Machines. Technologies. Materials.
Vol. 19 (2025), Issue 10, pg(s) 362-365

MACHINES

Green waste composter with energy cogeneration – energy storage and utilization

  • 1 University of Mining and Geology, Bulgaria

Abstract

Microbial fuel cells (MFCs) have significant potential for sustainable energy production and waste management, but despite this, they are still not widely commercialized due to several main reasons, such as relatively low power generation, technical challenges, scalability, and others. In the present study, we tested the possibilities for storage and utilization of energy from our developed green waste composter with cogeneration of energy. The composter consists of 24 stacked solid phase microbial fuel cells. The generated energy was increased through a voltage boost converter and used for charging batteries, power banks, and low-energy consumption devices. The composter demonstrated stable operation, and the obtained results regarding the storage and utilization of the energy generated by it are promising for its commercialization.

Keywords

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