Bimetallic Sulfates A2M(SO4)2.nH2O (A = Li, Na and M = Transition Metal): as New Attractive Electrode Materials for Li- and Na-Ion Batteries - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue ECS Transactions Année : 2013

Bimetallic Sulfates A2M(SO4)2.nH2O (A = Li, Na and M = Transition Metal): as New Attractive Electrode Materials for Li- and Na-Ion Batteries

Résumé

Developing the next generations of Li- and Na-ion batteries relies on designing new sustainable, low-cost and safe electrode materials. In such an attempt, we investigated several series of bimetallic sulfates, among them we identified Na2Fe(SO4)2*4H2O, Na2Fe(SO4)2 and Li2Fe(SO4)2, which present attractive electrochemical properties against both lithium and sodium. With a potential of 3.83 V vs. Li+/Li0, the new lithium iron sulfate Li2Fe(SO4)2 displays indeed the highest potential ever obtained for the Fe3+/Fe2+ redox couple in an iron-based fluorine-free compound. 10.1149/05024.0011ecst ECS Trans. 2013 volume 50, issue 24, 11-19

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Matériaux
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Dates et versions

hal-00881790 , version 1 (09-11-2013)

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M. Reynaud, Mohamed Ati, Sylvain Boulineau, Moulay Tahar Sougrati, Brent C. Melot, et al.. Bimetallic Sulfates A2M(SO4)2.nH2O (A = Li, Na and M = Transition Metal): as New Attractive Electrode Materials for Li- and Na-Ion Batteries. ECS Transactions, 2013, 50, pp.11-19. ⟨10.1149/05024.0011ecst⟩. ⟨hal-00881790⟩
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