«We've worked on improving
solar cell efficiency over and over again.
Not exact matches
These semiconductors can be used as an optical absorber material in
solar cells, but so far have only achieved a maximum
efficiency of 12.6 per cent, while
solar cells made of copper - indium - gallium - selenide (CIGS) already attain
efficiencies of
over 20 percent.
With this technique, the Empa team has again been able to significantly increase the energy conversion
efficiency from sunlight into electricity using CIGS thin film
solar cells on flexible plastic foils — to a new record level of 20.4 %, representing a marked improvement
over the previous record of 18.7 % established by the same team in May 2011.
A multicrystalline silicon
solar cell, for instance, has crawled up the
efficiency ladder from about 14 % to 20 %
over two decades.
A new
solar cell design could raise the energy conversion
efficiency to
over 50 % by absorbing the spectral components of longer wavelengths that are usually lost during transmission through the
cell.
«New
solar cell design could pave the way for
over 50 % energy - conversion
efficiency.»
Today's silicon crystal
solar panels are a dramatic improvement
over the original Bell Lab designs, with some
cells achieving a conversion
efficiency of about 35 %, but the power output is still intermittent and load factors are very low, around 15 %.
The hype around Tesla's
solar roof is strong already thanks to some very bold claims that the company made, like 98 %
efficiency over standard
solar module
cells and that it could last «2 - 3 times longer than traditional roofs.»
Via MIT via Daily Tech More on MIT Inventions MIT: Move
Over Batteries, Here Come the Nanotube - Enhanced Capacitors MIT
Solar Concentrator Improves
Solar Cell Efficiency and Design Options A Behind the Scenes Look at MIT's Algae Photobioreactor (VIDEO) MIT Boosts Methanol Fuel
Cells Efficiency by 50 %
However, I'm fairly certain that organic
solar cells are very rare outside the lab — and it is low
efficiency that is stopping them from taking
over the world.
Requiring no gigantic «smart grid» sucking the
efficiency like a vampire — things that are inherent to these nasty wind machines — Nuclear SMRs are going to allow us to meet all our CO2 reduction goals, without the canard of «nominal power output» being accepted by the lost eco-sheep, and without the 100 % conventional, CO2 - generating backup generators — which must be kept on idle at all times should the wind die down, or a cloud pass
over a
solar cell — and which all of these wind turbines require.
It's true that
over the past five years, the cost of crystalline silicon photovoltaic panels — the current
solar technology of choice — has fallen 80 percent, as China has ramped up manufacturing and the
efficiency of
cells improves incrementally.