Photocatalytic optical fibers convert water into hydrogen

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Researchers at the University of Southampton have transformed optical fibers into photocatalytic microreactors that convert water into hydrogen fuel using solar energy. Zepler Institute, University of Southampton.

2020 312

Siemens Energy teams up with Duke Energy, Clemson University to study hydrogen use

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Siemens Energy, Duke Energy and Clemson University have teamed up to study the use of hydrogen for energy storage and as a low- or no-carbon fuel source to produce energy at Duke Energy’s combined heat and power plant located at Clemson University in South Carolina. The studies will evaluate multiple forms of hydrogen production, including green hydrogen, which is created from water and has no byproducts. Hydrogen Hydrogen Production Power Generation

2020 203
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DOE awarding $35M to 11 projects for hydrokinetic turbine development; ARPA-E SHARKS

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They will incorporate experts in hydrodynamics, structural dynamics, control systems, power electronics, grid connections, and performance optimization. The University of Michigan. The University of Michigan proposes the RAFT concept as a solution for hydrokinetic energy harvesting.

2020 338

Feature: Wind-Powered Cars: Are They Possible?

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Is Air Power Blowing Over the Horizon? Are wind-powered cars a possibility, or are they something that’s likely to stay in the realm of science fiction? The Potential of Wind Power. The University of Stuttgart designed a wind-powered car.

Wind 70

Rice University lab develops dual-surface graphene electrode to split water into hydrogen and oxygen

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Researchers in the Rice University lab of chemist James Tour have produced dual-surface laser-induced graphene (LIG) electrodes on opposing faces of a plastic sheet that split water into hydrogen on one side and oxygen on the other side. A two-sided electrocatalyst developed at Rice University splits water into hydrogen on one side and oxygen on the other. Illustration of the integration of catalytic LIG electrodes as a full water electrolyzer. (a)

2017 150

ARPA-E announces $11M for innovations in energy-water processing and agricultural sensing technologies; fourth, fifth OPEN+ cohorts

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The US Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E) announced $11 million in funding for 7 projects in the fourth and fifth cohorts of the agency’s OPEN+ program: Energy-Water Technologies and Sensors for Bioenergy and Agriculture. Energy-Water cohort teams will develop new, energy-efficient processing technologies for industrial (particularly oil and gas) and municipal wastewater. Energy-Water Technologies cohort. ARPA-E Sensors Water

2019 163

Griffith researchers enhance catalytic activity for water splitting

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In an open-acess paper published in Nature Communications , Griffith University (Australia) researchers report having enhanced the catalytic activity of CoSe 2 for oxygen evolution in water splitting by incorporating both Fe dopants and Co vacancies into atomically thin CoSe 2 nanobelts. The Griffith advance was discovering that when both processes are put together their combined effect substantially increases the power of nanobelts to speed up reactions.

2020 174

Rolls-Royce supports power-to-x initiative in Brandenburg; synthetic fuels and chemicals from renewable power

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Power Systems business unit signs letter of intent for the construction of a demonstration plant for the production of synthetic fuels Schell: “We will be electrifying the entire system, including the fuel” Important step towards sector coupling and decarbonising propulsion systems and power generation. As a former coal and chemical region, the Lausitz region has an abundance of expertise available that can be used to set up a power-to-x competence center.

2019 237

DOE selects 2 projects to demonstrate feasibility of enhanced water recovery; producing usable water from CO2 storage sites

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The US Department of Energy (DOE) has selected two projects that will test emerging enhanced water recovery (EWR) technologies for their potential to produce useable water from CO 2 storage sites. The two projects set to receive the funding announced today will be managed by the Department’s National Energy Technology Laboratory’s (NETL) Carbon Storage Program: Electric Power Research Institute, Inc. Carbon Capture and Storage (CCS) Water

Water 150

Rice U team creates low-cost, high-efficiency integrated device for solar-driven water splitting; solar leaf

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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%.

2020 227

Ecoclean cuts BMW engine plant robot cell power and water consumption by ~30%

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At the BWM Group’s engine plant in Steyr (Austria), in a reference project accompanied by the Technical University of Vienna, Ecoclean Monschau (formerly Dürr Ecoclean) has significantly raised the energy efficiency of a. The system’s electric power and water consumption were each cut by. Water consumption in particular was too. focus on factors such as the water consumption, cleaning agent input, electricity demand, and the consumption of.

2017 163

University of Utah engineers develop fast method to convert algae to biocrude

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Researchers at the University of have developed an unusually rapid method to deliver cost-effective algal biocrude in large quantities using a specially-designed jet mixer. bacteria, fungi, and algae) may be grown on non-arable land and with saline water, wastewater or/and produced water from mineral and petroleum extraction. That fuel is then mixed with diesel fuel to power long-haul trucks, tractors and other large diesel-powered machinery.

Utah 235

Scottish Enterprise project converting train to hydrogen power

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Scottish Enterprise, Transport Scotland and the Hydrogen Accelerator, based at the University of St Andrews, have appointed Arcola Energy and a consortium of industry leaders in hydrogen fuel cell integration, rail engineering and functional safety to deliver Scotland’s first hydrogen powered train.

2020 301

USC team finds Li-Al nanoparticles produce hydrogen from water with high rate and yield; potential for industrial scaling

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Aluminum and water react exothermically to form aluminum hydroxide and hydrogen; this basic property has lured numerous researchers interested in generating hydrogen from the aluminum-water reaction for modern transportation systems for at least 35 years. In a two-step thermochemical cycle, an exothermic reaction between metal and water produces hydrogen gas, followed by endothermic reduction of the metal-oxide product assisted by solar energy to regenerate metal fuel.

2014 195

University of Kentucky chemist receives NSF grant to study atmospheric reactions of pollution

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University of Kentucky Chemistry Professor Marcelo Guzman has received a three-year grant from the National Science Foundation (NSF) for research, education and outreach efforts in the field of environmental and atmospheric chemistry. The $461,000-project, titled “Heterogeneous Aging Mechanisms of Combustion and Biomass Burning Emissions,” will focus on how gases, such as ozone, react with pollutants emitted from power plants and forest fires.

UBC team uses plasma pretreatment to improve water transport in fuel cell electrodes

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Researchers at the University of British Columbia (UBC) have used a plasma pre-treatment to achieve through-plane wettability of carbon layers in a fuel cell electrode. For the proton exchange membrane fuel cells (PEMFCs), an optimal balance of water level is critical for high performance and durability. On one hand, sufficient water content is required to hydrate the membrane to maintain high proton conductivity.

2018 190

University at Buffalo-led team reports viable Mn-based catalyst for PEM fuel cells

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A University at Buffalo-led research team has developed an efficient platinum group metal (PGM)-free catalyst for the oxygen reduction reaction (ORR) in PEM fuel cells that consists of atomically dispersed nitrogen-coordinated single Mn sites on partially graphitic carbon (Mn-N-C). The result was a catalyst that’s comparable in its ability to split water as platinum and other metal-based alternatives.

2018 207

New waste-to-hydrogen plant in Tokyo to convert wastewater sludge into H2 for vehicles and power generation

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announced the completion of a facility in Tokyo that will convert sewage sludge into renewable hydrogen fuel for fuel cell mobility and power generation. TODA Corporation, the Tokyo Metropolitan Government, TOKYU Construction, CHIYODA Kenko and researchers at Tokyo University of Science.

Waste 304

Bloom Energy announces hydrogen-powered energy servers to make always-on renewable electricity a reality

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Bloom Energy, a developer of solid oxide fuel cell power generators, announced the ability of its Energy Servers to operate on renewable hydrogen. At peak times, some US states and countries already have more renewable power than their grids can handle. Despite those periods of excess wind and solar power, because the ability to store electricity for more than a few hours is lacking, dispatchable power from the combustion of fossil fuels continues to bridge gaps in supply.

2019 253

Researchers split water by altering photosynthetic machinery in plants; semi-artificial photosynthesis

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A new study, led by academics at St John’s College, University of Cambridge, has used semi-artificial photosynthesis to explore new ways to produce and store solar energy. They used natural sunlight to convert water into hydrogen and oxygen using a mixture of biological components and manmade technologies. Here, we report a bias-free semi-artificial tandem platform that wires photosystem II to hydrogenase for overall water splitting.

2018 190

Study projects thermoelectric power in Europe and US vulnerable to climate change due to lower summer river flows and higher river water temperatures

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Projected changes in summer mean usable capacity of power plants in the US and Europe for the SRES A2 emissions scenario for the 2040s (2031–2060) relative to the control period (1971–2000). A study published in Nature Climate Change suggests that thermoelectric power plants (i.e., nuclear and fossil-fueled generating units) in Europe and the United States are vulnerable to climate change due to the combined impacts of lower summer river flows and higher river water temperatures.

US/China team develops robust, stable Ni/Fe OER catalyst for water-splitting at low overpotentials

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A team from the University of Houston and Hunan Normal University in China has developed an active and durable oxygen evolution reaction (OER) catalyst for water splitting that meets commercial crtieria for current densities at low overpotentials. The researchers said that their discovery sets the stage for large-scale hydrogen production by water splitting using excess electrical power whenever and wherever available.

2018 163

ExxonMobil invests $15M in University of Texas at Austin Energy Institute; renewable energy, battery technologies and power grid modeling

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ExxonMobil will invest $15 million as a leadership member of the University of Texas at Austin Energy Institute to pursue technologies to help meet growing energy demand while reducing environmental impacts and the risk of climate change. Research projects are expected to cover a range of emerging technologies, and will take advantage of the university’s capabilities in renewable energy, battery technologies and power grid modeling.

2016 150

Stanford team sets record for solar-to-hydrogen efficiency of solar water splitting: >30%

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Researchers at Stanford University have demonstrated solar water splitting by photovoltaic-electrolysis with a solar-to-hydrogen (STH) efficiency of more than 30%—a new record. The solar concentration is adjusted such that the maximum power point of the photovoltaic is well matched to the operating capacity of the electrolyzers to optimize the system efficiency. However, the thermodynamic minimum voltage required to electrolyse water is only 1.23 V

2016 243

Study finds climate impact of hydropower varies widely

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It is commonly thought that the greenhouse gas emissions from hydropower plants are similar to those of wind-generated power facilities. The team found that hydropower emissions on average were far greater and thus worse for the climate than emissions from nuclear, solar and wind power installations, but better for the climate than emissions from coal and natural gas utilities. Climate Change Emissions Lifecycle analysis Power Generation Water

2019 188

Researchers discover new efficient lithium collection method using MOF membranes; Li from produced water

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Researchers at the University of Texas at Austin, Monash University (Australia) and the Commonwealth Scientific and Industrial Research Organisation (CSIRO) in Australia have recently discovered a new, efficient way to extract lithium and other metals and minerals from water. The membrane process easily and efficiently separates metal ions, opening the door to new advanced technologies in the water and mining industries and potential economic growth opportunities in Texas.

2018 163

Columbia University engineers make breakthrough in understanding electroreduction of CO2 for conversion to electrofuels

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Researchers at Columbia University have solved the first piece of the puzzle; they have proved that CO 2 electroreduction begins with one common intermediate, not two as was commonly thought. In addition, our insight into CO 2 activation at the solid-water interface will enable researchers to better model the prebiotic scenarios from CO 2 to complex organic molecules that may have led to the origin of life on our planet.

2018 183

Monash “artificial photosynthesis” system achieves in excess of 22% efficiency for production of hydrogen from water

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A team at Monash University (Australia) has developed an “artificial photosynthesis” system that delivers the highest efficiency reported to date—in excess of 22%—for the solar-driven conversion of water to hydrogen. We describe here a system that utilises concentrated solar power, which is inexpensive to produce, and an electrolyser module based on Earth-abundant materials capable of operating under benign conditions.

2015 203

Integrated solar-driven system for electrochemical energy storage and water electrolysis for H2 production

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A team from UCLA and colleagues from Tarbiat Modares University and Shahed University in Iran have devised an integrated solar-powered system for both electrochemical energy storage and water electrolysis. The Ni-Co-Fe LDH exhibited excellent electrochemical properties both as an active electrode material in supercapacitors, and as a catalyst in the oxygen evolution reaction (OER) for water splitting. Wh kg −1 with specific power of 37.9

2017 163

New efficient, low-temperature catalyst for converting water and CO to hydrogen and CO2

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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. In order to achieve high WGS activity at low temperature, we searched for catalysts that could dissociate water efficiently and reform the generated oxygen-containing species (reaction of surface oxygen or hydroxyl with CO*) at low temperature.

2017 174

U Tokyo team demonstrates H2 production by steam electrolysis in SAECs at intermediate temps

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A team at the University of Tokyo has demonstrated steam electrolysis using a solid acid electrolysis cell (SAEC) for the production of hydrogen. According to thermodynamics, enthalpy change of the water electrolysis reaction (H 2 O ? This means that the electric power required for the electrolysis becomes smaller at higher temperatures. Hydrogen Hydrogen Production Water

2020 203

New Efficient Iron Catalyst for Water Oxidation

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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. Studies are underway to improve the usefulness of Fe-TAMLs for water splitting. Collins (2010) Fast Water Oxidation Using Iron.

Water 183

New robust triple-layer bifunctional catalyst for water splitting with earth-abundant materials

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A new robust and highly active bifunctional catalyst developed by Rice University and the University of Houston splits water into hydrogen and oxygen without the need for expensive metals such as platinum. The work, the team suggests, provides a facile strategy for fabricating highly efficient electrocatalysts from earth-abundant materials for overall water splitting. Credit: Desmond Schipper/Rice University).

2017 150

DOE Selects Laboratory-led Projects for up to $11M to Support Development of Advanced Water Power Technologies

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The US Department of Energy (DOE) has selected national laboratory-led projects for up to $11 million this year, as well as future years, subject to annual appropriations, under DOE’s competitive laboratory solicitation for the development of Advanced Water Power Technologies. The project will also develop new methods to assist hydroelectric plant operators and regulators in establishing flow regimes that balance ecological needs and power production.

2009 200

EPFL team develops low-cost water splitting cell with solar-to-hydrogen efficiency of 12.3%

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A team led by Dr. 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. The combination of the two delivers a water-splitting photocurrent density of around 10 milliamperes per square centimeter, corresponding to a solar-to-hydrogen efficiency of 12.3%.

2014 235

EPA awards $6.6M to universities for black carbon research

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million in grants to eight universities in support of black carbon research. Black carbon is the sooty black material emitted from diesel-powered engines and vehicles, industries like brick kilns and coke ovens, traditional cookstoves, and other sources that burn fossil fuels or biomass. The US Environmental Protection Agency (EPA) has awarded more than $6.6

2011 204

UMD/USARL team develops “water-in-salt” electrolyte enabling high-voltage aqueous Li-ion chemistries

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A team of researchers from the University of Maryland (UMD) and the US Army Research Laboratory (ARL) have devised a groundbreaking highly concentrated “Water-in-Salt” electrolyte that could provide power, efficiency and longevity comparable to today’s Lithium-ion batteries, but without the fire risk, poisonous chemicals and environmental hazards of current lithium batteries. Lithium-ion (Li-ion) batteries power much of our digital and mobile lifestyle.

2015 195

NSF announces $55M toward national research priorities; intersection of food, energy and water systems

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The National Science Foundation (NSF) has made 11 awards totaling $55 million aimed at building research capacity to develop new innovations at the intersection of food, energy and water systems and to address fundamental questions about the brain. Research at the nexus of food, energy and water. Montana State University. Murray State University. Studies will focus on identifying the presence, extent and timing of harmful algal blooms as they relate to water quality.

2016 150

University of Tennessee to head $250M advanced composites manufacturing institute; Ford, Honda and Volkswagen members

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The Department of Energy and a consortium of 122 companies, nonprofits, and universities led by the University of Tennessee-Knoxville will invest more than $250 million—$70 million in federal funds and more than $180 million in non-federal funds—to launch a Manufacturing Innovation Institute for Advanced Composites—the fifth institute to be awarded of the eight national institute competitions launched earlier ( earlier post ).

2015 204

DOE awards up to $40M for open-water, grid-connected wave energy testing facility

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The US Department of Energy (DOE) announced the award of up to $40 million, subject to appropriations, to design, permit, and construct an open-water, grid-connected national wave energy testing facility. The facility will be constructed in Newport, Oregon, by the Northwest National Marine Renewable Energy Center at Oregon State University and will support innovations in wave energy technologies capable of harnessing the significant wave energy resources along United States coastlines.

2016 163

Berkeley team develops host-guest nanowires for efficient water splitting and solar energy storage

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The team reports on their host-guest system of Ta:TiO 2 |BiVO 4 as a photoanode for use in solar water splitting cells in an open-access paper in the journal ACS Central Science. The host–guest nanowire architecture allows for simultaneously high light absorption and carrier collection efficiency for efficient solar water oxidation. However, to provide constant and stable power on demand, it is necessary to convert sunlight into an energy storage medium.

2016 174

Researchers produce hydrogen from water and charcoal mix at room temperature using laser pulses

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Researchers at Wakayama University in Japan have produced a mixture of hydrogen and carbon monoxide gas by irradiating a mixture of carbon powder and distilled water with intense nanosecond laser pulses at room temperature. Photographs of a bottled mixture of Bincho-tan powder and water (a) before, (b) during, and (c) after irradiation. this contribution, we report the optically induced activity of a well-known material, carbon powder, to generate hydrogen from water.

2013 203

Free piston/ORC system for automotive waste heat recovery being tested at University of Brighton

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A prototype automotive waste heat recovery system has been fired up on a recently commissioned test rig at the University of Brighton. Libertine expects the results from rig tests to confirm the system’s potential to convert the high grade heat in the exhaust into electrical power, which can contribute to either powertrain or auxiliary loads. In addition, the system provides a larger single-stage expansion ratio which suits ethanol/water Rankine cycles.

2015 197