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. Fuels Hydrogen Production Solar Solar fuels' Mechanism of the technology. Source: Toshiba.

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Conversion Solar Fuel Energy 231

Green Car Congress

JANUARY 23, 2018

Researchers at the University of Twente’s MESA+ research institute have made significant efficiency improvements to the technology used to generate solar fuels. They fabricated a highly efficient photocathode by spatially and functionally decoupling light absorption and catalytic activity. — Vijselaar et al. Although 10.8%

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Solar Fuel Production Hydrogen 294

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. The STEP (Solar Thermal Electrochemical Photo) process fundamentally captures sunlight more efficiently than photovoltaics by using the full (UV, visible and infrared) sunlight.

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Solar Conversion CO2 2009 258

Green Car Congress

MARCH 9, 2014

A new study by Berkeley Lab researchers at the Joint Center for Artificial Photosynthesis ( JCAP ) shows that nearly 90% of the electrons generated by a new hybrid photocathode material designed to store solar energy in hydrogen are being stored in the target hydrogen molecules (Faradaic efficiency). Earlier post.)

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Solar Hydrogen Conversion Energy 236

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%. Different sources of light were used, ranging from a laser to white light simulating the solar spectrum.

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Houston Water Universal Solar 268

Green Car Congress

JUNE 11, 2019

By using light-activated quantum dots to fire particular enzymes within microbial cells, the researchers were able to create “living factories” that eat CO 2 and convert it into products such as biodegradable plastic, gasoline, ammonia and biodiesel. Therefore, these resting cells function as nano-microbial factories powered by light.

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Light CO2 Fuel Power 334

Charged EVs

OCTOBER 25, 2024

The PairTree is an off-grid EV charger with solar, storage and two Level 2 EV chargers that can be set up in a day. These factors determine the best mix of solar, storage and grid power for a particular project. PairTree is an off-grid EV charger featuring a pop-up solar canopy, a 42.4 How much power is available at the site?

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Grid Solar Power Powered 123

Green Car Congress

JUNE 18, 2012

Changing the concentration of indium gallium nitride in photovoltaics allows researchers to tune the material’s response to collect solar energy from a variety of wavelengths, thereby maximizing efficiency. Cross-sectional images of the indium gallium nitride nanowire solar cell. Power conversion efficiencies were low—only 0.3%

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Solar Conversion Available Energy 199

Green Car Congress

JULY 7, 2022

Researchers from the University of Michigan and McGill University in Canada report photochemical syngas synthesis using a core/shell Au@Cr 2 O 3 dual cocatalyst in coordination with multistacked InGaN/GaN nanowires (NWs) with the sole inputs of CO 2 , water, and solar light. under concentrated solar light illumination.

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Water CO2 Green Solar 504

Green Car Congress

FEBRUARY 25, 2013

The autonomous plasmonic solar water splitter, which was operated with 1 M potassium borate electrolyte (pH 9.6) The autonomous plasmonic solar water splitter, which was operated with 1 M potassium borate electrolyte (pH 9.6) Structure and mechanism of operation of the autonomous plasmonic solar water splitter. (a)

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Water Solar Conversion Hydrogen 220

Green Car Congress

DECEMBER 28, 2009

The US Department of Energy will invest up to $366 million to establish and operate three new Energy Innovation Hubs focused on accelerating research and development in three key energy areas, one of which is developing an effective solar energy to chemical fuel conversion system—i.e.,

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Solar Fuel Energy Water 299

Green Car Congress

JANUARY 5, 2011

Researchers at Tel Aviv University, Israel (TAU) have found that the exoskeleton of the Oriental hornet can harvest solar energy. The team determined that the brown shell of the hornet was made from grooves that split light into diverging beams. The shell traps the light and the pigment does the conversion.

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Solar Energy Israel Light 247

Green Car Congress

SEPTEMBER 30, 2011

The traces are for solar cells of 7.7% 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. solar-to-fuels systems. illumination.

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MIT Water Solar Hydrogen 278

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

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

DECEMBER 3, 2014

Researchers from UC Berkeley, Lawrence Berkeley National Laboratory and Nanyang Technological University, Singapore have developed a new technology for direct solar water-splitting—i.e., When immersed in water with visible light irradiation (? ? Click to enlarge. A paper describing their work is published in the journal ACS Nano.

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Water Solar Design Singapore 270

Green Car Congress

OCTOBER 9, 2014

million for seven research projects designed to advance a broad range of renewable energy technologies, including solar cells, batteries, renewable fuels and bioenergy. The mineral perovskite is a promising, low-cost material for enhancing the efficiency of silicon solar cells. Light trapping in high?efficiency, modified plants.

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Renewable Solar Zinc Air Fuel 225

Green Car Congress

JUNE 24, 2014

The centers selected for the second round of funding will help lay the scientific groundwork for fundamental advances in solar energy, electrical energy storage, carbon capture and sequestration, materials and chemistry by design, biosciences, and extreme environments. Light-Material Interactions in Energy Conversion (LMI).

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Energy Solar Energy Storage Universal 337

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. Tags: Catalysts Methanol Solar. million) over two years.

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Conversion Engine Germany CO2 259

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. Among the technologies and green building concepts showcased in the Honda Smart Home US are: Solar photovoltaics (PV). Advanced lighting. Photo by Dorian Toy. Click to enlarge.

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DC Honda Energy Davis 393

Green Car Congress

JUNE 26, 2017

The three-part composite maximizes both absorbing light and its efficiency for water splitting. Finally, the gold-covered LTO is mixed with ultrathin sheets of the element black phosphorus (BP), which acts as a light absorber. The band gap properties are promising because of broad solar light absorption from UV to NIR region.

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Light Solar Hydrogen Water 170

Green Car Congress

APRIL 6, 2020

Researchers at the University of Southampton have transformed optical fibers into photocatalytic microreactors that convert water into hydrogen fuel using solar energy. Computerized tomography of a MOFC, showing buildup of TiO 2 (light blue particles) in the triangular channels. Zepler Institute, University of Southampton.

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Water Convert Hydrogen Solar 371

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. In this project, DIFFER and TME are exploring an innovative way to produce hydrogen directly out of humid air.

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Water Hydrogen Solar Toyota 333

Green Car Congress

JANUARY 2, 2020

The highest reported solar to hydrogen (STH) conversion efficiency for such a system composed of polymer electrolyte membrane (PEM) electrolyzers powered by an InGaP/GaAs/GaInNAsSb triple-junction solar cell was 30%, tested over 48 h. The hydrogen cell contains the cathode, and it is physically separated from the oxygen cell.

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Water Production Hydrogen Solar 355

Green Car Congress

MAY 2, 2022

Ideally, photocatalysts could use sunlight and water to produce hydrogen, however it is necessary to achieve a conversion rate of 10% to enable such a system to be adopted industrially. 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

APRIL 25, 2011

Using the nanocomposites as photoanodes in dye-sensitized solar cells, they achieved a power conversion efficiency in the solar cells of 10.6%, up from 8%—an increase of almost one-third. This new method used to enhance solar cell performance is quite different, Belcher says. “A little biology goes a long way.”

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MIT Solar Carbon Conversion 271

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.). Robert Dorner. The electrochemical reduction of carbon dioxide. Scott Shaw.

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Conversion Fuel CO2 Solar 231

Green Car Congress

FEBRUARY 3, 2011

Neutron scattering analysis performed at ORNL shows the lamellar structure of a hydrogen-producing, biohybrid composite material formed by the self-assembly of naturally occurring, light harvesting proteins with polymers. This finding could be exploited for the introduction of self-repair mechanisms in future solar conversion systems.

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Convert Light Hydrogen Polymer 199

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

JUNE 5, 2023

Researchers from Tokyo Tech have developed a tin-based metal–organic framework (MOF) that can photocatalytically reduce carbon dioxide (CO 2 ) into formate under visible light. A popular method for carrying out such conversions is to use visible light for driving the photoreduction of CO 2 via photocatalysts. 202305923

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Carbon Light Conversion International 413

Green Car Congress

JULY 15, 2013

Batteries, fuel cells and solar-energy conversion devices have emerged as a class of important technologies that increasingly rely on electrodes derived from nanoparticles. Its efficiency was such that gas bubbles emerged as soon as it was under a light stimulus. Hydrogen Production Nanotech Solar'

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Water Solar Hydrogen Israel 230

Green Car Congress

SEPTEMBER 19, 2017

This new work, described in a study published in the journal Energy and Environmental Science , is the first to successfully demonstrate the approach of going from carbon dioxide directly to target products—ethanol and ethylene—at energy conversion efficiencies rivaling natural counterparts. —Gurudayal et al. Earlier post.).

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Solar Light Fuel CO2 170

Green Car Congress

AUGUST 11, 2023

Photoelectrochemical (PEC) water splitting based on solar energy is one promising approach for the production of green hydrogen. The novel photoanodes suppress the undesirable internal and external losses associated with photoelectrochemical water splitting, resulting in an unprecedented photon-to-current conversion efficiency of 12.79%.

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Water Hydrogen Conversion Solar 369

Green Car Congress

NOVEMBER 6, 2010

The workshop will bring together thought leaders from distinct science and engineering communities to develop new ideas and identify practical approaches toward increasing the efficiency of light collection by biological systems and the conversion of that energy into liquid forms of chemical energy that can be used for transportation.

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Light Fuel Arlington Solar 210

Green Car Congress

OCTOBER 25, 2013

Water oxidation (2H 2 O → O 2 + 4 e- + 4H + ) is a key step for converting solar energy into chemical fuels. For use in photoelectric synthesis cells, in which chemical conversions are driven by light, the oxides are typically electrodeposited onto ITO substrates. times more light. —Chen et al.

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Water Solar Fuel Light 225

Green Car Congress

MARCH 16, 2010

Bicycle parking lot in Sakurashinmachi, Setagaya, where Sanyo’s Smart Energy System “Solar Parking Lot” is installed. Sanyo Electric has completed installation of two Solar Parking Lots for hybrid bikes, incorporating solar panels and lithium-ion battery systems, and also provided 100 electric hybrid “eneloop bikes”, in Setagaya, Tokyo Japan.

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Installation Solar Hybrid Lithium Ion 210

Green Car Congress

APRIL 15, 2019

Researchers from Northwestern University and Princeton University have explored the impact on US air quality from an aggressive conversion of internal combustion vehicles to battery-powered electric vehicles (EVs). NH 3 -poor for PM). coal, oil, natural gas, and biomass). Schnell, Vaishali Naik, Larry W. 2019.04.003.

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Conversion Jordan Ozone Coal 281