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Keywords:

  • Photomicrobial fuel cell;
  • Microbial solar cell;
  • Photo hydrogen;
  • Bioelectrochemical systems;
  • Algae;
  • Fuel cells

Abstract

Microbial solar cells and photomicrobial fuel cells exploit the energy of light and the activity of phototrophic microorganisms to produce electricity. Whereas microbial solar cells use light as the sole energy source, photomicrobial fuel cells degrade organic matter in the presence of light. This review gives an overview about the recent developments in the field of microbial based photobiological fuel cells and microbial solar cells. It provides an insight into possible electron transfer mechanisms and elementary photobiological reaction pathways. A short outline of upcoming engineering issues is provided.