Effects of sulfide on microbial fuel cells with platinum and nitrogen-doped carbon powder cathodes

Yujie Feng, Xinxin Shi, Xin Wang, He Lee, Jia Liu, Youpeng Qu, Weihua He, S. M Senthil Kumar, Byung Hong Kim, Nanqi Ren

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Because of the advantages of low cost, good electrical conductivity and high oxidation resistance, nitrogen-doped carbon (NDC) materials have a potential to replace noble metals in microbial fuel cells (MFCs) for wastewater treatment. In spite of a large volume of studies on NDC materials as catalysts for oxygen reduction reaction, the influence of sulfide on NDC materials has not yet been explicitly reported so far. In this communication, nitrogen-doped carbon powders (NDCP) were prepared by treating carbon powders in nitric acid under reflux condition. Sodium sulfide (Na 2S) was added to the cathodic electrolyte to compare its effects on platinum (Pt) and NDCP cathodes. Cell voltages, power density and cathodic potentials were monitored without and with Na 2S and after Na 2S was removed. The maximum cell voltage of the MFCs with Pt cathode decreased by 10% in the presence of Na 2S that did not change the performance of the MFC with NDCP cathode, and the maximum power density of the MFC with NDCP cathode was even 11.3% higher than that with Pt cathode (222.5±8mWm -2 vs. 199.7±4mWm -2).

Original languageEnglish
Pages (from-to)413-415
Number of pages3
JournalBiosensors and Bioelectronics
Volume35
Issue number1
DOIs
Publication statusPublished - 15 May 2012
Externally publishedYes

Fingerprint

Bioelectric Energy Sources
Microbial fuel cells
Sulfides
Platinum
Powders
Electrodes
Cathodes
Nitrogen
Carbon
Nitric Acid
Electric Conductivity
Oxidation resistance
Electric potential
Nitric acid
Precious metals
Waste Water
Wastewater treatment
Electrolytes
Metals
Sodium

Keywords

  • Cathode catalyst
  • Microbial fuel cell
  • Nitrogen-doped carbon
  • Sulfide

ASJC Scopus subject areas

  • Biophysics
  • Biomedical Engineering
  • Biotechnology
  • Electrochemistry

Cite this

Effects of sulfide on microbial fuel cells with platinum and nitrogen-doped carbon powder cathodes. / Feng, Yujie; Shi, Xinxin; Wang, Xin; Lee, He; Liu, Jia; Qu, Youpeng; He, Weihua; Kumar, S. M Senthil; Kim, Byung Hong; Ren, Nanqi.

In: Biosensors and Bioelectronics, Vol. 35, No. 1, 15.05.2012, p. 413-415.

Research output: Contribution to journalArticle

Feng, Y, Shi, X, Wang, X, Lee, H, Liu, J, Qu, Y, He, W, Kumar, SMS, Kim, BH & Ren, N 2012, 'Effects of sulfide on microbial fuel cells with platinum and nitrogen-doped carbon powder cathodes', Biosensors and Bioelectronics, vol. 35, no. 1, pp. 413-415. https://doi.org/10.1016/j.bios.2011.08.030
Feng, Yujie ; Shi, Xinxin ; Wang, Xin ; Lee, He ; Liu, Jia ; Qu, Youpeng ; He, Weihua ; Kumar, S. M Senthil ; Kim, Byung Hong ; Ren, Nanqi. / Effects of sulfide on microbial fuel cells with platinum and nitrogen-doped carbon powder cathodes. In: Biosensors and Bioelectronics. 2012 ; Vol. 35, No. 1. pp. 413-415.
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