Influence of Cosurfactant on the Synthesis of Surface‐Modified Na2/3Ni1/3Mn2/3O2 as a Cathode for Sodium‐Ion Batteries. Issue 16 (26th August 2020)

• Record Type: Journal Article
• Authors: García‐García, Francisco J.; Klee, Rafael; Lavela, Pedro; Bomio, Mauricio R. D.; Tirado, José L.
• Is Part Of: ChemElectroChem. Volume 7:Issue 16(2020)
• Page Start: 3528
• Page End: 3534
• Publication Date: 2020-08-26
• Subjects: sodium -- intercalations -- sol-gel processes -- surfactants, batteries; Electrochemistry -- Periodicals; 541.37
• DOI: 10.1002/celc.202000797
• Languages: English
• ISSNs: 2196-0216

Abstract

Abstract: The electrochemical performance of two Na2/3 Ni1/3 Mn2/3 O2 samples, prepared through an oleic‐assisted emulsion procedure, is examined. The effect of cosurfactants with either short (methylamine) or long (octylamine) chains is determined for their applicability as cathode materials for sodium‐ion batteries. Their structural and morphological properties are studied by X‐ray diffraction and electron microscopy. The electrochemical performance is determined by cycling sodium half‐cells with the galvanostatic method. Particular interest is devoted to their kinetic properties evaluated by using impedance spectroscopy. Abstract : Long and short of it : The effect of either short (methylamine) or long (octylamine) molecules as cosurfactants is evidenced in the preparation of Na2/3 Ni1/3 Mn2/3 O2 by an oleic‐assisted emulsion procedure. Their applicability as cathode materials for sodium‐ion batteries is evaluated with particular emphasis on their kinetic properties.