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

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

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.

Suggested Citation

  • Chen, Qing-Yun & Fu, Rong & Fang, Xiao-Wen & Cai, Wen-Fang & Wang, Yun-Hai & Cheng, Shao-An, 2015. "Cr-methanol fuel cell for efficient Cr(VI) removal and high power production," Applied Energy, Elsevier, vol. 138(C), pages 31-35.
    • Handle: RePEc:eee:appene:v:138:y:2015:i:c:p:31-35
    DOI: 10.1016/j.apenergy.2014.10.053
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    References listed on IDEAS

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    Cited by:

    1. Kim, Jung Hwan & Park, I Seul & Park, Joo Yang, 2015. "Electricity generation and recovery of iron hydroxides using a single chamber fuel cell with iron anode and air-cathode for electrocoagulation," Applied Energy, Elsevier, vol. 160(C), pages 18-27.

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