MIT engineers create 2D polymer that self-assembles into sheets

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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.

New class of coordination polymers for high-performance Li-, Na- and K-ion storage

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Researchers at the Université catholique de Louvain in Belgium have designed and synthesized a new class of electrically conducting anionic coordination polymers for all practically relevant alkali-cation storage.


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New solid polymer electrolyte outperforms Nafion; novel polymer folding

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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. Most of these new polymers have amorphous, poorly controlled morphologies like Nafion, and are typically not on par with Nafion’s performance.

Uppsala team develops composite polymer dots for efficient, stable H2 production from water and sunlight

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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.

Researchers use self-healing composite polymer binder to boost performance of silicon anodes

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Researchers at the Japan Advanced Institute of Science and Technology have improved the performance of silicon anodes in LIBs using a self-healing composite polymer binder for the silicon particles.

ORNL team develops 3D interconnected polymer/ceramic composite as a thin film solid electrolyte

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Oak Ridge National Laboratory researchers have developed a thin-film, highly conductive solid-state electrolyte made of a polymer and ceramic-based composite for lithium metal batteries. It is then backfilled with a crosslinkable poly(ethylene oxide) (PEO)-based polymer electrolyte.

2020 323

JAIST team investigates how self-repairing polymer can improve durability of silicon anodes

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With its self-healing properties, the PBS coating offers a much more stable performance in terms of capacity compared to a bare anode or one coated with PVDF, a polymer commercially used in lithium-ion batteries.

Polymer-based membranes offer alternative to thermal processes for separating hydrocarbon and crude oil mixtures

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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. The researchers chose the polymer polytriazole, which bears hydroxyl functional groups as a stable backbone, for their membrane.

Directly-cooled lighter-weight EV motor made with polymer housing

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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. Polymer housings are lightweight and easier to produce than aluminum housings. The polymer housing is produced in an automated injection molding process.

2019 257

New polymer membrane efficiently removes carbon dioxide from mixed gases; high permeability and selectivity

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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. Polymer membranes for gas separation face a tradeoff between permeability—i.e.,

CUA polymer-fibre satellite micropropulsion systems readying for launch

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The post CUA polymer-fibre satellite micropropulsion systems readying for launch appeared first on Innovation News Network. CU Aerospace is preparing to launch a series of innovative micropropulsion systems for flight on satellites in the near future.

Neste and DSM announce strategic partnership to create high performance polymers made from sustainable feedstock

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Royal DSM will start a strategic partnership with Neste to enable the production of high performance polymers made from sustainable feedstock. These polymers are used, for example, in the automotive, electronics and packaging industries.

2020 234

Improvement in polymers for aviation

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Researchers at the Polymer Technology Group, part of the UPV/EHU’s Department of Polymer Science and Technology and the Institute for Polymer Materials, POLYMAT, in Spain, recently reported the synthesis of high-performance poly(etherimide) (PEI)-based nanocomposites (PNs) with multi-walled carbon nanotubes (MWCNT) via melt mixing. However, like most polymers it is an insulating material from the electrical perspective.

DSM Engineering Materials expands production of high-performance polymers in China for EVs and E&E

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The new line will help DSM to meet growing demand for high-performance polymers used in a wide range of end-applications—particularly for electric vehicles and in electricsand electronics (E&E)—and will help drive the shift to a low-carbon, circular economy. DSM Engineering Materials is expanding its high-performance materials production capacity at its Jiangyin plant in Jiangsu Province, China.

Researchers show coordination polymer glass membranes can produce as much energy as liquid-based counterparts in fuel cells

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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.

2020 276

Lithium Polymer Batteries

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New lithium polymer batteries for electric cars - cheaper, lighter, and.400 miles on a charge

Ionic Materials raises $65M in Series C; polymer electrolyte for solid-state batteries

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The investors include companies from the battery manufacturing, consumer electronic and electric vehicle ecosystem which will be working with the company to speed the development of its solid polymer electrolyte battery material. The special properties of Ionic Materials’ polymer electrolyte allow the use of high-energy materials and support solid-state lithium-ion cells with little to no cobalt in their cathodes. Key properties of Ionic Materials’ polymer include: Up to 1.3

2018 267

Neste and LG Chem building a strategic partnership to drive the polymers and chemicals industry transformation towards a circular bioeconomy

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LG Chem will start replacing fossil feedstock commonly used in the manufacturing of polymers and chemicals with Neste Renewable Hydrocarbons in the upcoming months.

2020 217

Researchers develop concept for ultra-fast hydrogen sensor; plasmonic metal–polymer hybrid nanomaterial

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In a paper in the journal Nature Materials , the team presents a plasmonic metal–polymer hybrid nanomaterial concept, in which the polymer coating reduces the apparent activation energy for hydrogen transport into and out of the plasmonic nanoparticles, while deactivation resistance is provided via a tailored tandem polymer membrane.

2019 243

Nouryon introduces CMC polymers to improve the performance of lithium-ion batteries

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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.

2020 196

New porous coordination polymer captures CO2, converts it to useful organic materials

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The new material is a porous coordination polymer (PCP, also known as MOF; metal-organic framework), a framework consisting of zinc metal ions. Here, we present a dynamic porous coordination polymer (PCP) material with local flexibility, in which the propeller-like ligands rotate to permit CO 2 trapping.

2019 212

Bridgestone to push for wide commercialization of new High Strength Rubber polymer, now named SUSYM

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In May 2018, Bridgestone Corporation announced the development of the world’s first polymer to bond rubber and resins at the molecular level. The new polymer features unprecedented durability with crack resistance that is more than five times higher, abrasion resistance that is more than 2.5 Bridgestone Corporation has now named its novel polymer SUSYM.

2019 198

Georgia Tech team develops conversion-type iron-fluoride Li battery cathode with solid polymer electrolyte

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Researchers at Georgia Tech have developed a promising new conversion-type cathode and electrolyte system that replaces expensive metals and traditional liquid electrolyte with lower cost transition metal fluorides and a solid polymer electrolyte. The Georgia Tech team sought to overcome those obstacles by using the solid polymer electrolyte. The researchers found that the key to the enhanced battery performance was the solid polymer electrolyte.

2019 199

Gruppo Maip, Eastman partner on sustainable polymer automotive materials; bio-based and recycled

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Eastman and Gruppo Maip, a leading international plastics formulator and compound producer based in Turin, Italy, will partner to formulate new sustainable polymer solutions for automotive interior applications. This will enable an exclusive portfolio of formulations based on Eastman’s Advanced Circular Recycling technology, offering a range of both bio-based and molecular-recycled content solutions with Eastman Tritan Renew copolyester and Tr?va va Renew engineering bioplastic.

2020 159

Berkeley Lab, CMU team develops new class of soft, solid electrolytes for dendrite suppression; polymers and ceramics

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Key to the design of these new soft, solid-electrolytes was the use of soft polymers of intrinsic microporosity (PIMs), the pores of which were filled with nanosized ceramic particles.

2020 206

Evonik launches new polymer powder for 3D printing applications in higher temperature range

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Evonik has developed a new polymer powder for applications in higher temperature range as part of its polyamide 6 series. Demonstration part made from the new polymer powder of Evonik’s Polyamide 6 series. The new polymer powder in Evonik’s polyamide 6 series with its nearly round grain shape stands out for excellent flowability and application properties, making it suitable for all powder-based 3D printing technologies.

2019 188

New hybrid polymer-glass electrolyte for solid-state lithium batteries

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Described in a paper (“Compliant Glass-Polymer Hybrid Single-Ion-Conducting Electrolytes for Lithium Batteries”) to be published this week in Proceedings of the National Academy of Sciences (PNAS), the highly conductive hybrid electrolyte combines the two primary types of solid electrolytes: polymer and glass. Polymer and glass or ceramic solid electrolytes each come with their own set of issues.

2015 183

Evonik launches new polymer powder for 3D printing applications in higher temperature range

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Evonik has developed a new polymer powder for applications in higher temperature range as part of its polyamide 6 series. Demonstration part made from the new polymer powder of Evonik’s Polyamide 6 series. The new polymer powder in Evonik’s polyamide 6 series with its nearly round grain shape stands out for excellent flowability and application properties, making it suitable for all powder-based 3D printing technologies.

2019 167

DuPont Polymers showcases new automotive jounce bumper

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DuPont Performance Polymers (DuPont) is showcasing a novel automotive jounce bumper component—part of a vehicle’s shock-absorber system designed to absorb impact and dampen noise, vibration and harshness (NVH). DuPont, working with a team from Ossberger, capitalized on the flexibility attributes of DuPont Hytrel thermoplastic elastomer and a unique Ossberger blow-molding technology to simplify the component from four pieces that require subassembly to a single piece.

Penn State team uses 3D cross-linked polymer sponge to stabilize Li-metal anodes

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The three-dimensional, cross-linked polymer sponge not only promotes ion transfer, but also inhibits deterioration. A team at Penn State has developed a three-dimensional, cross-linked polyethylenimine lithium-ion-affinity sponge as the lithium metal anode host to mitigate the problem of dendritic growth of the metal anode. A paper on their work is published in Nature Energy.

2018 194

Toyota researchers develop truffle-inspired cathode material for Li-S battery with layer-by-layer self-assembled polymer membrane

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A three-dimensional view of the concept depicting the carbon-infused sulfur core, the hollow carbon nanoparticles and multilayer selective polymer membrane decorated with functionalized carbon. Various research teams have been exploring the use of polymer electrolytes, coatings, and membranes to enhance to performance of the Li-S battery by impeding the diffusion of polysulfides.

2015 236

Oxis Energy polymer Li-S pouch cell surpasses 450 cycles

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Oxis’ standard polymer Li-S pouch cell has surpassed 450 cycles. Oxis Energy, a UK-based developer of lithium-sulfur batteries, reported via Twitter that one of its standard polymer Li-S pouch cells surpassed 450 cycles this week. Oxis has developed a patented polymer lithium sulfur (Li-S) based battery technology platform using a lithium metal anode, a sulfur-based cathode, and a lithium sulfide electrolyte rendering the Li metal anode safe.

Gel polymer electrolyte for stabilizing sulfur composite electrodes for long-life, high-energy Li-S batteries

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In a paper in the Journal ChemSusChem they report that using a novel gel polymer electrolyte (GPE) enables stable performance close to the theoretical capacity (1675 mAh g -1 ) of a low cost sulfur-carbon composite with high active material loading, i.e. 70% S. 70% S) sulfur composite cathode using a polyvinylidene fluoride-based (PVdF) gel polymer electrolyte (GPE).

2017 174

Danish Power Systems sets new record with degradation rate in high-temperature polymer fuel cells

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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. The polymer can operate at a higher temperature than traditional PEM cells.

2017 159

EPoSil: electroactive polymers for generating electricity from wave power

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A German consortium involving four companies and and two universities is developing dielectric elastomers (electroactive polymers) for the conversion of mechanical energy—in this case wave power—into electrical power. The German Federal Ministry of Education and Research is supporting the project known as EPoSil (electroactive polymers based on silicon for power generation) until January 2015 with funding of nearly €2 million (US$2.7

Li-ion sulfur polymer battery shows high energy density as well as safety

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A team from the University of Rome Sapienza has developed a rechargeable lithium-ion polymer battery based on the combination of a high capacity sulfur-carbon cathode, nanostructured Li x Sn-C anode and polysulfide-added PEO-based gel membrane. Further, the use of a polymer electrolyte and the replacement of lithium metal with a Li-Sn-C nanostructured alloy for the anode should provide high safety content, they noted in their open access paper published in Nature’s Scientific Reports.

2015 200

United Soybean Board awards Battelle and Biobent Polymers funding to assist in commercialization of soy-based bio-composite polymers

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The United Soybean Board (USB) has awarded Battelle funding specifically targeted to assist Biobent Polymers, the Marysville, Ohio-based bioplastics company, in the commercialization of its new bio-composite polymers made from soy. Masavage, Chief of Strategy and Operations at Biobent Polymers. Biobent Polymers is a division of global plastics manufacturer Univenture Inc.,

IBM Research discovers new class of industrial polymers; cheaper, lighter, stronger and recyclable thermosets for aerospace, automotive and others

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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. Polymers are long chains of molecules connected through chemical bonds.

2014 224

Trapping Li polysulfides in a polymer matrix to improve Li-S battery performance

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To overcome the challenge of soluble polysulfides as charge/discharge intermediates in Li-S batteries, researchers at the University of Texas at Austin, with colleagues at Murray State University, have designed highly crosslinked polymer-electrolyte coating layers with electron-donating groups to bind the polysulfides. They also proposed an electrochemical charge/discharge model which can explain the electrochemical behavior within the insulating polymer layer.

2015 180

Amyris achieves record low cost farnesene production; sales growth in performance polymers and industrial solvents markets

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The company has also accelerated its sales activity relating to high-performance polymer-grade farnesene for the polymers market and Myralene as a replacement for higher-priced limonene. At these low manufacturing costs, farnesene is also now priced competitively with isoprene as a raw material for many high-performance polymer applications and delivers better functional performance for Amyris’ partners’ end-market materials.

2015 180

New multifunctional polymer binder achieves theoretical capacity of LiFePO4 Li-ion batteries without additives

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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.

2015 188

Rennovia produces cost-advantaged 100% bio-based nylon-6,6 polymer; automotive apps

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a privately held company that develops novel catalysts and processes for the cost-advantaged production of chemical products from renewable feedstocks, has produced and shipped to a prospective partner samples of what it believes to be the world’s first 100% bio-based nylon-6,6 polymer. The new bio-polymer, produced under Rennovia’s RENNLON brand, is made from Rennovia’s renewable monomers, RENNLON adipic acid (AA) and RENNLON hexamethylenediamine (HMD). Rennovia, Inc.,

2013 246

Global Bioenergies’ bio?isobutene now at 99.77% purity; polymer-grade level

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Global Bioenergies has purified its bio‐isobutene to 99.77%, a polymer‐grade level. Several applications in the polymers business (rubbers, plastics.) require high‐purity isobutene, and 99.77% corresponds to the polymer‐grade standard. Global Bioenergies routinely produces isobutene batches using its industrial pilot located in Pomacle‐Bazancourt, eastern France. Up to now, 95% purity was reached, a level sufficient for several applications, such as fuels and paints.

2016 150