Electrospun nanofiber of hybrid manganese oxides for supercapacitor: Relevance to mixed inorganic interfaces

Eunhee Lee, Taemin Lee, Byeong Su Kim

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

We prepare electrospun nanofibers (NFs) from a poly(N-vinylpyrrolidone)/ manganese (II) acetate composite by electrospinning for application in supercapacitors. As-spun hybrid NFs are calcined at different temperatures to remove the polymer matrix, resulting in inorganic MnOx NFs of variable compositional ratios of Mn3O4 to Mn 2O3. Interestingly, the sample of MnOx NFs that is calcined at 500 C exhibits the highest electrochemical performance, reaching a high specific capacitance of 360.7 F g-1 at a current density of 1 A g-1. This remarkable performance is attributed to the unique three-dimensional morphology and the reduced interfacial resistance of the mixed-phase MnOx NFs within the matrix electrode and the electrolyte.

Original languageEnglish
Pages (from-to)335-340
Number of pages6
JournalJournal of Power Sources
Volume255
DOIs
Publication statusPublished - 2014 Jun 1

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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