Harnessing the power of algae—new, greener fuel cells move step closer to reality
Jan 10, 2018
A new design of algae-powered fuel cells that is five times more efficient than existing plant and algal models, as well as being potentially more cost-effective to produce and practical to use, has been developed by researchers ...
Renaissance of the iron-air battery
Nov 17, 2017
Iron-air batteries promise a higher energy density than present-day lithium-ion batteries. Their main constituent, iron, is an abundant and cheap material. Scientists from Forschungszentrum Jülich are pursuing research into ...
Paper supercapacitor addresses power/energy density tradeoff
Sep 27, 2017 feature
By coating ordinary paper with layers of gold nanoparticles and other materials, researchers have fabricated flexible paper supercapacitors that exhibit the best performance of any textile-type supercapacitor to date. In ...
Localized orbital scaling correction functional ushering DFT to a new level of accuracy
Sep 14, 2017
Kohn-Sham density functional theory is one of the most successful theories in chemistry. It is formally rigorous; its relatively low computational cost and competitive accuracy in small and medium-sized systems make it one ...
Watches, LEDs powered by yarn battery
Aug 25, 2017 feature
(Phys.org)—Researchers have fabricated rechargeable batteries by using highly conductive yarns that have a diameter and flexibility similar to that of a piece of cotton yarn. The new yarn battery can be woven into fabric ...
Engineers produce long lasting, energy density battery
Aug 01, 2017
A new generation of manganese dioxide-zinc batteries with unprecedented cycle life and energy density is the latest innovation at The City College of New York-based CUNY Energy Institute. The discovery has made the common ...
Study demonstrates a better way to store renewable energy
Jun 22, 2017
In an effort to find better ways to store renewable energy, physicists at the University of Arkansas, in collaboration with a scientist at the Luxembourg Institute of Science and Technology, have shown that antiferroelectrics ...
Researchers experiment with geometric factors to maximize plasma jet length
Jun 20, 2017
Bursts of plasma, called plasma jets, have numerous uses ranging from the development of more efficient engines, which could one day send spacecraft to Mars, to industrial uses like spraying nanomaterial coatings on 3-D objects.
For storing energy from renewable sources, scientists turn to antiferroelectrics
Jun 08, 2017 feature
(Phys.org)—One of the greatest challenges in generating energy from renewable sources is finding a way to store the continuously fluctuating energy being produced. Batteries, supercapacitors, and most other energy-storage ...
Discovery of a facile process for H2 production using ammonia as a carrier
Apr 28, 2017
Hydrogen (H2) has attracted considerable attention as a clean energy source because the only by-product of its reaction with oxygen is water, and high efficiency for energy conversion is achieved when it is combined with ...