Quick-Charging Batteries Needed For Vehicles

Quick-charging batteries will be essential if the electric car industry is to flourish; who wants to take hours at the "pump"? The University of Illinois' Paul Braun, a professor of materials science and engineering, is one of the scientists working on an answer. He remarks:

"This system that we have gives you capacitor-like power with battery-like energy. Most capacitors store very little energy. They can release it very fast, but they can't hold much. Most batteries store a reasonably large amount of energy, but they can't provide or receive energy rapidly. This does both."

The speed at which conventional batteries are able to charge or discharge can be dramatically increased by changing the form of their active material into a thin film, but such films have typically lacked the volume to be able to store a significant amount of energy. In the case of Braun's batteries, however, that thin film has been formed into a three-dimensional structure, thus increasing its storage capacity.


( Braun's nanostructured bicontinuous cathode (left)
scanning electron microscope image of the nanostructure (right) )

To make the three-dimensional thin film, the researchers coated a surface with nanoscale spheres, which self-assembled into a lattice-like arrangement. The spaces between and around the spheres were then coated with metal, after which the spheres were melted or dissolved away, leaving the metal as a framework of empty pores. Electropolishing was then used to enlarge the pores and open up the framework, after which it was coated with a layer of the active material both lithium-ion and nickel metal hydride batteries were created.

The system utilizes processes already used on a large scale, so it would reportedly be easy to scale up. It could also be used with any type of battery, not just Li-ion and NiMH.

Hugo award-winning science fiction writer Philip Jose Farmer wrote about this kind of technology in his 1971 novel The Fabulous Riverboat; he called it a batacitor.

A giant step-down transformer of aluminum took the energy three times a day, sent it through Brobdignagian aluminum wires to a two-story device known as a batacitor. This was a late-twentieth-century electronic discovery that could accept hundreds of kilovolts in a hundredth of a microsecond and could discharge it at any rate from a tenth of a volt to one hundred kilovolts...

Via Gizmag; thanks to Chris Reed for submitting a tip on this story.

Scroll down for more stories in the same category. (Story submitted 3/23/2011)

Follow this kind of news @Technovelgy.

| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |

Would you like to contribute a story tip? It's easy:
Get the URL of the story, and the related sf author, and add it here.

Comment/Join discussion ( 3 )

Related News Stories - (" Engineering ")

Metalenses Now Reconfigurable With Liquid Crystal
'Hufhuf oil held in static tension...' - Frank Herbert, 1965.

NDB Nuclear Waste Battery Lasts A Lifetime
'Trillions of units of power could be compressed thus into an inch-square cube of what looked like blue-white ice.' - Edmond Hamilton, 1940.

Blaux Your Personal Commuter Cooling Unit
A cooling unit had to be strapped to every commuter's back, by law.

SunnyFive 'Window' Has Full Spectrum Angled Natural Light
'On the ceilings are screens.' - Stanislaw Lem, 1961.

 

Google
  Web TechNovelgy.com   

Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.

 

 

 

 

 

Current News

Beat Covid-19 With AIR By MicroClimate - At Last I Get My PAPR
More than just a bubble.

Mi TV LUX Transparent Edition OLED TV
The Look of Things To Come.

Metalenses Now Reconfigurable With Liquid Crystal
'Hufhuf oil held in static tension...'

'Alexa For Residential' A Landlord's Dream (Tenant's Nightmare?)
'...unseen mechanical entities... that are in our very midst. One of them following each of us.'

Gather Ye Moonrocks While Ye May
'The law of filing on newly discovered asteroids was definite.'

InMotion V11 Electric Unicycle Gets Air (Video)
'A tumblebug does not give a man dignity...'

Rid Thyself Of Ads On The Newsbox
'Can't we scramble that commercial?'

A.I. Jesus Proclaims Machine Gospel
'... he crossed the waiting room to the Padre booth; inside he put a dime into the slot and dialed at random.'

Google's Remixed 'Your News Update' ala Heinlein, Clarke, Pohl
'Perhaps we had better use the soundtrack and let it hunt.'

iSphere Plastique Fantastique Face Mask Alternative
'Among these were some clad in the insulated space-suits, with their transparent glassite helmets.'

Inkjet-Printed Wearable Solar Cells
Ultra-thin wearable organic photovoltaic material.

NDB Nuclear Waste Battery Lasts A Lifetime
'Trillions of units of power could be compressed thus into an inch-square cube of what looked like blue-white ice.'

Neuralink Will Land A Chip In Your Brain
'What are you talking about? Do you mean a neural lace?'

EPR Is Quick, Temporary Biostasis
'The cold-pack was being sucked out greedily by plastic suction tendrils...'

It's Time For Robots With Soft, Sensitive Skin
Sure, solid metal skin robots looked great once - like in science fiction movies of the 1920's.

An Ocean On Ceres
'We sailed gently forward, hull down to the asteroid's surface... A little sea was now beneath us.'

More SF in the News Stories

More Beyond Technovelgy science news stories

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.