When Rice University chemist and engineer Hossein Robatjazi set out to marry a molecular sieve called MOF to a plasmonic aluminum nanoparticle two years ago, he never imagined the key would be the same process nature uses ...
Materials Science
Feb 8, 2019
0
100
The lithium-ion batteries that power electric vehicles and phones charge and discharge by ferrying lithium ions back and forth between two electrodes, an anode and a cathode. The more lithium ions the electrodes are able ...
Materials Science
Feb 6, 2019
1
61
An ocean-dwelling bacterium has provided fresh insights into how cells protect themselves from the toxic effects of metal ions such as iron and copper, in research led by the University of East Anglia (UEA).
Biochemistry
Jan 14, 2019
0
110
As our love of gadgets grows, so do demands for longer lasting batteries. But there's a problem.
Materials Science
Oct 25, 2018
4
49
A Northwestern University research team has found ways to stabilize a new battery with a record-high charge capacity. Based on a lithium-manganese-oxide cathode, the breakthrough could enable smart phones and battery-powered ...
Materials Science
May 29, 2018
3
230
If you add more lithium to the positive electrode of a lithium-ion battery - overstuff it, in a sense - it can store much more charge in the same amount of space, theoretically powering an electric car 30 to 50 percent farther ...
Materials Science
Dec 12, 2017
2
476
Amyloids are clumps of protein fragments that stick together to form stringy fibrils such as the plaques seen in the brains of Alzheimer's patients. Many of these proteins bind to metals such as zinc, but the structure of ...
Materials Science
May 30, 2017
0
227
Rice University scientists have created a rechargeable lithium metal battery with three times the capacity of commercial lithium-ion batteries by resolving something that has long stumped researchers: the dendrite problem.
Nanophysics
May 18, 2017
0
773
Mars has electrically charged metal atoms (ions) high in its atmosphere, according to new results from NASA's MAVEN spacecraft. The metal ions can reveal previously invisible activity in the mysterious electrically charged ...
Space Exploration
Apr 10, 2017
4
666
(Phys.org)—A family of enzymes known as heme-copper oxidases (HCOs) plays a pivotal role in the reduction of oxygen into water during cellular respiration. One mystery surrounding heme-copper oxidases is why the non-heme ...
