Sugar battery

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A sugar battery is an enzymatic biofuel cell that uses a maltodextrin solution as a fuel to directly generate electricity. An advantage of this type of biofuel technology is that it can provide constant energy density since it is derived from compounds.[1] A sugar fuel cell can have a complete conversion of glucose and maltodextrin to carbon dioxide if there is a total of 13 enzymes and 2 co-factors in the anode compartment.[2]

In 2014, researchers at Virginia Tech published their research on a new kind of glucose fueled fuel cell that improves efficiency over previous cells, resulting in a total energy density closely competing with lithium-ion batteries.[3] The new cell have a potential energy density of 596 Ah kg−1, which is higher than lithium-ion batteries. If these fuel cells are proven, they could be used as soon as three years from now.[4] These fuel cells can be used to power a cell phone for ten days, unlike the current lithium-ion batteries that can only be used for one day.[5]

Sony was also able to successfully develop a sugar-based biofuel cell that does not require mixing or convection of the glucose solution or air movement.[6] This was achieved through a passive-type cell that works by simply supplying sugar solution to the battery.[6]

See also[edit]


  1. ^ Zhang, John X. J.; Hoshino, Kazunori (2018). Molecular Sensors and Nanodevices: Principles, Designs and Applications in Biomedical Engineering. London: Academic Press. p. 529. ISBN 9780128148631.
  2. ^ Abraham, Martin (2017). Encyclopedia of Sustainable Technologies. Amsterdam: Elsevier. p. 550. ISBN 9780128047927.
  3. ^ "A high-energy-density sugar biobattery based on a synthetic enzymatic pathway", Nature Communications, 21 January 2014
  4. ^ "Re-chargable sugar-based battery outperforms lithium ion, researchers say" Archived 2014-01-29 at the Wayback Machine, Canadian Manufacturing, 22 January 2014
  5. ^ New bio-batteries running on sugar may replace lithium-ion batteries, NDTV Gadgets, 3 March 2014
  6. ^ a b Madou, Marc J. (2011). From MEMS to Bio-MEMS and Bio-NEMS: Manufacturing Techniques and Applications. Boca Raton, FL: CRC Press. p. 489. ISBN 9781439895245.