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Influence of Cosurfactant on the Synthesis of Surface‐Modified Na 2/3 Ni 1/3 Mn 2/3 O 2 as a Cathode for Sodium‐Ion Batteries
Author(s) -
GarcíaGarcía Francisco J.,
Klee Rafael,
Lavela Pedro,
Bomio Mauricio R. D.,
Tirado José L.
Publication year - 2020
Publication title -
chemelectrochem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 59
ISSN - 2196-0216
DOI - 10.1002/celc.202000797
Subject(s) - cathode , dielectric spectroscopy , electrochemistry , methylamine , sodium , diffraction , scanning electron microscope , materials science , analytical chemistry (journal) , ion , chemical engineering , inorganic chemistry , chemistry , nuclear chemistry , electrode , metallurgy , chromatography , organic chemistry , composite material , optics , physics , engineering
The electrochemical performance of two Na 2/3 Ni 1/3 Mn 2/3 O 2 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.