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Utilization of renewable solar energy is crucial for addressing the global energy and environmental concerns and achieving sustainable development. In this regard, photocatalytic water splitting has attracted significant interest as a cost-effective means to convert sustainable solar energy into valuable chemicals. Credit: DICP.
Researchers at the University of Cambridge, with colleagues at the University of Tokyo, have developed a standalone device that converts sunlight, carbon dioxide and water into formic acid, a carbon-neutral fuel, without requiring any additional components or electricity. Qian Wang et al. Nature Energy doi: 10.1038/s41560-020-0678-6.
Israel-based NewCO2Fuels (NCF), a subsidiary of GreenEarth Energy Limited in Australia, reported completion of stage 1 testing of its proof-of-concept system for the conversion of CO 2 into fuels using solar energy. Simultaneously, the same device can dissociate water (H 2 O) to hydrogen (H 2 ) and oxygen (O 2 ). Click to enlarge.
The overall system is controlled by Toshiba’senergy management system H2EMS, which carries out power generation and power storage with associated operation of a 30-kW solar power system and batteries.
volts (V) of water-splitting voltage with its novel low-cost electrolysis technology. The theoretical minimum voltage needed to split water molecules into hydrogen and oxygen is 1.23 Nanosystem for water electrolysis. HyperSolar, Inc. announced that it had reached 1.25 V (at 25 °C at pH 0). Click to enlarge. Protective Coating.
Energy Vault’s advanced gravity energy storage solutions are based on the proven physics and mechanical engineering fundamentals of pumped hydroelectric energy storage, but replace water with custom-made composite blocks, or “mobile masses”, which do not lose storage capacity over time. barrel per ton of feedstock.
The US Department of Energy (DOE) released a new report that frames an integrated challenge and opportunity space around the water-energy nexus for DOE and its partners and lays the foundation for future efforts. Present day water and energy systems are tightly intertwined. Source: DOE. Click to enlarge.
Joule, the developer of a direct, single-step, continuous process for the production of solar hydrocarbon fuels ( earlier post ), has extended its solar CO 2 conversion platform to produce renewable gasoline- and jet fuel-range hydrocarbons. Earlier post.).
However, lithium is sourced almost exclusively from other countries, either concentrated using a solar evaporation process from natural brine sources or recovered from ore. These plants pump hot water from geothermal deposits and use it to generate electricity. Those brines can contain as much as 250 to 300 parts-per-million lithium.
The primary goal of this funding opportunity ( DE-FOA-0000949 ) is to provide disruptive new solar conversion and storage technology options to enable a much higher penetration of solar energy generation into the US energy mix. a) Hybrid solar converter (award Categories 1A and 1B). b) Hybrid storage system (award Category 2).
The feed-stock reduction is achieved primarily by supplementing the process with oxygen and hydrogen produced by water electrolysis units that are powered by clean wind and solar generated electricity. DGF’s cellulosic feedstock does not impair food supply and is essentially water neutral. —Christopher J.
Thomas Built Buses, a subsidiary of Daimler Trucks North America LLC (DTNA), says it has become the first school bus manufacturer to achieve Zero-Waste-to-Landfill operations. Zero-Waste-to-Landfill means that everything received or produced by the company is used, reused, recycled or sold, and nothing is sent to the landfill.
The home is also three times more water-efficient than a typical US home. A 10 kWh battery energy storage system in the garage, using the same lithium-ion cells that are used in the Honda Fit EV, allows stored solar energy to be used at night, when household demand typically peaks and electric vehicles are usually charged.
The researchers and engineers at ETH Zurich have developed innovative processes that make it possible to extract CO 2 from the atmosphere and, together with water and with the help of concentrated sunlight, convert it into a synthesis gas that can be used to produce jet fuel.
MW solar park at Chattanooga is owned and operated by Silicon Ranch; VW has signed a 20-year power purchase agreement. Volkswagen inaugurated its largest solar facility in the world—also the largest solar facility operated by an automaker in the US—at its plant in Chattanooga, TN, which produces the Passat model for North America.
Joule Unlimited’s direct, single-step, continuous process for the production of solar hydrocarbon fuels ( earlier post ) can produce the areal equivalent of up to 15,000 gallons of diesel per acre annually, according to a new open access paper by a Joule team published in the journal Photosynthesis Research. Source: Robertson et al.
A team at Deutsches Zentrum für Luft- und Raumfahrt (DLR) has successfully integrated solar heat into a solid oxide electrolyzer. The experimental setup of the prototype system consisted of a solar simulator, a solar steam generator, a steam accumulator and a solid oxide electrolyzer. Schiller et al. A small fraction (0.58
During the plant’s physical transition, concrete waste was repurposed to create temporary roadways. The site also recycled stormwater to reduce discharge costs and offset the cost of potable water. The factory also features a 30-kilowatt solar carport and 516-kilowatt ground-mount photovoltaic solar array from DTE.
Since 2010, SEAT, a member of the Volkswagen Group, has improved its production-related environmental footprint by 34% on average with measures to emit less CO 2 and fewer volatile organic compounds, generate less waste and consume less water and energy. less waste. less waste. and 30.9%, respectively. and generated 34.2%
Researchers at Rice have demonstrated an efficient new way to use solar energy for water splitting. Structure and mechanism of operation of plasmonic photocathode for plasmon-mediated direct electron injection to drive solar-to-chemical energy conversion. (a) b) Energy schematic of the structure. —Robatjazi et al.
MW solar park at Chattanooga is owned and operated by Silicon Ranch; VW has signed a 20-year power purchase agreement. The award recognizes EPA Green Power Partners who distinguish themselves using on-site renewable energy applications, such as solar photovoltaic (PV) or landfill gas. Click to enlarge. Earlier post.). 2012 baseline.
The biomethane used as raw material was obtained from urban solid waste. Repsol is transforming its industrial complexes into multi-energy hubs capable of transforming waste and other renewable raw materials into products with a low, zero, or even a negative carbon footprint. GW in 2030. billion, compared to the €5.5
By rapidly ramping up and down in response to fluctuations in wind and solar power, the technology will enable the integration of more renewable resources into the power grid, GE says. A 109D-14 Steam Turbine, which runs on the waste heat produced by the gas turbine. GE’s advanced W28 Generator with water-cooled stator.
The thermochemical production of hydrogen and oxygen from water via a series of chemical reactions is of interest because it directly converts thermal energy into stored chemical energy (hydrogen and oxygen), and thus can take advantage of excess heat given off by other processes. —Xu et al. NaMnO 2 at 850 °C; Na + extraction from ?-NaMnO
Other successful initiatives—highlighted in Ford’s 13th annual Sustainability Report—include reductions in water use, waste-to-landfill and CO 2 emissions as well as improvements in vehicle fuel economy and safety. The company also announced plans to reduce usage another 25% on a per-vehicle basis by 2016.
Cyclonatix, Inc is developing an industrial-sized motor/controller to operate with either DC or AC power sources, for applications in electric vehicles, solar-powered pumps, HVAC&R, gas compressors, and other commercial and industrial machines which require high efficiency, variable speed/torque, and low cost. Leap Photovoltaics Inc.
By understanding how materials and devices transform under operation, we can design approaches that are more durable and thus reduce waste. Electron microscopy experiments at the Molecular Foundry confirmed that cuprous oxide quickly oxidizes or corrodes within minutes of exposure to light and water.
Joule says Lea County ideally meets it requirements for production, including high solar insolation, access to non-potable water and waste CO 2. The process is closed and uses industrial waste CO 2 at concentrations 50–100 times higher than atmospheric. Joule Unlimited, Inc.,
More than half of them sell biomethane produced entirely from waste, and this number is increasing. The synthetic fuel is produced at the power-to-gas plant in Werlte from water and carbon dioxide using electricity generated by wind power. Audi sources the CO 2 from an adjacent biogas plant that recycles agricultural waste.
Dresser-Rand will showcase its Guascor biogas engines—with ratings from 140 to 1240 kW—to visitors attending the Water Institute of Southern Africa (WISA) Biennial Conference & Exhibition 2014. Dresser-Rand is among the largest suppliers of rotating equipment solutions worldwide.
This H 2 filling station—the eleventh in the TOTAL network and the tenth in the German federal state of Baden-Württemberg—is differentiated by producing hydrogen on-site through steam electrolysis, using electricity generated by a solar array. —Nils Aldag, Chief Commercial Officer at Sunfire.
Globally, water demand is threatening to dangerously outpace supply, while in the US, dry states such as Texas and California are suffering from shortages and the future forebodes more suffering. For the North American shale boom, the lack of water is suffocating. How we can turn toilet water into tap water.
GMZ Energy has developed one of the most efficient and low-cost materials to generate electricity from heat with numerous applications—from electricity-generating solarwater heaters to technology that increases automobile-fuel efficiency.
The US Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E) announced $11 million in funding for 7 projects in the fourth and fifth cohorts of the agency’s OPEN+ program: Energy-Water Technologies and Sensors for Bioenergy and Agriculture. Energy-Water Technologies cohort.
Now the slick but dry state is becoming famous for water: that precious element that both resolves the drought problem and also makes it possible to pump more oil out of the ground. At the same time, the new technology uses no chemicals, rendering it quite possibly the ‘greenest’ water processing technology in operation today.
We therefore electrically powered several of the vehicle’s auxiliary items of equipment such as the air-conditioning, water pump, fuel pump and the steering pump. We then multiplied the sources of electrical energy for power units by adding solar panels and installing an exhaust gas heat energy recovery system based on the Rankine cycle.
Among the latest initiatives will be an extension of on-site energy production at Crewe, aiming to increase the number of solar panels from 30,000 to 40,000 in the next two years. Moreover, Bentley is investigating using sustainable biofuel in fleet cars, including Bentley’s iconic Heritage Collection.
The technology is designed to recover waste heat from residential hot water heaters and reduce greenhouse gas emissions through the use of hydrogen fuel cell vehicles. Matthew Summers of Summers Consulting LLC will receive $95,000 to optimize biofuel production from organic waste through DNA and RNA molecular testing.
Capstone microturbines can run on a variety of fuels, including natural gas, waste methane from landfills, biodiesel, diesel, kerosene and propane. Microturbine Powered Solar Concentrator System. HelioFocus has previously developed a proprietary solar receiver to convert concentrated solar energy into superheated air.
After a decade in the solar power installation business, Bradley Bartz is tired of being Mr. Nice Guy. He’s filed suit against Torrance, the proud home of Exxon/Mobil’s refinery, for stopping him from installing solar panels in the Hillside Overlay district. Just two people live in its 3000+ energy-wasting square feet.
Solar panels are built to last 25 years or more in all kinds of weather. But the sticky polymer is hard to separate from the silicon cells at the end of a solar panel’s life, making recycling the materials more difficult. National Renewable Energy Lab (NREL) in Golden, Colorado say they’ve found a better way to seal solar modules.
Researchers at Berkeley Lab, led by Dr. Heinz Frei of the Physical Biosciences Division, reported the first direct temporally resolved observations of intermediate steps in water oxidation using the Earth-abundant catalyst cobalt oxide (Co 3 O 4 ). The oxidation of water to molecular oxygen is a four-electron process involving multiple steps.
Taiwan’s government is hoping that the more than 400 square kilometers of fishponds can simultaneously produce a second harvest: solar power. hectares of abandoned land in Tainan’s fishpond-rich Qigu district, created earthen berms to delineate the two dozen ponds, and installed solar panels along the berms and over 6 reservoir ponds.
In a deal brokered by the city’s newly commissioned Citizens Environmental Task Force, Exxon/Mobil, owners of the Exxon/Mobil Refinery in the City of Torrance agreed today to fund a bond that will make low cost financing of solar energy systems for home and apartment owners. 3. Water Conservation. 4. Waste & Recycling.
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