Green Car Congress

MAY 2, 2011

The optimized photo-electrochemical water splitting device uses light absorbers made of silicon arranged in closely packed pillars, dotted with tiny clusters of the new molybdenum sulfide catalyst. When sun hits the PEC cell, the solar energy is absorbed and used for splitting water molecules into its components, hydrogen and oxygen.

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Water Hydrogen Low Cost Denmark 332

Green Car Congress

DECEMBER 28, 2020

The catalyst shows a carbon dioxide conversion through hydrogenation to hydrocarbons in the aviation jet fuel range of 38.2%, with a yield of 17.2%, and a selectivity of 47.8%, and with an attendant low carbon monoxide (5.6%) and methane selectivity (10.4%). In brief, the Fe–Mn–K catalyst shows a CO 2 conversion of 38.2%

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Convert Fuel CO2 Conversion 505

Green Car Congress

FEBRUARY 13, 2019

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. This first prototype achieved 70% of the performance that is obtained when an equivalent device is filled with water.

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Water Hydrogen Solar Toyota 333

Green Car Congress

FEBRUARY 25, 2013

Researchers at UC Santa Barbara have developed an efficient, autonomous solar water-splitting device based on a gold nanorod array in which essentially all charge carriers involved in the oxidation and reduction steps arise from the hot electrons resulting from the excitation of surface plasmons in the nanostructured gold (plasmonic water-splitter).

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Water Solar Conversion Hydrogen 220

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.

Water 257

Water Hydrogen Production Solar 257

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.

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Solar Standards Fuel Production 418

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.

Water 259

Water Hydrogen Fuel Solar 259

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

SEPTEMBER 30, 2011

Researchers led by MIT professor Daniel Nocera have produced an “artificial leaf”—a solar water-splitting cell producing hydrogen and oxygen that operates in near-neutral pH conditions, both with and without connecting wires. light-to-electricity efficiency, respectively, and when illuminated with 1 sun of AM 1.5

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MIT Water Solar Hydrogen 278

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. Sn 3 O 4 has great potential as an abundant, cheap, and environmentally benign solar-energy conversion catalyst.

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Water Light Li-ion Solar 170

Green Car Congress

FEBRUARY 10, 2023

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.

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Water North Carolina Hydrogen Low Cost 221

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

NOVEMBER 1, 2022

An illustration of the light-powered, one-step remediation process for hydrogen sulfide gas made possible by a gold photocatalyst created at Rice University. Each island was a gold nanoparticle about 10 billionths of a meter across that would interact strongly with a specific wavelength of visible light. —Naomi Halas.

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Hydrogen Light Conversion Convert 243

Green Car Congress

FEBRUARY 19, 2014

Designing an artificial leaf that uses solar energy to convert water cheaply and efficiently into hydrogen and oxygen is one of the goals of BISfuel (Bio-inspired Solar fuel production)—the Energy Frontier Research Center, funded by the Department of Energy, in the Department of Chemistry and Biochemistry at Arizona State University.

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Water Solar Conversion Arizona 236

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

DECEMBER 3, 2014

Toshiba Corporation has developed a new technology that uses solar energy directly to generate carbon compounds from carbon dioxide and water, and to deliver a viable chemical feedstock or fuel with potential for use in industry. Mechanism of the technology. Source: Toshiba. Click to enlarge.

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Conversion Solar Fuel Energy 231

Green Car Congress

MAY 10, 2023

This project will complete key engineering design and demonstration tests to enable cost-competitive, carbon-neutral production of synthetic jet fuel and diesel using nuclear energy from existing light water reactors.

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Hydrogen Molten Salt Clean Cleaning 475

Green Car Congress

JULY 23, 2010

Researchers at Carnegie Mellon University have developed a new catalyst—iron-centered tetraamido macrocyclic ligand (Fe-TAML)—that efficiently catalyzes water oxidation. Water oxidation is the second of two requisite half-reactions in the photolysis of water, the other being the reduction of protons to dihydrogen. At pH 0.7,

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Water 2010 Conversion Affordable 199

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

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.

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Water Gas Production Hydrogen 186

Green Car Congress

APRIL 8, 2010

Researchers from BASF, Energie Baden-Württemberg AG (EnBW), Heidelberg University and Karlsruhe Institute of Technology (KIT) are seeking to develop a process for the photocatalytic conversion of CO 2 into methanol for use in fuel cells or internal combustion engines. million) over two years.

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Conversion Engine Germany CO2 259

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

APRIL 12, 2010

Angela Belcher, has engineered a common bacteriophage virus (M13) to function as a scaffold to mediate the co-assembly of zinc porphyrins (photosensitizer) and iridium oxide hydrosol clusters (catalyst) for visible light-driven water oxidation. The virus is a very efficient harvester of light, with these porphyrins attached.

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MIT Water Engine Hydrogen 207

Green Car Congress

MAY 12, 2010

Daniel Nocera and his associates have found another formulation, based on inexpensive and widely available materials, that can efficiently catalyze the splitting of water molecules using electricity. Nocera believes that as the team carries out further research even better compounds will come to light. Earlier post.).

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Low Cost Water MIT Hydrogen 225

Green Car Congress

MARCH 25, 2014

The home’s occupant will be able to use less than half of the energy of a similarly sized new home in the Davis area for heating, cooling and lighting. The home is also three times more water-efficient than a typical US home. Advanced lighting. Therefore Honda Smart Home minimizes the use of blue light at night.

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DC Honda Energy Davis 393

Green Car Congress

JULY 15, 2013

-Fe 2 O 3 (hematite) electrodes that achieve the highest photocurrent of any metal oxide photoanode for photoelectrochemical water-splitting under 100?mW?cm Batteries, fuel cells and solar-energy conversion devices have emerged as a class of important technologies that increasingly rely on electrodes derived from nanoparticles.

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Water Solar Hydrogen Israel 230

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

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

SEPTEMBER 9, 2013

The process, reported in the ACS journal Energy & Fuels , could leverage a recently reported process, also developed by NRL, to recover CO 2 from sea water. Broadly, in the first stage of such a process, CO 2 and H 2 are reacted over an iron-based catalyst to produce light olefins (C 2 - C 6 ). —Drab et al.

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CO2 Fuel Range Conversion 278

Green Car Congress

MARCH 2, 2018

While Ni metal catalyzes the hydrogen evolution reaction (HER) exclusively under CO 2 RR conditions, Ni single atomic sites present a high CO selectivity of 95% under an overpotential of 550 mV in water, and an excellent stability over 20 hours’ continuous electrolysis. The current density can be scaled up to more than 50 mA cm?2

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Conversion CO2 Convert Water 199

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

NOVEMBER 14, 2013

A key benefit of this joint effort is the direct coordination of NSF-funded use-inspired basic research and EERE-funded applied R&D toward the development of cost-effective large-scale systems for the low-carbon production of hydrogen through advanced solar water-splitting technologies.

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Water Solar Production Hydrogen 210

Green Car Congress

AUGUST 16, 2009

Researchers at the US Naval Research Laboratory (NRL) led off a day-long symposium on advances in CO 2 conversion and utilization being held at the 238 th American Chemical Society (ACS) national meeting, which began today in Washington, DC. Earlier post.). Earlier post.). Robert Dorner. The electrochemical reduction of carbon dioxide.

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Conversion Fuel CO2 Solar 231

Green Car Congress

DECEMBER 1, 2014

Ethanol conversion to hydrocarbons as a function of temp. Benefits of the catalyst technology include: A single step conversion of ethanol into a hydrocarbon blend stock without the addition of hydrogen. Production of minimal amounts of light gases. Zeolitic catalytic conversion of alcohols to hydrocarbons.

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Conversion Gasoline Diesel Market 246

Green Car Congress

OCTOBER 3, 2016

Consequently, first and second generation bioproduct manufacturing processes are economically challenged, particularly in light of recent low oil prices. One way to mitigate high feedstock cost is to maximize conversion into the bioproduct of interest. of two biological replicates is shown in black error bars. Jones et al.

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Conversion Carbon CO2 Oil Prices 240

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

SEPTEMBER 5, 2009

Light harvesting can use various optical concentrators and beam splitters can redirect sub-bandgap radiation away from the PV onto the electrolyzer. Calculated potential needed to electrolyze carbon dioxide or water. The STEP process occurs at solar energy conversion efficiency greater than attainable by photovoltaics alone.

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Solar Conversion CO2 2009 258