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Researchers at Uppsala University have developed photocatalytic composite polymer nanoparticles (“polymer dots”) that show promising performance and stability for the production of hydrogen from water and sunlight. These polymer dots are designed to be both environmentally friendly and cost-effective. 0c12654.
Scientists at Kyoto University’s Institute for Integrated Cell-Material Sciences (iCeMS) have developed a new coordination polymer glass membrane for hydrogen fuel cells that works just as well as its liquid counterparts with added strength and flexibility. Credit: Mindy Takamiya/Kyoto University iCeMS. —Ogawa et al.
Researchers, led by a team from the University of Pennsylvania, have used a polymer-folding mechanism to develop a new and versatile kind of solid polymer electrolyte (SPE) that currently offers proton conductivity faster than Nafion by a factor of 2, the benchmark for fuel cell membranes.
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.
Researchers at the University of Oregon have advanced the effectiveness of the catalytic water dissociation reaction in bipolar membranes. The technology behind bipolar membranes, which are layered ion-exchange polymers sandwiching a water dissociation catalyst layer, emerged in the 1950s. —Oener et al.
Researchers at the University of Colorado Boulder and Singapore University of Technology and Design have added a “fourth dimension” to additive manufacturing technology, opening up possibilities for the creation and use of adaptive, composite materials in manufacturing, packaging and biomedical applications. A team led by H.
Researchers at Case Western University have developed catalysts made of carbon nanotubes dipped in a polymer solution that equal the energy output and otherwise outperform platinum catalysts in fuel cells. Credit: ACS, Wang et al. Click to enlarge. A paper on their work is published in the Journal of the American Chemical Society.
Rice University researchers have created an efficient, low-cost device that splits water to produce hydrogen fuel. The current flows to the catalysts that turn water into hydrogen and oxygen, with a sunlight-to-hydrogen efficiency as high as 6.7%. It utilizes water and sunlight to get chemical fuels. —Jun Lou.
.) – Developing ion-exchange membranes (IEM) and polymers used for electrochemical applications in order to reduce the use of cost-prohibitive and toxic materials. Applications include green hydrogen production, hydrogen fuel cells and carbon capture and utilization (CCU).
(a) Chemical structure of the PEDT:PSSH polymer blend. (b) A team from the National University of Singapore's Nanoscience and Nanotechnology Initiative (NUSNNI), led by principle investigator Dr. Xian Ning Xie, has developed a polystyrene membrane-based supercapacitor that they say will be easier to scale up than the current alternatives.
A team led by researchers from Georgia Tech have used an electropolymerization process to produce aligned arrays of polymer nanofibers that function as a thermal interface material able to conduct heat 20 times better than the original polymer. Virendra Singh, a research scientist in the George W. —Baratunde Cola.
Fast Startup Time: Develop extremely stable fuel-cells that can start under nearly water-saturated conditions. Various industry sources have stated that radiators for Class 8 Trucks running with low-temperature polymer electrolyte membrane (LT-PEM) technology are an enormous challenge.
The US Department of Energy (DOE) announced that the use of an alkaline surfactant polymer (ASP) flooding technique has successfully improved oil recovery at a 106-year old Illinois field by more than 300%. Polymer is added to protect the chemical slug from early dissipation by the driving water phase. water production.
A joint research team from City University of Hong Kong (CityU) and collaborators have developed a stable artificial photocatalytic system that is more efficient than natural photosynthesis. The new system mimics a natural chloroplast to convert carbon dioxide in water into methane, very efficiently using light.
volts (V) of water-splitting voltage with its novel low-cost electrolysis technology. The theoretical minimum voltage needed to split water molecules into hydrogen and oxygen is 1.23 Nanosystem for water electrolysis. HyperSolar, Inc. announced that it had reached 1.25 V (at 25 °C at pH 0). Click to enlarge.
a low cost, raw materials that do not raise concerns in terms of supply bottlenecks (electrodes that do not include PGMs, stainless steel current collectors), a compact design, the adoption of feeds based on non-corrosive liquids (low concentration alkali or DI water), and differential pressure operation.
A team of researchers from North Carolina State University, SINTEF in Norway and the Norwegian University of Science and Technology, has developed a polymer membrane technology that removes carbon dioxide from mixed gases with both high permeability and high selectivity. A paper on their work is published in the journal Science.
A new study, led by academics at St John’s College, University of Cambridge, has used semi-artificial photosynthesis to explore new ways to produce and store solar energy. They used natural sunlight to convert water into hydrogen and oxygen using a mixture of biological components and manmade technologies. Katarzyna P.
The project concerns the production of hydrogen at scale from offshore floating wind in deep water locations. The concept consists of a large-scale floating wind turbine (nominally 10 MW) with an integrated water treatment unit and electrolyzers for localized hydrogen production. Led by Cranfield University. Contract value: £7.48
Grzegorz Milczarek from Poznan University of Technology (Poland), and Olle Inganäs from Linköping University (Sweden), have combined lignin derivatives, which are electronic insulators, with polypyrole, a conductive polymer, into an interpenetrating composite suitable for use as a battery cathode. 1 (inner to outer). 1215159.
Advanced Manufacturing Processes for Gigawatt-Scale Proton Exchange Membrane Water Electrolyzer Oxygen Evolution Reaction Catalysts and Electrodes. University of Kentucky. University of Virginia. Antioxidant Functionalized Polymers for Extended HD Polymer Electrolyte Membrane Lifetimes. Project title. 3M Company.
The clean technology company Danish Power Systems (DPS), with partners at the Technical University of Denmark (DTU) and the University of Chemistry and Technology in Prague, Czech Republic, reports the best operating stability for high-temperature polymer fuel cells (HTPEMFC) yet. μV h −1 for a reference membrane.
The National Science Foundation (NSF) has made 11 awards totaling $55 million aimed at building research capacity to develop new innovations at the intersection of food, energy and water systems and to address fundamental questions about the brain. Research at the nexus of food, energy and water. Montana State University.
A team at Stanford University lef by Profesor Yi Cui has now identified a new capacity fading mechanism of the sulfur cathodes and developed a new approach to overcoming this mechanism. To overcome this mechanism, they introduced amphiphilic polymers to modify the carbon surface. earlier post ). —Zheng et al.
Researchers led by a team from Griffith University in Australia have developed a multifunctional polymer binder that not only maintains the outstanding binding capabilities of sodium alginate but also enhances the mechanical integrity and lithium-ion diffusion coefficient in a LiFePO 4 (LFP) electrode during the operation of the batteries.
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.
Using a new kind of hydrogel material, researchers at the University of Texas at Austin have pulled water out of thin air at temperatures low enough to be achieved with sunlight. Atmospheric water harvesting draws water from humidity in the air. The UT Austin technique is aimed at the latter.
million) investment as part of its Polymer Fuel Cell Challenge. In the regenerator, the “catholyte” comes into contact with air and the electron, proton and oxygen from air react to form water, which exits the regenerator as vapor. However unlike conventional technology, the. The catholyte then flows back to the cell.
Currently the most popular system used for water electrolysis for hydrogen production relies on precious metals as catalysts. The research team worked to solve this problem by splitting water under alkaline, or basic, conditions with an anion exchange membrane electrolyzer. V without a corrosive circulating alkaline solution.
Example of a lithium-water rechargeable battery. Researchers at the University of Texas, including Dr. John Goodenough, are proposing a strategy for high-capacity next-generation alkali (lithium or sodium)-ion batteries using water-soluble redox couples as the cathode. In theory, the decomposition potential of water is 4.27
Example of micro fibers produced with 20 wt % AB (ammonia borane) in water as core solution, showing smooth (nonporous) and cylindrical (noncollapsed) fibers; from a 2010 paper by the scientific team. It also protects the hydrides from oxygen and water, making it possible to handle it in air. Credit: ACS, Kurban et al.
Engineers from the University of Houston and the University of Texas report that waterflooding with a surfactant—thereby altering the wettability of oil reservoir rocks—can increase oil recovery from 62 to 85%. in contact with an oil phase rather than a water or gas phase. Oil-wet rocks preferentially imbibe oil.
Scientists from ExxonMobil, University of California, Berkeley and Lawrence Berkeley National Laboratory have developed a new material that could capture more than 90% of CO 2 emitted from industrial sources using low-temperature steam, requiring less energy for the overall carbon capture process. UC Berkeley graphic by Eugene Kim).
Researchers at Carnegie Mellon University have discovered how nanoscale polymer films limit future cost reductions in fuel cell electric vehicles. Researchers agree that polymer electrolyte films that are only tens of nanometers thick are in some way responsible. The results were reported in a paper in the ACS journal Langmuir.
Researchers at Switzerland’s Empa—an interdisciplinary research and services institution for material sciences and technology development within the ETH Domain —have developed a manufacturing process for nano-cellulose powder for use as a raw material for creating polymer composites. It is also biodegradable.
Schematic illustration of 3D porous SiNP/conductive polymer hydrogel composite electrodes. Each SiNP is encapsulated in a conductive polymer surface. A team at Stanford University has developed stable silicon Li-ion battery anodes by incorporating a conducting polymer hydrogel into the Si-based material. —Wu et al.
a developer of low-cost, high-performance polymers for electrochemical applications, announced its selection by the US Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E) for an award that will support the continued development of its alkaline exchange ionomers and membranes. 3) Perfluorinated polymers (i.e.,
Fermentation requires no organic solvent, and the water used is recycled. Greener reaction conditions: Kraton Performance Polymers, LLC, Houston, Texas. Kraton has developed a family of halogen-free, high-flow, polymer membranes made using less solvent. The biggest benefits are during use.
The lead inventors of the technology are UCSB professor Dr. Alan Heeger, the recipient of a Nobel Prize in 2000 for the discovery and development of conductive polymers, and Dr. David Vonlanthen, a project scientist and expert in energy storage at UCSB. Startup BioSolar, Inc. Startup BioSolar, Inc. Both are scientific advisors to BioSolar.
In the academic category, Professor Richard Wool, University of Delaware, Newark, Del. Dow’s EVOQUE technology uses a polymer coating which, when applied to TiO 2 , improves dispersion of the pigment, decreasing the amount of the chemical needed and allowing it to work better. The Dow Chemical Company for improving TiO 2 -based paints.
The new Institute for Advanced Composites Manufacturing Innovation (IACMI), announced today by President Obama, will focus on advanced fiber-reinforced polymer composites that combine strong fibers with tough plastics to yield materials that are lighter and stronger than steel. Adherent Technologies, Inc.; Honda R&D Americas, Inc.;
Researchers at Jilin University in China have developed a new class of self-assembled crystalline porous organic salts (CPOSs) featuring high proton conductivity for applications such as proton-exchange membranes for fuel cells. The pores in the salts form one-dimensional channels and can hold water. —Xing et al.
Cooper Tire & Rubber Company, working as the lead agency in the grant, announced that its scientists have reached a key milestone toward the goal of producing, by mid-2017, a concept tire in which all of the natural and synthetic rubber is replaced by guayule-based polymers. Earlier post.). The results are highly promising.
By making use of a previously undesired side effect in oil recovery, researchers at Tokyo University of Agriculture and Technology (TUAT) have developed a method that yields up to 20% more heavy oil than traditional methods. To yield more oil, water may be injected into the reservoir to maintain pressure in order to keep the flow moving.
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