Breaking News
News & Analysis

Black solar cells have lowest reflectance for silicon solar cells

5/29/2012 12:28 PM EDT
4 comments
NO RATINGS
More Related Links
View Comments: Newest First | Oldest First | Threaded View
Sanjib.A
User Rank
CEO
re: Black solar cells have lowest reflectance for silicon solar cells
Sanjib.A   5/31/2012 4:24:48 PM
NO RATINGS
@mac_droz, thanks for detailed calculation. Actually I relied on the sentence: "...A tenfold reduction in reflectance would mean that up to 3 percent more usable light would get into the cell, effectively increasing the cell efficiency by that amount." From above it sounds like an increase of ~3% efficiency...your opinion?

mac_droz
User Rank
Rookie
re: Black solar cells have lowest reflectance for silicon solar cells
mac_droz   5/31/2012 7:52:03 AM
NO RATINGS
Read it again. Standard cells reflect 3% of light, new ones reflect 0.3% of light. You have to take efficiency into consideration. New ones will allow around 2.7% of light more to enter the cell and increase the overall efficiency by: 2.7% x (cell efficiency) For 15% efficiency (pretty good) that gives us: 2.7% x 15% = 0.4% increase in output Good idea but small impact at the end. Might be a bit better for cloudy days (not much).

selinz
User Rank
Manager
re: Black solar cells have lowest reflectance for silicon solar cells
selinz   5/31/2012 6:10:35 AM
NO RATINGS
While all improvements are good, it begs the question: can this be produced at same or less cost than the technology that it "betters?"

Sanjib.A
User Rank
CEO
re: Black solar cells have lowest reflectance for silicon solar cells
Sanjib.A   5/29/2012 5:25:39 PM
NO RATINGS
An increase of 3% in efficiency with lower cost is a good news! Is there any idea how much lower the cost would be with this technology?

Flash Poll
Like Us on Facebook

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
EE Times on Twitter
EE Times Twitter Feed
Top Comments of the Week