Modelling and simulation of H2-blended NG powered SOFC for heat and power generation applications

Seema Bharati, B. Sai Mukesh Reddy, Subodh Purohit, Ibha Kalita, Dadasaheb J. Shendage, Pankaj Tiwari and Senthilmurugan Subbiah

Applied Energy, 2025, vol. 390, issue C, No S0306261925005975

Abstract: This study presents a detailed modelling and simulation of a Solid Oxide Fuel Cell (SOFC) system powered by hydrogen (H₂) blended with natural gas (NG). The model, validated with experimental data from pure NG operation, predicts system performance with an average error of 1.46 %. Simulations were conducted for two cases of hydrogen blending: before and after the reformer. A 5 % by volume H₂ blend before the reformer increases power generation by 0.9 – 1 % and thermal output by 0.15 %, while post-reformer blending results in a 1.5 – 3 % increase in power generation and a 1.4 % rise in thermal output along with reduced CO2 emission.

Keywords: SOFC; Combined heat and power; H2 blending; SOFC system modelling; Techno-economic analysis; SOFC power evaluation; SOFC applications (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.apenergy.2025.125867

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