Lithium Polymer Batteries

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

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.

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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 91

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. Secondary Lithium-ion batteries made using CMC show high capacity retention in general, but also at high C-rates. Batteries Biomass Materials

2020 78

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

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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

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. Batteries Solid-state

2019 105

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. Batteries Solid-state

2018 139

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

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Scientists at the US Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of North Carolina at Chapel Hill have developed a novel electrolyte for use in solid-state lithium batteries that overcomes many of the problems that plague other solid electrolytes while also showing signs of being compatible with next-generation cathodes. Polymer and glass or ceramic solid electrolytes each come with their own set of issues. Batteries Li-Sulfur

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

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Researchers in Sweden and Italy have devised a simple strategy to address the issues currently hampering commercialization of high-energy density Li-sulfure batteries, including. 70% S) sulfur composite cathode using a polyvinylidene fluoride-based (PVdF) gel polymer electrolyte (GPE).

2017 91

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

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Using metals as anodes in metal batteries is considered as the most promising approach to achieve high energy density in next-generation batteries, and it is applied in commercial low-cost batteries such as zinc (Zn) metal batteries and lead acid batteries. The three-dimensional, cross-linked polymer sponge not only promotes ion transfer, but also inhibits deterioration. Batteries

2018 80

Supercapacitor energy density could soar using contact-lens polymer

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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 ultracapacitorsEngineers are nothing if not creative.

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

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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. Batteries

2013 104

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

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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

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

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A team of researchers from the US and China have developed novel polymer?graphene graphene nanocomposites as high-rate cathode materials for rechargeable lithium batteries. demonstrated a general one-pot synthesis of polymer?graphene They characterized their polymer?graphene

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. Batteries

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. Polymer electrolytes, such as those based on PEO, still suffer from low ionic conductivity and high interphase resistance at temperature lower than 70 °C. Batteries Li-Sulfur

2015 81

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 74

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. Kiefel, Gao Liu, and Shanqing Zhang (2015) “Multifunctional SA-PProDOT Binder for Lithium Ion Batteries” Nano Letters doi: 10.1021/acs.nanolett.5b00795.

2015 77

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

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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 107

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 64

Corvus Energy’s marine lithium polymer battery pack used in Europe’s first hybrid tugboat

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Lithium polymer battery packs from Corvus Energy were recently installed in Europe’s first hybrid tugboat, the RotorTug RT Adriaan of KOTUG, an international maritime service provider headquartered in The Netherlands. The conversion features Corvus’ AT6500 48 volt lithium polymer battery packs. Corvus’ lithium polymer batteries last up to 10 times longer and have up to 10 times more power and energy storage than lead acid batteries.

Researchers Develop Novel High-Performance Polymer Tin Sulfur Lithium Ion Battery

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Sketch of the Sn/C/CGPE/ Li 2 S/C polymer battery. The battery is formed by a Sn/C composite anode, a PEO-based gel polymer electrolyte, and a Li 2 S/C cathode. The practical development of the lithium–sulfur battery has been hindered to date by a series of shortcomings.

EU funded project developing fast rechargeable zinc-polymer battery for hybrid and small electric vehicles

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million (US$5 million) research project to create a new class of fast rechargeable zinc-polymer batteries for hybrid and small electric vehicle applications. The PolyZion (Fast rechargeable zinc-polymer battery based on ionic liquids) received funding of €2.4 This research involves the development of a new class of fast rechargeable batteries based on a zinc-plastic system incorporating a novel, inexpensive, environmentally sustainable solvent. Batteries

Tata Motors Selects EIG Lithium-ion Polymer Batteries for Indica Vista Electric Vehicle Program

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EIG will supply 20Ah NCM Li-ion polymer cells to Miljøbil Grenland AS. EIG) a contract to supply batteries for the Indica Vista EV project ( earlier post ), a development of the TATA Indica Vista. Tags: Batteries Electric (Battery

2009 99

BioSolar extends agreement with UCSB for further development of novel polymer cathode; projecting up to 459 Wh/kg and $54/kWh for Li-ion cells

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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. BatteriesStartup BioSolar, Inc.

2015 111

Masdar Institute files US patent for Li-ion solid polymer electrolyte battery technology

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UAE-based Masdar Institute of Science and Technology has filed a provisional patent application with the US Patents and Trademarks Office for a new solid polymer electrolyte technology for Li-ion batteries. This is the first lithium battery-related patent application filed by Masdar Institute. The electrolyte material can be used to make batteries of varying sizes for different applications.

New conductive polymer addresses volumetric change issue with silicon anodes for Li-ion batteries; high-capacity and longer cycle life reported

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At left, a traditional approach combines Si (blue spheres) with a polymer binder (light brown) plus carbon (dark brown spheres). At right, the new conductive polymer (purple) continues to bind tightly to the Si particles despite repeated swelling and shrinking. Batteries

2011 93

CSIRO and Piotrek partner on next-gen solid-state Li-ion batteries for global market

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Australia’s national science agency CSIRO, and Japanese specialist chemical manufacturer, Piotrek , are partnering to commercialize Australian-developed battery technologies globally within the next five years. Complex architecture, including graft, star and gradient polymers.

2019 96

EV traction battery with thermal storage

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Among the OPTEMUS projects is a traction battery with thermal storage, which the Fraunhofer Institute for Structural Durability and System Reliability LBF has helped to design. Batteries D-I-Y Electric (Battery

2018 114

UCSD team offers roadmap of four challenges for solid-state battery commercialization

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In an open-access review paper published in Nature Nanotechnology , researchers at the University of California San Diego offer a research roadmap that includes four challenges that need to be addressed in order to advance all-solid-state batteries to commercialization. Why do batteries fail?

2020 137

Simple method for ceramic-based flexible electrolyte sheets for lithium metal batteries; mass production at room temperature

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m in thickness) for Li-metal batteries, which can be mass-produced at room temperature. The mechanical robustness and operability of the flexible LLZO composite sheet at a wide range of temperatures makes it a promising electrolyte for Li-metal batteries.

2020 132

New solid-electrolyte interphase may boost prospects for rechargeable Li-metal batteries

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Rechargeable lithium metal batteries with increased energy density, performance, and safety may be possible with a newly-developed, solid-electrolyte interphase (SEI), according to Penn State researchers. In this project, we used a polymer composite to create a much better SEI.

2019 132

Researchers Develop New Solid-State Polymer Electrolyte for Fuel Cells and Batteries

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A team of researchers at MIT and Pennsylvania State University, which has been working on a new layer-by-layer (LbL) method for producing novel kinds of membranes, has developed a new solid-state polymer electrolyte for use in electrochemical devices such as fuel cells and batteries using that method. To the best of our knowledge, this is the first incorporation of a phosphazene based polymer into a multilayer structured thin film.

New cathode material for Li-S batteries: sulfur-anchored azulene

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A team of researchers from China and Germany have used azulene—a benzene-free and vinyl-free molecule—to polymerize with sulfur to create a cathode material for Li-S batteries. As described in an open-access paper in the RSC journal Chemical Communications ,the polymer exhibits high sulfur content and offers longer lifetime stability compared to pure sulfur, providing new protocols to develop new cathode materials for Li-S batteries. Batteries Li-Sulfur

2019 82

Sulfur-carbon nanofiber composite for solid-state Li-sulfur batteries

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Researchers at Toyohashi University of Technology in Japan have developed an active sulfur material and carbon nanofiber (S-CNF) composite material for all-solid-state Li-sulfur batteries using a low-cost and straightforward liquid phase process. Batteries Li-Sulfur Solid-state

2020 88

BASF and Max Planck Institute for Polymer Research open joint research laboratory for graphene

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BASF and the Max Planck Institute for Polymer Research (MPI-P) opened their joint research and development platform, the Carbon Materials Innovation Center (CMIC), at BASF’s Ludwigshafen site. There is a wide range of ideas for applications, including displays or batteries with a vast market potential for these applications.

Toyota, UH researchers improve performance of high-energy magnesium-ion batteries

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Researchers from the University of Houston and the Toyota Research Institute of America have discovered a promising new version of high-energy magnesium batteries, with potential applications ranging from electric vehicles to battery storage for renewable energy systems. Batteries

2018 130

Microporous polymer material for supercapacitors with large capacitance, high energy and power densities and excellent cycle life

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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. Aza-CMPs exhibit large capacitance, high power and energy densities (approaching those of current-generation Li-ion batteries), and enable repetitive energy storage and power supply with an excellent cycle life.

2011 84

VW confirms it’s planning for solid-state batteries by 2025

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Solid-state batteries sometimes sound a bit like the missing link that would punt electric vehicles soundly into mainstream acceptance. The list of potential virtues for solid-state tech, which would replace the polymer/gel electrolyte commonly used in lithium-ion cells with a solid one, is impressive: a longer driving range; smaller packaging; Batteries battery pack solid-state cell

2018 83

Hyundai invests in solid-state battery materials startup Ionic Materials

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Ionic Materials is a materials technology company developing advanced materials for high-energy-density batteries that are safer and less expensive than current ones. Ionic Materials has invented a novel solid polymer electrolyte material that conducts ions at room temperature.

2018 85

New Type of Polymer Electrolyte for Li-ion Batteries Offers Liquid-Like and Stable Conductivity Over a Wide Temperature Range

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report on the development of a new type of polymer electrolyte material for Li-ion transport. The new material offers many of the best features of gelled polymers and LC-based electrolytes plus very stable, liquid-like ion conductivity over a wide temperature range that has not been observed in either of those other types of materials, according to the researchers. Polymer electrolytes with high ion conductivity are critical for Li-ion battery performance, the authors note.

2009 60

MIT team develops data-driven safety envelope for lithium-ion batteries for EVs

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The safety envelope refers to the the range of mechanical loading conditions ensuring safe operation of battery cells. The biggest challenge of developing such a safety envelope lies in the acquisition of a large data bank of battery failure tests. Batteries Safety

2019 127

Faurecia gaining market momentum with hemp-based biomaterial NAFILean

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The recent award for the use of NAFILean in serial production of the electric SUV for the Californian/Chinese company FMC Byton Concept highlights the benefit for next generation vehicles: the savings of one kilogram of weight contributes to three miles of increased battery autonomy.

2018 110