Lithium Sulfur, Lithium Carbon — Batteries Have Come A Long Way, Baby
CleanTechnica EVs
SEPTEMBER 23, 2021
Lithium sulfur and lithium carbon batteries are almost ready for prime time.
2024 BMW i5 details, Volvo EX30 CO2, Stellantis and lithium-sulfur batteries: Today’s Car News
Green Car Reports
MAY 25, 2023
Volvo’s upcoming EX30 is going for the brand’s smallest-ever carbon footprint. Stellantis sees lithium-sulfur battery tech in its future. And the BMW i5 looks much like a gasoline 5-Series. Is that a good thing? This and more, here at Green Car Reports.
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MIT: hybrid cathodes could boost energy capacity of lithium-sulfur batteries
Green Car Congress
MARCH 26, 2019
The relationship between cathode porosity and predicted cathode-specific volumetric energy density e v (a) and gravimetric energy density e g (b) of the hybrid Mo 6 S 8 /S 8 cathode with all carbon included (HMSC) and C/S 8 cathode with different C/S 8 and Mo 6 S 8 /S 8 ratios. The net effect of using the new material is substantial.
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RPI team develops method to use paper-making by-product in lithium-sulfur batteries
Green Car Congress
APRIL 3, 2018
Lignosulfonate, a sulfonated carbon waste material, is a major by-product in the papermaking industry. Researchers at Rensselaer Polytechnic Institute (RPI) have now developed a method to use this cheap and abundant waste byproduct to build a components for lithium-sulfur batteries. per cycle over 200 cycles. Click to enlarge.
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Lyten ships lithium-sulfur cell samples to EV manufacturers – Charged EVs
Baua Electric
JUNE 3, 2024
US-based chemical manufacturer Lyten has started shipping lithium-sulfur A sample cells to its investor Stellantis and other US and EU automotive OEMs for evaluation. Lyten manufactures lithium-sulfur cells in pouch and cylindrical formats (2170 and 18650) and is currently shipping the 6.5
HZB team devises new Ti4O7 cathode material for Lithium-sulfur batteries
Green Car Congress
MAY 22, 2017
Researchers at the Helmholtz-Zentrum Berlin für Materialien und Energie (HZB), with colleagues from Humboldt-Universität zu Berlin and University of Potsdam, have fabricated a nanomaterial made from nanoparticles of a titanium oxide compound (Ti 4 O 7 ) for use as a cathode material in lithium-sulfur batteries. Credit: HZB.
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Stellantis invests in Lyten; 3D Graphene and Li-S EV battery technology
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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Stellantis is about to test the first-ever production-line lithium-sulfur batteries
Baua Electric
MAY 10, 2024
Photo: Lyten In a milestone, supermaterials trailblazer Lyten has shipped lithium-sulfur (Li-S) batteries to Stellantis and other US and EU OEMs for testing. Ah Li-S pouch cells is the first major step in the commercial evaluation of lithium-sulfur batteries by leading US and European automakers. Get started here. –
Sulfur-carbon nanofiber composite for solid-state Li-sulfur batteries
Green Car Congress
APRIL 13, 2020
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. 600 mA h g –1 S was maintained at 1C (1.77 mA cm –2 ). —Phuc et al.
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Lyten opens first automated battery pilot line in US to produce Li-sulfur batteries
Green Car Congress
JUNE 15, 2023
developer of the Lyten 3D Graphene decarbonization supermaterials platform, commissioned its Lithium-Sulfur battery pilot line at its facility in Silicon Valley. The pilot line will deliver cells that exceed conventional Nickel-Cobalt-Manganese (NMC) lithium-ion battery gravimetric energy densities. Lyten, Inc., Earlier post.)
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Stanford team develops new approach to overcoming capacity fading in Lithium-sulfur batteries
Green Car Congress
FEBRUARY 15, 2013
Electrochemical performance of the modified hollow carbon nanofiber cathode. (a) a) Specific capacities of the PVP modified sulfur cathode at C/5, C/2 and 1C cycling rates. (b) Lithium sulfur batteries are of great interest due to their high specific energy and relatively low cost (e.g., Credit: ACS, Zheng et al.
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Progress with Lithium-sulfur battery technology
Green Car Congress
JUNE 3, 2012
Researchers from Hanyang University in Korea and the University of Rome Sapienza (Italy) have developed a lithium-sulfur battery employing a high-performance mesoporous hard carbon spherules-sulfur cathode and a stable, highly conducting electrolyte. 2012), An Advanced Lithium-Sulfur Battery. Hassoun, J.
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ORNL team demonstrates high-performance lithium-sulfur battery with nitrogen-doped carbon/sulfur cathode and ionic liquid electrolyte
Green Car Congress
JULY 31, 2012
Researchers at Oak Ridge National Laboratory have developed a high-performance lithium-sulfur battery using. nitrogen-doped mesoporous carbon (NC) and sulfur to prepare a composite cathode and an ionic-liquid electrolyte of 0.5?m Their study is published in the journal ChemSusChem. —Sun et al. and Dai, S.
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China team develops new high-performance cathode for Li-sulfur batteries
Green Car Congress
APRIL 19, 2020
Jian Liu and Prof.Zhongshuai Wu from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences have developed Fe 1-x S-decorated mesoporous carbon spheres as a cathode material for lithium-sulfur batteries. 1 ), and enhanced adsorption and electrocatalytic transition toward lithium polysulfides (LiPs).
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Cornell spin-off lithium-sulfur battery company NOHMs to locate in Lexington, KY
Green Car Congress
SEPTEMBER 7, 2013
Kentucky Governor Steve Beshear announced that start-up lithium-sulfur battery company NOHMs (Nano Organic Hybrid Materials) Technologies Inc. has selected to locate its research, manufacturing and product development facility for military, cell phone and electric vehicle lithium-ion batteries in Lexington. Source: NOHMs.
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Drexel team develops stable Li-S battery with carbonate electrolyte
Green Car Congress
FEBRUARY 14, 2022
sulfur phase within carbon nanofibers that enables successful operation of Lithium-Sulfur (Li-S) batteries in carbonate electrolyte for 4000 cycles. Carbonates are known to adversely react with the intermediate polysulfides and shut down Li-S batteries in first discharge. —Pai et al.
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Silica-based cathode enables long-life Li-S batteries
Green Car Congress
JUNE 7, 2020
Scientists from the Daegu Gyeongbuk Institute of Science and Technology, Korea, have developed a novel silica-based cathode for lithium–sulfur batteries, thereby enabling the realization of batteries that can last for more than 2,000 charge/discharge cycles. However, carbon-based hosts cannot trap LiPS. —Prof Yu.
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Uppsala U team identifies main performance bottlenecks in Li-sulfur battery performance
Green Car Congress
MARCH 28, 2022
Lithium-sulfur batteries are prospects for future batteries as they are made from cheaper and more environmentally friendly materials than lithium-ion batteries. A comprehensive description of electrochemical processes in the positive electrode of lithium-sulfur batteries is crucial for the utilization of active material.
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Novel solid-phase transformation enables high-energy Li-S batteries in conventional Li-ion electrolyte
Green Car Congress
NOVEMBER 26, 2018
Researchers from Western University, Canadian Light Source, and the Chinese Academy of Sciences have proposed a novel solid-phase Li-S transformation mechanism that enables high energy Li-S batteries in conventional Li-ion carbonate electrolytes. Schematic of a lithium sulfur battery in carbonate-based electrolyte.
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China team devises boron-doped carbon-sulfur aerogel with consecutive core-shell structures for high-capacity, long-life Li-S battery
Green Car Congress
DECEMBER 21, 2018
Researchers at Jiangsu Normal University in China have devised a boron-doped carbon-sulfur (BCS) aerogel with consecutive “core-shell” stuctures as a binder-free cathode for lithium-sulfur batteries. Good porous structures of BCS aerogel can provide sufficient space for the expansion of active sulfur.
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GIST team uses cobalt oxalate catalyst to improve Li–sulfur battery life
Green Car Congress
FEBRUARY 24, 2021
Scientists from Gwangju Institute of Science and Technology (GIST), Korea, have found that a new catalyst material can improve lithium–sulfur battery life significantly. In this approach, a carbon layer is placed directly on the conventional sulfur cathode. times the level of conventional lithium-sulfur batteries.
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337 Sulfur-loaded carbon aerogel as cathode for Li-S battery offers improved cyclic stability
Green Car Congress
OCTOBER 10, 2016
Researchers at South China Normal University in Guangzhou have developed a novel composite of sulfur loaded in micropore-rich carbon aerogel (CA-S) for use as a cathode in Li-sulfur batteries. These issues limit the practical application of lithium-sulfur battery. —Li et al. Click to enlarge.
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Li-S Energy, Janus Electric to collaborate on Li-S and/or Li-metal cells for swappable prime mover packs
Green Car Congress
NOVEMBER 27, 2021
Australia-based Li-S Energy has entered into an agreement with Janus Electric to develop and to test lithium sulfur and/or lithium-metal battery cells to suit the requirements of the Janus Electric exchangeable prime mover battery packs.
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Waterloo researchers use MgB2 as Li-S battery cathode host to improve performance
Green Car Congress
NOVEMBER 5, 2018
Lithium-sulfur (Li-S) batteries, despite their high theoretical specific energy, face practical challenges including polysulfide shuttling and low cell-level energy density. The surface-mediated polysulfide redox behavior results in a much higher exchange current in comparison with MgO and carbon. 2018.09.024.
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304 Graphene oxide-sulfur (GO-S) nanocomposite cathodes for high-capacity, stable cycling lithium sulfur batteries
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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OXIS Energy Li-S cells close to achieving 500Wh/kg; targeting 600Wh/kg with solid-state Li-S technology
Green Car Congress
JANUARY 22, 2020
OXIS Energy has successfully tested its Lithium-sulfur (Li-S) battery cell prototypes at 471Wh/kg and is confident of achieving 500Wh/kg in the next 12 months. OXIS has also successfully developed a standard Li-S battery module that saves production time and cost.
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Fraunhofer leading “MaSSiF” research project on solid-state sulfur-silicon batteries
Green Car Congress
APRIL 26, 2023
Fraunhofer IFAM develops optimized separators for the lithium-sulfur battery cell based on the researched solid electrolytes. AMG Lithium GmbH develops and produces sulfidic solid electrolytes and supplies novel cathode active materials based on lithium sulfide.
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New hybrid carbon/sulfur cathode material enables high-energy, high-power Li-sulfur battery; “matching the level of engine-driven systems”
Green Car Congress
MAY 16, 2014
Researchers at Tsinghua University have combined two types of carbon materials to create a new composite sulfur cathode material for a high-energy and high-power lithium-sulfur battery. Carbon atoms have six electrons: two are in 1s states, and four are valence electrons, occupying the 2s and 2p orbitals.
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210 Battery start-up Theion unveils Li-S “Crystal Battery” for mobile applications
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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Graphene sheet-sulfur/carbon composite cathode for higher performance Li-sulfur batteries
Green Car Congress
DECEMBER 16, 2014
Vasant Kumar at the University of Cambridge and Professor Renjie Chen at the Beijing Institute of Technology has devised a three-dimensional hierarchical sandwich-type graphene sheet-sulfur/carbon (GS-S/C ZIF8-D ) composite to address performance-related issues in Lithium-sulfur batteries such as low efficiency and capacity degradation.
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SJTU team develops fumed alumina gel-like electrolyte to boost performance of Li-S batteries
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. An open-access paper on their work is published in the RSC journal Chemical Communications. after 300 cycles and 76.5%
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BIT researchers use high energy density material in electrode to enhance Li-S battery performance
Green Car Congress
SEPTEMBER 30, 2019
To develop higher capacity batteries, researchers have looked to lithium-sulfur batteries because of sulfur’s high theoretical capacity and energy density. It also consumes fresh lithium and electrolytes, and reduces battery performance.
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Purdue engineers use upcycled plastic to boost performance and lifespan of Li-S batteries
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. —Kim et al.
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Sulfur-rich organic cathode material for high-performance Li-S batteries
Green Car Congress
MAY 20, 2019
Researchers at Beihang University in Beijing have developed a linear molecule sulfur-rich organic material as sulfur cathode for a lithium-sulfur battery. The tetramethylthiuram disulfide-sulfur (TMTD-S) cathode material delivers an initial capacity of 685?mAh 1 at 0.2C (1?C?=?1061?mAh 1 after 200 cycles.
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Nitrogen-doped porous hollow carbon sphere-decorated separators enhance performance of Li-S batteries
Green Car Congress
SEPTEMBER 28, 2015
Researchers from Central South University in Changsha, China, have developed a separator with a nitrogen-doped porous hollow carbon sphere (NHC) coating for use in Li-S batteries. They prepared the nitrogen-doped porous hollow carbon spheres by pyrolysis of a polydopamine (PDA) carbon precursor on the surface of silicon dioxide (SiO 2 ).
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Cornell study examines trade-off between critical metals requirement and transportation decarbonization
Green Car Congress
APRIL 17, 2023
Decarbonization targets for road transportation should be coupled with electric vehicle deployment, the timing of carbon peak and neutrality, and accurate emission budgets. Zhang et al. Monotonic growth in global demand for critical metals to 2050 is the most prevalent trend. The research was supported by the National Science Foundation.
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Rice University team develops new nanocomposite material for Li-sulfur battery cathode with high cycling stability
Green Car Congress
AUGUST 26, 2014
The composite shows good rate performance and excellent cycling stability for use as a cathode material in Lithium-sulfur batteries. Another approach is to protect the anode to reduce the sulfur shuttle effect, and thereby extend cycling life.
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246 Stanford team develops new ultrahigh surface area 3D porous graphitic carbon material for improved energy storage
Green Car Congress
JUNE 1, 2015
Stanford University scientists have created a new ultrahigh surface area three-dimensional porous graphitic carbon material that significantly boosts the performance of energy-storage technologies. The maximum surface area achieved with conventional activated carbon is about 3,000 m 2 g –1. cm –3 ), and hierarchical pore architecture.
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Fraunhofer holding 3rd annual workshop on Li-sulfur batteries in November
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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Fraunhofer researchers report significant extension to Li-S cycle life with silicon anodes and CNT-sulfur composite cathodes
Green Car Congress
APRIL 2, 2013
Lithium-sulfur batteries are of great interest for electromobility applications, among others, due to their high specific energy and relatively low cost, but are challenged by significant capacity decay over cycling. In the lithium-sulfur model, the cathode is composed of elemental sulfur. Earlier post.)
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255 GM researchers demonstrate hierarchical electrode architectures for high energy lithium-chalcogen rechargeable batteries
Green Car Congress
DECEMBER 17, 2018
Lithium-chalcogen batteries—e.g., lithium-sulfur (Li-S) and lithium selenium (Li-Se) systems— are promising candidates for high energy electrical storage solution. Elemental sulfur (S) has a theoretical specific capacity of 1670 mAh/g, while Selenium (Se) has a theoretical specific capacity of 675 mAh/g.
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Log9 Materials and Zeta Energy partner for advanced battery systems – ET Auto
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.
PANI-coated sulfur-carbon nanotube composite shows long cycle life for high-capacity Li-S batteries
Green Car Congress
MARCH 14, 2015
Researchers from Hanyang University in Korea and the University of Maryland have developed a sulfur-carbon nanotube (S/SWNT) composite coated with polyaniline (PANI) polymer as polysulfide block to achieve high sulfur utilization, high Coulombic efficiency, and long cycle life in Li-Sulfur batteries. Batteries'
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Cornell team uses ice-templating to synthesize porous carbon for high performance electrodes for Li-S batteries
Green Car Congress
AUGUST 9, 2015
A team at Cornell University has used ice-templating to synthesize hierarchical porous carbons (HPCs) with extremely high surface areas of up to 2340 m 2 g −1 with total pore volume of up to 3.8 cm 3 g −1 as supports for sulfur for electrodes in Li–S batteries. Ritu Sahore, Luis P. Estevez, Anirudh Ramanujapuram, Francis J. Deville, E.
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