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Proceedings Paper

Electrodeposited nickel-cobalt thin films for photothermal conversion of solar energy
Author(s): N. Karuppiah; S. John; Sanjay S. Natarajan; V. Sivan
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Paper Abstract

The development of electrodeposited selective nickel-cobalt black coating for solar thermal energy conversion is described. Optimized electrolyte composition and operating conditions are standardized by use of Hull cell. Ammonium acetate has been used as a complexing agent to produce quality black coating with good optical properties. The present system produces black coatings in the current density range from 4 to 8 A/dm2. Optimized coating possesses solar absorptance (varies direct as) of 0.96 and thermal emittance ((Epsilon) ) of 0.11.

Paper Details

Date Published: 1 December 1991
PDF: 7 pages
Proc. SPIE 1536, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion X, (1 December 1991); doi: 10.1117/12.49226
Show Author Affiliations
N. Karuppiah, Central Electrochemical Research Institute (India)
S. John, Central Electrochemical Research Institute (India)
Sanjay S. Natarajan, Regional Engineering College (India)
V. Sivan, Regional Engineering College (India)


Published in SPIE Proceedings Vol. 1536:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion X
Carl M. Lampert; Claes G. Granqvist, Editor(s)

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