Sunforce 400-Watt Wind Generator
Use the Sunforce 400-Watt Wind Generator to generate power and run your appliances and electronics. Great for cabins, battery charging, remote power, backup power and hobbyists. Delivers up to 400 Watts. U.S.A. Application: Appliances and electronics, Volts: 12, Watts: 400 at 28 MPH, Blade Material: Carbon fiber [...]
Windmax HY400 500 Watt Max wind generator
The Windmax HY400 500 Watt wind generator is awesome! A high performance, reliable WindMax wind turbine that features advanced electromagnetic over speed control, aerodynamic blade speed limitation, solar/wind dual output capability, a reliable light weight generator design [...]
NISKAYUNA, N.Y.
General Electric Co. on Thursday said it will focus on low-cost thin film photovoltaic technology as part of its efforts to develop a cheaper, more efficient solar module to compete in the growing alternative energy market.
GE plans to harness cadmium telluride technology from PrimeStar Solar Inc., a start up firm that [...]
U.S. Sen. Mark Udall (D-Colo.) announced Wednesday a new bill intended to boost solar energy production by extending solar tax credits to residents who invest in community solar farms to power their homes.
The bill is the first of a series of clean energy bills Udall plans to unveil. He said the legislation was inspired [...]
Other Thin Films
A number of other promising materials such as cadmium telluride (CdTe) and copper indium diselenide (CIS) are now being used for PV modules. The attraction of these technologies is that they can be manufactured by relatively inexpensive industrial processes, certainly in comparison to crystalline silicon technologies, yet they typically offer higher [...]
Amorphous Silicon
Amorphous silicon cells are composed of silicon atoms in a thin homogenous layer rather than a crystal structure. Amorphous silicon absorbs light more effectively than crystalline silicon, so the cells can be thinner. For this reason, amorphous silicon is also known as a “thin film” PV technology. Amorphous silicon can be deposited [...]
Thick-film Silicon
Another multicrystalline technology where the silicon is deposited in a continuous process onto a base material giving a fine grained, sparkling appearance. Like all crystalline PV, this is encapsulated in a transparent insulating polymer with a tempered glass cover and usually bound into a strong aluminium frame.
Multicrystalline Silicon Cells
Made from cells cut from an ingot of melted and recrystallised silicon. In the manufacturing process, molten silicon is cast into ingots of polycrystalline silicon, these ingots are then saw-cut into very thin wafers and assembled into complete cells. Multicrystalline cells are cheaper to produce than monocrystalline ones, due to the [...]
Monocrystalline Silicon Cells
Made using cells saw-cut from a single cylindrical crystal of silicon, this is the most efficient of the photovoltaic (PV) technologies. The principle advantage of monocrystalline cells are their high efficiencies, typically around 15%, although the manufacturing process required to produce monocrystalline silicon is complicated, resulting in slightly higher costs than [...]
A PV cell consists of two or more thin layers of semi-conducting material, most commonly silicon. When the silicon is exposed to light, electrical charges are generated and this can be conducted away by metal contacts as direct current (DC). The electrical output from a single cell is small, so multiple cells are connected together [...]
