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A new strategy for long-lasting portable MFCs is proposed, using a synthetic solid anolyte (SSA) to overcome hydraulic pump system and biochemical substrate retrieval issues.

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What they did

System
MFC

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Abstract

AbstractFor the development of long lasting portable microbial fuel cells (MFCs) new strategies are necessary to overcome critical issues such as hydraulic pump system and the biochemical substrate retrieval overtime to sustain bacteria metabolism. The present work proposes the use of a synthetic solid anolyte (SSA), constituted by agar, carbonaceous and nitrogen sources dissolved into diluted seawater. Results of a month-test showed the potential of the new SSA-MFC as a long lasting low energy consuming system.

Key findings

  • SSA-MFC showed potential as a long-lasting low energy consuming system
  • Month-long test demonstrated feasibility of SSA-MFC
  • SSA-MFC overcomes critical issues of hydraulic pump system and biochemical substrate retrieval

Keywords

Microbial fuel cellSeawaterEnergy sourceSubstrate (aquarium)MicroorganismBacteria

Identifiers

DOI
10.1038/srep29091
Journal
6, 2002–2013
Year
2016