A facile synthesis of hierarchical α-MnO2 nanofibers on 3D-graphene foam for supercapacitor application

Umakant M. Patil, Ji Soo Sohn, Sachin B. Kulkarni, Hyung Goo Park, Youngmo Jung, Kishor V. Gurav, Jae Hun Kim, Seong Chan Jun

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

Prominence of current work mainly conveys synthesis of α-MnO 2 nanofibers on 3D-graphene foam (GF) by solution growth (SG) method and its proficient influence in electrochemical supercapacitors' performance. The α-MnO2 nanofibers are synthesized on graphene surface by using MnSO4 and ammonium persulfate as an oxidant. The results show formation of aggregated bundles (size about 15-30 nm) of 1D α-MnO 2 nanofibers on the graphene surface. In supercapacitor, the unique nanofibrous morphology of MnO2 on 3D GF electrode exhibits higher specific capacitance (670 F g-1) than on the conventional current collector (CC) electrode (440 F g-1).

Original languageEnglish
Pages (from-to)135-139
Number of pages5
JournalMaterials Letters
Volume119
DOIs
Publication statusPublished - 2014 Mar 15

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electrochemical capacitors
Nanofibers
foams
Graphene
Foams
graphene
synthesis
Ammonium persulfate
Electrodes
electrodes
Oxidants
accumulators
bundles
Capacitance
capacitance
Supercapacitor

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Patil, Umakant M. ; Sohn, Ji Soo ; Kulkarni, Sachin B. ; Park, Hyung Goo ; Jung, Youngmo ; Gurav, Kishor V. ; Kim, Jae Hun ; Jun, Seong Chan. / A facile synthesis of hierarchical α-MnO2 nanofibers on 3D-graphene foam for supercapacitor application. In: Materials Letters. 2014 ; Vol. 119. pp. 135-139.
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A facile synthesis of hierarchical α-MnO2 nanofibers on 3D-graphene foam for supercapacitor application. / Patil, Umakant M.; Sohn, Ji Soo; Kulkarni, Sachin B.; Park, Hyung Goo; Jung, Youngmo; Gurav, Kishor V.; Kim, Jae Hun; Jun, Seong Chan.

In: Materials Letters, Vol. 119, 15.03.2014, p. 135-139.

Research output: Contribution to journalArticle

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AU - Patil, Umakant M.

AU - Sohn, Ji Soo

AU - Kulkarni, Sachin B.

AU - Park, Hyung Goo

AU - Jung, Youngmo

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AU - Kim, Jae Hun

AU - Jun, Seong Chan

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