Materials in lithium ion battery electrodes expand and contract during charge and discharge. These volume changes drive particle fracture, which shortens battery lifetime. A group of ETH scientists together with colleagues ...
Condensed Matter
Oct 17, 2013
0
0
(Phys.org) —Using x-rays at the National Synchrotron Light Source (NSLS), a group of researchers has studied, in great detail, the nanoscale workings of a lithium-ion battery, learning new information about the chemical ...
Materials Science
Aug 30, 2013
0
1
MIT researchers have engineered a new rechargeable flow battery that doesn't rely on expensive membranes to generate and store electricity. The device, they say, may one day enable cheaper, large-scale energy storage.
Energy & Green Tech
Aug 16, 2013
37
0
(Phys.org) —Silicon is in great demand. When used in lithium-ion batteries (LIBs), which power smartphones and electric and hybrid cars, silicon anodes have a much greater theoretical capacity than conventional graphite ...
(Phys.org) —Lithium ion batteries are at the energetic heart of almost all things tech, from cell phones to tablets to electric vehicles. That's because they are a proven technology, light, long-lasting and powerful. But ...
Nanophysics
Jul 8, 2013
0
0
(Phys.org) —A team of researchers at China's Wuhan National Laboratory for Optoelectronics has succeeded in creating a bendable tin dioxide cloth material that works as a photo detector complete with its own power source. ...
(Phys.org) —The market for thin, flexible, printed electronic circuits is potentially huge. Although tremendous advances have been made in printing organic semiconductors like thin-film transistors (TFTs), one of their ...
Chemists at Indiana University Bloomington have created a symmetrical, five-sided macrocycle that is easy to synthesize and has characteristics that may help expand the molecular tool box available to researchers in biology, ...
Materials Science
Jun 16, 2013
1
0
(Phys.org) —Researchers at Rice University have come up with a new way to boost the efficiency of the ubiquitous lithium ion (LI) battery by employing ribbons of graphene that start as carbon nanotubes.
Nanomaterials
Jun 13, 2013
1
0
(Phys.org) —Scientists at the Department of Energy's Oak Ridge National Laboratory have designed and tested an all-solid lithium-sulfur battery with approximately four times the energy density of conventional lithium-ion ...
Materials Science
Jun 5, 2013
42
0
