Intermediate Temperature Electrolysers

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Abstract

The well-established electrolysers belong either to the low temperature class, working at temperatures up to ca. 100 °C (the alkaline electrolyser and the PEM electrolyser) or to the high temperature class, operating at temperatures of ca. 600 °C and above (the solid oxide electrolyser). Intermediate temperature refers to the wide temperature gap between these temperatures. In this chapter, some overarching reflections on the implications of operating electrolysers at intermediate temperatures are followed by three examples of such technologies. The examples chosen are an alkaline electrolyser working at 200–250 °C, a PEM electrolyser working at 120–130 °C and a system based on solid or molten phosphates aiming at CO2 reduction at 200–350 °C.
Original languageEnglish
Title of host publicationElectrochemical Methods for Hydrogen Production
EditorsKeith Scott
PublisherRoyal Society of Chemistry
Publication date2020
Pages253-285
Chapter7
ISBN (Print)978-1-78801-378-9
ISBN (Electronic)978-1-83916-007-3
DOIs
Publication statusPublished - 2020
SeriesRsc Energy and Environment Series
ISSN2044-0782

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