(Phys.org)—Renewable energy could fully power a large electric grid 99.9 percent of the time by 2030 at costs comparable to today's electricity expenses, according to new research by the University of Delaware and Delaware ...
Energy & Green Tech
Dec 10, 2012
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(Phys.org)—A research group in China has discovered that the ink in an ordinary pen makes for a good coating when building a supercapacitor. The team, from Peking University (Beijing National Laboratory for Molecular Sciences) ...
Chemical batteries power many different mobile electronic devices, but repeated charging and discharging cycles can wear them out. An alternative energy storage device called an ultracapacitor can be recharged hundreds of ...
General Physics
Jul 19, 2012
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In the aftermath of the recent United Nations Rio+20 Conference on Sustainable Development, the focus of many industrialized nations is beginning to shift toward planning for a sustainable future. One of the foremost challenges ...
Energy & Green Tech
Jul 11, 2012
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(Phys.org) -- Swiss researchers at EPFL have developed a device intended for monitoring and saving the energy consumed by large data centers. It was developed in collaboration with Credit Suisse, which has used it to equip ...
Energy & Green Tech
May 28, 2012
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(PhysOrg.com) -- Storing energy from wind farms and releasing that electricity on demand requires high-capacity, low-cost batteries; sodium-ion batteries could be part of the answer now, thanks to fundamental insights garnered ...
Materials Science
Apr 4, 2012
2
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Hydrogen offers great promise as a renewable energy source. It's staggeringly plentiful (the most abundant element in the Universe) and environmentally friendly (used in a fuel cell, it gives off only water). Unfortunately, ...
Materials Science
Nov 1, 2011
8
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(PhysOrg.com) -- Crystals and ceramics pale when compared to a material researchers at Oak Ridge National Laboratory discovered that has 10 times their piezoelectric effect, making it suitable for perhaps hundreds of everyday ...
Polymers
Sep 23, 2011
1
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Wiring systems powered by highly-efficient superconductors have long been a dream of science, but researchers have faced such practical challenges such as finding pliable and cost-effective materials. Now researchers at Tel ...
Superconductivity
Sep 7, 2011
23
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(PhysOrg.com) -- For future electric vehicles, powerful notebook computers, and other portable devices, we need a new generation of energy storage materials that are better suited to modern needs than current rechargeable ...
Materials Science
Aug 23, 2011
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