Semiconductor works better when hitched to graphene
Graphene – a one-atom-thick sheet of carbon with highly desirable electrical properties, flexibility and strength – shows great promise for future electronics, advanced solar cells, protective coatings ...
Molten-air battery's storage capacity among the highest of any battery type
Zero-dimensional transistor harvests bubble energy wasted during water electrolysis
Salinity-gradient-power cell's surprisingly high voltage gives it best cost-per-watt of its kind
Can capacitors in electrical circuits provide large-scale energy storage?
Electric vehicles could stabilize large disturbances in power grid
Arizona solar plant achieves six hours after sun goes down
New connection between stacked solar cells can handle energy of 70,000 suns
(Phys.org) —North Carolina State University researchers have come up with a new technique for improving the connections between stacked solar cells, which should improve the overall efficiency of solar ...
Formula 1 racing focus turns to energy management
Liberating devices from their power cords: New structural 'supercaps' take a lickin', keep on workin'
(Phys.org) —Imagine a future in which our electrical gadgets are no longer limited by plugs and external power sources. This intriguing prospect is one of the reasons for the current interest in building ...
Renewable energy obtained from wastewater
Researchers from the Universitat Autònoma de Barcelona have devised an efficient way to obtain electrical energy and hydrogen by using a wastewater treatment process. The proposed system, published in Water Research, uses b ...
Driving down fuel usage: MIT spinout fits gas-guzzlers with electric powertrains, cutting gas consumption
Despite their potential to reduce carbon dioxide (CO2) emissions and fuel consumption, electric and hybrid cars and trucks struggled for years to find a solid customer base. Much of the reason came down to ...
Simulating how the Earth kick-started metabolism
(Phys.org) —Researchers have developed a new approach to simulating the energetic processes that may have led to the emergence of cell metabolism on Earth – a crucial biological function for all living ...
A promising light source for optoelectronic chips can be tuned to different frequencies
Chips that use light, rather than electricity, to move data would consume much less power—and energy efficiency is a growing concern as chips' transistor counts rise.