Development of a micro-combined heat and power powered by an opposed-piston engine in building applications

Zhiming Gao (), Philip Zoldak, Jacques Beaudry-Losique, Tony Mannarino, Jonathan Mansinger, Maysam Molana, Mingkan Zhang, Praveen Cheekatamarla, Ahmed Abuheiba, Hailin Li, Brian Fricke and Kashif Nawaz
Additional contact information
Zhiming Gao: Oak Ridge National Laboratory
Philip Zoldak: Enginuity Power Systems
Jacques Beaudry-Losique: Enginuity Power Systems
Tony Mannarino: Enginuity Power Systems
Jonathan Mansinger: Enginuity Power Systems
Maysam Molana: Enginuity Power Systems
Mingkan Zhang: Oak Ridge National Laboratory
Praveen Cheekatamarla: Oak Ridge National Laboratory
Ahmed Abuheiba: Oak Ridge National Laboratory
Hailin Li: West Virginia University
Brian Fricke: Oak Ridge National Laboratory
Kashif Nawaz: Oak Ridge National Laboratory

Nature Communications, 2024, vol. 15, issue 1, 1-13

Abstract: Abstract Residential homes and light commercial buildings usually require substantial heat and electricity simultaneously. A combined heat and power system enables more efficient and environmentally friendly energy usage than that achieved when heat and electricity are produced in separate processes. However, due to financial and space constraints, residential and light commercial buildings often limit the use of traditional large-scale industrial equipment. Here we develop a micro–combined heat and power system powered by an opposed-piston engine to simultaneously generate electricity and provide heat to residential homes or light commercial buildings. The developed prototype attains the maximum AC electrical efficiency of 35.2%. The electrical efficiency breaks the typical upper boundary of 30% for micro–combined heat and power systems using small internal combustion engines (i.e.,

Date: 2024
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DOI: 10.1038/s41467-024-48627-0

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