Featured Research

from universities, journals, and other organizations

Patent Gives Battery Research A Charge

Date:
July 10, 2000
Source:
Brookhaven National Laboratory
Summary:
Researchers at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have been awarded U.S. Patent Number 6,022,643 for their work in developing a new kind of electrolyte for use in lithium-ion batteries. The new electrolyte is less expensive and more environmentally friendly than those currently used.

Upton, N.Y. -- Researchers at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have been awarded U.S. Patent Number 6,022,643 for their work in developing a new kind of electrolyte for use in lithium-ion batteries. The new electrolyte is less expensive and more environmentally friendly than those currently used.

Related Articles


Rechargeable lithium-ion batteries now dominate the market for use as a power source in cell phones and many laptop computers. Researchers would like to scale up these batteries for use in electric and hybrid electric vehicles.

One problem, however, is that in today's lithium batteries, the salt component of the electrolyte -- the fluid that carries the flow of electricity from the positive cathode to the negative anode -- is expensive and toxic, explains Xiao-Qing Yang, one of the Brookhaven scientists. With the large quantities required for vehicle batteries, these drawbacks could become prohibitive.

So, with funding from the DOE's Office of Basic Energy Sciences, BNL's team has been looking at ways to improve the electrical conductivity of electrolytes containing less-expensive, less-toxic salts. In the technique for which they've been awarded a patent, the researchers have designed and synthesized a series of boron-based compounds that, when added to electrolytes, increase their electrical conductivity to a level comparable with those currently used.

"This opens up a new approach in developing electrolytes for lithium-ion batteries," says Hung Sui Lee, the chemist who was in charge of the organic synthesis work.

"There are still some improvements that need to be made," says Yang. Spectroscopy studies the team is conducting at Brookhaven's National Synchrotron Light Source will help. "By understanding how these additives work with the salt and the electrolyte at the molecular level, we can modify their molecular structures to improve their performance," Yang says.

The team, which also included James McBreen of Brookhaven Lab and Caili Xiang, a visiting scientist from China, has already gotten inquiries about licensing the invention, but nothing has been agreed to yet. One company that could benefit is Gould Electronics, Inc., a manufacturer of lithium-ion batteries that entered a Cooperative Research and Development Agreement (CRADA) with BNL last spring.

For more information on this CRADA, go to: http://www.pubaf.bnl.gov/pr/bnlpr031500.html

The U.S. Department of Energy's Brookhaven National Laboratory creates and operates major facilities available to university, industrial and government personnel for basic and applied research in the physical, biomedical and environmental sciences and in selected energy technologies. The Laboratory is operated by Brookhaven Science Associates, a not-for-profit research management company, under contract with the U.S. Department of Energy.


Story Source:

The above story is based on materials provided by Brookhaven National Laboratory. Note: Materials may be edited for content and length.


Cite This Page:

Brookhaven National Laboratory. "Patent Gives Battery Research A Charge." ScienceDaily. ScienceDaily, 10 July 2000. <www.sciencedaily.com/releases/2000/07/000710072214.htm>.
Brookhaven National Laboratory. (2000, July 10). Patent Gives Battery Research A Charge. ScienceDaily. Retrieved November 22, 2014 from www.sciencedaily.com/releases/2000/07/000710072214.htm
Brookhaven National Laboratory. "Patent Gives Battery Research A Charge." ScienceDaily. www.sciencedaily.com/releases/2000/07/000710072214.htm (accessed November 22, 2014).

Share This


More From ScienceDaily



More Matter & Energy News

Saturday, November 22, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Toyota's Hydrogen Fuel-Cell Green Car Soon Available in the US

Toyota's Hydrogen Fuel-Cell Green Car Soon Available in the US

AFP (Nov. 21, 2014) Toyota presented its hydrogen fuel-cell compact car called "Mirai" to US consumers at the Los Angeles auto show. The car should go on sale in 2015 for around $60.000. It combines stored hydrogen with oxygen to generate its own power. Duration: 01:18 Video provided by AFP
Powered by NewsLook.com
Google Announces Improvements To Balloon-Borne Wi-Fi Project

Google Announces Improvements To Balloon-Borne Wi-Fi Project

Newsy (Nov. 21, 2014) In a blog post, Google said its balloons have traveled 3 million kilometers since the start of Project Loon. Video provided by Newsy
Powered by NewsLook.com
NSA Director: China Can Damage US Power Grid

NSA Director: China Can Damage US Power Grid

AP (Nov. 20, 2014) China and "one or two" other countries are capable of mounting cyberattacks that would shut down the electric grid and other critical systems in parts of the United States, according to Adm. Michael Rogers, director of the National Security Agency and hea Video provided by AP
Powered by NewsLook.com
Latest Minivan Crash Tests Aren't Pretty

Latest Minivan Crash Tests Aren't Pretty

Newsy (Nov. 20, 2014) Five minivans were put to the test in head-on crash simulations by the Insurance Institute for Highway Safety. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Space & Time

Matter & Energy

Computers & Math

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins