(Phys.org) —Devices that harvest energy from the environment require specific environmental conditions; for instance, solar cells and piezoelectric generators require sunlight and mechanical vibration, respectively. Since ...
(Phys.org) —Scientists working at the Stanford Institute for Materials and Energy Sciences (SIMES) have improved an innovative solar-energy device to be about 100 times more efficient than its previous design in converting ...
Energy & Green Tech
Mar 20, 2013
13
2
(PhysOrg.com) -- Using carbon nanotubes (hollow tubes of carbon atoms), MIT chemical engineers have found a way to concentrate solar energy 100 times more than a regular photovoltaic cell. Such nanotubes could form antennas ...
Nanomaterials
Sep 12, 2010
15
0
Driving through the endless dunes and cacti of the Chihuahuan desert in northern Mexico, a shimmering blue field suddenly appears on the horizon—not a mirage, but the largest solar park in Latin America.
Energy & Green Tech
Jul 13, 2018
24
206
A new Japanese solar power device can generate twice the electricity of current models thanks to moving mirrors that follow the sun throughout the day, according to its developers.
Energy & Green Tech
Jun 3, 2011
10
0
In the face of global climate change, increasing the use of renewable energy resources is one of the most urgent challenges facing the world. Further development of one resource, solar energy, is complicated by the need to ...
Environment
Mar 16, 2015
110
764
(Phys.org) —In an approach that could challenge silicon as the predominant photovoltaic cell material, University of Wisconsin-Madison materials engineers have developed an inexpensive solar cell that exploits carbon nanotubes ...
Nanophysics
Jun 18, 2013
2
1
(PhysOrg.com) -- Due to the increasing demand for renewable energy sources, photovoltaic solar cells have advanced significantly over the past decade. Since 2002, photovoltaic production worldwide has been doubling every ...
It's time to stop thinking of solar energy as a boutique source of power, says Joshua Pearce.
Energy & Green Tech
Dec 1, 2011
59
0
Engineers at Oregon State University have identified a new approach for the storage of concentrated solar thermal energy, to reduce its cost and make it more practical for wider use.
Energy & Green Tech
Nov 3, 2015
4
229
