A Facile Method for Low-Temperature Synthesis of NaV₃O₈ as Cathode Materials for Lithium Secondary Batteries

Chao YUAN, Cong LI, Binqiang MA, Xin LI, Xiaoyu CAO

Abstract


A facile method has been used to synthesize NaV3O8 powders with oxalic acid as the complexing agent. This soft-synthesis technique can effectively reduce the calcination temperature for synthesizing NaV3O8 powders to 300 °C, which is much lower than that in the solid-state synthesis. The thus-synthesized NaV3O8 powders are characterized by XRD, SEM and galvanostatic charge-discharge test. Among the as-prepared powders, the NaV3O8 powder obtained at 350 °C exhibits morphology of porous particles. The electrochemical analysis reveals that this powder demonstrates high discharge capacity and good cycleability.

http://dx.doi.org/10.5755/j01.ms.17.1.252


Keywords


NaV₃O₈; soft-chemistry synthesis; porous particles; electrochemical performance; lithium secondary batteries

Full Text: PDF

Print ISSN: 1392–1320
Online ISSN: 2029–7289