Green Car Congress

MAY 19, 2017

Rice University scientists have used a seamless graphene-carbon nanotube (GCNT) electrode to store lithium metal reversibly and with complete suppression of dendrite formation. The Air Force Office of Scientific Research Multidisciplinary University Research Initiative supported the research. to GCNT-Li-4. —Raji et al.

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Li-ion Store Batteries Battery 231

Green Car Congress

MAY 28, 2019

We are suggesting a new approach where we stitch together biological and non-biological electrochemical engineering to create a new method to store energy. Natural photosynthesis already offers an example for storing solar energy at a huge scale, and turning it into biofuels in a closed carbon loop.

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Energy Storage Engine Energy Polymer 274

Green Car Congress

MAY 23, 2012

Per unit area, seagrass meadows can store up to twice as much carbon as the world’s temperate and tropical forests, according to a paper this week in the journal Nature Geoscience. The paper, “Seagrass Ecosystems as a Globally Significant Carbon Stock,” is the first global analysis of carbon stored in seagrasses.

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Carbon Global Virginia Florida 199

Green Car Congress

APRIL 5, 2018

A research team led by the National University of Singapore (NUS) has developed an economical and industrially viable strategy to produce graphene. The resulting graphene slurry be easily separated into monolayers when required or stored away for months. Dong et al. Click to enlarge.

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Production Water Singapore Universal 186

Green Car Congress

OCTOBER 6, 2018

A study led by environmental health scientists at Columbia University Mailman School of Public Health examined the release of vapors from gasoline station vent pipes, and found benzene emissions were 10 times higher than estimates used in setback regulations that determine how close schools, playgrounds, and parks can be to the facilities.

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Gasoline New York City Pollution Gas 365

Green Car Congress

SEPTEMBER 12, 2015

The comparison to the electric vehicle is based on estimates which factor in the CO 2 emissions resulting from fuel production, with the DME-powered vehicle figure calculated from the use of renewable energy to generate the DME fuel, and the electric vehicle figure calculated from electricity generated from renewable resources.

Ford 150

Ford Fuel Power Powered 150

Green Car Congress

DECEMBER 16, 2015

Researchers from Purdue University and École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland are proposing a new integrated process involving the co-production of hydrogen and electricity from solar thermal energy—a concept they label “hydricity”. —Gençer et al.

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Solar Production Energy Concept 150

Green Car Congress

NOVEMBER 11, 2016

This wide bandgap inverter product resulted in a smaller, lighter, higher power density and more efficient system in comparison to Toyota’s present Prius inverter design implementing silicon technology. —John Palmour, Wolfspeed’s chief technology officer.

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2016 Arkansas DC North America 268

Green Car Congress

MARCH 13, 2012

Researchers at the University of Alberta (Canada) have quantified the transformation of the boreal landscape by open-pit oil sands mining in Alberta, Canada to evaluate its effect on carbon storage and sequestration. million metric tons of stored carbon. Oil sands mining and reclamation cause massive loss of peatland and stored carbon.

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Oil-Sands Oil Carbon Conversion 270

Green Car Congress

AUGUST 15, 2012

A team from the University of New South Wales (Australia) reports on a novel core-shell strategy leading to high and stable hydrogen absorption/desorption cycling for sodium borohydride (NaBH 4 ) under mild pressure conditions (4 MPa) in an open-access paper in the journal ACS Nano. Credit: ACS, Christian and Aguey-Zinsou. Click to enlarge.

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Sodium Hydrogen Vehicles Store 255

Green Car Congress

OCTOBER 10, 2017

Stanford researchers have developed a sodium-ion battery (SIB) that can store the same amount of energy as a state-of-the-art lithium ion, at substantially lower cost. The researchers focused mainly on the favorable cost-performance comparisons between their sodium-ion battery and lithium.

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Sodium Li-ion Batteries Battery 186

Green Car Congress

JUNE 23, 2009

Scientists at the University of Delaware are developing a new low-cost material for hydrogen storage—carbonized chicken feathers (CCFF)—that they say could meet the DOE requirements for hydrogen storage and are competitive with carbon nanotubes and metal hydrates at a tiny fraction of their cost. Wool, University of Delaware.

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Hydrogen Carbon Delaware Universal 220

Green Car Congress

APRIL 11, 2014

Researchers at Stanford University have developed a nanocrystalline copper material that produces multi-carbon oxygenates (ethanol, acetate and n-propanol) with up to 57% Faraday efficiency at modest potentials (–0.25?volts The research was supported by Stanford University, the National Science Foundation and the US Department of Energy.

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Fuel CO2 Carbon Conversion 300

Green Car Congress

OCTOBER 11, 2016

The team says supercapacitors, with their ability to store relatively large amounts of power, could play an important role in making renewable energy sources practical for widespread deployment. Comparison of areal capacitances among various EDLC materials. Here is the breakthrough provided by Dincă et al.: —Alexandru Vlad.

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MIT Carbon Belgium Universal 150

Green Car Congress

MAY 1, 2013

Researchers at the University of Wyoming Carbon Management Institute (CMI) discovered a major new lithium resource near Rock Springs during a geological carbon dioxide storage site characterization project sponsored by the US Department of Energy. By comparison, the lithium reserves at Silver Peak, Nev.—the

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Wyoming CO2 Production Sodium 246

Green Car Congress

NOVEMBER 19, 2015

CO 2 emissions from the ammonia industry alone amount to approximately 200 million tons per year—by comparison, Germany generates around 800 million tons of carbon dioxide per year. Alternatively, black carbon can be stored away, using procedures that are much simpler, safer and cheaper than the storing of carbon dioxide.

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Cleaner Production Kits CO2 150

Green Car Congress

AUGUST 17, 2010

Algae store chemical energy in the form of oils such as neutral lipids or triglycerides; the algal oil can be extracted and converted into biodiesel by transesterification with short-chain alcohols or by hydrogenation of fatty acids into linear hydrocarbons for drop-in fuel components. The perspective by René H. Wijffels and Maria J.

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Portugal Oil Solar Netherlands 199

Green Car Congress

APRIL 27, 2014

Ce 0.02 (PO 4 ) 3 /C) measured at comparable current densities has been included for comparison. What is different is that the electrode material that stores the Li is all-carbon for both the anode as well as the cathode. The performance of various other cathode materials (LiCoO 2 , LiFePO 4 , LiNi 0.75 O 2 and Li 3 V 1.98

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Recharge Li-ion Carbon Batteries 252

Green Car Congress

APRIL 23, 2015

The US Department of Energy (DOE) has awarded a multidisciplinary team at the University of Michigan $1.2 Theoretical total (adsorbed + gas phase H 2 at 77 K and 35 bar) volumetric and gravimetric density of stored H 2 in ∼4000 MOFs mined from the CSD. Earlier post.).

Hydrogen 150

Hydrogen 2017 2013 Michigan 150

Green Car Congress

JANUARY 9, 2013

C, in comparison with bare sulfur and sulfur–TiO 2 core–shell nanoparticles. Researchers at Stanford University and SLAC led by Stanford associate professor Yi Cui have used a sulfur–TiO 2 yolk–shell design for a cathode material for a lithium-sulfur battery that achieved an initial specific capacity of 1,030? Click to enlarge.

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Lithium Sulfur Batteries Battery Energy Storage 231

Cars That Think

DECEMBER 22, 2023

I think this is the coolest technology of the last 20 years,” says Todd Austin , a hardware security expert at the University of Michigan, whose startup Agita Labs does a different form of secure computing in the Amazon and Microsoft clouds. “It One comparison you can use to understand FHE is that it’s analogous to a Fourier transform.

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Standards Austin Companies Legal 140

Green Car Congress

DECEMBER 5, 2016

Members of the Marine Algae Industrialization Consortium (MAGIC), led by Duke University in North Carolina, have published an open-access paper in the journal Oceanography presenting the large-scale industrial cultivation of marine microalgae (ICMM) as an answer to pressing global energy, food and climate security issues.

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Mariner Climate Global Industrial 150

Green Car Congress

FEBRUARY 24, 2016

A paper by a team from the University of Chicago and MIT suggests that technology-driven cost reductions in fossil fuels will lead to the continued use of fossil fuels—oil, gas, and coal—unless governments pass new taxes on carbon emissions. Their analysis is published in the Journal of Economic Perspectives. F of warming.

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Chicago MIT Tax Carbon 150

Green Car Congress

JANUARY 18, 2017

In a review paper in the journal Nature Materials , Jean-Marie Tarascon (Professor at College de France and Director of RS2E, French Network on Electrochemical Energy Storage) and Clare Gray (Professor at the University of Cambridge), call for integrating the sustainability of battery materials into the R&D efforts to improve rechargeable batteries.

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Li-ion Ni-Li Batteries Battery 150

Cars That Think

APRIL 12, 2023

Other mathematical operations reduce the amount of data that needs to be transmitted or stored. In one comparison , WaveOne reconstructions of images were five to 10 times more likely to be chosen over conventional codecs by a group of independent users. WaveOne has shown success in neural network compression of still images.

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London Standards Parts Purchase 96

Green Car Congress

AUGUST 24, 2016

A team at the Ohio State University has developed a membrane that regulates bi-directional ion transport across it as a function of its redox state and that could be used as a programmable smart membrane separator in future supercapacitors and redox flow batteries. plugin EVs to Tesla’s 85 kWh battery pack). —Herya and Sundaresan.

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Energy Storage Energy Power Powered 150

Green Car Congress

SEPTEMBER 21, 2011

So when you open the exhaust valve to dump expanded gas out to the environment, you lose all of that energy stored in the high-pressure exhaust gases and you create a lot of noise. —Timothy Shedd. Slowly decompressing the gases would waste less of that energy and make for a much quieter engine. —Tim Shedd.

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Engine Diesel Standards Exhaust 186

Green Car Congress

JULY 7, 2015

The study, led by GLBRC scientist and Michigan State University professor of ecosystem ecology Stephen Hamilton, is the first multi-year effort to compare the water use of conventional corn crops to the perennial cropping systems of switchgrass, miscanthus, native grasses, restored prairies, and hybrid poplar trees.

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Water Climate Change Climate Environment 150

Green Car Congress

OCTOBER 5, 2010

BASF research scientists have developed a method for solvent-free industrial-scale manufacture of metal organic frameworks (MOFs)— highly crystalline structures with nanometer-sized pores that allow them to store hydrogen and other high-energy gases. Yaghi (then at University of Michigan, now UCLA). Earlier post.) Earlier post.)

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Gas Industrial Industry Hydrogen 170

Cars That Think

JANUARY 28, 2023

For instance, Alexandre Milovanoff at the University of Toronto and his colleagues’ research (which is described in depth in a recent Spectrum article ) demonstrates the U.S. This is due to the 30 to 40 percent increase in emissions EVs create in comparison to manufacturing an ICE vehicle, mainly from its battery production.

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Climate Change Climate San Diego Emissions 138

Green Car Congress

DECEMBER 20, 2016

The results were confirmed by a medical study conducted by ECARF Institute GmbH in an innovative, mobile pollen chamber in the grounds of the Charité university hospital in Berlin. The efficiency of the filter is measured by means of a before/after comparison, with the concentration of allergens before and after the filter being determined.

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Mercedes Cars Emissions Standards 150

Green Car Congress

OCTOBER 15, 2009

Up to now, however, redox flow batteries have had the disadvantage of storing significantly less energy than lithium-ion batteries. This work is being carried out with colleagues from the University of Applied Sciences, Ostphalia, in Wolfenbüttel and Braunschweig. long calendar life, excellent cycle ability (> 10,000).

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Batteries Battery Li-ion Lithium Ion 191

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. For comparison, they also modeled the production of methanol using only biomass as a fuel and also using coal as source of both carbon and energy.

Solar 186

Solar Molten Salt Fuel Production 186

Cars That Think

APRIL 4, 2023

He and colleagues at University of California, San Diego delivered what he called an “an open and transparent assessment” of Google’s reinforcement learning approach. University of Calgary professor Laleh Behjat compares it to planning a modern city versus planning a 17 th century one. The results were mixed.

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Design Google Standards Commercial 127

Green Car Congress

SEPTEMBER 23, 2009

The cell charger array constructed at the Dahn laboratory, Department of Physics and Atmospheric Science, Dalhousie University. In electrochemical cells, Coulombic efficiency refers to the ratio of the charge delivered during discharge to the amount stored during charging. the Keithley 220 devices are programmable current sources.

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Li-ion Lithium Ion Charging Batteries 186

Green Car Congress

SEPTEMBER 13, 2011

The comparison between a donkey and a thoroughbred racehorse is an excellent example: each has a head, a body and four legs. The energy stored in the flywheel can then accelerate the car or be used to propel the vehicle once it reaches its cruising speed.

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Volvo Concept Engine Future 246

Cars That Think

NOVEMBER 28, 2022

In comparison, the state’s goal is to achieve this amount by 2050. This situation is not true universally. Palo Alto’s government has set a very aggressive Sustainability and Climate Action Plan with a goal of reducing its greenhouse gas emissions to 80 percent below the 1990 level by the year 2030.

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Grid United States Charging Gas-Electric 119