A modelling approach to assessing the feasibility of the integration of power stations with steam electrolysers

摘要: Abstract Hydrogen, combined with fuel cell technology, is an option for reducing our reliance on hydrocarbon-based fuels. Solid oxide electrolyser cells (SOECs) have been studied as a possible technology to produce hydrogen from steam. As the current global energy mix heavily reliant fuels, utilising existing technologies such coal fired power plants, SOECs in integrated system, may enable path towards carbon dioxide emissions well creating way of introducing ‘cleaner’ fuel. In this work, steady state model SOEC was developed and used assess feasibility using hot steam plant feed SOEC. The main objective study ways improving efficiency. most favourable extract prior intermediate pressure turbine, which showed efficiency improvement 25% compared conventional operation heating water at 25 °C. thermoneutral point 4644 A m−2 shown be guide assessing design options heat integration possibilities after point. For scenarios 7% extraction purely H2 production plant, 250 MW (7500 kg h−1) 290 MW (8700 kg h−1) can produced sized 43,300 50,100 m2, respectively.