Nanotechnology Now

Our NanoNews Digest Sponsors
Heifer International

Wikipedia Affiliate Button

Home > Press > High-energy density magnesium batteries for smart electrical grids

Abstract:
Magnesium-based batteries are, in theory, a very attractive alternative to other batteries. Magnesium (Mg) is cheap, safe, lightweight, and its compounds are usually non-toxic. Mg is less expensive (metallic lithium [Li] costs about 24 times more than metallic Mg) because Mg is abundant in the Earth's crust. Mg is safer because it is stable when exposed to the atmosphere.

High-energy density magnesium batteries for smart electrical grids

Morgantown, WV | Posted on June 27th, 2011

Mg provides a theoretical specific capacity of 2,205 ampere-hours/kilogram, making it an attractive high-energy density battery system. Furthermore, it provides two electrons per atom and has electrochemical characteristics similar to Li (12 grams-per-Faraday [g/F], compared to 7 g/F for Li or 23 g/F for sodium). Proper design and architecture should lead to Mg-based batteries with energy densities of 400-1,100 watt-hour per kilogram for an open circuit voltage in the range of 0.8 - 2.1 V, which would make it an attractive candidate for electrical grid energy storage and stationary back-up energy. To make Mg-based batteries practical, researchers at DOE's National Energy Technology Laboratory are developing novel alloys of Mg doped with different elements such as calcium, zinc, and yttrium. These alloys are being produced by melting and casting as well as powder metallurgy. A new displacement reaction hypothesis, based on the reaction of nanostructured transition metal compounds with Mg, has resulted in a thermodynamically favorable reversible displacement reaction of transition metals and Mg-alloys. Recent accomplishments include a new, intermetallic anode compound formulated by melting/casting and synthesis of a new MgMn1-xFexSiO4/C composite, and other transition metal oxide spinel cathode systems. Mg-based electrolytes and other ionic electrolytes have also been developed and are being tested.

####

About DOE
The National Energy Technology Laboratory (NETL), part of DOE’s national laboratory system, is owned and operated by the U.S. Department of Energy (DOE). NETL supports DOE’s mission to advance the national, economic, and energy security of the United States.

NETL implements a broad spectrum of energy and environmental research and development (R&D) programs that will return benefits for generations to come:

Enabling domestic coal, natural gas, and oil to economically power our Nation’s homes, industries, businesses, and transportation …
While protecting our environment and enhancing our energy independence.

NETL has expertise in coal, natural gas, and oil technologies, contract and project management, analysis of energy systems, and international energy issues.

In addition to research conducted onsite, NETL’s project portfolio includes R&D conducted through partnerships, cooperative research and development agreements, financial assistance, and contractual arrangements with universities and the private sector. Together, these efforts focus a wealth of scientific and engineering talent on creating commercially viable solutions to national energy and environmental problems.

For more information, please click here

Contacts:
3610 Collins Ferry Road
P.O. Box 880
Morgantown, WV 26507-0880
Receptionist, Bldg B26
304-285-4764

412-386-4646

Media Inquiries
Linda Morton
304.285.4543

Copyright © DOE

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

Resistance is utile: Magnetite nanowires with sharp insulating transition: Osaka University-led researchers make ultra-thin nanowires of Fe3O4, with a remarkable 'Verwey transition' from metal to insulator at low temperature -- a highly sought-after property for nanoelectronics July 19th, 2019

Tiny vibration-powered robots are the size of the world's smallest ant July 19th, 2019

A graphene superconductor that plays more than one tune: Researchers at Berkeley Lab have developed a tiny toolkit for scientists to study exotic quantum physics July 19th, 2019

Electronic chip mimics the brain to make memories in a flash: Engineers have mimicked the human brain with an electronic chip that uses light to create and modify memories. July 19th, 2019

The interlayers help perovskite crystallisation for high-performance light-emitting diodes: Unveiling the synergistic effect of precursor stoichiometry and interfacial reactions for perovskite light-emitting diodes July 19th, 2019

Laboratories

A graphene superconductor that plays more than one tune: Researchers at Berkeley Lab have developed a tiny toolkit for scientists to study exotic quantum physics July 19th, 2019

Govt.-Legislation/Regulation/Funding/Policy

Limitation exposed in promising quantum computing material: Metallic surfaces no longer protected as topological insulators become thinner July 19th, 2019

Tiny vibration-powered robots are the size of the world's smallest ant July 19th, 2019

A graphene superconductor that plays more than one tune: Researchers at Berkeley Lab have developed a tiny toolkit for scientists to study exotic quantum physics July 19th, 2019

The interlayers help perovskite crystallisation for high-performance light-emitting diodes: Unveiling the synergistic effect of precursor stoichiometry and interfacial reactions for perovskite light-emitting diodes July 19th, 2019

Announcements

Resistance is utile: Magnetite nanowires with sharp insulating transition: Osaka University-led researchers make ultra-thin nanowires of Fe3O4, with a remarkable 'Verwey transition' from metal to insulator at low temperature -- a highly sought-after property for nanoelectronics July 19th, 2019

Tiny vibration-powered robots are the size of the world's smallest ant July 19th, 2019

A graphene superconductor that plays more than one tune: Researchers at Berkeley Lab have developed a tiny toolkit for scientists to study exotic quantum physics July 19th, 2019

Electronic chip mimics the brain to make memories in a flash: Engineers have mimicked the human brain with an electronic chip that uses light to create and modify memories. July 19th, 2019

Energy

Breakthrough material could lead to cheaper, more widespread solar panels and electronics July 16th, 2019

Experiments show dramatic increase in solar cell output: Method for collecting two electrons from each photon could break through theoretical solar-cell efficiency limit July 5th, 2019

Black (nano)gold combat climate change July 5th, 2019

Researchers unveil how soft materials react to deformation at molecular level June 24th, 2019

Battery Technology/Capacitors/Generators/Piezoelectrics/Thermoelectrics/Energy storage

Tiny vibration-powered robots are the size of the world's smallest ant July 19th, 2019

Researchers report new understanding of thermoelectric materials: Discovery leads to promising new materials for converting waste heat to power June 21st, 2019

Flexible generators turn movement into energy: Rice University's laser-induced graphene nanogenerators could power future wearables June 2nd, 2019

Russian scientists investigate new materials for Li-ion batteries of miniature sensors: Researchers are developing new materials for solid-state thin-film Li-ion batteries for micro and nanodevices May 31st, 2019

NanoNews-Digest
The latest news from around the world, FREE



  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project