Abstract

This chapter provides background and reviews recent advances in microfluidic fuel cells. In microfluidic fuel cells, all components and functions including fluid delivery, reaction sites, and electrodes are confined to a microfluidic channel. Microfluidic fuel cells typically operate in a co-laminar flow configuration without a physical barrier, such as a membrane, to separate the anode and the cathode. The chapter covers the theory, fabrication, unit cell development, performance achievements, design considerations, and scale-up options of microfluidic fuel cells, and examines the advances in these areas with particular emphasis on microfluidic fuel cell architectures. Furthermore, relevant microfluidic biofuel cell developments are described, particularly as they present opportunities for future work in this multidisciplinary field. Looking ahead, the main opportunities and challenges associated with the technology are described along with suggested directions for further research and development.

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