Controlling the flow of heat through materials is important for many technologies. While materials with high and low thermal conductivities are available, materials with variable and reversible thermal conductivities are ...
Materials Science
Jun 3, 2014
0
0
Photocatalytic splitting of water uses sunlight to split water into hydrogen and oxygen. It is an environmentally friendly way to obtain hydrogen for fuel cells. In the journal Angewandte Chemie, Japanese researchers have ...
Materials Science
Sep 17, 2013
0
0
Researchers at Sandia National Laboratories have confirmed the particle-by-particle mechanism by which lithium ions move in and out of electrodes made of lithium iron phosphate (LiFePO4, or LFP), findings that could lead ...
Nanophysics
Jun 11, 2013
0
0
(Phys.org) -- Hydrogen is a clean fuel, producing only water vapor when it burns. But generating hydrogen in large quantities and in a “green” fashion is not straightforward.
Materials Science
Aug 15, 2012
0
0
(Phys.org) -- Cornell materials scientists have developed an inexpensive, environmentally friendly way of synthesizing oxide crystal sheets, just nanometers thick, which have useful properties for electronics and alternative ...
Nanomaterials
Apr 11, 2012
0
0
The existence of an intermediate-spin (IS) state in cobalt oxides has long been a subject of dispute. A recent resonant X-ray scattering experiment has clearly demonstrated Co3+ eg orbital ordering in Sr3YCo4O10.5, which ...
General Physics
Aug 3, 2011
0
0
(PhysOrg.com) -- Spintronics — also known as magnetoelectronics — may replace electronics as the medium of choice for computer memory. The discovery of a mechanism that produces permanent magnets at room temperature, ...
General Physics
Apr 22, 2011
1
1
A new type of air-fuelled battery could give up to ten times the energy storage of designs currently available.
Energy & Green Tech
May 18, 2009
16
0
For the first time, MIT researchers have shown they can genetically engineer viruses to build both the positively and negatively charged ends of a lithium-ion battery.
Nanomaterials
Apr 2, 2009
4
0
A research team consisting of NIMS and the Tokyo Institute of Technology has identified materials capable of catalyzing the conversion of ortho-hydrogen to para-hydrogen. These catalysts should be essential to the spread ...
Analytical Chemistry
Mar 5, 2024
0
3
