News tagged with energy densities
Scientists announce coalition to develop the world's cleanest passenger locomotive
Plans to create the world's first carbon-neutral higher-speed locomotive were announced today by the Coalition for Sustainable Rail (CSR), a collaboration of the University of Minnesota's Institute on the Environment (IonE) ...
Technology / Energy & Green Tech
May 22, 2012 |
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Graphite enters different states of matter
(Phys.org) -- For the first time, scientists have seen an X-ray-irradiated mineral go to two different states of matter in about 40 femtoseconds (a femtosecond is one quadrillionth of a second).
May 16, 2012 |
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Novel battery system could reduce buildings' electric bills
The CUNY Energy Institute, which has been developing innovative low-cost batteries that are safe, non-toxic, and reliable with fast discharge rates and high energy densities, announced that it has built an operating prototype ...
Technology / Energy & Green Tech
May 08, 2012 |
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Researchers develop graphene supercapacitor holding promise for portable electronics
(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 ...
Mar 15, 2012 |
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Startup announces big breakthrough for electric vehicle batteries
For years, the electric vehicle industry has been eager to build a better electric car battery: one that extends range while having a longer overall life, is affordable, quick-charging and safe.
Technology / Energy & Green Tech
Mar 06, 2012 |
4.7 / 5 (12) |
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Inexpensive sensor gives advance warning of catastrophic failure in lithium-ion batteries
(PhysOrg.com) -- Scientists at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., have developed an inexpensive sensor that can warn of impending catastrophic failure in lithium-ion batteries. The ...
Jan 10, 2012 |
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Navy researchers investigate small-scale autonomous planetary explorers
Robotic exploration to remote regions, to include distant planetary bodies, is often limited by energy requirements to perform, in repetition, even the simplest tasks. With this in mind, researchers at the ...
Jan 03, 2012 |
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Proton beam experiments open new areas of research
By focusing proton beams using high-intensity lasers, a team of scientists have discovered a new way to heat material and create new states of matter in the laboratory.
Dec 05, 2011 |
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Why solar wind is rhombic-shaped?
Why the temperatures in the solar wind are almost the same in certain directions, and why different energy densities are practically identical, was until now not clear.
Nov 15, 2011 |
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Unexpected connection: Rotation reversal tied to energy confinement saturation
Research on the Alcator C-Mod experiment at MIT has made an unexpected connection between two seemingly unrelated but important phenomena observed in tokamak plasmas: spontaneous plasma rotation and the global ...
Nov 11, 2011 |
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Explosive composite based on nanoparticles and DNA could be an energy source for embedded microsystems
A solid explosive with an energy density equivalent to that of nitroglycerine: this is the composite material produced by researchers at the Laboratoire d'Analyse et d'Architecture des Systemes (CNRS) in Toulouse, France, ...
Nanotechnology / Nanomaterials
Nov 03, 2011 |
4 / 5 (1) |
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Researchers discover promising hydrogen storage material
(PhysOrg.com) -- If hydrogen is to ever to serve as an onboard energy carrier for the transportation industry, a material will be needed that can store large amounts of hydrogen at ambient temperature and ...
Nov 01, 2011 |
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Restraint improves dielectric performance, lifespan
Just as a corset improves the appearance of its wearer by keeping everything tightly together, rigidly constraining insulating materials in electrical components can increase their energy density and decrease their rates ...
Oct 25, 2011 |
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Making sodium-ion batteries that are worth their salt
(PhysOrg.com) -- Although lithium-ion technology dominates headlines in battery research and development, a new element is making its presence known as a potentially powerful alternative: sodium.
Technology / Energy & Green Tech
Oct 25, 2011 |
4.5 / 5 (6) |
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Fluoride shuttle increases storage capacity
German researchers have developed a new concept for rechargeable batteries. Based on a fluoride shuttle -- the transfer of fluoride anions between the electrodes -- it promises to enhance the storage capacity ...
Oct 21, 2011 |
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