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A high-power carbohydrate fuel cell

Author

Listed:
  • Larsson, Ragnar
  • Folkesson, Börje
  • Spaziante, Placido M.
  • Veerasai, Waret
  • Exell, Robert H.B.

Abstract

This paper reports the development of a fuel cell consisting of a vanadium flow battery in which the vanadium ions are reduced by sugar (from a carbohydrate) to oxidation state +3 on one side of a membrane, and are oxidized to state +5 on the other side by oxygen. The theoretical upper limit to the conversion efficiency of the energy in sugar by this method under standard conditions is 54%. We have obtained efficiencies up to 45% in our laboratory tests. This way of using biomass for electricity production avoids the Carnot cycle losses in heat engines.

Suggested Citation

  • Larsson, Ragnar & Folkesson, Börje & Spaziante, Placido M. & Veerasai, Waret & Exell, Robert H.B., 2006. "A high-power carbohydrate fuel cell," Renewable Energy, Elsevier, vol. 31(4), pages 549-552.
    • Handle: RePEc:eee:renene:v:31:y:2006:i:4:p:549-552
    DOI: 10.1016/j.renene.2005.04.006
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    Cited by:

    1. Read, Adam & Hansen, Dane & Aloi, Sekoti & Pitt, William G. & Wheeler, Dean R. & Watt, Gerald D., 2012. "Monoalkyl viologens are effective carbohydrate O2-oxidation catalysts for electrical energy generation by fuel cells," Renewable Energy, Elsevier, vol. 46(C), pages 218-223.
    2. Yang, Chun & Cao, Wei-Qin & Ji, Xiao-Feng & Wang, Jian & Zhong, Tao-Lin & Wang, Yu & Zhang, Qing, 2020. "In situ fuel phosphorylation facilitates the complete oxidation of glycerol in direct biomass cells," Renewable Energy, Elsevier, vol. 146(C), pages 699-704.
    3. Watt, Gerald D. & Hansen, Dane & Dodson, Daniel & Andrus, Merritt & Wheeler, Dean, 2011. "Electrical energy from carbohydrate oxidation during viologen-catalyzed O2-oxidation: Mechanistic insights," Renewable Energy, Elsevier, vol. 36(5), pages 1523-1528.
    4. Ouyang, Denghao & Wang, Fangqian & Hong, Jinpeng & Gao, Daihong & Zhao, Xuebing, 2021. "Ferricyanide and vanadyl (V) mediated electron transfer for converting lignin to electricity by liquid flow fuel cell with power density reaching 200 mW/cm2," Applied Energy, Elsevier, vol. 304(C).

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