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Fraunhofer researchers develop carbon nanotube thin film heater for EVs

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The heating concept is based on a film that is coated with a very thin layer of conductive carbon nanotubes (CNTs). Fraunhofer IPA.

2015 30

Hanyang/BMW team develops high-energy density Li-ion battery with carbon-nanotube-Si composite anode and NCM concentration gradient cathode

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Comparison of the CNT-Si/TSFCG against the currently developed LIBs. g cm -3 ; a two-sloped full concentration gradient (TSFCG) Li[Ni 0.85

2016 35

New inventory of black carbon emissions from China finds 2007 levels higher than previously reported

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A new black carbon (BC) emissions inventory from China found BC emissions levels in 2007 of 1,957 Gg BC—higher than reported in earlier studies.

2007 20

EPA report to Congress finds a strong scientific and technical foundation for mitigating black carbon emissions

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—Report to Congress on Black Carbon. Report to Congress on Black Carbon. Black carbon Climate Change Emissions Policy

Ghana 12

Study: even with high LDV electrification, low-carbon biofuels will be necessary to meet 80% GHG reduction target; “daunting” policy implications

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They also examined the impact of substituting low-carbon advanced cellulosic biofuels in place of petroleum. —Meier et al. Third, U.S.

Up close and personal with Volkswagen’s e-Golf carbon offset project: Garcia River Forest

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The carbon offset program is a key element of Volkswagen’s holistic approach to e-Mobility. Carbon offsets. Click to enlarge. Resources.

Argonne team finds copper cluster catalyst effective for low-pressure conversion of CO2 to methanol with high activity

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These catalysts work by binding to carbon dioxide molecules, orienting them in a way that is ideal for chemical reactions. Click to enlarge.

2015 17

Ford Europe leading project investigating DME and OME1 as low carbon, near zero particulate fuels; power-to-liquids pathways using CO2

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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. Resources.

U-Mich researcher’s first-principles analysis challenges conventional carbon accounting for biofuels; implications for climate policy

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System boundaries (red line) schematic for liquid fuel carbon balance. Biofuel carbon. Carbon captured from energy system. John M.

California ARB biofuel carbon intensity data for LCFS highlights diversity of ethanol pathways

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g CO 2 e/MJ highlighted in red for comparison. Current reported CI for ethanol plants. Gasoline baseline of 95.86 Data: California ARB.

New modeling study finds thawing permafrost could release vast amounts of carbon and accelerate climate change by the end of this century

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The permafrost simulation on the right included processes that depict how carbon accumulates in soil and how it decomposes. Click to enlarge.

Stanford researchers develop copper-based catalyst that produces ethanol from CO at room temperature; potential for closed-loop CO2-to-fuel process

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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 challenge was to find a cathode that would reduce carbon monoxide to ethanol instead of reducing water to hydrogen.

Researchers find that the global carbon pool in seagrass beds is as much as 19.9B metric tons

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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. Pg carbon.

DOE awards ~$25M to 8 projects for CO2 capture and compression; $15M for novel Direct Fuel Cell system

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The project will install and operate a two-megawatt Direct FuelCell (DFC) system configured for carbon capture in addition to power generation.

Study concludes permanent loss of peatlands in open-pit oil sands mining adds significantly to carbon burden of oil sands production

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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. Converting from units of carbon to CO 2 equivalents, this is between 41.8

Geely invests in Carbon Recycling Intl.; vehicles fueled by methanol from CO2, water and renewable energy

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million in Carbon Recycling International (CRI). Geely’s CRI investment and work with renewable methanol is similar to the approach Audi is taking with its own e-fuels projects—producing very low carbon liquid or gaseous fuels using only renewable energy, water and CO 2. I’m excited to be working with them. Earlier post.). Ge, Y.,

Stanford team develops new approach to overcoming capacity fading in Lithium-sulfur batteries

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Electrochemical performance of the modified hollow carbon nanofiber cathode. (a) Credit: ACS, Zheng et al. Click to enlarge. earlier post ).

PNNL study outlines requirements for grid storage, reviews four electrochemical energy storage systems: vanadium redox flow, Na-beta, Li-ion and lead-carbon

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Lead-carbon battery. Classification of potential electrical storage for stationary applications. Credit: ACS, Yang et al. Click to enlarge.

Single Pt atom catalysts show enhanced catalytic activity for water-splitting; potential to drive down electrolysis cost

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Platinum-based catalysts are generally considered to be the most effective electrocatalysts for the HER. —Cheng et al. Cheng et al. —Dr.

2016 46

Toyota delivers fuel cell bus to Tokyo Metropolitan Government; more than 100 planned by 2020 Olympics

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This FC bus will be put into operation as a Toei route bus in March along with a second bus that is scheduled for delivery in the same month. Vehicle.

2017 26

Stanford team develops new ultrahigh surface area 3D porous graphitic carbon material for improved energy storage

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The maximum surface area achieved with conventional activated carbon is about 3,000 m 2 g –1. cm –3 ), and hierarchical pore architecture.

Lawrence Livermore team shows carbon nanotube porins are fastest known proton conductors; potential application for PEM fuel cells

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Carbon nanotubes are the fastest known proton conductor. By comparison, the diameter of a human hair is 20,000 nanometers. nm (c).

U Chicago, MIT study suggests ongoing use of fossil fuels absent new carbon taxes

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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. We need both a policy like a carbon tax and to put more R&D money into renewables.

MIT 1

Study recommends $10B/year US federal investment in energy RD&D and a substantial price on carbon emissions; leveraging the national labs and encouraging the private sector for a clean energy future

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Our economic modeling suggests that an investment of a few extra billion per year today could develop technologies that could save the economy hundreds of billions of dollars per year by 2050 in scenarios where there are stringent policies limiting how much carbon can be emitted. billion, a 92% increase over the FY 2009 appropriations.

Researchers improve the performance of sodium-ion batteries by using tailored carbon anodes with hierarchical porosity

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prepared a carbon material with interconnected pores in two size ranges. Performance of the new anodes. Wenzel et al. Click to enlarge. Brief

Field study finds soot particles absorb significantly less sunlight than predicted by models; climate models may be overestimating warming by BC

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Atmospheric black carbon (BC) warms Earth’s climate, and its reduction has been targeted for near-term climate change mitigation. Resources.

Vertically aligned sulfur-graphene nanowall cathodes for Li-sulfur batteries deliver high capacity and rate performance

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1 in comparison with S-G-2. (d) carbon hybrids and demonstrated the improved electrochemical performances. A g –1 ). and 3.0 mV s ?1.

nanoFLOWCELL to present new QUANT F flow cell EV at Geneva

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Earlier post.). Side view of the new QUANT F. Click to enlarge. We can use all the cavities in the vehicle to transport the ionic fluid.

2015 47

CMU study suggests difficulties in reaching targeted low price points for Li-ion batteries

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However, none of these changes are sufficient to reach the DOE energy storage target of $125 kWh by 2020 , the study found. Ciez and Whitacre.

Phosphorous-enriched Carbons Increase Performance and Energy Density of Supercapacitors

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Energy density of the P-carbon supercapacitors compared to commercial carbon (Norit). Credit: ACS. Click to enlarge. earlier post ).

Toray and Gordon Murray unveil carbon-fiber T-Wave AR1 Concept EV Sports Car

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For comparison, the curb weight of the Tesla Roadster is 1,235 kg (2,723 lbs)—46% more than the T-Wave AR1. Integrity Exports. T-Wave AR1.

SAE REX: PHEVs and REEVs could open door for advanced combustion regime engines

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You’re going to need to have very scalable low-carbon fuels if you are going to have PHEVs be a path for deep decarbonization. High efficiency engines with low-carbon fuels clearly is a major, major pathway. You now have a low-carbon fuel that can be operated in engines that are operating in a much more narrow band. and 10.3%

2016 35

New FOX method estimates black carbon emissions from civil aviation ~2.7 times higher than standard estimates

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Barrett (2013) Global Civil Aviation Black Carbon Emissions. Credit: ACS, Stettler et al. Click to enlarge. These are a factor of ?2.7 4 to ?1

Nitrogen?doped coral-like carbon fiber arrays shown to be highly efficient air electrodes for high-performance Li-air batteries

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c) The sketch of Li 2 O 2 grown on a coral-like carbon fiber. a) SEM image of a VA-NCCF array grown on a piece of Si wafer. (b) to 0.7

Study shows viability of RCCI in a two-stroke engine; higher efficiency than direct-injection spark ignition

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For their study, the ERC team modified a two-stroke outboard engine to accommodate two direct fuel injectors for RCCI combustion in one cylinder, while the production direct-injection spark ignition combustion system was maintained in the other cylinder for comparison of performances at equivalent operating conditions. Earlier post.) and 25.7%

Study finds some improved cookstoves may emit more black carbon pollution than traditional mud cookstoves

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Comparison of BC concentrations for hardwood and mixed fuel tests in (left) the breathing zone, and (right) the plume zone. Click to enlarge.

Toyota pops the hood on the technology of the fuel cell Mirai at SAE World Congress

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Comparison of conventional and new lamination methods. For the FCHV-adv, Toyota had used aerospace grade carbon fiber. Konno et al.

2015 63

Improving the Charge-Discharge Capacity and Cycleability of Carbon Electrodes for Li-ion Batteries

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GMP40 (60:40 weight ratio of mixed mesophase pitch carbon and phenolic resin) produced the best results. Credit: ACS, Lin et al. Lin et al.

Berkeley Lab researchers devise ant-nest-like structure for promising Li-S electrodes

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The comparison of rate performance (b) and cycling performance (c) between CNT-S and CNT-nest-S cell, with a sulfur loading of 1.78 mg·cm −2.

2016 38

Cabot launches first graphene-based additive to improve energy density of lithium-ion batteries

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Its unique shape and structure provide different application opportunities from standard carbon additives. Specifically, graphene’s unique properties help to balance the overall electronic and ionic conductivity of lithium-ion battery cells that could not be achieved with other carbon additives, the company said. Cabot Corp.