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July 20 2018


Denver takes big step on renewables

Washington (UPI) Jul 18, 2018
A commitment from Denver's mayor to use renewable energy for all city facilities by the middle of the next decade is a win for the state, advocates said. In his annual State of the City address from earlier this week, Denver Mayor Michael Hancock said he would move to abate the risks from climate change with strong renewable energy commitments. "We're going to lead by example by

Solar thermal energy will help China cut costs of climate action

Washington DC (SPX) Jul 19, 2018
China's power systems operators must invest in renewable energy to meet climate commitments. Wind power and PV are the lowest cost renewables, but they only deliver power when it's windy or sunny. By contrast, more expensive Concentrated Solar Power (CSP), which can store its solar energy relatively inexpensively, and for long durations, can deliver power at any time, day or night. S

WorleyParsons' Advisian wins major role on world's largest solar power project

Dubai, UAE (SPX) Jul 19, 2018
Noor Energy 1, the joint venture between ACWA Power and the Dubai Electricity and Water Authority (DEWA), has appointed Advisian, the global consulting firm of WorleyParsons, as Owner's Engineer for the concentrating solar power (CSP) fourth phase (DEWA IV) of the Mohammed bin Rashid Al Maktoum Solar Park in Dubai. The 700MW project will be the largest of its kind in the world. As an Owner

Design rules for minimizing voltage losses in high-efficiency organic solar cells

Linkoping, Sweden (SPX) Jul 19, 2018
Twenty-five researchers from seven research institutes have put their heads together to draw up rules for designing high-efficiency organic solar cells. The research is led by Feng Gao, associate professor at Linkoping University, Sweden. Organic solar cells, made from carbon-based materials, present unique advantages compared with other solar cell technologies. For example, they can be ma

July 19 2018


New solar sailing technology for NASA

Researchers is taking solar sailing to the next level with advanced photonic materials. This new class of materials could be used to steer reflected or transmitted photons and enable near-Earth, interplanetary and interstellar space travel.

Traveling to the sun: Why won't Parker Solar Probe melt?

This summer, NASA's Parker Solar Probe will launch to travel closer to the Sun, deeper into the solar atmosphere, than any mission before it. Cutting-edge technology and engineering will help it beat the heat.

NYSERDA announces completion of largest solar installation in New York City

Albany NY (SPX) Jul 19, 2018
The New York State Energy Research and Development Authority (NYSERDA) has announced the completion of the largest solar system installed in New York City in Staten Island. The 3.1-megawatt solar array will offset a large portion of the electricity used by Fordham University and Fordham Preparatory School in the Bronx, supporting Governor Andrew M. Cuomo's nation-leading clean energy goal mandat

Chemical engineers pack more energy in same space for reliable battery

College Park, MD (SPX) Jul 19, 2018
The success of electric car batteries depends on the miles that can be driven on a single charge, but the current crop of lithium-ion batteries are reaching their natural limit of how much charge can be packed into any given space, keeping drivers on a short tether. Now, researchers at the University of Maryland (UMD), the U.S. Army Research Laboratory (ARL), and Argonne National Laborator

July 17 2018


How gold nanoparticles could improve solar energy storage

New Brunswick NJ (SPX) Jul 13, 2018
Star-shaped gold nanoparticles, coated with a semiconductor, can produce hydrogen from water over four times more efficiently than other methods - opening the door to improved storage of solar energy and other advances that could boost renewable energy use and combat climate change, according to Rutgers University-New Brunswick researchers. "Instead of using ultraviolet light, which is the

July 16 2018


How to build efficient organic solar cells

Twenty-five researchers from seven research institutes have put their heads together to draw up rules for designing high-efficiency organic solar cells.

July 15 2018


Material could help windows both power your home and control its temperature

Washington DC (SPX) Jul 12, 2018
Environmentally friendly building trends have boosted the popularity of window coatings that keep heating and cooling costs down by blocking out unneeded parts of sunlight. They have also inspired scientists and engineers to create thin, see-through solar cells to turn windows into miniature electricity generators. Researchers in China have gone a step further and combined these two functi

Bacteria-powered solar cell converts light to energy, even under overcast skies

Vancouver, Canada (SPX) Jul 12, 2018
University of British Columbia researchers have found a cheap, sustainable way to build a solar cell using bacteria that convert light to energy. Their cell generated a current stronger than any previously recorded from such a device, and worked as efficiently in dim light as in bright light. This innovation could be a step toward wider adoption of solar power in places like British

Longer contracts leverage the free fuel in solar power at little OM costs

Washington DC (SPX) Jul 13, 2018
The world's first 35-year day or night solar contract (ACWA Power's with DEWA in Dubai) also had a record-low price for solar with storage - of just 7.3 cents per kWh. Energy developers always look to find ways to structure deals to reduce their costs. A key task in developing utility-scale renewable energy projects is finding every possible way to reduce the price at which you must sell p

Latin America's largest solar park turns Mexican desert green

Viesca, Mexico (AFP) July 13, 2018
Driving through the endless dunes and cacti of the Chihuahuan desert in northern Mexico, a shimmering blue field suddenly appears on the horizon - not a mirage, but the largest solar park in Latin America. This silent stretch of sand in the state of Coahuila is the spot the Italian energy giant Enel picked to build the Villanueva power plant: 2.3 million solar panels that sprawl across a su

Salt is key ingredient for cheaper and more efficient batteries

Nottingham UK (SPX) Jul 16, 2018
A new design of rechargeable battery, created using salt, could lead the way for greener energy. Researchers at the University of Nottingham Ningbo China (UNNC) have joined forces with a specialist group at the Shanghai Institute of Applied Physics (SINAP), Chinese Academy of Sciences on designs for the novel energy store which allows for greater power while also lasting longer than conventional

July 12 2018


How gold nanoparticles could improve solar energy storage

Star-shaped gold nanoparticles, coated with a semiconductor, can produce hydrogen from water over four times more efficiently than other methods - opening the door to improved storage of solar energy and other advances that could boost renewable energy use and combat climate change, according to researchers.

July 11 2018


New world record for direct solar water-splitting efficiency

Berlin, Germany (SPX) Jul 11, 2018
Teams from the California Institute of Technology, the University of Cambridge, Technische Universitaet Ilmenau, and the Fraunhofer Institute for Solar Energy Systems ISE participated in the development work. One part of the experiments took place at the Institute for Solar Fuels in the Helmholtz-Zentrum Berlin. Photovoltaics are a mainstay of renewable-energy supply systems, and sunlight

July 10 2018


Conductive property of graphene, advancing promise of solar technology

Researchers have connected a graphene layer with two other atomic layers (molybdenum diselenide and tungsten disulfide) thereby extending the lifetime of excited electrons in graphene by several hundred times. The work may speed development of ultrathin and flexible solar cells with high efficiency.

High performance nitride semiconductor for environmentally friendly photovoltaics

Tokyo, Japan (SPX) Jul 06, 2018
A Tokyo Institute of Technology research team has shown copper nitride acts as an n-type semiconductor, with p-type conduction provided by fluorine doping, utilizing a unique nitriding technique applicable for mass production and a computational search for appropriate doping elements, as well as atomically resolved microscopy and electronic structure analysis using synchrotron radiation. T

Self-heating, fast-charging battery makes electric vehicles climate-immune

University Park PA (SPX) Jul 06, 2018
Californians do not purchase electric vehicles because they are cool, they buy EVs because they live in a warm climate. Conventional lithium-ion batteries cannot be rapidly charged at temperatures below 50 degrees Fahrenheit, but now a team of Penn State engineers has created a battery that can self-heat, allowing rapid charging regardless of the outside chill. "Electric vehicles are popul
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