Green Car Congress

JANUARY 2, 2020

Researchers in Israel have designed a separate-cell photoelectrochemical (PEC) water-splitting system with decoupled hydrogen and oxygen cells for centralized hydrogen production. It addresses the challenges of designing, building, and optimizing the device for assessing large-scale hydrogen generation. Landman et al.

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Water Production Hydrogen Solar 355

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

SEPTEMBER 26, 2014

Michael Grätzel at EPFL (Ecole Polytechnique Fédérale de Lausanne) in Switzerland has developed a highly efficient and low-cost water-splitting cell combining an advanced perovskite tandem solar cell and a bi-functional Earth-abundant catalyst. conversion efficiency from solar energy to hydrogen, a record with earth-abundant materials.

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Low Cost Water Solar Hydrogen 278

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. We show that bio-inspired molecular clusters based on molybdenum and sulphur evolve hydrogen at rates comparable to that of platinum.

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Water Hydrogen Low Cost Denmark 332

Green Car Congress

AUGUST 11, 2023

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.

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Water Hydrogen Conversion Solar 369

Green Car Congress

JANUARY 26, 2021

Researchers at MIT have developed a method that could significantly boost the performance of carbon capture and conversion systems that use catalytic surfaces to enhance the rates of carbon-sequestering electrochemical reactions. The movement through water is sluggish, which slows the rate of conversion of the carbon dioxide.

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MIT Conversion Carbon Water 413

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.

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MIT Water Solar Hydrogen 278

Green Car Congress

MAY 9, 2018

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.

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Water Low Cost Hydrogen Solar 342

Green Car Congress

AUGUST 24, 2020

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.

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Water CO2 Solar Convert 418

Green Car Congress

JULY 15, 2013

Hydrogen bubbles as they appear in a photoelectrochemical cell. Fe 2 O 3 (hematite) electrodes that achieve the highest photocurrent of any metal oxide photoanode for photoelectrochemical water-splitting under 100? The long-term goal is to produce hydrogen in an environmentally friendly and especially competitive way.

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Water Solar Hydrogen Israel 230

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. an “artificial leaf” to produce hydrogen—based on a nanowire mesh that lends itself to large-scale, low-cost production. Credit: ACS, Liu et al.

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Water Solar Design Singapore 270

Green Car Congress

JULY 21, 2022

Researchers in Europe led by a team from ETH Zurich have designed a fuel production system that uses water, CO 2 , and sunlight to produce aviation fuel. We are the first to demonstrate the entire thermochemical process chain from water and CO 2 to kerosene in a fully-integrated solar tower system. Zoller et al.

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Solar Carbon Powered Power 446

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 257

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. This part of the reaction, however, represents only half of the overall process needed for hydrogen generation.

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Water Hydrogen Fuel Solar 259

Green Car Congress

DECEMBER 24, 2010

Schematic of the solar reactor for the two-step, solar-driven thermochemical production of fuels. A team from Caltech, ETH Zürich and the Paul Scherrer Institute have devised a solar reactor for the two-step, solar-driven thermochemical production of fuels. They achieved solar-to-fuel efficiencies of 0.7

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Solar Water Carbon Fuel 278

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

JANUARY 26, 2014

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 ).

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Solar Fuel Companies CO2 366

Green Car Congress

DECEMBER 30, 2014

One-pot electrolytic process produces H 2 and solid carbon from water and CO 2. The work is a further development of their work with STEP (solar thermal electrochemical process)—an efficient solar chemical process, based on a synergy of solar thermal and endothermic electrolyses, introduced by Licht and his colleagues in 2009.

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Water Carbon Solar Fuel 239

Green Car Congress

NOVEMBER 11, 2009

Researchers at the University of Tennessee at Knoxville have shown that a combination of photosystem I from a thermophilic bacterium and cytochrome-c 6 can, in combination with a platinum catalyst, generate a stable supply of hydrogen in vitro upon illumination. The maximum yield is ~5.5 The maximum yield is ~5.5 Iwuchukwu et al. (A

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Hydrogen Solar Production Fuel 312

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

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

NOVEMBER 14, 2013

The DOE Fuel Cell Technologies Office also issued a separate solicitation for work a broader range of hydrogen production technologies. ( DE-FOA-0000826 ).

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Water Solar Production Hydrogen 210

Green Car Congress

MARCH 8, 2019

ReactWell , LLC, has licensed a novel waste-to-fuel technology from the Department of Energy’s Oak Ridge National Laboratory to improve energy conversion methods for cleaner, more efficient oil and gas, chemical and bioenergy production. —ORNL’s Adam Rondinone, co-inventor of the carbon dioxide-to-ethanol catalyst.

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Conversion CO2 Carbon Convert 311

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. 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.

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Solar Fuel Production Hydrogen 294

Green Car Congress

SEPTEMBER 15, 2019

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.

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Water Hydrogen Israel Wind 285

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.

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Conversion Solar Fuel Energy 231

Green Car Congress

SEPTEMBER 5, 2009

Dr. Stuart Licht ( earlier post ) at George Washington University is developing a solar-driven process that, he says, could efficiently replace current industrial processes for the production of certain energetic molecules such as hydrogen, metals and chlorine, which are responsible for a large component of anthropogenic CO 2.

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Solar Conversion CO2 2009 258

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. Chen et al. Click to enlarge. times more light.

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Water Solar Fuel Light 225

Green Car Congress

MAY 17, 2010

The new catalyst is applied in a hybrid photocatalytic-electrolysis system that uses the photocatalytic reaction converting solar energy to lower the electrolysis voltage required for the hydrogen production by water electrolysis. Potential diagram of various reaction mechanisms for hydrogen production via water decomposition.

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Hydrogen Hybrid Production Solar 259

Green Car Congress

APRIL 13, 2017

Scientists at the US Department of Energy’s (DOE) National Renewable Energy Laboratory (NREL) recaptured the record for highest efficiency in solar hydrogen production via a photoelectrochemical (PEC) water-splitting process. eV are absorbed by GaInP while those with hν 1.2

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Hydrogen Solar Production Water 207

Green Car Congress

FEBRUARY 5, 2019

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

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Solar Hydrogen Production Water 207

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. The nanocrystals were capped with DHLA (dihydrolipoic acid) to make them water-soluble. reduces protons.

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Water Hydrogen Light Solar 225

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

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. Earlier post.). Materials for the new catalyst are even more abundant and inexpensive than those required for the first.

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Low Cost MIT Water Hydrogen 225

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 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. …

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Water Solar Hydrogen Carbon 186

Green Car Congress

AUGUST 25, 2016

The prototype system is made up of three interconnected, new-generation, crystalline silicon solar cells attached to an electrolysis system that does not rely on rare metals. crystalline Silicon (c-Si) solar cells show high solar-to-electricity efficiencies, and have demonstrated stabilities in excess of 25 years.

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