A lithium-ion battery that self heats if the temperature is below 32 degrees Fahrenheit has multiple applications, but may have the most impact on relieving winter "range anxiety" for electric vehicle owners, according to ...
Energy & Green Tech
Jan 20, 2016
18
1276
Building a better battery is a delicate balancing act. Increasing the amounts of chemicals whose reactions power the battery can lead to instability. Similarly, smaller particles can improve reactivity but expose more material ...
Nanophysics
Jan 11, 2016
0
645
(Phys.org)—A team of researchers working in China has found a way to dramatically improve the energy storage capacity of supercapacitors—by doping carbon tubes with nitrogen. In their paper published in the journal Science, ...
Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a novel electrolyte for use in solid-state lithium batteries that overcomes many of the problems that plague ...
Energy & Green Tech
Dec 21, 2015
0
955
Energy storage system owners could see significant savings from a new flow battery technology that is projected to cost 60 percent less than today's standard flow batteries.
Energy & Green Tech
Dec 21, 2015
7
1305
A team of researchers from the University of Maryland (UMD) and the U.S. Army Research Laboratory (ARL) have devised a groundbreaking "Water-in-Salt" aqueous Lithium ion battery technology that could provide power, efficiency ...
Materials Science
Nov 19, 2015
0
946
If you add quantum dots - nanocrystals 10,000 times smaller than the width of a human hair - to a smartphone battery it will charge in 30 seconds, but the effect only lasts for a few recharge cycles.
Nanophysics
Nov 11, 2015
0
2579
Scientists have developed a working laboratory demonstrator of a lithium-oxygen battery which has very high energy density, is more than 90% efficient, and, to date, can be recharged more than 2000 times, showing how several ...
Energy & Green Tech
Oct 29, 2015
11
4624
If you pry open one of today's ubiquitous high-tech devices—whether a cellphone, a laptop, or an electric car—you'll find that batteries take up most of the space inside. Indeed, the recent evolution of batteries has ...
Condensed Matter
Aug 18, 2015
1
1961
An advanced manufacturing approach for lithium-ion batteries, developed by researchers at MIT and at a spinoff company called 24M, promises to significantly slash the cost of the most widely used type of rechargeable batteries ...
Energy & Green Tech
Jun 23, 2015
42
2419
