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New wireless charging coil designs, created and tested by Oak Ridge National Laboratory, include a three-phase system that features rotating magnetic fields between layers of coils. The layered coils transfer power in a more uniform way, allowing for an increase in power density. Credit: Jason Pries/Oak Ridge National Laboratory, U.S. Dept. of Energy
Wireless charging—More power, smaller package

November 6, 2019

Oak Ridge National Laboratory researchers created and tested new wireless charging designs that may double the power density,…
Sandia abuses batteries for better energy storage

August 14, 2019

Researchers create ‘ninth way of killing a battery’ They crush ‘em. They pierce ‘em. They roast ‘em, soak…
Finding the Cause of Capacity Loss in a Metal-Oxide Battery Material

May 23, 2019

Scientists studying a lithium-ion battery with an iron-oxide electrode as it charged and discharged over 100 cycles found…
New Argonne Lab battery design offers ​“solid” advantage

May 22, 2019

Solid-state lithium batteries could improve performance compared with current designs. Most lithium batteries today consist of a liquid…
New Argonne coating could have big implications for lithium batteries

May 15, 2019

Coating provides extra layer of protection for battery cathodes. Building a better lithium-ion battery involves addressing a myriad…
Simulations Identify Importance of Lattice Distortions in Ion-Conducting Fuel Cell Materials

May 1, 2019

Ionic conduction involves the movement of ions from one location to another inside a material. The ions travel…
Lithium ions flow through solid material

March 21, 2019

Research team merges materials science and physics in new study. Scientists at the U.S. Department of Energy’s (DOE)…
Right electrolyte doubles novel two-dimensional material’s ability to store energy

March 5, 2019

Scientists at the Department of Energy’s Oak Ridge National Laboratory, Drexel University and their partners have discovered a…
Researchers use X-rays to understand the flaws of battery fast charging

February 12, 2019

A closer look reveals how speedy charging may hamper battery performance. While gas tanks can be filled in…
Scientists take X-ray aim in effort to discover new fuel catalyst

February 6, 2019

Research reveals why similar water-splitting cobalt catalysts can behave differently. For many years, scientists have been looking for…
These lithium-ion batteries can’t catch fire because they harden on impact

September 6, 2018

Lithium-ion batteries commonly used in consumer electronics are notorious for bursting into flame when damaged or improperly packaged.…
Tripling the Energy Storage of Lithium-Ion Batteries

June 27, 2018

Scientists have synthesized a new cathode material from iron fluoride that surpasses the capacity limits of traditional lithium-ion…
Multi-Modal Operando X-Ray Study Yields New Insights on Lithium-Sulfur Batteries

May 4, 2018

Lithium-sulfur (Li-S) batteries are a relatively new variety of battery being studied and developed by researchers around the…
Battery’s hidden layer revealed

April 18, 2018

Commercially available since the 1970s, the lithium-ion battery is now the workhorse power source in many applications. It…
Surprising Discovery Could Lead to Better Batteries

January 16, 2018

Scientists have observed how lithium moves inside individual nanoparticles that make up batteries. The finding could help companies…
The wet road to fast and stable batteries

December 17, 2017

An international team of scientists — including several researchers from the U.S. Department of Energy’s (DOE) Argonne National…
New battery material goes with the flow

August 14, 2017

A new material shows promise for batteries that store electricity for the grid. The material, created by scientists…
Scientists Design Promising New Cathode for Sodium-based Batteries

July 20, 2017

Scientists have designed a new type of cathode that could make the mass production of sodium batteries more…
“Full toolbox” needed to solve the climate change problem

June 20, 2017

Solving the climate change problem means transitioning to an energy system that emits little or no greenhouse gases…
Slicing Through Materials with a New X-ray Imaging Technique

August 14, 2016

Images reveal battery materials’ chemical reactions in five dimensions – 3D space plus time and energy Researchers at…
Effort to Make Next-generation Electric Vehicle Batteries

August 2, 2016

Imagine, on the streets of the United States, electric vehicles as affordable and convenient as gasoline-powered vehicles. Now…
Speedy ion conduction in solid electrolytes clears road for advanced energy devices

May 8, 2016

In a rechargeable battery, the electrolyte transports lithium ions from the negative to the positive electrode during discharging.…
Argonne continues to pave way to improved battery performance testing

April 3, 2016

Scientists at the U.S. Department of Energy’s Argonne National Laboratory have demonstrated that the design and placement of…
Smaller. Cheaper. Better.

March 28, 2016

Iron nitride transformers developed at Sandia could boost energy storage options A Sandia-led team has developed a way…
Advanced energy storage material gets unprecedented nanoscale analysis

March 20, 2016

Researchers at the Department of Energy’s Oak Ridge National Laboratory have combined advanced in-situ microscopy and theoretical calculations…
Hydrogen uptake causes molecular “avalanches” in palladium

January 27, 2016

Imagine a sponge that could soak up a thousand times its own volume in water.  Now imagine how…
Stable “superoxide” opens the door to a new class of batteries

January 13, 2016

While lithium-ion batteries have transformed our everyday lives, researchers are currently trying to find new chemistries that could…
Unique Two-Level Cathode Structure Improves Battery Performance

January 12, 2016

Controlling surface chemistry could lead to higher-capacity, faster-charging batteries for electronics, vehicles, and energy-storage applications Building a better…
‘Underground battery’ could store energy, CO2

January 7, 2016

Meeting the Paris Climate Agreement goal of limiting the increase in the global average temperature to well below…
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