One big problem faced by electrodes in rechargeable batteries, as they go through repeated cycles of charging and discharging, is that they must expand and shrink during each cycle—sometimes doubling in volume, and then ...
Nanomaterials
Aug 5, 2015
2
126
Battery-powered cars offer many environmental benefits, but a car with a full tank of gasoline can travel further. By improving the energy capacity of lithium-ion batteries, a new electrode made from iron oxide nanoparticles ...
Nanomaterials
Oct 23, 2013
0
0
The Sun's corona, invisible to the human eye except when it appears briefly as a fiery halo of plasma during a solar eclipse, remains a puzzle even to scientists who study it closely. Located 1,300 miles from the star's surface, ...
Space Exploration
May 8, 2018
15
242
Lithium-ion batteries are a rapidly growing energy storage method due to their high energy density, especially in mobile applications such as personal electronics and electric cars. However, the materials currently used in ...
Energy & Green Tech
Feb 17, 2016
12
26
Lithium iron phosphate batteries are very durable and can be charged relatively quickly. Researchers from the Paul Scherrer Institute (PSI), ETH Zurich and Toyota Central R&D Labs, Inc. reveal the reasons for these properties ...
Materials Science
Sep 9, 2015
0
52
Magnetism and electricity are two of the fundamental forces of nature. Combining them in a single multiferroic material in which one controls the other is not only of basic interest, but also relevant for practical applications. ...
Condensed Matter
Feb 22, 2013
2
1
Using over 18 years of data from ESA's Cluster mission, scientists have mapped the heavy metals in the space surrounding Earth, finding an unexpected distribution and prevalence of iron and shedding light on the composition ...
Space Exploration
Mar 19, 2020
2
1493
Researchers at Ludwig-Maximilians-Universitaet (LMU) in Munich have synthesized nanoparticles that can be induced by a change in pH to release a deadly dose of ionized iron within cells. This mechanism could potentially open ...
Bio & Medicine
Apr 17, 2020
0
80
Skoltech scientists and their Chinese colleagues have determined the conditions that enable the existence of a very peculiar ion. Dubbed aquodiium, it can be conceptualized as an ordinary neutral molecule of water with two ...
Planetary Sciences
May 31, 2024
0
80
Researchers at the U.S. Department of Energy's Brookhaven National Laboratory have created a new imaging technique that allows scientists to probe the internal makeup of a battery during charging and discharging using different ...
Condensed Matter
Aug 12, 2016
0
269
