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Their epidermal electronics embed state-of-the-art silicon chips, sensors, light-emitting diodes, antennas, and transducers into thin epidermal patches, which are designed to monitor a variety of health factors. Graphene is a wondrous material composed of a single layer of carbon atoms.
Using a novel polymerization process, MIT chemical engineers have created a new two-dimensional polymer that self-assembles into sheets, unlike all other polymers which form one-dimensional chains. Until now, scientists had believed it was impossible to induce polymers to form 2D sheets. —Michael Strano.
The new system mimics a natural chloroplast to convert carbon dioxide in water into methane, very efficiently using light. Photosynthesis is the process by which chloroplasts in plants and some organisms use sunlight, water and carbon dioxide to create food or energy.
The companies are joining efforts to implement the carbon-negative UBQ thermoplastic ( earlier post ) into auto parts manufactured by Motherson Group for the automotive industry. UBQ GHG Neutralizer additives enable processors to directly compensate cO 2 -equivalent emissions (GHG) generated by plastic polymers. UBQ Industrial Grade.
In cooperation with project partners from BASF, Munich Technical University, and the University of Hamburg, scientists at Siemens’ global research unit Corporate Technology developed an alternative for the standard polystyrene-based acrylonitrite-butadiene-styrene (ABS) polymer, which is frequently used for consumer products.
A team from the University of Calgary and Rice University has used flash joule heating (FJH) ( earlier post ) to convert low-value asphaltenes—a by-product of crude oil refining—into a high-value carbon allotrope, asphaltene-derived flash graphene (AFG). Flash graphene from asphaltenes. (A) —Saadi et al.
Using a novel computational chemistry hybrid approach, scientists from IBM Research have successfully discovered a new class of polymer materials—the first new class of polymers discovered in more than 20 years—that could potentially transform manufacturing and fabrication in the fields of transportation, aerospace, and microelectronics.
A team led by Dinglin Jiang at the National Institutes of Natural Sciences in Okazaki (Japan) reports in the journal Angewandte Chemie on the synthesis of co-operative porous frameworks based on aza-fused π(pi)-conjugated microporous polymers (CMPs) for use in supercapacitors. Such materials are thus conducting. kW kg -1 respectively.
PCC 6803 cells holding ethylene forming enzyme (Efe) from Pseudomonas syringae are entrapped within a natural polymer matrix, thus forming the thin-layer biocatalytic structure. The team optimized the production system by varying different parameters, such as radiance, inorganic carbon level, and periodicity of medium renewal.
At left, a traditional approach combines Si (blue spheres) with a polymer binder (light brown) plus carbon (dark brown spheres). Repeated swelling and shrinking eventually breaks contacts among the conducting carbon particles. Composite anodes based on this polymer and commercial Si particles exhibit 2,100 mAh g ?1
Solvay is taking a “leadership role” in the development of the Polimotor 2 all-plastic automotive engine to be tested in a race car next year, demonstrating the company’s advanced specialty polymer technologies in light-weighting through metal replacement. The original Polimotor was developed by Matti Holtzberg in the 1980s.
Analysis by the company has identified both near-term and medium-term solutions for the manufacture of items such as transmission casings using advanced composite materials, but favors modern hybrid materials such as metal and polymer matrix composites (MMCs and PMCs) over conventional carbon composite solutions. —Westall, 2014.
Electrochemical performance of the modified hollow carbon nanofiber cathode. (a) The new capacity fading mechanism relates to the detachment of lithium sulfide from the carbon surface during the discharge process. To overcome this mechanism, they introduced amphiphilic polymers to modify the carbon surface.
EnerG2 , a manufacturer of advanced carbon materials for next-generation energy storage (generally for batteries and ultracapacitors), has leveraged its polymer chemistry technologies to develop materials for adsorbed natural gas (ANG) applications. million operating worldwide, according to Natural Gas Vehicles for America.
The ultra high-strength outer shell comprises two layers: an inner layer of carbon fiber-reinforced polymer (CFRP) and an outer layer of glass fiber-reinforced polymer (GFRP). Due to the fuel’s high hydrogen content, a CNG automobile emits approximately 20% less carbon dioxide than a comparable gasoline model.
million) in grants to 16 collaborative research and development projects that focus on achieving significant cuts in CO 2 emissions for vehicle-centric technologies in low carbon vehicles. Projects were selected through the “Highly innovative strategic technologies in low carbon vehicles” competition for collaborative R&D funding.
With this application in mind, we created spirocyclic polymers with N-aryl bonds that demonstrated noninterconnected microporosity in the absence of ladder linkages. The resulting glassy polymer membranes demonstrated nonthermal membrane fractionation of light crude oil through a combination of class- and size-based “sorting” of molecules.
Fossil fuels are responsible for the annual release of nearly nine billion metric tons of excess carbon into the atmosphere. The researchers used an ultrahigh-precision visible light microscopy technique called PALM (Photo-Activated Localization Microscopy) to study the interplay of enzyme activity and substrate heterogeneity.
Writing in the journal Advanced Materials , a team of materials scientists and physicists from the University of Manchester (UK) say graphene has the potential to replace carbon fibers in high performance materials that are used to build aircraft or fuel-efficient vehicles. Graphene—the discovery of which is attributed to physicists Prof.
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. CdS is an inexpensive, visible-light-absorbing photocatalyst with a bulk electronic bandgap of around 2.4
Methane, the key component in natural gas, is usually just burned for heat, combining with oxygen in the atmosphere to form carbon dioxide, the predominant greenhouse gas. Oxidation of methane also introduces impurities in the product stream. To avoid these undesirable outcomes, methane must be broken down without oxygen.
A team at Chalmers University (Sweden) has tested blends of OME 3-5 , HVO and RME in a light- and heavy-duty CI engine. Performance and emissions were compared to the reference fuels fossil diesel and HVO in a single-cylinder light duty and heavy duty compression ignition engine at different loads. Preuß et al. 2021.121275.
LeMond Composites, founded by three-time Tour de France champion Greg LeMond, has licensed a low-cost, high-volume carbon fiber manufacturing process developed at the US Department of Energy’s Oak Ridge National Laboratory (ORNL). Earlier post.)
Nippon Carbon Company, Ltd., It is used as reinforcement for polymer and ceramic matrix composites. Nippon Carbon Company will have a 50% share in the new joint venture and GE and Safran with a 25% share each. —Shigeo Tajima, president of Nippon Carbon Co.,
The theme of Auto Shanghai 2011, “Innovation for Tomorrow”, reflects that low-carbon, green economy and sustainable development will become trends of the Chinese automotive industry. PLEXIMID TT70 gives headlamp lens and light guide manufacturers a material that can cope with the high heat loads and permits dynamic styling at the same time.
Renewable chemicals company Avantium has acquired the assets of Liquid Light. Liquid Light has developed proprietary process technology to make major chemicals from low-cost, globally-abundant carbon dioxide. The integration of the Liquid Light assets into Avantium is complete and effective immediately.
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. —Li Shufu, Chairman of Geely Group. Earlier post.).
Department of Energy (DOE) grant to continue their research in developing low-cost, high-strength carbon fiber. The center’s Carbon Materials Technologies Group received the award for a project titled “Precursor Processing Development for Low Cost, High Strength Carbon Fiber for Composite Overwrapped Pressure Vessel Applications.”
has been awarded a purchase contract from Daimler AG for ultra-light weight hydrogen storage tanks. Under this contract, Quantum will develop 10,000 psi (70 MPa) high capacity carbon fiber composite hydrogen tanks that are designed specifically for potential use in future Mercedes-Benz fuel-cell electric vehicles.
The Precourt Institute for Energy, the umbrella organization for energy research and education at Stanford, will fund the following four studies: Nanostructured Polymers for High-Performance Batteries. This project explores the use of specially designed nanostructured polymers to make high-energy, low-cost, flexible and stretchable batteries.
If successful, this could allow storage of renewable electricity through electrochemical or enzymatic fixation of carbon dioxide and subsequent storage as carbon-based energy storage molecules including hydrocarbons and non-volatile polymers at high efficiency.
The following Stanford faculty members received funding for advanced research on photovoltaics, battery technologies and new catalysts for sustainable fuels: Self-healing polymers for high energy density lithium-ion batteries. Light trapping in high?efficiency, Batteries Carbon Capture and Conversion (CCC) Fuels Solar'
Audi has unveiled a new electric urban concept—a 1+1-seat, ultra-light car for congested urban spaces. The cockpit consists of carbon fiber-reinforced polymer, which integrates the undercarriage of both seats. Two e-tron electric motors provide the propulsion and a lithium-ion battery supplies the energy. Click to enlarge.
The carbon nanotube sponge is hydrophobic, but can absorb up to 180x its own weight in organic matter. Researchers at Peking University and Tsinghua University have developed a carbon nanotube (CNT)-based sponge that can soak up organic pollutants—such as oils and solvents—from the surface of water. Wu (2009) Carbon Nanotube Sponges.
LEDs are used for powerful lighting: the front light is integrated into the handlebar, the rear light into the seat. The frame and the swinging arm that holds the back wheel are made of carbon fiber-reinforced polymer (CFRP). in) of travel. The frame features a low center of gravity and a compact overall volume.
Organic materials for batteries have received much attention because of their beneficial properties such as light weight, flexibility and availability from easily accessible natural sources. To prepare the cathodes, they mixed polymer-bound PYT (PPYT) with acetylene black and poly(vinylidene fluoride (PVDF) as a binder.
The findings could spur progress on developing a variety of materials and designs for electrochemical carbon dioxide conversion systems. Depending on the material choice for the electrocatalysis, a certain variety of products is expected from the carbon dioxide reduction reaction (CO 2 RR). Credits: Image: Courtesy of the Varanasi Lab.
Perovskites are crystals with cubelike lattices that are known to harvest light. The most efficient perovskite solar cells produced so far achieve an efficiency above 25%, but the materials are expensive and tend to be stressed by light, humidity and heat. That lowers the entry barrier for commercial adoption. —Jia Liang.
The new polymer binder allows a doubling in capacity compared to a conventional lithium-sulfur battery, even after more than 100 charge cycles at high current densities. Without this information, rational design principles for polymer binders remain obscure. Click to enlarge. —Li et al. The new binder goes a step further.
The zeolite catalyst then converts these hydrogenated products into light olefins and aromatic hydrocarbons in a yield as much as three times higher than that produced with the pure pyrolysis oil. The C 6 to C 8 aromatic hydrocarbons can be high-octane gasoline additives or feedstocks for the chemical and polymer industries.
This material, a p-type (100) gallium phosphide (GaP) semiconductor functionalized with molecular hydrogen-producing cobaloxime catalysts via polymer grafting, has the potential to address one of the major challenges in the use of artificial photosynthesis to make renewable solar fuels. Earlier post.) Under simulated air mass 1.5
VTT Technical Research Centre of Finland and Lappeenranta University of Technology (LUT) are beginning testing of the Soletair demo plant, which uses air-captured carbon dioxide to produce renewable fuels and chemicals. Hydrogen is used with recycled carbon dioxide to produce renewable fuels, raw materials, and chemicals.
Federal-Mogul Corporation has developed a new coated diesel piston that reduces frictional losses in both light and heavy-duty engine applications. EcoTough Diesel uses solid lubricants, including graphite, and a carbon-fibre-reinforced polymer base to provide lower friction, higher scuff resistance and improved wear resistance.
Initial compounding, molding and testing of carbon-fiber reinforced EcoPaXX was successful in establishing benchmark composites for high-temperature (up to 200 °C) and structural applications. These composites are well-suited to weight optimization efforts in the automotive industry for fuel savings and lowered emissions.
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