Quasi-equilibrium oxygen release from oxides used as electrodes in solid oxide fuel cells and electrolyzers

Мұқаба

Дәйексөз келтіру

Толық мәтін

Аннотация

The dependence of oxygen stoichiometry on the oxygen partial pressure and the temperature for La- and Nb-doped strontium ferrite La0.4Sr0.6Fe0.95Nb0.05O3 – δ (LSFNb5) was studied by quasi-equilibrium oxygen release (QEOR) method. The equilibrium diagram in the coordinates “T – lg(pO2 ) – 3 – δ” in the temperature range of 700–900°C and oxygen partial pressures pO2 = 10–4 – 0.2 atm was obtained. The range of stoichiometry deviation was determined, and the thermodynamic parameters of the oxygen release process were analyzed.

Авторлар туралы

Veronika Mamonova

Institute of Chemistry of a Solid body and Mechanochemistry of the Siberian Branch of RAS; Novosibirsk State University

ORCID iD: 0009-0001-3584-7012
18, Kutateladze St., Novosibirsk, 630128

Elena Shubnikova

Institute of Chemistry of a Solid body and Mechanochemistry of the Siberian Branch of RAS

ORCID iD: 0000-0002-8595-7121
18, Kutateladze St., Novosibirsk, 630128

Marina Arapova

Institute of Chemistry of a Solid body and Mechanochemistry of the Siberian Branch of RAS

ORCID iD: 0000-0003-3103-904X
18, Kutateladze St., Novosibirsk, 630128

Olga Bragina

Institute of Chemistry of a Solid body and Mechanochemistry of the Siberian Branch of RAS

ORCID iD: 0000-0003-2356-5808
18, Kutateladze St., Novosibirsk, 630128

Alexander Nemudry

Institute of Chemistry of a Solid body and Mechanochemistry of the Siberian Branch of RAS

ORCID iD: 0000-0003-3698-9124
18, Kutateladze St., Novosibirsk, 630128

Әдебиет тізімі

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