(Phys.org)—Tannins may be best known for their presence in red wine and tea, but in a new study researchers have demonstrated for the first time that tannins from tree bark can also serve as battery cathode materials. As ...
(Phys.org)—While most of today's electric vehicles rely on batteries to store energy, supercapacitors have enjoyed significant improvements that have made them serious competitors to batteries. Batteries traditionally have ...
Mobilizing oxygen atoms from the crystal surface of perovskite-oxide electrodes to participate in the formation of oxygen gas is key to speeding up water-splitting reactions, researchers at MIT, the Skoltech Institute of ...
Materials Science
Mar 30, 2016
0
658
After more than half a decade of speculation, fabrication, modeling and testing, an international team of researchers led by Drexel University's Dr. Yury Gogotsi and Dr. Patrice Simon, of Paul Sabatier University in Toulouse, ...
Engineering
Feb 11, 2016
0
1176
MIT researchers have engineered a new rechargeable flow battery that doesn't rely on expensive membranes to generate and store electricity. The device, they say, may one day enable cheaper, large-scale energy storage.
Energy & Green Tech
Aug 16, 2013
37
0
(Phys.org)—The cherished portability of many popular electronics, from smart phones to laptops, mostly comes courtesy of lithium-ion batteries. Unfortunately, these dense and lightweight energy storage devices begin to ...
Materials Science
Nov 27, 2012
1
0
(PhysOrg.com) -- Electrochemical capacitors (ECs), also known as supercapacitors or ultracapacitors, differ from regular capacitors that you would find in your TV or computer in that they store substantially higher amounts ...
Nanophysics
Mar 15, 2012
30
0
(PhysOrg.com) -- The process of splitting water into pure oxygen and clean-burning hydrogen fuel has long been the Holy Grail for clean-energy advocates as a method of large-scale energy storage, but the idea faces technical ...
Materials Science
Jun 21, 2011
18
0
Future batteries used by the energy grid to store power from the wind and sun must be reliable, durable and safe, but affordability is really the key to widespread deployment, according to a new report published online March ...
Energy & Green Tech
Mar 7, 2011
10
0
(PhysOrg.com) -- Most people would like to be able to charge their cell phones and other personal electronics quickly and not too often. A recent discovery made by UC San Diego engineers could lead to carbon nanotube-based ...
Nanomaterials
Nov 19, 2009
2
0
