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Keywords:

  • Fuel cells;
  • Biocathode;
  • Portable power;
  • Biofuel cell

Abstract

The key operating characteristics of biofuel cells, high energy density and low power delivery, make them ideal power choices for military, industrial, and niche wireless sensor network applications. There is virtually universal demand for higher energy power supplies for wireless sensors to enable longer operation, more frequent data capture, and higher bandwidth sensing techniques such as video. Advanced biofuel cell technology has been demonstrated for such applications that is capable of 2–4×increase in energy density compared to incumbent batteries of a similar size.