Alternative materials for solid oxide fuel cells: Chromite interconnections
This research and development is directed to modification of state-of-art and to development of analogous and alterative materials as solid oxide fuel cells electrodes and interconnections and consists of three tasks: electrical and thermal properties of state-of-the-art and alternative interconnection materials as functions of composition, structure, synthesis and processing methods; materials synthesis and processing methods to produce state-of-the-art and alternative interconnection chromite and manganite materials that can be sintered in air below 1550{degrees}C without the use of additives; and Electrochemical behavior of materials interfaces to understand the kinetics and electro-chemical and chemical processes. This report discusses R D directed toward understanding the factors that affect air sinterability, sintering mechanisms and the thermal expansion of La{sub 1-x}Sr{sub x}CrO{sub 3} and Y{sub 1-x}Ca{sub x}CrO{sub 3}. 8 refs., 6 figs.
- Research Organization:
- Pacific Northwest Lab., Richland, WA (USA)
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (USA)
- DOE Contract Number:
- AC06-76RL01830
- OSTI ID:
- 5715302
- Report Number(s):
- PNL-SA-19561; CONF-9105223--1; ON: DE91014447
- Country of Publication:
- United States
- Language:
- English
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Components
& Auxiliaries
36 MATERIALS SCIENCE
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360204 -- Ceramics
Cermets
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ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CHEMISTRY
CHROMIUM COMPOUNDS
CHROMIUM OXIDES
CRYSTAL STRUCTURE
DENSITY
DIRECT ENERGY CONVERTERS
ELECTROCHEMICAL CELLS
ELECTROCHEMISTRY
ELECTRODES
EXPANSION
FABRICATION
FUEL CELLS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
POWDERS
RARE EARTH COMPOUNDS
SINTERING
SOLID ELECTROLYTE FUEL CELLS
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
THERMAL EXPANSION
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES