As solar cells produce a greater proportion of total electric power, a fundamental limitation remains: the dark of night when solar cells go to sleep. Lithium-ion batteries, the commonplace batteries used in everything ...
Materials Science
Sep 22, 2016
0
854
Wood-colored pulp from which white paper is to be produced, objectionable tooth discolorations or disinfecting work areas in hospitals and food production facilities: Due to its highly oxidizing and cell toxic effects hydrogen ...
Materials Science
May 30, 2016
1
9
Scientists have mapped the movement of charge through a designer material for the first time by using a combination of X-ray and neutron techniques. The material, known as a metal organic framework or "MOF", has been designed ...
Materials Science
May 17, 2016
0
8
Fuel cells, which generate electricity from chemical reactions without harmful emissions, have the potential to power everything from cars to portable electronics, and could be cleaner and more efficient than combustion engines.
Materials Science
May 16, 2016
0
933
In a rechargeable battery, the electrolyte transports lithium ions from the negative to the positive electrode during discharging. The path of ionic flow reverses during recharging. The organic liquid electrolytes in commercial ...
Materials Science
May 5, 2016
0
1152
(Phys.org)—As scientists look for alternative energy sources, fuel cells that operate in a basic environment have garnered much attention. Typically fuel cells require an expensive catalyst, such as platinum. Hydroxide ...
A lack of standards for testing polymer electrolyte membrane (PEM) fuel cells - the most attractive type of fuel cells for powering vehicles - has hampered objective comparative assessment of their performance and durability ...
Energy & Green Tech
Mar 29, 2016
0
11
A new thin-film electrolyte material that helps solid oxide fuel cells operate more efficiently and cheaply than those composed of conventional materials, and has potential applications for portable power sources, has been ...
Materials Science
Jan 21, 2016
0
24
(Phys.org)—A team of researchers from several institutions in China has developed a freestanding anode that can be used to transfer electrolytes from bacteria in wastewater to a microbial fuel cell. In their paper published ...
Researchers at Carnegie Mellon University have discovered how nanoscale polymer films limit future cost reductions in fuel cell electric vehicles, findings that will guide future research and development efforts.
Materials Science
Aug 31, 2015
0
49
