Improved Performance of a Novel-Model Laccase Based Microbial Fuel Cell (LB-MFC) with Edible Mushroom as a Whole-Cell Biocatalyst

Edible mushroom laccase is a fascinating extracellular enzyme owing to its simple operation. This research examined (a) the electrochemical properties of a single-chamber microbial fuel cell with two edible mushrooms ( Pleurotus pulmonarius and Coprinus fimetarrius ), and (b) the laccase activity of edible mushrooms grown in spent mushrooms as a low-cost substrate. The results revealed that the single-chamber MFC with P. pulmonarius achieved a maximum open-circuit voltage of 940.00±10.00 mV, a maximum current density of 97.14±2.86 mA/m 2 , and a PD of 13.22±0.78 mW/m 2 . When P. pulmonarius was cultured in a sawdust substrate without chemical addition, laccase activity of 155.17±0.10 U/mL was obtained. There has been no previous report of electricity generation from a membrane-less single-chamber MFC using P. pulmonarius mycelium cultured on sawdust substrate as a whole-cell cathode catalyst.

• Publication year

  2022

• Venue

  Polish Journal of Environmental Studies

• Publication date

  2022-06-06

• Fields of study

  Not labeled

• Identifiers
  DOI 10.15244/pjoes/147196
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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