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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. Photograph: P-Cat.
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.
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.
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. Adding zinc to this liquid led to the formation of a solid, elastic polymer glass.
Researchers at the Fraunhofer Institute for Chemical Technology ICT are working together with the Karlsruhe Institute of Technology KIT to develop a new cooling concept that will enable polymers to be used as EV electric motor housing materials, thereby reducing the weight of the motor and thus, the EV itself.
Researchers in Israel have designed a separate-cell photoelectrochemical (PEC) water-splitting system with decoupled hydrogen and oxygen cells for centralized hydrogen production. A paper describing their system is publishedin the journal Joule. The hydrogen cell contains the cathode, and it is physically separated from the oxygen cell.
As water-splitting technologies improve, often using porous electrode materials to provide greater surface areas for electrochemical reactions, their efficiency is often limited by the formation of bubbles that can block or clog the reactive surfaces. As a result, there were substantial changes of the transport overpotential. 2021.02.015.
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.
Nouryon has begun the first deliveries of AkuPure, a carboxymethyl cellulose (CMC) polymer targeted specifically at lithium-ion batteries, a market that is growing quickly due to increased demand for electric vehicles. CMC is a sustainable, bio-based water-soluble polymer used as a thickener, binder, stabilizer and film former.
Dunn of the Singapore University of Technology and Design incorporated shape memory polymer fibers into the composite materials used in conventional 3D printing (additive manufacturing), which results in the production of an object fixed in one shape that can later be changed to take on a new shape.
Evonik has developed a new polymer powder for applications in higher temperature range as part of its polyamide 6 series. Moreover, the powder material stands out for its low water absorption—below 3%—which has a positive effect on processability in 3D printing and the dimensional stability of printed 3D components.
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. student in the Woodruff School, are the paper’s co-first authors. —Baratunde Cola.
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. Illustration by Jia Liang.
.) – 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).
MIRUM is made with natural, biodegradable polymers. Synthetic polyurethane-based leathers require around 5 kg carbon dioxide equivalent per kg of synthetic polymer produced. MIRUM requires no tanning and is made from natural polymers and materials (e.g., waste’ cork powder).
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.
Evonik has developed a new polymer powder for applications in higher temperature range as part of its polyamide 6 series. Moreover, the powder material stands out for its low water absorption—below 3%—which has a positive effect on processability in 3D printing and the dimensional stability of printed 3D components.
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.
Polymer-based membranes developed at KAUST could enable greener and cheaper industrial separation approaches. Polymer membranes are cheaper and easier to manufacture and adapt to large-scale processes than inorganic membranes. A paper on the work is published in Science.
UC Riverside (UCR) engineers have developed a way to recycle PET (polyethylene terephthalate) plastic waste, such as soda or water bottles, into a nanomaterial useful for energy storage. Then, using an electrospinning process, they fabricated microscopic fibers from the polymer and carbonized the plastic threads in a furnace.
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.
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.
They used natural sunlight to convert water into hydrogen and oxygen using a mixture of biological components and manmade technologies. A new paper, published in Nature Energy , outlines how the researchers at the Reisner Laboratory in Cambridge developed their platform to achieve unassisted solar-driven water-splitting. Katarzyna P.
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 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.
HT-PEM fuel cell technology would allow heavy-duty and other hard-to-decarbonize applications to operate with high efficiency while using hydrogen and mitigating water management problems. The ability to use any hydrogen-carrying fuel, in addition to pure hydrogen, is a major breakthrough in reducing the required infrastructure investments.
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.
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. liter Duratec engine.
To overcome this mechanism, they introduced amphiphilic polymers to modify the carbon surface. In light of this new understanding, we modified the interface between the carbon and sulfur with amphiphilic polymers and showed a much-improved cycling performance of the modified electrode. —Zheng et al.
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 material is a hydrogel, a polymer network that naturally retains a lot of water.
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.
As part of the company’s effort to increase efficiency and to reduce vehicle emissions, Hyundai equipped the all-new bus with a 384 kWh water-cooled high-efficiency polymer battery, with a maximum 300 km (186 miles) driving range on a single charge. A full charge can be completed in 72 minutes.
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. —Milczarek and Inganäs. 1215159.
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.
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). The synthetic fuel is produced at the power-to-gas plant in Werlte from water and carbon dioxide using electricity generated by wind power.
Alkaline fuel cells (AFCs) were one of the first fuel cell technologies developed, and were used in the US space program to produce electrical energy and water on-board spacecraft. In recent years, novel AFCs that use a polymer membrane as the electrolyte have been developed. Hydrogen generated from water electrolysis.
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.
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. Contract value: £7.48 million (US$9.7
Advent’s high-temperature membrane is based on pyridine-type structures incorporated around a stable polymer backbone. Both materials use phosphoric acid as the electrolyte, do not need water for conductivity, and are based on polymers with excellent thermal and oxidative stability.
GW of Silyzer 300 polymer electrolyte membrane (PEM) electrolyzers that will use renewable energy to separate hydrogen from water, resulting in approximately 300,000 tonnes of hydrogen per year. HIF and Siemens Energy are engaged in front end engineering and design for 1.8
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.
Polypropylene is a major polymer used in key applications, including medical devices like syringes and IV bags, automotive, furniture, textiles, and other durable products. This approach is highly scalable and could ultimately produce ethanol at an industrial scale, while simultaneously eliminating CO 2 emissions.
The Energy Department (DOE) recently announced $10 million, subject to appropriations, to support the launch of the HydroGEN Advanced Water Splitting Materials Consortium ( HydroGEN ). Earlier post.) Establishing robust online data portals that capture and share the results of non-proprietary research.
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