Chemists from the University of Waterloo have successfully resolved two of the most challenging issues surrounding lithium-oxygen batteries, and in the process created a working battery with near 100 per cent coulombic efficiency.
Materials Science
Aug 23, 2018
4
1291
Researchers have identified a group of materials that could be used to make even higher power batteries. The researchers, from the University of Cambridge, used materials with a complex crystalline structure and found that ...
Materials Science
Jul 25, 2018
0
236
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
Purdue engineers have figured out a way to tackle plastic landfills while also improving batteries – by putting ink-free plastic soaked in sulfur-containing solvent into a microwave, and then into batteries as a carbon ...
Materials Science
May 9, 2018
1
309
The lithium-ion batteries that power laptops, electric cars and so many other modern gadgets operate on a simple plan: Lithium ions shuttle back and forth between two electrodes, inserting themselves into one of the electrodes ...
Nanophysics
Feb 23, 2018
0
183
Lithium-sulfur batteries are promising candidates for replacing common lithium-ion batteries in electric vehicles since they are cheaper, weigh less, and can store nearly double the energy for the same mass. However, lithium-sulfur ...
Polymers
Jan 18, 2018
0
220
If the epicenter of the electronics revolution is named after the material that made it possible—silicon?— then the birthplace of the photonics revolution may well be named after lithium niobate. While Lithium Niobate ...
Optics & Photonics
Dec 21, 2017
1
133
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
Scientists from Stanford University and the Department of Energy's SLAC National Accelerator Laboratory have captured the first atomic-level images of finger-like growths called dendrites that can pierce the barrier between ...
Energy & Green Tech
Oct 26, 2017
3
273
Most of the lithium used to make the lithium-ion batteries that power modern electronics comes from Australia and Chile. But Stanford scientists say there are large deposits in sources right here in America: supervolcanoes.
Earth Sciences
Aug 16, 2017
9
149
