SOFC cathode material based on rare earth cobaltites

Book · Sat Dec 30 23:00:00 EST 1995

OSTI ID:242504

Kharton, V V; Naumovich, E N; Vecher, A A; Nikolaev, A V ^[1]

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1. Belarus State Univ., Minsk (Belarus). Inst. of Physico-Chemical Problems

The electrical conductivity and oxygen permeability Ln{sub 1{minus}x}Sr{sub x}CoO{sub 3{minus}{delta}} (Ln = Pr, Nd, Sm, Gd; x = 0--0.5) and La{sub 1{minus}x}Sr{sub x}CoO{sub 3{minus}{delta}} (x = 0--1.0) ceramics were measured. The thermal expansion and crystal structure of cobaltites was investigated. It was found that ionic conductivity of cobaltites decreases in the La > Pr > Nd sequence.

• OSTI ID: 242504
• Report Number(s): CONF-950683--; ISBN 1-56677-095-5
• Country of Publication: United States
• Language: English

Related Subjects

30 DIRECT ENERGY CONVERSION
36 MATERIALS SCIENCE
ACTIVATION ENERGY
CATHODES
COBALT OXIDES
CRYSTAL STRUCTURE
DIFFUSION
ELECTRIC CONDUCTIVITY
EXPERIMENTAL DATA
GADOLINIUM OXIDES
LANTHANUM OXIDES
NEODYMIUM OXIDES
OXYGEN
PERMEABILITY
PRASEODYMIUM OXIDES
SAMARIUM OXIDES
SOLID ELECTROLYTE FUEL CELLS
STRONTIUM OXIDES
SYNTHESIS
THERMAL EXPANSION
X-RAY DIFFRACTION