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EPFL researchers have built a pilot-scale solar reactor that produces usable heat and oxygen, in addition to generating hydrogen with unprecedented efficiency for its size. This is the first system-level demonstration of solar hydrogen generation. Holmes-Gentle et al.
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.
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.
A study by a team of researchers from Technische Universität Berlin (TUB) and Fritz-Haber-Institut der Max-Planck-Gesellschaft has found that direct seawater splitting for hydrogen production has substantial drawbacks compared to conventional water splitting and offers almost no advantage. Additionally, H 2 O is needed for water splitting.
The Dutch Institute for Fundamental Energy Research ( DIFFER ) is partnering with Toyota Motor Europe (TME) to develop a device that absorbs water vapor, and splits it into hydrogen and oxygen directly using solar energy. In this project, DIFFER and TME are exploring an innovative way to produce hydrogen directly out of humid air.
Researchers at the University of Southampton have transformed optical fibers into photocatalytic microreactors that convert water into hydrogen fuel using solar energy. Alongside hydrogen generation from water, the multi-disciplinary research team is investigating photochemical conversion of carbon dioxide into synthetic fuel.
The Sparc Green Hydrogen process combines concentrated solar (CS) with photocatalytic water splitting. The company’s key development allows for reduced photocatalyst use and integration with existing concentrated solar systems. The facility is home to Australia’s largest solar thermal research hub.
Researchers in Israel have designed a separate-cell photoelectrochemical (PEC) water-splitting system with decoupled hydrogen and oxygen cells for centralized hydrogen production. Conceptual illustration of a solar hydrogen refueling station with distributed PEC solar cells producing oxygen and a centralized hydrogen generator.
ETH Zurich spin-off Synhelion has started the construction of DAWN—its own industrial plant to produce synthetic fuels using solar heat. The production process—using only solar heat—was first demonstrated in 2019 in a mini-refinery on the roof of ETH Zurich. Earlier post.)
The nanostructured photoelectrode results in spontaneous hydrogen evolution from water without any external bias applied with a faradaic efficiency of 30% and excellent stability. A promising way of storing solar energy is via chemical fuels, in particular hydrogen as it is considered as a future energy carrier. —Pawar and Tahir.
A research team led by Daegu Gyeongbuk Institute Of Science And Technology (DGIST) Professor Jong-Sung Yu in Korea, with colleagues at UC Berkeley and Xi’an Jiaotong University in China, has successfully developed a new catalyst synthesis method that can efficiently decompose water into oxygen and hydrogen using solar light.
Researchers at Monash University in Australia have conducted a lifecycle analysis and net energy analysis (LCA/NEA) of a hypothetical large-scale solar-electrolysis plant for the production of green hydrogen. of hydrogen is currently produced via water electrolysis and only a fraction of this production is powered by renewable energy.
Photoelectrochemical (PEC) water splitting based on solar energy is one promising approach for the production of green hydrogen. However, its widespread application is limited by a lack of efficient photoanodes for catalyzing the rate-limiting oxygen evolution reaction (OER), an important reaction in PEC water splitting.
Rice University researchers have created an efficient, low-cost device that splits water to produce hydrogen fuel. The platform developed by the Brown School of Engineering lab of Rice materials scientist Jun Lou integrates catalytic electrodes and perovskite solar cells that, when triggered by sunlight, produce electricity.
The NREL scientists analyzed solar thermochemical hydrogen (STCH) production, which can be potentially more energy-efficient than producing hydrogen via the commonly used electrolysis method. Electrolysis needs electricity to split water into hydrogen and oxygen. A conceptual solar thermochemical hydrogen production platform.
the developer of a technology to produce renewable hydrogen using sunlight and water ( earlier post ), is working with Suzhou GH New Energy Co. a division of GCL Poly, in China to make the final modifications to the solar cells required to manufacture the Gen 1 hydrogen production panels to be used in demonstration pilot plants.
The focus lies on the challenges that are key to Audi: decarbonization; water utilization; resource efficiency; and biodiversity. This solar energy park, covering an area of approximately 160,000 square meters, consists of 36,400 solar cells and provides a maximum performance of twelve megawatts.
Scientists at Tokyo Institute of Technology (Tokyo Tech) have developed a hybrid material constructed from a metal oxide nanosheet and a light-absorbing molecule for splitting water molecules (H 2 O) to obtain hydrogen (H 2 ) under sunlight. Dye-sensitized H 2 evolution using a wide-gap metal oxide. Adopted with permission. 0c02053.
The US Department of Energy (DOE) selected the National Alliance for Water Innovation (NAWI) to lead a US Department of Energy (DOE) Energy-Water Desalination Hub that will address water security issues in the United States. This suite of technologies will treat “non-traditional” water sources for multiple end-use applications.
The BMW Group will begin sourcing aluminum produced using solar electricity with immediate effect. The use of solar electricity is therefore an effective lever for reducing the CO 2 emissions associated with aluminum smelting. The use of solar electricity for producing aluminum is a major step in this direction.
Heliogen and Bloom Energy have successfully demonstrated the production of green hydrogen by integrating the companies’ technologies: Heliogen’s concentrated solar energy system and the Bloom Electrolyzer. Because it operates at high temperatures, the Bloom Electrolyzer requires less energy to break up water molecules and produce hydrogen.
A team of researchers in Israel has developed a two-step electrochemical-chemical cycle for decoupled water splitting with high efficiency. In the two-step electrochemical–thermally activated chemical (E-TAC) cycle process, water is reduced to hydrogen gas at the cathode, liberating OH – ions. —Dotan et al. 2H 2 + O 2.
A research group led by Associate Professor Takashi Tachikawa of Kobe University’s Molecular Photoscience Research Center has developed a strategy that greatly increases the amount of hydrogen produced from sunlight and water using hematite (??Fe Mesocrystal photoanode formation and photochemical water splitting characteristics.
Scientists from the US Department of Energy’s National Renewable Energy Laboratory (NREL) and Lawrence Berkeley National Laboratory (Berkeley Lab) are providing researchers with a guide to how best to measure the efficiency of producing hydrogen directly from solar power. PEC water-splitting was first noted in scientific publications in 1972.
One environmental concern of the downstream sector is that of water consumption at lithium brine facilities, which operate in some of the driest areas on the planet. Brine operations use solar, chemical, and/or physical means to produce refined lithium products for use in the battery sector. Source: Roskill.
Researchers from the US Department of Energy’s (DOE) Argonne National Laboratory have combined two membrane-bound protein complexes to perform a complete conversion of water molecules to hydrogen and oxygen. Poluektov (2018) “Z-scheme solarwater splitting via self-assembly of photosystem I-catalyst hybrids in thylakoid membranes” Chem.
Researchers at Uppsala University have developed photocatalytic composite polymer nanoparticles (“polymer dots”) that show promising performance and stability for the production of hydrogen from water and sunlight. Since polymer dots (Pdots) are so tiny, they are evenly distributed in water.
Bioscience engineers at KU Leuven have created a solar panel that produces hydrogen gas from moisture in the air. Twenty of these solar panels could provide electricity and heat for one family for an entire winter. A traditional solar panel converts between 18 to 20% of the solar energy into electricity.
Scientists at Tokyo Institute of Technology (Tokyo Tech) have demonstrated the first visible-light photoelectrochemical system for water splitting using TiO 2 enhanced with cobalt. The proposed approach is simple and represents a stepping stone in the quest to achieve affordable water splitting to produce hydrogen. —Prof.
A cheaper, cleaner and more sustainable way of making hydrogen fuel from water using sunlight is closer with new research from the University of Bath’s Centre for Sustainable Chemical Technologies. Most solar cells currently on the market are made of silicon; these are expensive to make and require a lot of very pure silicon to manufacture.
The Department of the Interior (Department) and the Bureau of Land Management (BLM) have approved a proposal to construct and operate the largest solar project in United States history. The authorized solar facilities include 34.5 The authorized solar facilities include 34.5 The authorized solar facilities include 34.5
Finding photocatalysts that can efficiently use sunlight to produce clean hydrogen fuel from water is one of the most sought-after applications of solar energy. Nitrides can absorb most of the energy in the solar spectrum, but gallium nitride is a flawed water splitting photocatalyst.
Researchers in Spain have developed hydrogen production without contact electrodes via water electrolysis mediated by the microwave-triggered redox activation of solid-state ionic materials at low temperatures ( Nature Energy. In thermochemical cycles, the highly energy-demanding splitting of water molecules (?H Serra et al.
Researchers from Nanjing University have developed a new method for the extraction of lithium metal from seawater using solar-powered electrolysis with a NASICON solid-state electrolyte as the selective membrane. Schematic Diagram of the Solar-Powered Lithium Extraction Device. (A)
Researchers from the University of North Carolina have synthesized high-photovoltage multijunction Si nanowires (SiNWs) that are co-functionalized to split water catalytically. When integrated with the co-catalysts and suspended in water, these light-activated nanoreactors produced hydrogen gas under visible and infrared light.
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.
Researchers at the University of Twente’s MESA+ research institute have made significant efficiency improvements to the technology used to generate solar fuels. Researchers around the world are working on the development of solar fuel technology. This involves generating sustainable fuels using only sunlight, CO 2 and water.
DE-FOA-0002254 ) The funding will support the establishment of one large or possibly two smaller DOE Energy Innovation Hubs: integrated multidisciplinary, multi-institutional research teams aimed at accelerating the fundamental scientific breakthroughs needed to enable solar fuel production.
Africa can produce 50 million tons of green hydrogen a year by 2035, according to a new study by the European Investment Bank (EIB), International Solar Alliance and the African Union, with the support of the Government of Mauritania, HyDeal and UCLG Africa.
MIT scientists have designed a solar-powered desalination system that turns saltwater into drinkable water at a higher volume – and lower cost. more… The post MIT scientists used solar power to make drinking water cheaper than tap water appeared first on Electrek.
Recent results have shown that it is possible to use their technique selectively to produce methane, carbon monoxide or formic acid from carbon dioxide and water. The method is currently at a research stage, and the long-term objective of the scientists is to convert solar energy to fuel efficiently. 0c00986.
The new system mimics a natural chloroplast to convert carbon dioxide in water into methane, very efficiently using light. Photosynthesis is the process by which chloroplasts in plants and some organisms use sunlight, water and carbon dioxide to create food or energy.
Researchers at the University of Melbourne (Australia) have demonstrated a method of direct hydrogen production from air— in situ capture of freshwater from the atmosphere using hygroscopic electrolyte and subsequent electrolysis powered by solar or wind with a current density up to 574 mA cm ?2.
The proceeds of the investment round will accelerate the company’s growth and support the scaling and commercialization of Synhelion’s solar fuels technology. Synhelion is developing two pathways to solar fuels: Redox splitting. The thermochemical splitting of CO 2 and water in a two-step redox reaction yields carbon-neutral fuels.
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