Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 46, Issue 4, Pages 3105-3123Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.07.019
Keywords
Sustainable energy; Microbial fuel cells; Microfluidics; Enzymatic biofuel cells; Sensors
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Microfluidic microbial fuel cells have been identified as a portable, green energy source for microelectronics, offering higher performance and improved reaction rates compared to conventional fuel cells. However, there are still some notable disadvantages that need to be addressed in order to commercialize the technology.
Over the years, there has been a substantial increase in the demands of a portable, green source of energy for powering microelectronics to be used as sensors, medical implants and other lab-on-chip devices. Microfluidic microbial fuel cells have been identified as a genuine option to address these requirements. These cells operating at microscale level are characterised by laminar flow of fuel and oxidant which eradicates the requirement of a membrane ensuring higher performance and improved reaction rates than conventional fuel cells. Owing to these advantages, microsized microbial fuel cells have been extensively used to design micro power sources for environmental biosensors, point-of-care diagnostics, medical implants. However, the microfluidic microbial fuel cell technology suffers from some noteworthy disadvantages which need to be addressed before the commercialization of technology. The review comprehensively discusses the development, and advancements in microfluidic microbial fuel cell technology followed by their current applications, challenges, the possible solutions and future prospects. (c) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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