Power generation using an activated carbon fiber felt cathode in an upflow microbial fuel cell

Qian Deng, Xinyang Li, Jiane Zuo, Alison Ling, Bruce Ernest Logan

Research output: Contribution to journalArticle

136 Citations (Scopus)

Abstract

An activated carbon fiber felt (ACFF) cathode lacking metal catalysts is used in an upflow microbial fuel cell (UMFC). The maximum power density with the ACFF cathode is 315 mW m -2 , compared to lower values with cathodes made of plain carbon paper (67 mW m -2 ), carbon felt (77 mW m -2 ), or platinum-coated carbon paper (124 mW m -2 , 0.2 mg-Pt cm -2 ). The addition of platinum to the ACFF cathode (0.2 mg-Pt cm -2 ) increases the maximum power density to 391 mW m -2 . Power production is further increased to 784 mW m -2 by increasing the cathode surface area and shaping it into a tubular form. With ACFF cutting into granules, the maximum power is 481 mW m -2 (0.5 cm granules), and 667 mW m -2 (1.0 cm granules). These results show that ACFF cathodes lacking metal catalysts can be used to substantially increase power production in UMFC compared to traditional materials lacking a precious metal catalyst.

Original languageEnglish (US)
Pages (from-to)1130-1135
Number of pages6
JournalJournal of Power Sources
Volume195
Issue number4
DOIs
StatePublished - Feb 15 2010

Fingerprint

Microbial fuel cells
activated carbon
carbon fibers
Activated carbon
fuel cells
Carbon fibers
Power generation
Cathodes
cathodes
Platinum
catalysts
Catalysts
Carbon
radiant flux density
carbon
platinum
Metals
Precious metals
noble metals
plains

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

Cite this

Deng, Qian ; Li, Xinyang ; Zuo, Jiane ; Ling, Alison ; Logan, Bruce Ernest. / Power generation using an activated carbon fiber felt cathode in an upflow microbial fuel cell. In: Journal of Power Sources. 2010 ; Vol. 195, No. 4. pp. 1130-1135.
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Power generation using an activated carbon fiber felt cathode in an upflow microbial fuel cell. / Deng, Qian; Li, Xinyang; Zuo, Jiane; Ling, Alison; Logan, Bruce Ernest.

In: Journal of Power Sources, Vol. 195, No. 4, 15.02.2010, p. 1130-1135.

Research output: Contribution to journalArticle

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