Renewable Energy News -- ScienceDaily
Renewable Energy Sources. Read the latest research on renewable sources of energy such as solar energy, wind power, nuclear energy, hydrogen fuel, ethanol, methane and other alternative energy sources.
Storage is renewable energy's greatest challenge -- this low-cost sulfur batt...
11 Oct 2017 at 9:38am
Motivated by the challenge to drastically reduce the cost of storing renewable energy on the grid while capturing more of it, a group of scientists has developed a battery powered by sulfur, air, water, and salt -- all readily available materials -- that is nearly 100 times less expensive to produce than batteries currently on the market and can store twice as much energy as a lead-acid battery. The inventors present their prototype in Joule.
Beyond EPA's Clean Power decision: Climate action window could close as early...
11 Oct 2017 at 9:38am
As the Trump administration repeals the US Clean Power Plan, a new study underscores the urgency of reducing greenhouse gas emissions -- from both environmental and economic perspectives.
Huge energy potential in open ocean wind farms in the North Atlantic
9 Oct 2017 at 12:49pm
Because wind speeds are higher on average over ocean than over land, wind turbines in the open ocean could in theory intercept more than five times as much energy as wind turbines over land. This presents an enticing opportunity for generating renewable energy through wind turbines. But it was unknown whether the faster ocean winds could actually be converted to increased amounts of electricity.
Solar energy: Prototype shows how tiny photodetectors can double their effici...
9 Oct 2017 at 9:32am
Physicists have developed a photodetector -- a device that converts light into electrons -- by combining two distinct inorganic materials and producing quantum mechanical processes that could revolutionize the way solar energy is collected. The researchers stacked two atomic layers of tungsten diselenide on a single atomic layer of molybdenum diselenide. Such stacking results in properties vastly different from those of the parent layers, allowing for customized electronic engineering at the tiniest possible scale.
Breakthrough in direct activation of CO2 and CH4 into liquid fuels and chemicals
6 Oct 2017 at 9:40am
Researchers have made a significant breakthrough in the direct conversion of carbon dioxide (CO2) and methane (CH4) into liquid fuels and chemicals which could help industry to reduce greenhouse gas emissions whilst producing valuable chemical feedstocks.
New 'molecular trap' cleans more radioactive waste from nuclear fuel rods
5 Oct 2017 at 8:10am
A new method for capturing radioactive waste from nuclear power plants is cheaper and more effective than current methods, a potential boon for the energy industry, according to new research.
New nanomaterial can extract hydrogen fuel from seawater
4 Oct 2017 at 1:20pm
A new hybrid nanomaterial harvests solar energy and uses it to extract hydrogen from seawater, cheaply and efficiently. Future commercialization could mean a new source of environmentally friendly fuel and less dependence on fossil fuels.
A new way to produce clean hydrogen fuel from water using sunlight
4 Oct 2017 at 11:01am
Researchers combined graphitic carbon nitride and black phosphorous to make a new metal-free composite photocatalyst capable of producing hydrogen from water. The photocatalyst featured good photocatalytic production of hydrogen, even when powered by low-energy near infrared light.
New study changes our view on flying insects
29 Sep 2017 at 8:49am
For the first time, researchers are able to prove that there is an optimal speed for certain insects when they fly. At this speed, they are the most efficient and consume the least amount of energy. Corresponding phenomena have previously been demonstrated in birds, but never among insects.
Perovskite solar cells reach record long-term stability, efficiency over 20 p...
28 Sep 2017 at 11:20am
Scientists have greatly improved the operational stability of perovskite solar cells by introducing cuprous thiocyanate protected by a thin layer of reduced graphene oxide. Devices lost less than 5 percent performance when subjected to a crucial accelerated aging test during which they were exposed for more than 1,000 hours to full sunlight at 60°C.
Energy harvested from evaporation could power much of US
26 Sep 2017 at 9:51am
In the first evaluation of evaporation as a renewable energy source, researchers find that US lakes and reservoirs could generate 325 gigawatts of power, nearly 70 percent of what the United States currently produces.
Wearable solar thermoelectric generator created
26 Sep 2017 at 7:55am
Engineers have introduced a new advanced energy harvesting system, capable of generating electricity by simply being attached to clothes, windows, and outer walls of a building.
Fully renewable India in 2050 can take a shortcut to emission-free future
25 Sep 2017 at 8:16am
India can function on a fully renewable electricity system in 2050, research indicates. The study shows that developing countries that have an abundance of renewable resources do not need to take the path of the western countries where increasing living standards have been coupled with heavy emissions from electricity generation and other industry. They can move straight to renewable systems and do it cheaply.
Semitransparent and flexible: Solar cells made from atomically thin sheet
25 Sep 2017 at 6:55am
A new method for fabricating semitransperant, flexible solar cells has greatly improved power conversion efficiency.
A sustainable future powered by sea
22 Sep 2017 at 6:40am
Researchers develop turbines to convert the power of ocean waves into clean, renewable energy.