Process for making a selective absorber for a solar collector and selective absorber obtained

Patent · Tue Apr 24 00:00:00 EST 1984

OSTI ID:6517159

Aries, L; Traverse, J P

The invention concerns a fabrication process for a selective absorber of a solar collector to achieve a solar-radiation collection-surface with high absorptivity and low emissivity. The collector surface is made of an iron alloy containing chrome and is immersed in an acid bath containing oxygen atoms and at least one metalloid substance based on sulfur, selenium and/or tellurium; beforehand, the state of the collector surface is adjusted for activation.

• Assignee: Agence Nationale de Valorisation de la Recherche ANVAP (France)
• Patent Number(s): US 4444600
• OSTI ID: 6517159
• Resource Relation: Patent Priority Date: Priority date 8 Jul 1981, France; Other Information: PAT-APPL-486959
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
SOLAR ABSORBERS
BLACK COATINGS
FABRICATION
SPECTRALLY SELECTIVE SURFACES
SOLAR COLLECTORS
ABSORPTIVITY
ACIDIZATION
CHEMICAL ACTIVATION
ION EXCHANGE
OXYGEN
SELENIUM
SULFUR
SURFACE COATING
TELLURIUM
COATINGS
DEPOSITION
ELEMENTS
EQUIPMENT
NONMETALS
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
SEMIMETALS
SOLAR EQUIPMENT
SURFACES
141000* - Solar Collectors & Concentrators