Dye-sensitized solar cells more efficient than silicon cells
Dye-sensitized Grätzel solar cells have just set a new efficiency benchmark. By changing the composition and color of the cells, an EPFL team has...
Scientists to develop cheap fuel cells
Fuel cells seem like an ideal energy source—they’re clean, efficient, silent and don’t require transmission lines.
The hitch? They can be costly. Now scientists at...
Converting the energy of waste heat occurring in integrated circuits
The heat which occurs in tiny computer processors might soon be no longer useless or even a problem. On the contrary: It could be...
Display screens with colored solar cells
A new kind of screen pixel doubles as a solar cell and could boost the energy efficiency of cell phones and e-readers. The technology...
Power source for implants by breathing energy
Instead of using traditional batteries as a power source which require to be cut for replacing them with new ones, now there are various...
New cheap nanomaterial to convert heat into electricity
Waste heat is a byproduct of nearly all electrical devices and industrial processes, from driving a car to flying an aircraft or operating a...
The energy efficiency star is the attribute to a quarter of single American homes
According to the Environmental Protection Agency –EPA, the 25% of all single family homes were energy efficiency star certified in the US last year.
EPA...
Improved buildings for major reductions in their lifetime carbon footprint
The construction and operation of buildings accounts for approximately 40 percent of all U.S. emissions of greenhouse gases. The most-used building material in the...
The Solar Energy Conversion Efficiency Rate Improved By Nanomaterials
Frontiers of research are rapidly exceeded. Even in field of solar energy harvest and conversion efficiency, new research ideas come from everywhere.
The scientists from...
Energy efficiency increased by the roof solar panels shading
Introduction in energy efficiency:
Return on investment is a critical consideration when discussing solar photovoltaic installations. However, recent research sheds light on an often overlooked...