Green Car Congress

MARCH 30, 2022

Berlin-based Theion , a developer of lithium-sulfur cathode technology, appointed Dr. Ulrich Ehmes as CEO and announced the upcoming commercial availability of its Crystal Battery for applications, beginning with the aerospace sector. Ulrich Ehmes, Theion CEO.

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Batteries Battery Lithium Sulfur Lithium Ion 334

Baua Electric

APRIL 12, 2024

Given India’s dependence on 100% imported lithium-ion cells for electric vehicle batteries, there exists a compelling drive to cultivate indigenous cell and battery manufacturing capacities to meet the burgeoning demands. Zeta Energy is the world’s leading developer of lithium-sulfur battery chemistry, materials and cell technology.

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Lithium Sulfur Li-ion Auto Lithium Ion 52

Green Car Congress

NOVEMBER 2, 2011

A team from Lawrence Berkeley National Laboratory and Tsinghua University (China) have synthesized graphene oxide-sulfur (GO-S) nanocomposite cathodes and applied them in lithium/sulfur cells to show a high reversible capacity of 950-1400 mAh g -1 and stable cycling for more than 50 deep cycles at 0.1C (1C = 1675 mA g -1 ).

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Lithium Sulfur Li-ion Batteries Battery 186

Green Car Congress

NOVEMBER 10, 2018

Researchers at Shanghai Jiao Tong University have developed a gel-like electrolyte induced by fumed alumina for dendrite-free Li deposition, lower over-potential and better cycle stability in lithium-sulfur batteries. Hence, it is necessary to address these issues prior to its large-scale commercialization. … —Lei et al.

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Lithium Sulfur Li-ion Batteries Battery 259

Green Car Congress

MAY 10, 2018

Purdue engineers have used upcycled low-density polyethylene (LDPE) plastic to boost the lifespan of lithium-sulfur batteries. They first prepared porous sulfonated carbon (PSC) from LDPE plastic via microwave-promoted sulfonation. with cycle retention of 79% over 200 cycles.

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Lithium Sulfur Batteries Battery Engine 186

Green Car Congress

SEPTEMBER 30, 2014

Fraunhofer IWS in Dresden, Germany will hold its 3rd annual workshop on Lithium-sulfur batteries from 12-13 November 2014. As with the prior Lithium-Sulfur Battery Workshops in 2012 and 2013, this year’s symposium will bring together an international audience of scientists and industrial customers.

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Lithium Sulfur Batteries Battery Sodium 225

Green Car Congress

MAY 31, 2013

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. Battery systems using metallic Lithium offer very high specific energy; sulfur represents a natural cathode partner for metallic Li. Click to enlarge.

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Polymer Lithium Sulfur Energy Singapore 199

Green Car Congress

OCTOBER 15, 2018

Researchers at Changchun University of Science and Technology in China have developed a nanobox strategy to improve the performance of lithium-sulfur batteries. 1 —five times than the commercial Lithium-ion batteries—and practical energy densities of beyond 500 Wh kg ? 2018.10.032.

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Lithium Sulfur Li-ion Batteries Battery 236

Green Car Congress

MARCH 28, 2018

For a Li–S full-cell configuration, using the MoS 2 -coated Li as anode and a 3D carbon nanotube–sulfur cathode, they reported obtain a specific energy density of ~589?Wh?kg However, sulfur is a poor electrical conductor and can become unstable over just several charge-and-recharge cycles.

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Dallas Li-ion Lithium Sulfur Batteries 207

Green Car Congress

MAY 16, 2016

Researchers from Hunan University and Changsha University in China have designed 3D hierarchical porous nitrogen-doped aligned carbon nanotubes (HPNACNTs) with well-directed 1D conductive electron paths as scaffold to load sulfur for use as a high-performance cathode in Li-S batteries. —Deng et al.

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Carbon Li-ion Lithium Sulfur Transportation 150

Green Car Congress

MARCH 27, 2014

When no carbon black was added to the electrode mixture, a very high Li 2 S content (88 wt % Li 2 S) electrode composed of 98 wt % 1 ? Lithium/sulfur cells are seen as a promising next-generation “beyond Li-ion” technology. carbon composites; trapping of polysulfides; and electrolyte modification. Click to enlarge.

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Lithium Sulfur Li-ion Batteries Battery 225

Green Car Congress

AUGUST 9, 2018

the commercialization of lithium-sulfur (Li-S) batteries has been severely hindered by the polysulfide (PS) shuttling effect whereby PSs dissolve into the electrolyte and shuttle across the separator to react with anode materials, leading to a rapidly fading capacity with repeated charge/discharge cycles. 2018.07.022.

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Li-ion Lithium Sulfur China Batteries 210

Green Car Congress

APRIL 23, 2018

The “classic” high-energy capacity Lithium-sulfur battery is predicated on the use of a sulfur-based cathode and a Lithium-metal anode. Among the issues hampering the commercialization of this attractive technology are the safety and performance issues associated with the use of the lithium-metal anode.

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Li-ion Lithium Ion Batteries Battery 231

Green Car Congress

SEPTEMBER 19, 2017

alpha-En Corporation, a company that has developed a patent-pending process to produce high-purity thin-film lithium metal anodes and associated products sustainably, will receive an award of $750,000 from the US Department of Energy’s Office of Technology Transition Technology Commercialization Fund (TCF).

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Corporation Lithium Sulfur Batteries Battery 186

Green Car Congress

FEBRUARY 6, 2017

Lithium-sulfur batteries are one of the most promising alternatives for next-generation high-energy-density batteries; however, one of the main obstacles to widespread commercialization that still needs to be addressed is the polysulfide shuttle mechanism between the two electrodes. —Vizintin. —Vizintin et al.

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Conversion Li-ion Lithium Sulfur Carbon 150

Green Car Congress

FEBRUARY 10, 2015

A team from the China University of Geosciences has taken a novel approach to stabilizing Lithium-sulfur batteries by functionalizing the carbon-sulfur cathode with DNA. Rechargeable lithium/sulfur battery promises an appealing candidate for energy storage to power portable devices and electric vehicles.

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Lithium Sulfur Batteries Battery Carbon 150

Green Car Congress

APRIL 13, 2015

A team of researchers in South Korea and Italy has demonstrated a highly reliable lithium–sulfur battery showing cycle performance comparable to that of commercially available lithium-ion batteries while offering more than double the energy density. Another major concern regarding the lithium?sulfur metal anode.

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Li-ion Lithium Sulfur Batteries Battery 150

Green Car Congress

FEBRUARY 19, 2014

The high stability of these electrolytes enables batteries that can work at very high temperatures, high voltages and with next-generation “beyond lithium-ion” technologies like lithium-sulfur and metal-air batteries. Boulder Ionics Corp., —CSIRO Research Scientist Dr. Adam Best.

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Lithium Ion Lithium Sulfur Batteries Battery 218

Green Car Congress

MAY 25, 2016

Researchers from University of Western Ontario, Lawrence Berkeley National Laboratory (LBNL), and Canadian Light Sources (CLS) have developed a safe and durable high-temperature Li-sulfur battery using universal conventional carbon–sulfur (C-S) electrodes with a molecular layer deposited (MLD) alucone (aluminum oxide polymeric film) coating.

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Li-ion Lithium Sulfur Batteries Battery 170

Green Car Congress

MARCH 26, 2021

MIT researchers and colleagues at two national laboratories have developed a sulfonamide-based electrolyte that enables stable cycling of a commercial LiNi 0.8 V in lithium-metal batteries (LMBs). There’s no expensive elements, it’s just carbon and fluorine. O 2 cathode with a cut-off voltage up to 4.7?V

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Ni-Li MIT Li-ion Batteries 284

Green Car Congress

DECEMBER 19, 2017

In 2015, Airbus Defence and Space and Sion Power Corporation signed a three-year Collaborative Agreement under which Sion Power enhanced and supplied proprietary lithium sulfur (Li-S) batteries for use in Zephyr aircraft. It will fly at more than 65,000 ft—above commercial air traffic—for months at a time.

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Engine Lithium Sulfur Batteries Battery 150

Green Car Congress

JANUARY 9, 2013

Researchers at Stanford University and SLAC led by Stanford associate professor Yi Cui have used a sulfur–TiO 2 yolk–shell design for a cathode material for a lithium-sulfur battery that achieved an initial specific capacity of 1,030?mAh?g This is the highest performing sulfur cathode in the world, as far as we know.

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Lithium Sulfur Batteries Battery Energy Storage 231

Green Car Congress

MARCH 12, 2010

Rather than taking the more conventional approach of using a sulfur cathode and a lithium metal anode, Jusef Hassoun and Bruno Scrosati have developed a lithium-metal-free battery, using a carbon lithium sulfide composite as the cathode and a tin carbon composite anode. Hassoun and Scrosati.

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Lithium Ion Polymer Lithium Sulfur Li-ion 220

Green Car Congress

MAY 18, 2009

The galvanostatic discharge and charge profiles of the first cycle of CMK-3 + sulfur; CMK-3/S-145; and CMK-3/S-155. While lithium-sulfur batteries use the flow of lithium ions in an electrolyte between an anode and a cathode, the way Li-S batteries store the ions is quite different. Source: Ji et al. Earlier post.).

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Lithium Sulfur Li-ion Batteries Battery 170

Green Car Congress

APRIL 30, 2010

ARPA-E’s first solicitation awarded $151 million to 37 projects aimed at transformational innovations in energy storage, biofuels, carbon capture, renewable power, building efficiency, vehicles, and other areas. Novel Biological Conversion of Hydrogen and Carbon Dioxide Directly into Biodiesel. Earlier post.) Engineering E. per gallon.

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Carbon Batteries Battery Li-ion 249

Green Car Congress

SEPTEMBER 17, 2014

A team from General Motors Global Research & Development Center in Michigan has developed a new double-layered core–shell structure of polymer-coated carbon–sulfur to confine better the sulfur/polysulfides in the electrode of lithium–sulfur (Li/S) batteries and to improve the batteries’ cycling stability and Columbic efficiency.

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GM Polymer Li-ion Lithium Sulfur 225

Green Car Congress

AUGUST 31, 2016

Efforts to commercialize light-weight, energy-dense lithium-sulfur secondary batteries (2510 Wh kg –1 ) have been stalled by ongoing problems with the battery’s membrane, which limits cycle-life. Sepion’s polymer membrane technology provides a counterpoint, yielding long-lasting lithium-sulfur cells.

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Manufacturer EPRI Lithium Sulfur Carbon Fiber 150

Green Car Congress

FEBRUARY 26, 2010

The new battery combines a Li 2 S/mesoporous carbon composite cathode and a silicon nanowire anode. The lithium/sulfur system, which during the redox process behaves according to the reaction 2Li + S ? CMK-3 carbon is made up of hexagonally arranged 7-8 nm thick carbon nanorods separated by 3-4 nm pores.

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Li-ion Recharge Lithium Sulfur Energy 199

Green Car Congress

MAY 2, 2017

Li-sulfur batteries are looked to as a likely next-generation higher energy density energy storage system due to the high theoretical capacity, low cost and high earth abundance of sulfur. Credit: ACS, Chen et al. Junzheng Chen, Wesley A. Henderson, Huilin Pan, Brian R. Perdue, Ruiguo Cao, Jian Zhi Hu, Chuan Wan, Kee Sung Han, Karl T.

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Li-ion Lithium Sulfur Polymer Energy Storage 150

Green Car Congress

MAY 26, 2023

Stellantis Ventures, the corporate venture fund of Stellantis, has invested in materials innovation and applications company Lyten to accelerate the commercialization of Lyten 3D Graphene applications for the mobility industry, including the LytCell Lithium-Sulfur EV battery ( earlier post ), lightweighting composites, and novel on-board sensing.

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Lithium Sulfur Batteries Battery Lithium Ion 300

Green Car Congress

MAY 25, 2017

Polysulfide-Blocking Polymer Membrane Separators for Rechargeable Lithium-Sulfur Batteries The advanced energy economy will be a dominant market force in the 21st century, one driven by US demand but asymmetrically low domestic supply without immediate action. This has the potential to displace over 4.2 Sepion Technologies.

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Grant Li-ion Waste Lithium Sulfur 150

Green Car Congress

APRIL 28, 2016

Lithium-sulfur (Li-S) batteries are of great interest as next-generation energy storage solutions, especially for electric vehicles, due to their high energy density, low production cost and environmental friendliness.

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Batteries Battery Lithium Sulfur Carbon 150

Green Car Congress

APRIL 11, 2015

Despite the theoretical promise of Li-sulfur batteries (energy density of 2567 Wh kg ?1 1 , more than 5x that of commercial Li-ion batteries; sulfur is abundant, nontoxic, and inexpensive), practical application has been hampered by a number of challenges. Batteries Graphene Li-Sulfur' Credit: ACS, Li et al.

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Li-ion Batteries Battery Lithium Sulfur 150

Green Car Congress

NOVEMBER 22, 2011

optioned a PNNL-developed method for building titanium oxide and carbon structures that greatly improve the performance of lithium-ion batteries. The new material stores twice as much electricity at high charge/discharge rates as current lithium ion batteries, and creates increased battery capacity and a longer cycle life.

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America Building Fuel Batteries 240

Green Car Congress

FEBRUARY 11, 2013

A team from the University of Picardie Jules Verne (France) and Alistore ERI (European Research Institute) has demonstrated new approaches to lithium-sulfur (Li-S) rechargeable batteries ( earlier post ) with improved capacity retention. Such approaches resulted in greater performance than confinement approaches, they found.

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Li-ion Building Batteries Battery 218

Green Car Congress

FEBRUARY 24, 2015

Researchers at Pacific Northwest National Laboratory (PNNL) have developed a new electrolyte that allows lithium-sulfur, lithium-metal and lithium-air batteries to operate at 99% efficiency, while having a high current density and without growing dendrites that short-circuit rechargeable batteries.

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Batteries Battery Lithium Sulfur Recharge 150

Green Car Congress

FEBRUARY 11, 2012

The introduction of hydrogen into the engine virtually eliminates fuel emissions while greatly reducing the emissions of hydrocarbons and carbon monoxide. In 2007, Vorbeck signed a worldwide license agreement with Princeton University for a patented method from the the Aksay Labs for manufacturing graphene at commercial scale.

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Hydrogen Engine Energy Batteries 279