Vertically grown multiwalled carbon nanotube anode and nickel silicide integrated high performance microsized (1.25 μl) microbial fuel cell

Justine E. Mink, Jhonathan P. Rojas, Bruce E. Logan, Muhammad M. Hussain

Research output: Contribution to journalArticle

90 Citations (Scopus)

Abstract

Microbial fuel cells (MFCs) are an environmentally friendly method for water purification and self-sustained electricity generation using microorganisms. Microsized MFCs can also be a useful power source for lab-on-a-chip and similar integrated devices. We fabricated a 1.25 μL microsized MFC containing an anode of vertically aligned, forest type multiwalled carbon nanotubes (MWCNTs) with a nickel silicide (NiSi) contact area that produced 197 mA/m 2 of current density and 392 mW/m 3 of power density. The MWCNTs increased the anode surface-to-volume ratio, which improved the ability of the microorganisms to couple and transfer electrons to the anode. The use of nickel silicide also helped to boost the output current by providing a low resistance contact area to more efficiently shuttle electrons from the anode out of the device.

Original languageEnglish (US)
Pages (from-to)791-795
Number of pages5
JournalNano letters
Volume12
Issue number2
DOIs
StatePublished - Feb 8 2012

Fingerprint

Microbial fuel cells
Multiwalled carbon nanotubes (MWCN)
fuel cells
Anodes
anodes
carbon nanotubes
Nickel
nickel
microorganisms
Microorganisms
Lab-on-a-chip
water treatment
Electrons
low resistance
Contact resistance
electricity
acceleration (physics)
Purification
radiant flux density
electron transfer

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

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Vertically grown multiwalled carbon nanotube anode and nickel silicide integrated high performance microsized (1.25 μl) microbial fuel cell. / Mink, Justine E.; Rojas, Jhonathan P.; Logan, Bruce E.; Hussain, Muhammad M.

In: Nano letters, Vol. 12, No. 2, 08.02.2012, p. 791-795.

Research output: Contribution to journalArticle

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