Durability + Design
 
About  |  Subscribe  |  Advertise  |  Connect 
Follow us on Twitter Like us on Facebook

 

Download our free eBook on Fire Resistive Coating sponsored by Shield Industries Inc.

D+D News

Main News Page


Solar Panels Paint a Better Black

Friday, August 1, 2014

More items for Coatings Technology

Comment | More

Swiss researchers have created a coating for solar thermal panels that is greener than current coatings and may last as long as the panel itself.

Using a stronger black coating made of three different materials, the researchers at the Swiss Federal Institute of Technology in Lausanne (EPFL), Switzerland, say they may be able to extend the life of the coating to the 25-year life of the panels.

The New Coating

Traditional solar panels are coated with black chromium, which can be toxic, the Daily Fusion reports.

But black is the key element of thermal panels, as it absorbs 90 percent of the energy it receives.

Quentin Bowen / U.S. Navy

A new black coating for solar thermal panels developed by Swiss researchers is less toxic and far more durable than current options, the team says.

Martin Joly, of the Laboratory of Solar Energy and Building Physics, developed a nanocrystalline coating that boasts exceptional resistance to high temperatures, better light absorption than chromium, and less toxicity.

Joly’s multilayer composite can withstand temperatures of 680 degrees Fahrenheit. The layers are cobalt, for corrosion resistance; manganese, for blackness; and copper, for thermal conductivity,

“The durability of our materials at temperatures exceeding 360 °C could also be of interest to thermal power plants,” Andreas Schüler, head the research team, told the Daily Fusion.

Under the current method, light and heat deteriorate the black chromium coating, making the thermal panels less efficient.

The Process

To cast the elements into layers, the researchers had to work in full scale.

Achieving this meant building their own machines. 

EPFL

Researcher Martin Joly developed the new thermal coating process that applies cobalt, manganese, and copper in layers.

“When researching nanoparticles, you normally use samples. For us, we set the challenge to coat two-meters-long stainless-steel tubes,” Schüler said.

Each layer was deposited by dripping, then heated by induction to evaporate the carbon to fix the elements.

This process is rapid and more energy efficient than current methods—so much so that the researchers are seeking to patent it.

   

Tagged categories: Energy efficiency; Research; Solar; Solar energy

Comment from dennis nelson, (8/1/2014, 10:34 AM)

where do I buy it


Comment from Tom Schwerdt, (8/4/2014, 8:23 AM)

I would expect it to take 5-10 years to go from the lab to large-scale commercial production. If it does. Lots of developments look good in the lab, but can't be commercialized.


Comment Join the Conversation:

Sign in to our community to add your comments.

Pratt & Lambert Paints
THE PREMIUM STANDARD FOR PROFESSIONAL PAINTERS

Pro-Hide® Gold Ultra is the ideal paint for your customers and your business. It delivers a beautiful finish, outstanding hide, easy application and excellent touch-up. And now pros can bid on even more jobs, because Pro-Hide Gold Ultra is MPI® Approved for interior gloss levels 1-5.


Graco Inc.
Eco-Friendly Surface Prep

• Blast with 92% less dust
• Use less media
• Less containment & disposal costs
Graco® EcoQuip® Vapor Abrasive® Blast Equipment Learn more


Atlas Material Testing Technology

Helping You Put Your Products To The Test

• Outdoor Accelerated
Weathering
• Laboratory Testing
Services
• Accelerated Weathering
Instruments

www.atlas-mts.com atlas.info@ametek.com


Seymour Midwest
Coating Application Tools & Supplies

Visit our “Where to Buy” site to find a local paint or tool supplier near you. Click here for a chance to win $500 of Tools & Supplies. 1(844)739-6687 Sales@SeymourMidwest.com


KTA-Tator, Inc. - Corporate Office
KTA Analyzes
Coating Failures

• Field Diagnosis
• Lab Diagnosis
• Determination of Cause
• Recommendations
www.kta.com
800-245-6379


Keim Mineral Coatings
Color/Protection for Concrete that Won’t Peel

Concretal® Stains & Finishes penetrate, forming permanent chemical bonds within that can never peel. And mineral pigments don't fade-no matter how harsh the exposure.


PPG Pittsburgh Paints
Wonder-Tones

Our high-quality interior paint is versatile and has excellence washability and durability. It is an all-purpose solution for multiple interiors, including walls, trim, properly prepared drywall, plaster, masonry, primed metal and wood.

 
 
 

Technology Publishing Co., 2100 Wharton Street, Suite 310, Pittsburgh PA 15203-1951

TEL 1-412-431-8300  • FAX  1-412-431-5428  •  EMAIL webmaster@durabilityanddesign.com


The Technology Publishing Network

Durability + Design PaintSquare the Journal of Protective Coatings & Linings Paint BidTracker

 

© Copyright 2012-2016, Technology Publishing Co., All rights reserved