Green Car Congress

APRIL 22, 2020

Researchers at Idaho National Laboratory have developed a new electrode material for a protonic ceramic electrochemical cell (PCEC) that can efficiently convert excess electricity and water into hydrogen. Water splitting reaction on oxygen electrode and PNC’s hydration. The triple conducting oxide of PrNi 0.5 —Ding et al.

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Hydrogen Idaho Water Energy Storage 339

Green Car Congress

JUNE 6, 2017

UNSW Sydney chemists have fabricated a new, inexpensive catalyst for water splitting based on an ultrathin nanosheet array of metal-organic frameworks (MOFs) on different substrates. Unexpectedly, the integrated MOF electrodes demonstrate superior performances towards OER, HER and overall water splitting. —Duan et al.

Water 186

Water Gas-Electric Hydrogen Gas 186

Green Car Congress

JUNE 27, 2016

Researchers at KTH Royal Institute of Technology in Stockholm have developed a new cost-effective electrocatalyst for water-splitting to produce hydrogen. Water splitting is considered one of the most promising strategies to produce chemical fuels such as hydrogen. —Fan et al.

Water 150

Water Ni-Li Production Hydrogen 150

Green Car Congress

APRIL 3, 2013

Percival Zhang, has developed a process to convert xylose—the second-most abundant sugar in plants—into hydrogen with approaching 100% of the theoretical yield. In the process, hydrogen is produced from xylose and water in one reactor containing 13 enzymes, including a novel polyphosphate xylulokinase (XK).

Virginia 331

Virginia Hydrogen Production Low Cost 331

Green Car Congress

JANUARY 9, 2017

Researchers at the US Department of Energy’s National Renewable Energy Laboratory (NREL) have developed a method which boosts the longevity of high-efficiency photocathodes in photoelectrochemical water-splitting devices. Using a photoelectrochemical (PEC) device is a promising way to produce hydrogen.

Hydrogen 150

Hydrogen Renewable Solar 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. Catalysts Hydrogen Production Solar' Energy Environ.

Water 186

Water Gas Production Conversion 186

Green Car Congress

OCTOBER 7, 2015

A team led by researchers from Sandia National Laboratories has shown that molybdenum disulfide (MoS 2 ), exfoliated with lithiation intercalation to change its physical structure, performs as well as the best state-of-the-art catalysts for the hydrogen evolution reaction (HER) but at a significantly lower cost. —Bryan Kaehr.

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Low Cost Hydrogen Water Production 150

Green Car Congress

SEPTEMBER 20, 2016

A team of researchers from the University of Houston and the California Institute of Technology has developed an active and durable earth-abundant transition metal dichalcogenide-based hybrid catalyst for water-splitting that exhibits high hydrogen evolution activity approaching the state-of-the-art platinum catalysts.

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Houston Water Hydrogen Hybrid 150

Green Car Congress

MARCH 17, 2015

Researchers from the University of New South Wales (Australia) have developed a highly efficient electrode for the oxygen evolution reaction (OER) in water-splitting that has the potential to be scaled up for industrial production of hydrogen. water electrolysis at large current. water electrolysis at large current.

Water 150

Water Hydrogen Gas-Electric Australia 150

Green Car Congress

DECEMBER 12, 2016

A research team from University of Western Ontario, McMaster University and Beijing Computational Science Research Center has developed an effective synthesis method to produce isolated single platinum (Pt) atoms and clusters for use as catalysts for the hydrogen evolution reaction (HER) in water splitting to produce hydrogen.

Water 150

Water Hydrogen Insight Universal 150

Green Car Congress

JUNE 17, 2016

A team of researchers at the University of Southern California has developed a robust, reusable iridium catalyst that enables hydrogen gas release from neat formic acid. Formic acid (HCO 2 H, FA) is a hydrogen carrier; it can release hydrogen under mild conditions with only CO 2 as a by-product. Jeff Joseph A. Lo & Travis J.

Hydrogen 150

Hydrogen Carbon Water Gas 150

Green Car Congress

MARCH 16, 2010

H 2 and O 2 are produced by deforming a ZnO fiber or BaTiO 3 dendrite in water via oxidation-reduction reactions. They then applied the PZEC effect to generate hydrogen and oxygen via direct water splitting. The mechanism of the water decomposition via the PZEC effect relies on the piezoelectric properties of the materials.

Water 199

Water Waste Hydrogen Energy 199

Green Car Congress

MAY 8, 2010

Researchers from UC Davis and the Massachusetts Institute of Technology have uncovered more detail about the functioning of cobalt as a water-splitting catalyst. In 2008, MIT chemists, led by Professor Dan Nocera, reported that a simple cobalt catalyst could split water at neutral pH to produce oxygen, protons and electrons.

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Water Insight Davis MIT 186

Green Car Congress

JUNE 20, 2009

Concept for hydrogen gas coproduction from cellulosic ethanol byproduct streams. Researchers at Oregon State University have demonstrated the gasification of water-soluble biomass constituents in supercritical water in a microchannel reactor under isothermal, continuous flow condition at short residence times to produce a hydrogen-rich gas.

Water 150

Water Hydrogen Production Conversion 150

Green Car Congress

APRIL 14, 2017

Using quantum dots (QD) and a process called Multiple Exciton Generation (MEG), the NREL researchers were able to push the peak external quantum efficiency for hydrogen generation to 114%. Photogenerated holes oxidize sulfide in one compartment while electrons reduce hydrogen in the other compartment at the dark Pt cathode.

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Solar Water Energy Fuel 150

Green Car Congress

JULY 10, 2014

Researchers at Stanford, working with colleagues at SLAC, Lawrence Berkeley National Laboratory and Sandia National Laboratories, have observed the hydrogen-oxygen reaction in a cerium oxide (ceria) fuel cell and taken atomic-scale “snapshots” of this process using a synchrotron. The blue balls are hydrogen atoms. —William Chueh.

Hydrogen 218

Hydrogen Insight Fuel Water 218

Green Car Congress

MARCH 17, 2015

The Cu-Ti-Ti hollow site binds hydrogen too strongly. copper-titanium catalyst provides a large-surface area for electrocatalytic hydrogen evolution, and improves the mass transport properties. Click to enlarge. An open-access paper on their work is published in the journal Nature Communications.

Hydrogen 150

Hydrogen Water Delaware Environment 150

Green Car Congress

AUGUST 1, 2017

Scientists at Rice University and the Lawrence Livermore National Laboratory have predicted and created new two-dimensional electrocatalysts—low-cost, layered transition-metal dichalcogenides (MX 2 ) based on molybdenum and tungsten—to extract hydrogen from water with high performance and low cost.

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Hydrogen Production San Diego Low Cost 150

Green Car Congress

DECEMBER 5, 2017

A team led by researchers from Sandia National Laboratories and the University of California, Merced has developed an efficient molybdenum disulfide (MoS 2 ) catalyst for driving the hydrogen evolution reaction (HER). The structures take in an external material to produce hydrogen rather than oxygen, and one day may be powered by sunlight.

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Low Cost Hydrogen Production Universal 170

Green Car Congress

NOVEMBER 6, 2009

GHG analysis for hydrogen from renewable sources (HR) and fossil sources (HF), compared to advanced gasoline ICE vehicles (Scenario G). GHG, criteria pollutants, energy intensity, water resources, costs, urban air quality) for future year scenarios proposed for fuels and power plants associated with both mobile and stationary sources.

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Hydrogen Fuel Gas Vehicles 199

Green Car Congress

JUNE 11, 2010

A team at the University of Leeds (UK) is investigating hydrogen production from waste tires using a two-stage pyrolysis-gasification reactor and Ni-Mg-Al (1:1:1) catalyst. Catalysts play an important role in pyrolysis-gasification processes for maximizing hydrogen production. Hydrogen production increased from 0.68

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Waste Hydrogen Production Gas 220

Green Car Congress

JANUARY 14, 2022

This article proposes a model that accounts for the modes in which aqueous gas depletion evolves over time and affects the long-term CO 2 electroreduction and the corresponding pH evolution near the electrode’s surface. In all of these, I think the hydrogen co-evolution becomes a bottleneck. Álvaro Moreno Soto, Jack R. 1c02540.

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MIT CO2 Carbon Conversion 284

Green Car Congress

SEPTEMBER 29, 2009

An international team of scientists from the UK, Germany and France have discovered how oxygen stops photosynthetic organisms such as green algae from producing hydrogen. The findings could help advance development of the microbial production of hydrogen from sunlight and water. Professor Armstrong.

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Hydrogen Insight Production 2009 210

Green Car Congress

APRIL 11, 2014

The nanosized crystalline primary particles and high surface areas enable an increased rate of photocatalytic hydrogen production from water and extended working life. The material is then heat-treated and washed in water to dissolve the salt, leaving pores that range from 5 to 15 nanometers.

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Li-ion Sodium Lithium Ion Production 218

Green Car Congress

MAY 2, 2017

Qingjie Ge at the Dalian Institute of Chemical Physics in China has developed an efficient, stable, and multifunctional Na-Fe 3 O 4 /HZSM-5 catalyst for the direct production of gasoline-range hydrocarbons from CO 2 hydrogenation. The gasoline fractions are mainly isoparaffins and aromatics, thus favoring the octane number.

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Conversion Gasoline China Range 170

Green Car Congress

FEBRUARY 23, 2010

The hydrogen production should correspond to a minimum production of 750 N m 3 /day or about 0.4 mol/s pure hydrogen (99.99%). Hydrogen is produced through a pressure swing adsorption system, whose feed can be from either the MCFC anode outlet or a split of the reformate before the anode inlet. Plant process flow diagram.

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Hydrogen Power Powered Fuel 186

Green Car Congress

SEPTEMBER 7, 2016

By increasing the operational flexibility, this class of fuel cell can simplify the requirements for heat and water management, and potentially reduce the costs associated with the existing fully functional fuel cell systems, the researchers said. Further, this means that the operating temperature can’t get higher than water’s boiling point.

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Fuel Range Market Water 150

Green Car Congress

MAY 21, 2009

The direct fuel cell produces electricity, with water and CO 2 as byproducts of the oxidation of the liquid fuel in the fuel cell. The roundtrip efficiency achievable for either a methanol or a liquid hydrocarbon cycle should be greater than that of a hydrogen cycle for storing energy from renewable sources, the researchers calculated.

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Water Renewable Energy CO2 150

Cars That Think

OCTOBER 22, 2023

This sponsored article is brought to you by BESydney. From eco-friendly fabric manufacturing and hydrogen storage to molecular diagnostics and sustainable alternatives to plastics, Sydney’s brightest minds are tackling some of the world’s most pressing challenges.

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Hydrogen Industrial Industry Global 81

Green Car Congress

DECEMBER 30, 2009

The resulting CO can be used to convert water to hydrogen via the water gas shift reaction. Article ASAP doi: 10.1021/ja909038t. Tags: Catalysts Climate Change Emissions Fuels Hydrogen. The reaction also shows a new economical way to oxidize aromatic aldehydes, and could be applied in pharmaceutical synthesis.

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CO2 Climate Change Carbon Singapore 281

Green Car Congress

JANUARY 28, 2019

Relative change in contrail cirrus a in-cloud ice water content and b ice crystal volume radius at 240?hPa Decreasing the fuel aromatics content, using biofuel together with liquid natural gas or liquid hydrogen, or switching to lean combustion is expected to lead to even larger reductions. The results are expected in summer 2019.

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Climate Cleaner Emissions Alternative Fuels 278

Green Car Congress

AUGUST 23, 2016

By increasing the operational flexibility, this class of fuel cell can simplify the requirements for heat and water management, and potentially reduce the costs associated with the existing fully functional fuel cell systems. There’s a huge benefit to running fuel cells at the widest possible operating temperature with water tolerance.

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Fuel Water Polymer Waste 150

Green Car Congress

JANUARY 21, 2014

The sugar battery combines maltodextrin, a polysaccharide made from partial hydrolysis of starch with air to generate electricity and water as the main byproducts. The fuel sugar solution is neither explosive nor flammable and has a higher energy storage density than hydrogen fuel cells or direct methanol fuel cells.

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Virginia Energy Fuel Energy Storage 343

Baua Electric

MAY 10, 2024

This has brought into focus technologies such as electric, hybrid and hydrogen. Given its key role in the Indian biofuel program, ethanol will be the focus of this article. The government is now promoting use of maize, which has ¼ the water consumption as compared to rice and ethanol. million hectare under cultivation.

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Carbon Future Auto Petrol 52

Green Car Congress

MARCH 8, 2013

Although several attempts have been made on the anode materials, the main disadvantages is that their energy density is still much lower than that of conventional lithium ion batteries due to the narrow electrochemical window of water. V, much higher than the theoretic stable window of water, 1.229 V. —Wang et al.

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Li-ion Low Cost Recharge Ni-Li 281

Green Car Congress

MARCH 14, 2017

The catalytic nanoparticles were added to alkaline water in which the biomass was suspended. Erwin Reisner, observed: Our sunlight-powered technology is exciting as it enables the production of clean hydrogen from unprocessed biomass under ambient conditions. Photoreforming of lignocellulose to H2 on CdS/CdOx. Wakerley, Moritz F.

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Light Solar Conversion Hydrogen 236

Green Car Congress

FEBRUARY 11, 2011

As described in the paper, the team of Jie Fu, Xiuyang Lu, and Phillip Savage converted five different fatty acids prevalent in nature—stearic, palmitic, lauric, oleic, and linoleic—to alkanes over a commercial 5% Pt/C catalyst in high-temperature water (330 °C). —Fu et al.

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Transportation Fuel Hydrogen Convert 199