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Researchers developed a microsized microbial fuel cell with a volume of 40 μL, but achieved modest power density due to assembly and feeding system limitations.

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What they did

System
MFC

What worked

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Abstract

Abstract We have developed a sustainable, single feeding, microsized, air‐cathode and membrane‐free microbial fuel cells with a volume of 40 μL each, which we have used for rapid evaluation of power generation and viability of a series array of three cells seeking higher voltage levels. Contrary to expectations, the achieved power density was modest (45 mW m −3 ), limited due to non‐uniformities in assembly and the single‐channel feeding system.

Key findings

  • Power density was limited to 45 mW m⁻³
  • Non-uniformities in assembly contributed to power degradation
  • Single-channel feeding system was a limiting factor

Keywords

Microbial fuel cellDegradation (telecommunications)CathodePower densityPower (physics)Voltage

Identifiers

DOI
10.1002/ente.201402035
Journal
Energy Technology
Year
2014