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Self-Starting DC:DC Boost Converter for Low-Power and Low-Voltage Microbial Electric Generators

Abstract : This paper describes and evaluates an original boost converter able to harvest energy from low-power and lowvoltage power sources. Design and sizing are made according to specifications issued from the stringent characteristics of microbial electric generators such as microbial fuel cells and microbial desalination cells. The harvested power is 10mW under input voltage Vin=0.3V (33mA input current). The design of the converter is adapted from a classical boost topology. It includes a self-oscillating circuit for autonomous operation, and a simple analog maximum power point regulation. Measurements of the conceived discrete realization enable evaluation of the circuit. Best global efficiency of 74% is achieved under realistic harvesting conditions.
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https://hal.archives-ouvertes.fr/hal-00638164
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Submitted on : Friday, November 4, 2011 - 9:56:28 AM
Last modification on : Thursday, January 28, 2021 - 4:55:51 PM
Long-term archiving on: : Thursday, March 30, 2017 - 6:49:12 PM

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Nicolas Degrenne, François Buret, Florent Morel, Salah-Eddine Adami, Denis Labrousse, et al.. Self-Starting DC:DC Boost Converter for Low-Power and Low-Voltage Microbial Electric Generators. ECCE, Sep 2011, Phoenix, AZ, United States. pp.889-896, ⟨10.1109/ECCE.2011.6063865⟩. ⟨hal-00638164⟩

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