Green Car Congress

JUNE 15, 2018

However, some compounds like FeF 3 are capable of transferring multiple electrons through a more complex reaction mechanism, called a conversion reaction. Iron fluoride, an intercalation-conversion cathode for lithium-ion batteries, promises a high theoretical energy density of 1922?Wh?kg

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Conversion Energy Lithium Ion Maryland 207

Green Car Congress

OCTOBER 13, 2019

A new material that can selectively capture CO 2 molecules and efficiently convert them into useful organic materials has been developed by researchers at Kyoto University, along with colleagues at the University of Tokyo and Jiangsu Normal University in China. —Susumu Kitagawa, materials chemist at Kyoto University.

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Polymer Convert CO2 Carbon 255

Green Car Congress

JUNE 15, 2010

Researchers at the University of Cincinnati, Ohio, report on the development of a catalytic hydroboration system for the “highly efficient” reduction of CO 2 with a borane and subsequent hydrolysis of the resulting methoxyboryl species to produce methanol (CH 3 OH) in good yield. Article ASAP doi: 10.1021/ja103982t.

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Conversion CO2 Ohio Carbon 199

Green Car Congress

JANUARY 4, 2013

A new spatially-explicit life cycle assessment of five different “sun-to-wheels” conversion pathways—ethanol from corn or switchgrass for internal combustion vehicles (ICVs); electricity from corn or switchgrass for battery-electric vehicles (BEVs); and photovoltaic electricity for BEVs—found a strong case for PV BEVs.

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Transportation Carbon Conversion Li-ion 319

Cars That Think

JANUARY 30, 2025

AI agents will make calls on our behalf, conversing with others in natural language. A ring modulator has several advantages: It is computationally simple, can be applied in real-time, does not affect the intelligibility of the voice, and--most importantly--is universally robotic sounding because of its historical usage for depicting robots.

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Google Personal Standards Conversion 131

Green Car Congress

JUNE 10, 2019

Magnetite, among other conversion-type electrode materials (i.e., In the following charge, this conversion reaction is not completely reversible—residues of metallic iron and lithium oxide remain. Because the conversion reaction is not fully reversible, these residual products accumulate.

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Lithium Ion Li-ion Batteries Battery 236

Green Car Congress

APRIL 1, 2016

A team from The University of Manchester and East China University has developed a process for the direct hydrodeoxygenation of raw woods into liquid alkanes with mass yields up to 28.1 wt% Nature Communications 7, Article number: 11162 doi: 10.1038/ncomms11162. wt% over a multifunctional Pt/NbOPO 4 catalyst in cyclohexane.

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Conversion Fuel Energy Convert 150

Green Car Congress

MARCH 26, 2019

Now, researchers at Washington State University, University of New Mexico, Eindhoven University of Technology, and Pacific Northwest National Laboratory report developing a catalyst that can both withstand high temperatures and convert pollutants at near room temperature. Hensen, Yong Wang & Abhaya K.

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Exhaust Pollution Convert Universal 270

Green Car Congress

AUGUST 6, 2011

The team also suggested that algae systems can be either net energy positive or negative depending on the specific combination of cultivation and conversion processes used. Unit operations pertinent to assessment of four specific conversion pathways are shaded (gray) in panels A-D at bottom. Credit: ACS, Clarens et al. Earlier post.)

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Transportation Energy Conversion Water 278

Green Car Congress

JUNE 28, 2018

Now, an international research team has discovered and characterized a new family of cytochrome P450 enzymes critical to improving the conversion of lignin. Demethylation is the simple chemistry of removing a methyl group, and the microbial conversion of lignin relies on this critical reaction. —Gregg Beckham. Houk, Gregg T.

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Convert Production Los Angeles Conversion 186

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. Cost effective solar fuel generation is hindered by the semiconductor material not meeting certain essential criteria to achieve highly efficient solar to hydrogen conversion.

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Water Low Cost Hydrogen Solar 342

Green Car Congress

MARCH 18, 2010

Researchers at the Norwegian University of Science and Technology (NTNU) have developed a calculation procedure to estimate the maximum theoretical yields, as well as predictions of the conversion efficiencies in terms of mass, carbon, and energy efficiency, of selected biorefinery production chains. Click to enlarge.

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Diesel Conversion Carbon Energy 231

Green Car Congress

DECEMBER 19, 2021

Sulfides are common materials, but the MIT scientists are experimenting with them under extreme conditions such temperatures from 800 to 3,000 degrees Fahrenheit that are used in manufacturing plants but not in a typical university lab. Cite this article Stinn, C., Allanore, A. 2021) “Selective sulfidation of metal compounds.”

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MIT Lithium Ion Gas-Electric Energy 396

Green Car Congress

AUGUST 16, 2013

Korea), Georgia Institute of Technology, and Dong-Eui University (S. The power density of a commercialized low-temperature SOFC system developed by researchers at the University of Maryland and Redox Power is also more than 2W cm -2 , earlier post.). Scientific Reports 3, Article number: 2426 doi: 10.1038/srep02426.

Fuel 268

Fuel Maryland Universal Georgia 268

Green Car Congress

FEBRUARY 21, 2010

Researchers at the University of Waterloo (Canada) have demonstrated a single-step solid acid-catalyzed process with the potential for industrial-scale production of biodiesel from high free fatty acid (FFA) feedstocks. Energy Fuels , Article ASAP doi: 10.1021/ef901258b. Aijaz Baig and Flora T.

Production 239

Production Oil Waste Conversion 239

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. A paper on their work is published in the journal Nature Energy. Wakerley, Moritz F. Kuehnel, Katherine L. Ly, Timothy E.

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Light Solar Conversion Hydrogen 236

Green Car Congress

NOVEMBER 14, 2010

An alternative method is its primary conversion into bio-oil by fast pyrolysis. Energy Fuels , Article ASAP doi: 10.1021/ef1010995. However, the biomass is difficult to collect and store, and the energetic density of it is low, which leads to high transportation and store costs.

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Oil Hydrogen Carbon Store 218

Green Car Congress

JULY 17, 2011

A study by a team from the State Key Laboratory of Heavy Oil Processing, China University of Petroleum found that fluid thermal processing of. Direct thermal conversion can be a more feasible process to obtain bitumen-derived liquid products from oil-wet oil sand, they say. Energy & Fuels Article ASAP doi: /10.1021/ef200644.

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Oil-Sands Oil Mongolia Conversion 218

Green Car Congress

SEPTEMBER 25, 2010

Researchers at Colorado State University have found that a microalgae biodiesel process using currently available technologies can show improvement in lifecycle GHG emissions and net energy ratio (NER) compared to soybean-based biodiesel. Article ASAP doi: 10.1021/es102052. Credit: ACS, Click to enlarge.

Energy 239

Energy Conversion Emissions Diesel 239

Green Car Congress

OCTOBER 8, 2013

Now, researchers from the University of Illinois at Urbana-Champaign and UC Berkeley have engineered yeast to convert cellulosic sugars and toxic levels of acetate together into ethanol under anaerobic conditions. Acetic acid is toxic to fermenting microorganisms and negatively influences sugar fermentation and biofuel yields. cerevisiae.

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Engine Illinois Conversion Universal 199

Green Car Congress

JULY 23, 2013

Researchers in South Korea have developed a simple, low-cost and eco-friendly method of creating nitrogen-doped graphene nanoplatelets (NGnPs) with excellent catalytic performance in both dye-sensitized solar cells and fuel cells to replace conventional platinum (Pt)-based catalysts for energy conversion. —Jeon et al. —Jeon et al.

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Solar Fuel Low Cost South Korea 262

Green Car Congress

JANUARY 30, 2014

Researchers at the University of Delaware have developed a highly selective nanoporous silver catalyst capable of electrochemically reducing carbon dioxide to carbon monoxide with 92% efficiency. The carbon monoxide then can be used to produce synthetic fuels and chemicals. The researcher reported their findings in Nature Communications.

CO2 210

CO2 Delaware Lithium Ion Carbon 210

Green Car Congress

JULY 23, 2010

Researchers at Carnegie Mellon University have developed a new catalyst—iron-centered tetraamido macrocyclic ligand (Fe-TAML)—that efficiently catalyzes water oxidation. Article ASAP doi: 10.1021/ja104766. Studies are underway to improve the usefulness of Fe-TAMLs for water splitting. Ellis et al. Resources. Chadwick Ellis, Neal D.

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Water Conversion 2010 Affordable 199

Green Car Congress

APRIL 20, 2011

A team at Stanford University is proposing using solid oxide fuel cells as the basis for a method for electricity production from oil shale with in situ carbon capture (EPICC) as a means to provide transportation services from oil shale with greatly reduced CO 2 emissions. Conversion to work via. Scale of conversion to work.

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Oil Carbon Emissions CO2 220

Green Car Congress

MAY 19, 2014

A new review article in the journal Science highlights emerging opportunities to increase the transformation of lignin to value-added products—i.e., lignin valorization. Ragauskas et al. courtesy of Oak Ridge National Laboratory.] Click to enlarge. —Ragauskas et al. Ragauskas, et al.,

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Production Carbon Fiber Polymer Fuel 225

Green Car Congress

FEBRUARY 15, 2010

To our knowledge, this level of conversion of carbohydrate feedstocks into simple organic molecules is unrivaled in the literature. Because working at higher temperatures afforded no real advantages in terms of carbohydrate to CMF conversion, reactions were generally run below 100 °C to avoid this hydrolysis reaction.

Oil 199

Oil Hybrid Conversion Davis 199

Green Car Congress

DECEMBER 6, 2009

A team from the University of Oxford (UK) and CNRS (France) has developed an optimized system for the photocatalytic production of hydrogen using an hydrogenase and photosensitizer co-attached to a TiO 2 nanoparticle. Article ASAP doi: 10.1021/ja907923r. Source: Reisner et al./ Click to enlarge. —Reisner et al.

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Hydrogen Production France Light 246

Green Car Congress

DECEMBER 29, 2010

Rau; CO 2 Mitigation via Capture and Chemical Conversion in Seawater. Article ASAP doi: 10.1021/es102671x. t, and societal acceptability of this and other approaches to CO 2 emissions reduction and ocean acidity mitigation. —Greg Rau.

CO2 218

CO2 Carbon Convert Mariner 218

Green Car Congress

APRIL 23, 2013

A team from the University of Exeter (UK), with support from Shell Technology Centre Thorton, has modified strains of E. Hydrocarbons produced by cells expressing the synthetic alkane pathway (CEDDEC) or the cyanobacterial alkane pathway (AR and AD from N. punctiforme) without modifications to the fatty acid pool. Howard et al.

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Diesel Engine Production Range 252

Green Car Congress

OCTOBER 26, 2009

A team at China’s Southeast University in Nanjing is developing a process to improve the thermal stability and heating value of bio-oil produced using catalytic fast pyrolysis. Energy Fuels , Article ASAP doi: 10.1021/ef900720m. A paper on their work was published online in the ACS journal Energy & Fuels on 19 October.

Oil 210

Oil 2009 Water Convert 210

Green Car Congress

JUNE 28, 2009

Researchers at Tsinghua University in China have shown that sugarcane juice is a good feedstock for biodiesel production, when used to support the growth of the alga Chlorella protothecoides by heterotrophic fermentation. Conversion ratios of sugar/biomass and sugar/oil using SCH were 15.2 Energy Fuels , Article ASAP.

Juice 236

Juice Oil Conversion Carbon 236

Green Car Congress

AUGUST 18, 2014

Researchers at the University of Alberta are developing , and, via their spin-out AdvEn Solutions working to commercialize, a new high power- and -energy density battery system: lithium-carbon-fluorine (Li-C-F). (b) Ragone plot, comparing Li-CNT-F batteries with other batteries in terms of weight of cathode materials. Click to enlarge.

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Li-ion Carbon Lithium Ion Energy 225

Green Car Congress

NOVEMBER 26, 2009

Researchers at the University of New Mexico found in a study of the catalytic conversion of Camelina Sativa oil to biodiesel through both conventional heating and microwave radiation that the microwave-heating method consumed less than 10% of the energy to achieve the same yield as the conventional heating method. Prafulla D.

Oil 186

Oil Energy New Mexico Mexico 186

Green Car Congress

SEPTEMBER 29, 2010

Researchers at Nanjing University and Anhui Polytechnic University in China have synthesized zinc orthogermanate (Zn 2 GeO 4 ) ultralong nanoribbons which show promising photocatalytic activity toward the reduction of CO 2 into renewable methane (CH 4 ) and water. Article ASAP doi: 10.1021/ja1068596. Credit: ACS, Liu et al.

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Renewable CO2 Water Conversion 186

Green Car Congress

FEBRUARY 27, 2010

Increased availability of low CO 2 sources of electricity and hydrogen could counter-intuitively delay, rather than accelerate, a large-scale transition to an electric and/or hydrogen vehicle fleet, according to a new study by researchers from Ford Motor Company and Chalmers University of Technology in Sweden. Wallington et al. Anderson, S.

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Hydrogen Low CO2 Available Fleet 236

Green Car Congress

JANUARY 19, 2010

Model scope includes all upstream processing of biomass material; conversion to liquid or solid fuel is intentionally excluded. Biofuel conversion processes were excluded from the scope of the analysis. These so-called ‘indirect’ changes are associated with conversion of arable land into production and were not included here.

Water 218

Water Waste Energy Emissions 218

Green Car Congress

JULY 1, 2019

The research, published in the journal Joule , builds on innovations first reported in Science in 2017 by the same research group at the University of California San Diego and the university spinout South 8 Technologies. In contrast, most of conventional electrolytes fail to work below minus 20 ?C. 1721646).

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Gas San Diego Li-ion Batteries 247