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Ecological and Economic Evaluation of Hydrogen Production by Different Water Electrolysis Technologies
Author(s) -
Tenhumberg Nils,
Büker Karsten
Publication year - 2020
Publication title -
chemie ingenieur technik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.365
H-Index - 36
eISSN - 1522-2640
pISSN - 0009-286X
DOI - 10.1002/cite.202000090
Subject(s) - hydrogen production , electrolysis of water , renewable energy , electrolysis , power to gas , production (economics) , environmental science , alkaline water electrolysis , carbon footprint , natural resource economics , environmental engineering , environmental economics , hydrogen , waste management , greenhouse gas , ecology , engineering , chemistry , economics , macroeconomics , organic chemistry , electrode , electrolyte , biology
The economic and ecological production of green hydrogen by water electrolysis is one of the major challenges within Carbon2Chem® and other power‐to‐X projects. This paper presents an evaluation of the different water electrolysis technologies with respect to their specific energy demand, carbon footprint and the forecast production costs in 2030. From a current perspective alkaline water electrolysis is evaluated as the most favorable technology for the cost‐effective production of low‐carbon hydrogen with fluctuating renewables.