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Process for the electrolytic formation of lead dioxide solar absorption coating

Patent ·
OSTI ID:6204612

A solar energy collector surface, the effectiveness of which as a collector is relatively independent of incident angle, comprises a textured surface of lead dioxide electrodeposited in such a manner to produce a multiplicity of upwardly protruding platelets. The electrode-position technique comprises an initial nucleation stage in which a relatively high overpotential is applied for a short period of time and a subsequent oriented growth stage in which a lower overpotential is applied for a longer period of time than in the first stage.

Assignee:
Ametek, Inc.
Patent Number(s):
US 4139426
OSTI ID:
6204612
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
141000* -- Solar Collectors & Concentrators
ABSORPTIVITY
CHALCOGENIDES
COATINGS
CRYSTALS
DENDRITES
DEPOSITION
ELECTRODEPOSITED COATINGS
ELECTRODEPOSITION
ELECTROLYSIS
EMISSIVITY
FABRICATION
LEAD COMPOUNDS
LEAD OXIDES
LYSIS
MONOCRYSTALS
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SOLAR ABSORBERS
SOLAR COLLECTORS
SPECTRALLY SELECTIVE SURFACES
SURFACE COATING
SURFACE PROPERTIES
SURFACES
WHISKERS