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Latest Cathode Stories

Energy Converted And Stored In Single Unit Using Self-charging Power Cell
2012-08-21 14:42:59

Researchers have developed a self-charging power cell that directly converts mechanical energy to chemical energy, storing the power until it is released as electrical current. By eliminating the need to convert mechanical energy to electrical energy for charging a battery, the new hybrid generator-storage cell utilizes mechanical energy more efficiently than systems using separate generators and batteries. At the heart of the self-charging power cell is a piezoelectric membrane that...

2012-07-11 05:49:26

Some of the planet´s tiniest inhabitants may help address two of society´s biggest environmental challenges:  how to deal with the vast quantities of organic waste produced and where to find clean, renewable energy. According to César Torres and Sudeep Popat, researchers at Arizona State University´s Biodesign Institute, certain kinds of bacteria are adept at converting waste into useful energy.  These microorganisms are presently being applied to the...

Rice researchers develop paintable battery
2012-06-29 05:30:54

[ Watch the Video ] Michael Harper for redOrbit.com — Your Universe Online Researchers at Rice University in Houston, Texas have put their minds together to create an incredibly thin battery. So small, in fact, if can be painted on the surface of whatever it´s meant to power. This rechargeable lithium-ion battery is applied in layers, recreating the components of a traditional battery. Rice scientist Pulickel Ajayan helped to create the sprayable battery and posted the...

2011-11-24 10:41:54

The sun doesn't always shine and the breeze doesn't always blow and therein lie perhaps the biggest hurdles to making wind and solar power usable on a grand scale. If only there were an efficient, durable, high-power, rechargeable battery we could use to store large quantities of excess power generated on windy or sunny days until we needed it. And as long as we're fantasizing, let's imagine the battery is cheap to build, too. Now Stanford researchers have developed part of that dream...

2011-10-20 22:36:32

Engineers at Case Western Reserve University have made an electrochemical cell that uses a plasma for an electrode, instead of solid pieces of metal. The technology may open new pathways for battery and fuel cell design and manufacturing, making hydrogen fuel and synthesizing nanomaterials and polymers. A description of the research is now published in the online edition of the Journal of the American Chemical Society at http://pubs.acs.org/doi/abs/10.1021/ja207547b. "Plasmas formed...

2011-07-30 02:00:36

Hybrid energy storage device is as small as it can possibly get The world at large runs on lithium ion batteries. New research at Rice University shows that tiny worlds may soon do the same. The Rice lab of Professor Pulickel Ajayan has packed an entire lithium ion energy storage device into a single nanowire, as reported this month in the American Chemical Society journal Nano Letters. The researchers believe their creation is as small as such devices can possibly get, and could be valuable...

2011-04-25 16:49:20

Texas-A new low cost test for acute pancreatitis that gets results much faster than existing tests has been developed by scientists at The University of Texas at Austin. The sensor, which could be produced for as little as a dollar, is built with a 12-cent LED light, aluminum foil, gelatin, milk protein and a few other cheap, easily obtainable materials. The sensor could help prevent damage from acute pancreatitis, which is a sudden inflammation of the pancreas that can lead to severe stomach...

2011-01-26 11:58:00

DETROIT, Jan. 26, 2011 /PRNewswire/ -- Leads an equity investment round of $17 million Early testing of Envia's composite cathode material shows improvement in energy density of lithium-ion cells by up to one-third for more capable and affordable electrically driven vehicles of the future General Motors Ventures LLC invested $7 million in Newark, Calif.-based Envia Systems to provide GM's battery engineering team with access to advanced lithium-ion cathode technology that delivers...

2010-12-02 12:57:00

Feds Fund CWRU Researcher's Capacitor Design CLEVELAND, Dec. 2, 2010 /PRNewswire-USNewswire/ -- Need has caught up with Gerhard Welsch's ideas. Welsch, a professor of materials science and engineering at Case Western Reserve University, began patenting designs for a small, light, powerful and reliable capacitor in 2000. Now it's just the kind of energy storage device makers of hybrid cars, computer power supplies, pacemakers and more are seeking to absorb and provide surges of...

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2010-10-06 08:06:59

Measuring a fuel cell's overall performance is relatively easy, but measuring its components individually as they work together is a challenge. That's because one of the best experimental techniques for investigating the details of an electrochemical device while it's operating is x-ray photoelectron spectroscopy (XPS). Traditional XPS works only in a vacuum, while fuel cells need gases under pressure to function. Now a team of scientists from the University of Maryland, the U.S. Department...


Latest Cathode Reference Libraries

26_b97075ef2939e58bcce8ee851e9c8f73
2009-04-23 12:13:36

Vladimir Kozmich Zworykin (July 30, 1889 - July 29, 1982) was a Russian-American engineer, inventor, and initiator of television technology. One of his accomplishments includes the invention of a television transmitting and receiving system utilizing cathode ray tubes. In the early thirties, he was instrumental in the physical production of components used in the television, including charge storage-type tubes, infrared image tubes, and the electron microscope. Although many biographers...

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