Life cycle assessment of domestic fuel cell micro combined heat and power generation: Exploring influential factors |
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| Affiliation: | 1. State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230027, PR China;2. School of Civil Engineering, Hefei University of Technology, Hefei 230009, PR China;3. Anhui International Joint Research Center on Hydrogen Safety, Hefei, 230009, China;1. School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing, PR China;2. School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, PR China;1. Graduate School, Inha University, Incheon 22212, Republic of Korea;2. Dept. of Mechanical Engineering, Inha University, Incheon 22212, Republic of Korea;1. University of Florence, Via S. Marta 3, 50139, Florence, Italy;2. Niccolò Cusano University, Via Don Carlo Gnocchi 3, 00166, Rome, Italy |
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| Abstract: | Residential Fuel Cell micro combined heat and power (FC-μCHP) systems can help decarburizing the energy system. In the European ene.field project, the environmental performance of FC-μCHP under different conditions was therefore evaluated by means of a comprehensive Life Cycle Assessment (LCA). Important influential factors were explored, i.e. heating demands, full load hours (FLHs) and electricity replacement mixes (ERMs). The systems were compared with a stand-alone Gas Condensing Boiler (GCB) and a heat pump (HP, only in single family homes, SFHs). For the initially assumed FLHs and the current ENTSO-E ERM, relevant environmental impacts including climate change are generally smaller for the FC-μCHPs than for the HP and the stand-alone GCB. In the setting “existing SFHs in central climate” with the highest deployment potential, GHG emission savings are higher the more carbon-intensive the ERM is and/or higher the net electricity export into the grid is. The results are discussed and put into perspective. Further research demands as well as product development opportunities are outlined. The importance of a green hydrogen economy is emphasized. |
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| Keywords: | Fuel cell Combined heating and power (CHP) Life cycle assessment (LCA) Greenhouse gas (GHG) emissions Buildings Residential heating |
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