Performance and stability of a critical raw materials-free anion exchange membrane electrolysis cell

Performance and stability of a critical raw materials-free anion exchange membrane electrolysis cell

•High AEM electrolysis performance is achieved with non-critical raw materials.•AEM electrolysis durability is assessed for 2000 h.•Reversible losses are recorded during start up and shutdown cycles.•Energy efficiency close to 80% is achieved at 1 A cm−2 for AEM electrolysis.•Operation with KOH conc...

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Veröffentlicht in:Electrochimica acta 2022-05, Vol.413, p.140078, Article 140078
Hauptverfasser: Campagna Zignani, S., Faro, M. Lo, Carbone, A., Italiano, C., Trocino, S., Monforte, G., Aricò, A.S.
Format: Artikel
Sprache:eng
Schlagworte:
Anion exchange membrane water electrolysis
Anion exchanging
Anodes
Catalysts
Cathodes
Critical raw materials free electrocatalysts
Crystallites
Current density
Durability
Electric potential
Electrocatalysts
Electrolysis
Hydrogen
Intermetallic compounds
Iron compounds
Membranes
Nickel compounds
Raw materials
Shutdowns
Stability
Steady state
Strategic materials
Supported NiMo alloy
Unsupported NiFe-oxide electrocatalyst
Voltage
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Zusammenfassung:•High AEM electrolysis performance is achieved with non-critical raw materials.•AEM electrolysis durability is assessed for 2000 h.•Reversible losses are recorded during start up and shutdown cycles.•Energy efficiency close to 80% is achieved at 1 A cm−2 for AEM electrolysis.•Operation with KOH concentration
ISSN:0013-4686
1873-3859
DOI:10.1016/j.electacta.2022.140078