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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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.

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Cars That Think

DECEMBER 30, 2021

This article, by researchers at PARC and the University of Washington, is one possible answer. Solar-to-Hydrogen Tech Sees "Remarkable" Efficiency Jump Another big development in the energy sector is the return of the hydrogen economy. Most of the world’s hydrogen comes from deeply polluting methods.

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Hydrogen Molten Salt Green China 106

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). Image courtesy of Sandia National Laboratories) Click to enlarge. —Stanley Chou.

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Low Cost Hydrogen Production Universal 170

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. Kedzie, Nicholas J.

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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. Materials scientists at the University of Wisconsin-Madison have discovered a phenomenon—the direct conversion of mechanical energy to chemical energy—which they termed the piezoelectrochemical (PZEC) effect.

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Water Waste Hydrogen Energy 199

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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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.

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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.

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Hydrogen Water Delaware Environment 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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Get Electric Vehicle

APRIL 18, 2022

To put it another way, instead of splitting water into hydrogen and oxygen with electricity, these two components are joined to make water and electricity The electricity is then utilized to power the car’s drive train, leaving just water as a waste product. So what is green hydrogen?

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Hydrogen Green Cars Gas-Electric 40

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

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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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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Cars That Think

SEPTEMBER 17, 2021

This article is part of our exclusive IEEE Journal Watch series in partnership with IEEE Xplore. More ambitiously, some are developing hydrogen-powered trains, which rather than emitting greenhouse gases, only produce water vapor and droplets. But, producing electricity from hydrogen comes with its own challenges.

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Emissions Fuel Convert Hydrogen 85

Green Car Congress

MAY 21, 2009

Researchers at Northwestern University are proposing, and have begun experimental validation of, a renewable liquid-fuel energy storage cycle based on the co-electrolysis of H 2 O and CO 2 using a solid oxide electrolysis cell (SOEC) powered by renewable electricity to produce syngas. Hydrogen and CO are the basic components of syngas.

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Water Renewable Energy CO2 150

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. The catalytic nanoparticles were added to alkaline water in which the biomass was suspended. Wakerley, Moritz F.

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Light Solar Conversion Hydrogen 236

Green Car Congress

JANUARY 23, 2015

Scientists at Rice University and the University of Minnesota have identified , through a large-scale, multi-step computational screening process, promising zeolite structures for two energy-related applications: the purification of ?ethanol Deem is co-author of the new study led by University of Minnesota chemist Ilja Siepmann.

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Green Car Congress

MARCH 8, 2013

Researchers from Fudan University in China and Technische Universität Chemnitz in Germany have developed an aqueous rechargeable lithium battery (ARLB) using coated Li metal as the anode. V, much higher than the theoretic stable window of water, 1.229 V. mol l -1 Li 2 SO 4 aqueous solution as electrolyte. Wang et al. Click to enlarge.

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Green Car Congress

FEBRUARY 11, 2011

Researchers from the University of Michigan and Zhejiang University (China) are developing a new pathway—catalytic hydrothermal decarboxylation—to produce liquid hydrocarbon (i.e., In contrast, the focus herein is on fatty acid decarboxylation in water. —Fu et al.

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Cars That Think

DECEMBER 29, 2021

Powering them with clean energy sources won’t be difficult given China’s plentiful renewable capacity, says Michael Davidson , an engineering-systems and global-policy expert at the University of California, San Diego. Even the iconic Olympic torch will burn hydrogen for its flame. will shuttle spectators around.

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Green Car Congress

SEPTEMBER 19, 2013

MIT researchers have found a new family of highly active catalyst materials that provides the best performance yet in the oxygen evolution reaction (OER) in electrochemical water-splitting—a key requirement for energy storage and delivery systems such as advanced fuel cells and lithium-air batteries. Earlier post.) —Grimaud et al.

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Green Car Congress

MAY 9, 2018

Researchers at the University of Exeter (UK) have developed a novel p-type LaFeO 3 photoelectrode using an inexpensive and scalable spray pyrolysis method. The nanostructured photoelectrode results in spontaneous hydrogen evolution from water without any external bias applied with a faradaic efficiency of 30% and excellent stability.

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Water Low Cost Solar Hydrogen 342

Green Car Congress

MARCH 9, 2009

Researchers at the University of Michigan (U-M) have developed a new nanoporous material with a surface area of more than 5,000 square meters per gram—significantly higher than that of any other porous material reported to date. I think we needed this compound to demonstrate that high surface area alone is not enough for hydrogen storage. ”.

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Polymer Michigan 2004 Hydrogen 170

Cars That Think

DECEMBER 23, 2023

This article is part of our special report Top Tech 2024. is recovering technical capabilities it lost two or three generations ago and is on track to returning astronauts to the moon,” says Bleddyn Bowen , associate professor at the University of Leicester, in England. “It It’s a demonstration that the U.S.

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Plug In India

MARCH 15, 2023

Team PluginIndia The Lithium mining FUD (Fear, Uncertainty, Doubt) created by some paid media organizations and random YouTube channels is so bad, that many people read headlines of such articles and assume that Lithium mining is the worst thing in the world and is worse than extracting and refining 10,000 liters of oil used by an average ICE car.

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Chile Li-ion Petrol India 59

Green Car Congress

MAY 26, 2010

Chemists at Brown University have synthesized novel core and shell palladium/iron-platinum (Pd/FePt) nanoparticles that use far less platinum yet perform more efficiently and last longer than commercially available pure-platinum catalysts for the oxygen reduction reaction (ORR) in hydrogen fuel cells.

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Baua Electric

MAY 10, 2024

While solar and wind provide carbon-free electricity or H 2 through water splitting, they lack the ability to directly produce carbon-based fuels and chemicals without additional carbon sources. By cycling carbon through energy generation systems as biomass, it offers a means to address climate change. Dr. Gogoi is also Asst.

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Fuel Auto Oil Conversion 52

Green Car Congress

MAY 1, 2009

Researchers at the Norwegian University of Science and Technology (NTNU) are proposing a new process for producing synfuel from biomass using concentrating solar energy as its main energy source. Hydrogen for reverse water gas shift reaction to avoid producing CO 2 during the process is produced by electrolyzing water, driven by solar power.

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Solar Molten Salt Fuel Production 186

Green Car Congress

NOVEMBER 2, 2016

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. However, the thermodynamic minimum voltage required to electrolyse water is only 1.23 V The prior record was 24.4%.

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Solar Water Hydrogen Energy Storage 150

Cars That Think

SEPTEMBER 22, 2021

It will also include a small spacecraft capable of "hopping" to explore shadowed craters for evidence of potential water ice, a resource that, if present, could be used in the future for both propulsion and supplies for astronauts. produced an engineering prototype of a 220-tonne thrust staged-combustion liquid hydrogen/liquid oxygen engine.

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Green Car Congress

AUGUST 22, 2014

Researchers at Stanford University, with colleagues at Oak Ridge National Laboratory and other institutions, have developed a nickel-based electrocatalyst for low-cost water-splitting for hydrogen production with performance close to that of much more expensive commercial platinum electrocatalysts. Credit: Gong et al.

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Low Cost Water Hydrogen Taiwan 273

Green Car Congress

FEBRUARY 7, 2019

A novel ruthenium-based catalyst developed by researchers at UC Santa Cruz (UCSC) has shown markedly better performance than commercial platinum catalysts in alkaline water electrolysis for hydrogen production. mV to reach the current density of 10?mV?cm-2 M KOH and ?47?mV Bingzhang Lu, Lin Guo, Feng Wu, Yi Peng, Jia En Lu, Tyler J.

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Green Car Congress

MARCH 27, 2017

Researchers at George Washington University led by Dr. Stuart Licht ( earlier post ) have developed a new process that transforms CO 2 into a controlled selection of nanotubes (CNTs) via molten electrolysis; they call the process C2CNT (CO2 into carbon nanotubes).

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CO2 Carbon Gas-Electric 2017 150

Green Car Congress

OCTOBER 21, 2015

The Rice lab of chemist James Tour and colleagues at the Chinese Academy of Sciences, the University of Texas at San Antonio and the University of Houston have developed a robust, solid-state catalyst that shows promise to replace expensive platinum for hydrogen generation. —Fei et al.

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Hydrogen San Antonio Production Houston 150

Cars That Think

DECEMBER 19, 2021

But sulfate aerosols—the combination of particles and water—can destroy the planet-protecting ozone layer. Faye McNeill’s group at Columbia University. She measured the reaction between calcite aerosols and hydrogen chloride, a stratospheric trace gas that can, through chain reactions, ultimately impact the stratospheric ozone level.

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Ozone Solar Climate Change Climate 123

Green Car Congress

MARCH 10, 2018

Water flow through the membranes was 1000 times higher than predicted by Hagen-Poiseuille flow, in agreement with previous CNT membrane studies. The difficulty and high cost of making CNT membranes has confined them to university laboratories and has been frequently cited as the limiting factor in their widespread use. Mattershift.

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