New solid polymer electrolyte outperforms Nafion; novel polymer folding

Green Car Congress

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.

Lithium Polymer Batteries

Electric Cars are for Girls

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

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

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

Green Car Congress

By dissipating the heat close to where it is generated, the project partners were able to construct the entire motor and housing from polymer materials, leading to further advantages. Polymer housings are lightweight and easier to produce than aluminum housings.

2019 136

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

Green Car Congress

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 91

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

Green Car Congress

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 112

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

Green Car Congress

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

2019 105

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

Green Car Congress

The plasmonic metal–polymer optical hydrogen sensor platform presented here overcomes all these long-standing limitations by capitalizing on generic and synergistic effects that arise from combining PdAu alloy plasmonic nanoparticle signal transducers with tailored thin polymer membrane layers.

2019 127

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

Green Car Congress

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.

2019 104

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

Green Car Congress

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 78

Improvement in polymers for aviation

Green Car Congress

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.

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

Green Car Congress

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 86

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

Green Car Congress

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.

2019 88

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

Green Car Congress

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 77

DuPont Polymers showcases new automotive jounce bumper

Green Car Congress

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).

Supercapacitor energy density could soar using contact-lens polymer

Green Car Reports

Engineers are nothing if not creative. Significant research is going into improved ways of storing electricity, including alternatives to the currently dominant lithium-ion battery-cell chemistry in electric cars. That includes using supercapacitors to substitute for storage batteries in some circumstances. DON'T MISS: Batteries from junkyard. Batteries research plug-in cars charging energy storage capacitor ultracapacitors

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

Green Car Congress

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 79

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

Green Car Congress

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.

2015 123

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

Green Car Congress

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.

Oxis Energy polymer Li-S pouch cell surpasses 450 cycles

Green Car Congress

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.

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

Green Car Congress

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.

2017 90

EPoSil: electroactive polymers for generating electricity from wave power

Green Car Congress

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.

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

Green Car Congress

The new family, formed by condensation of paraformaldehyde with bisanilines, can form hard thermoset polymers or, when more oxygenated, produce self-healing gels. Polymers are long chains of molecules connected through chemical bonds.

2014 119

Grafoid introduces ion-selective graphene polymer membrane for Li-ion battery electrode protection

Green Car Congress

a Canadian graphene R&D, investment and technology licensing company ( earlier post ) introduced its GPURE Graphene Polymer nano-porous membrane intended for next generation Li-Ion battery applications. Grafoid Inc.,

2017 78

Heat-conducting polymer cools hot electronic devices at 200 C; potential for automotive applications

Green Car Congress

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.

2014 103

CMU researchers rule out one potential cause of resistance in polymer electrolyte fuel cells; R&D guidance toward commercialization

Green Car Congress

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.

2015 106

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

Green Car Congress

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 64

Self-healing polymer wrapper enables longer cycle life in silicon anodes for Li-ion batteries

Green Car Congress

Top: The stress of repeated swelling and shrinking shatters a conventional silicon electrode and its polymer binding. Bottom: An electrode coated with stretchy, self-healing polymer remains intact. (C.

2013 103

LLNL 3-D printed biocatalytic polymer turns methane to methanol at room temperature and pressure

Green Car Congress

Using particulate methane monooxygenase (pMMO), the researchers created a biocatalytic polymer material that converts methane to methanol. The enzymes retain up to 100% activity in the polymer construct. Remarkably, the enzymes retain up to 100 percent activity in the polymer.

2016 78

Polymer microcapsules with liquid carbonate cores and silicone shells offer a new approach to carbon capture

Green Car Congress

The team, led by scientists from Harvard University and Lawrence Livermore National Laboratory, employed a microfluidic assembly technique to produce microcapsules that contain liquid sorbents encased in highly permeable polymer shells.

2015 96

Polymer-graphene nanocomposites as high-rate “green” electrodes for Li-ion batteries

Green Car Congress

A team of researchers from the US and China have developed novel polymer?graphene Moreover, the robust backbone of the polymer can prevent the unwanted dissolution in nonaqueous electrolyte that is always suffered by small molecules, and thereby achieve good cycling stability.

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

Green Car Congress

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 81

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

Green Car Congress

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.,

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

Green Car Congress

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 73

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

Green Car Congress

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 73

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

Green Car Congress

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 77

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

Green Car Congress

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 100

U of I team uses frontal polymerization for rapid energy-efficient manufacturing of polymers; saving 10 orders of magnitude of energy

Green Car Congress

Researchers at the University of Illinois have developed a new polymer-curing process that could reduce the cost, time and energy needed, compared with the current manufacturing process. Frontal polymerization is a promising alternative curing strategy, in which a self-propagating exothermic reaction wave transforms liquid monomers to fully cured polymers. The resulting polymer and composite parts possess similar mechanical properties to those cured conventionally.

2018 69

Federal-Mogul Powertrain introducing IROX 2 polymer bearings for crankshafts; effective for hybrid and start/stop applications

Green Car Congress

The new polymer-coated high-performance bearings can be applied to both light and heavy-duty engines, and are particularly effective in hybrid and start/stop applications that place additional demands on bearings through frequent re-starting.

2017 78

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

Green Car Congress

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 60

Solvay participating in Polimotor 2 carbon fiber reinforced polymer engine project

Green Car Congress

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 focus of this molding demonstration will be the Polimotor 2, a 4-cylinder carbon fiber reinforced polymer engine based on the Ford 2.0

Solvay Specialty Polymers launches new wear-resistant Veradel polyethersulfone; improved powertrain efficiency

Green Car Congress

Solvay Specialty Polymers introduced Veradel 3300 SL 30 polyethersulfone (PESU). The new Veradel grade is a tough, high-performance resin designed to meet growing global demand for advanced polymers that can improve automotive powertrain efficiency and reduce carbon emissions. This high-performing polymer also delivers good dimensional stability and strong resistance to oil and exhaust gases.

2015 71

Audi to use suspension springs of glass fiber-reinforced polymer instead of steel for ~40% weight savings

Green Car Congress

Audi will introduce new, lightweight suspension springs made of glass fiber-reinforced polymer (GFRP) in an upper mid-size model before the end of the year.

2014 113

Panasonic commercializes conductive polymer hybrid aluminum electrolytic capacitors for automotive use

Green Car Congress

Panasonic Corporation has developed conductive polymer hybrid aluminum electrolytic capacitors realizing large capacitance and large current in a compact form factor (SMD type), suited for automotive ECUs (Electronic Control Units) power supply circuits of HEV, EV and gasoline-powered vehicles, etc.

2016 65