Green Car Congress

AUGUST 13, 2023

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.

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Convert Carbon Fuel Water 369

Green Car Congress

MAY 5, 2020

Rice University researchers have created an efficient, low-cost device that splits water to produce hydrogen fuel. The current flows to the catalysts that turn water into hydrogen and oxygen, with a sunlight-to-hydrogen efficiency as high as 6.7%. It utilizes water and sunlight to get chemical fuels. Illustration by Jia Liang.

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Low Cost Solar Water Polymer 243

Green Car Congress

MAY 11, 2020

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.

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Water Hydrogen Production Solar 334

Green Car Congress

OCTOBER 12, 2018

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.

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Water Solar Hydrogen Light 268

Green Car Congress

JANUARY 11, 2019

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. An open-access paper describing their work is published in the journal Chemical Science. —Lisa Utschig, Argonne chemist.

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Water Hydrogen Fuel Solar 259

Green Car Congress

SEPTEMBER 7, 2021

A new way of anchoring individual iridium atoms to the surface of a catalyst significantly increased its efficiency in splitting water molecules, scientists from the Department of Energy’s SLAC National Accelerator Laboratory and Stanford University reported in an open-access paper in Proceedings of the National Academy of Sciences (PNAS). …we

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Water Waste Davis Fuel 243

Green Car Congress

APRIL 16, 2014

Researchers at Japan’s National Institute for Materials Science (NIMS) have discovered a new photocatalyst, Sn 3 O 4 , which facilitates the production of hydrogen fuel from water, using sunlight as an energy source. A paper on their work is published in the ACS journal Applied Materials & Interfaces. Source: NIMS. Click to enlarge.

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Water Light Li-ion Solar 170

Green Car Congress

FEBRUARY 16, 2016

A team of researchers at Ulsan National Institute of Science and Technology (UNIST), Korea University, and the Korea Advanced Institute of Science and Technology (KAIST) has developed a new type of multilayered (Au NPs/TiO 2 /Au) photoelectrode that could boost the ability of solar water-splitting to produce hydrogen.

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Water Light Hydrogen Solar 150

Green Car Congress

SEPTEMBER 4, 2018

They used natural sunlight to convert water into hydrogen and oxygen using a mixture of biological components and manmade technologies. Their method also managed to absorb more solar light than natural photosynthesis. This could be a great platform for developing solar technologies. Katarzyna P. Nowaczyk, Adrian Ruff, Jenny Z.

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Water Solar Store Hydrogen 210

Green Car Congress

FEBRUARY 16, 2018

The life-cycle water consumption of fuel cell electric vehicles using hydrogen produced from natural gas with steam methane reforming is almost 50% less than the life-cycle water consumption of conventional internal combustion engine vehicles using gasoline, according to a study by researchers at Argonne National Laboratory (ANL).

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Water Fuel Vehicles Gasoline-Electric 225

Green Car Congress

OCTOBER 10, 2022

Jervois has commenced infill and expansion drilling at ICO from both surface and underground platforms to improve ICO’s resource model to be used for short and medium-term mining operations. The historical Sunshine cobalt resource is located a short traverse to the ICO mill and concentrator. Across 2022, Jervois has announced a US$4.8-million,

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Idaho Water EPA 2013 448

Green Car Congress

MAY 4, 2018

Researchers in Canada have demonstrated a new photochemical diode artificial photosynthesis system that can enable efficient, unassisted overall pure water splitting without using any sacrificial reagent. overall water splitting reaction. These free charges split water molecules into hydrogen and oxygen. … in neutral (pH?~?7.0)

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Water Solar Hydrogen Carbon 186

Green Car Congress

MAY 2, 2022

Using a hematite photocatalyst, a team led by researchers from Kobe University has succeeded in producing both hydrogen gas and hydrogen peroxide at the same time from sunlight and water. Recently, they have succeeded in increasing the light energy conversion efficiency by applying this technology to hematite (?-Fe under 600nm).

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Hydrogen Water Conversion Solar 415

Green Car Congress

DECEMBER 16, 2013

Researchers from the University of Houston (UH) have developed a cobalt(II) oxide (CoO) nanocrystalline catalyst that can carry out overall water splitting with a solar-to-hydrogen efficiency of around 5%. The generation of hydrogen from water using sunlight could potentially form the basis of a clean and renewable source of energy.

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Houston Water Solar Universal 268

Green Car Congress

JUNE 26, 2017

A team at Osaka University in Japan has developed a new material based on gold and black phosphorus to harvest a broader spectrum of sunlight for water-splitting to produce hydrogen. The three-part composite maximizes both absorbing light and its efficiency for water splitting. More recently, with adjustable band gap from 0.3

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Light Solar Hydrogen Water 170

Green Car Congress

MARCH 9, 2016

Researchers at Argonne National Laboratory have analyzed the water consumption for transportation fuels in the United States using an extended lifecycle system boundary that includes the water embedded in intermediate processing steps. Increases in population, energy and food demand now strain previously abundant sources of water.

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Alternative Fuels Water Fuel Gas 150

Green Car Congress

JANUARY 16, 2012

A team of two researchers from Natural Resources Canada’s CanmetENERGY reports on a new process for solvent extraction of bitumen from mineable Athabasca oil sands (i.e., The Clark hot water extraction (CHWE) process has been applied in commercial bitumen extraction from the Athabasca oil sands for more than 40 years. Tailing ponds.

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Oil-Sands Water Oil Canada 231

Green Car Congress

FEBRUARY 8, 2021

In this regard, photocatalytic water splitting has attracted significant interest as a cost-effective means to convert sustainable solar energy into valuable chemicals. Photocatalytic water splitting has attracted great interest as a means of cost-effective conversion of sustainable solar energy to valuable chemicals. Credit: DICP.

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Solar Standards Production Fuel 418

Green Car Congress

JUNE 12, 2017

Researchers at KAUST have developed a novel molybdenum-coated catalyst that can efficiently split water in acidic electrolytes and that could help with the efficient production of hydrogen. Scientists are searching for ways of improving the water-splitting reaction by developing an optimal catalyst. Reference Resources.

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Water Hydrogen Production 2017 170

Green Car Congress

MAY 18, 2017

at 360 nm in overall water splitting and even good durability up to 1 day. When light is applied to photocatalysts, electrons and holes are produced on the surface of the catalyst; hydrogen is obtained when these electrons reduce the hydrogen ions in water. The mesocrystal also exhibits a high quantum yield of 6.7%

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Light Hydrogen Production Conversion 150

Green Car Congress

JULY 30, 2017

Researchers in Japan report that a commercially available TiO 2 with a large number of surface oxygen vacancies, when photo-irradiated by UV light in pure water with nitrogen—successfully produces ammonia (NH 3 ). Photocatalytic nitrogen reduction is an attractive pathway because it can use light energy, the team pointed out.

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Water Conversion Japan Green 170

Green Car Congress

JUNE 24, 2017

Scientists in the US and China have developed a new low-temperature catalyst for producing high-purity hydrogen gas while simultaneously using up carbon monoxide (CO) via the water-gas shift (WGS) reaction. Its synergy with adjacent Mo sites in α-MoC can effectively activate water at low temperature. —Yao et al.

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Water Hydrogen Convert CO2 186

Green Car Congress

MAY 7, 2017

Water-splitting systems require a very efficient catalyst to speed up the chemical reaction that splits water into hydrogen and oxygen, while preventing the two gases from recombining back into water. Therefore, inhibition of these back reactions is of paramount importance for photocatalytic water splitting.

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Water Hydrogen Saudi Arabia Light 150

Green Car Congress

AUGUST 9, 2014

Plants use photosynthesis to convert carbon dioxide and water into sugars and oxygen. The process starts in a cluster of manganese, calcium and oxygen atoms at the heart of a protein complex called photosystem II, which splits water to form oxygen gas, protons and electrons. —Yamaguchi et al.

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Water Hydrogen Convert Gas-Electric 246

Green Car Congress

DECEMBER 3, 2014

The mesh with BiVO 4 nanowire photoanode for water oxidation and Rh-SrTiO 3 nanowire photocathode for water reduction produces hydrogen gas without an electron mediator. When immersed in water with visible light irradiation (? ? In the present study, we developed a new architecture for direct solar water-splitting.

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Water Solar Design Singapore 270

Green Car Congress

OCTOBER 25, 2013

A transparent film of copper nanowires was transformed into an electrocatalyst for water oxidation by electrodeposition of Ni or Co onto the surface of the nanowires. Water oxidation (2H 2 O → O 2 + 4 e- + 4H + ) is a key step for converting solar energy into chemical fuels. times more light. Chen et al. Click to enlarge.

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Water Solar Fuel Light 225

Green Car Congress

AUGUST 29, 2017

Researchers led by a team from KAUST have found a more sustainable route to hydrogen fuel production using chaotic, light-trapping materials that mimic natural photosynthetic water splitting. The authors designed these to achieve broadband strong light confinement at the metal interface across the entire solar spectrum.

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Light Solar Hydrogen Water 150

Green Car Congress

JUNE 18, 2013

Politécnica de Valencia (Spain) have found that noble metal nanoparticles supported on titanium dioxide or cerium dioxide can catalyze the industrially important water gas shift (WGS) reaction for hydrogen production at ambient temperatures using visible light irradiation. —Sastre et al. —Sastre et al. Energy Environ.

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Water Gas Production Conversion 186

Green Car Congress

NOVEMBER 21, 2016

One of its molecular mysteries of photosynthesis involves how the photosystem II protein complex harvests energy from sunlight and uses it to split water into hydrogen and oxygen. In previous high-resolution studies of the system at synchrotron light sources, samples experienced radiation damage from longer exposure to X-rays.

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Water Light Universal United Kingdom 150

Green Car Congress

JULY 4, 2023

The project takes advantage of the wealth of photovoltaic resources in Kuqa to achieve 20,000 tons per annum of green hydrogen by using solar power to electrolyze water, along with the capacity to store 210,000 cubic meters of hydrogen and transport 28,000 cubic meters per hour.

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Hydrogen Green Mongolia China 195

Green Car Congress

MARCH 14, 2017

A team of scientists at the University of Cambridge has reported the light-driven photoreforming of cellulose, hemicellulose and lignin to H 2 using semiconducting cadmium sulfide quantum dots in alkaline aqueous solution. CdS is an inexpensive, visible-light-absorbing photocatalyst with a bulk electronic bandgap of around 2.4

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Light Solar Conversion Hydrogen 236

Green Car Congress

AUGUST 15, 2014

water splitting. One approach is to utilize incoming solar radiation for the photocatalytic generation of molecular hydrogen (H 2 ) from water. When a quantum of light (a “photon”) with sufficient energy excites a semiconductor nanocrystal, it produces a negative charge (electron) and a positive charge (hole). 1 , respectively.

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Water Hydrogen Production Solar 218

Green Car Congress

JANUARY 18, 2013

The ultra-small particles react with water to generate hydrogen 1,000 times faster than bulk silicon, 100 times faster than previously reported Si structures, and 6 times faster than competing metal formulations. Water can also be split chemically using a substance that can be oxidized by water, such as aluminum or silicon, the authors notes.

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Water Hydrogen Production Light 262

Green Car Congress

DECEMBER 29, 2020

Researchers from Trinity College Dublin have shed new light on the formation mechanisms of a rare earth-bearing mineral that is in increasingly high demand across the globe for its use in the green energy and tech industries. Vegetation appears red, grassland is light brown, rocks are black, and water surfaces are green.

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Green Industrial Industry Ireland 418

Green Car Congress

DECEMBER 25, 2021

Electron microscopy experiments at the Molecular Foundry confirmed that cuprous oxide quickly oxidizes or corrodes within minutes of exposure to light and water. The Advanced Light Source, Molecular Foundry, and NERSC are user facilities at Berkeley Lab. The Liquid Sunlight Alliance is a DOE Energy Innovation Hub. Zheng, F.,

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Hydrogen CO2 Li-ion Solar 305

Green Car Congress

NOVEMBER 9, 2012

Researchers at the University of Rochester (New York) have developed a robust and highly active system for solar hydrogen generation in water using semiconductor nanocrystals (NCs) and a nickel catalyst. led to more complicated architectures that separate the sites of light absorption and proton reduction. reduces protons.

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Water Hydrogen Light Solar 225

Green Car Congress

SEPTEMBER 5, 2015

Researchers at Rice have demonstrated an efficient new way to use solar energy for water splitting. a) Plasmonic photocathode for solar water splitting, consisting of plasmonic nanoparticles in direct contact with water, p-NiO x as an electron blocking layer, and aluminum as the electrode material. (b) Click to enlarge.

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Water Solar Conversion Light 150