A high-power carbohydrate fuel cell

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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. (c) 2005 Elsevier Ltd. All rights reserved.

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Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Kemiteknik

Nyckelord

Originalspråkengelska
Sidor (från-till)549-552
TidskriftRenewable Energy
Volym31
Utgåva nummer4
StatusPublished - 2006
PublikationskategoriForskning
Peer review utfördJa