Cr-methanol fuel cell for efficient Cr(VI) removal and high power production

  • Qing Yun Chen
  • , Rong Fu
  • , Xiao Wen Fang
  • , Wen Fang Cai
  • , Yun Hai Wang
  • , Shao An Cheng

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

A novel Cr-methanol fuel cell was designed to remove Cr(VI) with simultaneous electricity production. In this design, methanol was oxidized on anode, while Cr(VI) was reduced on cathode. With 2molL-1 sodium hydroxide as anolyte and 0.1molL-1 sodium sulfate as catholyte, the power density output of as high as 903Wm-2 with external resistance of 15Ω at 45°C could be obtained. More than 91% Cr(VI) could be reduced in one single cycle of around 400min. What is more, the presented electrochemical cell can steadily run in wide temperature ranges from -14°C to 45°C. Our results also demonstrated that the proposed Cr-methanol fuel cell had potential application for Cr(VI) removal with simultaneous electricity production.

Original languageEnglish
Pages (from-to)31-35
Number of pages5
JournalApplied Energy
Volume138
DOIs
StatePublished - 5 Jan 2015

Keywords

  • Chromium
  • Electricity
  • Electrochemical
  • Methanol
  • Wastewater

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