High-entropy nanoalloys (HENA) have widespread applications in materials science and applied physics. However, their synthesis is challenging due to slow kinetics that cause phase segregation, sophisticated pretreatment of ...
A nitrogen-doped, carbon-coated nickel anode can catalyze an essential reaction in hydrogen fuel cells at a fraction of the cost of the precious metals currently used, Cornell University researchers have found.
Materials Science
Mar 23, 2022
2
361
(Phys.org)—Fuel cells require a catalyst for the oxygen reduction reaction. One type of catalyst is nitrogen-doped graphene-oxide nanosheets. Graphene-oxide nanosheets are easily functionalized with other atoms such as ...
A team led by researchers at the UCLA Henry Samueli School of Engineering and Applied Science has developed nanostructures made from a compound of three metals that increases the efficiency and durability of fuel cells while ...
Materials Science
Jun 15, 2015
2
1750
(Phys.org)—Graphene nanoribbons formed into a three-dimensional aerogel and enhanced with boron and nitrogen are excellent catalysts for fuel cells, even in comparison to platinum, according to Rice University researchers.
Materials Science
Mar 2, 2015
1
33
(Phys.org) —Graphene quantum dots created at Rice University grab onto graphene platelets like barnacles attach themselves to the hull of a boat. But these dots enhance the properties of the mothership, making them better ...
Nanomaterials
Oct 1, 2014
4
1
As the world seeks sustainable solutions to meet escalating energy demands, a collaborative team of researchers from the Universities of Tartu and Copenhagen has proposed an innovative approach to overcome long-standing limitations ...
Analytical Chemistry
Mar 26, 2024
0
80
A group of researchers has answered some pressing questions regarding a new, promising class of catalysts known as single-atom catalysts (SACs).
Analytical Chemistry
Feb 21, 2024
0
16
Lithium-oxygen (Li-O2) batteries are promising due to their high theoretical energy density. However, the poor catalytic performance of the technology's air cathode impeded its commercialization.
Nanomaterials
Oct 17, 2022
0
84
A tenacious postdoc researcher persuaded Professor Marc Koper to research the oxygen reduction reaction. In Koper's eyes, there was little of interest there. But they promptly discovered a whole new way to improve fuel cells ...
Materials Science
Jul 11, 2022
0
400
