Fuel cells are a promising technology for clean and efficient electrical power generation, but their cost, activity, and durability are key challenges to commercialization. Today's fuel cells use expensive platinum (Pt)-based ...
Materials Science
Dec 16, 2016
2
1207
Films of platinum only two atoms thick supported by graphene could enable fuel cell catalysts with unprecedented catalytic activity and longevity, according to a study published recently by researchers at the Georgia Institute ...
Materials Science
Sep 18, 2019
0
383
Introduced in 2004, high-entropy alloys (HEAs) are alloys composed of multiple principal elements in nearly equiatomic proportions. Their unique chemical composition results in a high degree of chemical disorder, i.e., entropy, ...
Analytical Chemistry
Jul 28, 2023
0
127
A technique that introduces carbon-hydrogen molecules into a single atomic layer of the semiconducting material tungsten disulfide dramatically changes the electronic properties of the material, according to Penn State researchers ...
Nanomaterials
May 24, 2019
1
331
(PhysOrg.com) -- Materials containing bimetallic nanoparticles are attractive in vast technological fields because of their unique catalytic, electronic, and magnetic properties. One of the most promising of the bunch is ...
Nanomaterials
Mar 16, 2009
0
0
A team of scientists led by Nanyang Technological University, Singapore (NTU Singapore) have discovered the parameters that determine the efficiency of a class of low-cost catalysts called spinel oxides—a discovery that ...
Materials Science
Aug 3, 2020
0
1355
Finding and improving renewable energy sources is becoming increasingly important. One strategy to generate energy is breaking water molecules (H2O) apart in an electrochemical reaction known as electrolysis. This process ...
Nanophysics
Jan 28, 2019
0
27
Similar to the process of photosynthesis in plants, the conversion and storage of solar energy into chemical energy hold significant promise for addressing critical energy and environmental challenges, including the depletion ...
Analytical Chemistry
Oct 20, 2023
0
36
Detective work by Rice University chemists has defined a deception in graphene catalysts that, until now, has defied description.
Nanomaterials
Feb 26, 2018
1
334
The so-called three-way catalytic converter in the exhaust system of a car consists of expensive materials and only works correctly when the exhaust gases have a temperature that is several hundred degrees Celsius.
Analytical Chemistry
Jun 15, 2023
0
618
