Highly active nitrogen-doped nanocarbon electrocatalysts for alkaline direct methanol fuel cell

Ivar Kruusenberg, Sander Ratso, Merilin Vikkisk, Petri Kanninen, Tanja Kallio, Arunachala Mada Kannan, Kaido Tammeveski

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

(Graph Presented) Direct methanol fuel cells are assembled and evaluated using Fumatech FAA3 alkaline anion exchange membrane. Two novel metal-free cathode catalysts are synthesised, investigated and compared with the commercial Pt-based catalyst. In this work nitrogen-doped few-layer graphene/multi-walled carbon nanotube (N-FLG/MWCNT) composite and nitrogen-doped MWCNT (N-MWCNT) catalyst are prepared by pyrolysing the mixture of dicyandiamide (DCDA) and carbon nanomaterials at 800°C. The resulting cathode catalyst material shows a remarkable electrocatalytic activity for oxygen reduction reaction (ORR) in 0.1 M KOH solution employing the rotating disk electrode (RDE) method. Fuel cell tests are performed by using 1 M methanol as anode and pure oxygen gas cathode feed. The maximum power density obtained with the N-FLG/MWCNT material (0.72 mW cm-2) is similar to that of the Pt/C catalyst (0.72 mW cm-2), whereas the N-MWCNT material shows higher peak power density (0.92 mW cm-2) than the commercial Pt/C catalyst.

Original languageEnglish (US)
Pages (from-to)94-102
Number of pages9
JournalJournal of Power Sources
Volume281
DOIs
StatePublished - May 1 2015

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Alkaline fuel cells
Direct methanol fuel cells (DMFC)
electrocatalysts
Electrocatalysts
fuel cells
Nitrogen
methyl alcohol
nitrogen
catalysts
Catalysts
Carbon Nanotubes
Cathodes
Graphite
cathodes
Graphene
radiant flux density
Carbon nanotubes
graphene
carbon nanotubes
Oxygen

Keywords

  • Alkaline fuel cell
  • Carbon nanotubes
  • Few-layer graphene
  • Nitrogen doping
  • Non-platinum catalysts
  • Oxygen reduction

ASJC Scopus subject areas

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

Cite this

Highly active nitrogen-doped nanocarbon electrocatalysts for alkaline direct methanol fuel cell. / Kruusenberg, Ivar; Ratso, Sander; Vikkisk, Merilin; Kanninen, Petri; Kallio, Tanja; Mada Kannan, Arunachala; Tammeveski, Kaido.

In: Journal of Power Sources, Vol. 281, 01.05.2015, p. 94-102.

Research output: Contribution to journalArticle

Kruusenberg, Ivar ; Ratso, Sander ; Vikkisk, Merilin ; Kanninen, Petri ; Kallio, Tanja ; Mada Kannan, Arunachala ; Tammeveski, Kaido. / Highly active nitrogen-doped nanocarbon electrocatalysts for alkaline direct methanol fuel cell. In: Journal of Power Sources. 2015 ; Vol. 281. pp. 94-102.
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