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.
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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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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. Battery delivery will be used to support testing, qualification and initial commercialization across the sectors. Lyten, Inc., Earlier post.)
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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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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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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.
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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. Copyright Toyohashi University Of Technology. —Phuc et al.
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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 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.
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. This further causes low capacity and stability of lithium-sulfur batteries.
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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. The battery samples are being manufactured on Lyten’s semi-automated pilot line in San Jose, California, which opened in May 2023.
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, using sulfur in batteries is tricky for two reasons.
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Fraunhofer leading “MaSSiF” research project on solid-state sulfur-silicon batteries
Green Car Congress
APRIL 26, 2023
The Fraunhofer Institute for Material and Beam Technology IWS in Dresden is leading a research project targeting a new generation of sulfur-based batteries. The combination with sulfur as the cathode active material holds particular promise. However, the anode poses major challenges in the battery's processing and operation.
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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.
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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. Results indicate that precipitates grow mostly in number, not in size, and that the structure of the carbon matrix is not affected.
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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.
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246 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. A proprietary solid-state polymer electrolyte operates in the voids of the sulfur wafer.
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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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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. To improve battery life, scientists have been looking for catalysts that can make this degradation efficiently reversible during use. Capacity Lithium?Sulfur
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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. These problems result in low specific capacity and poor cycling life of Li-S batteries.
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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 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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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. —Lei et al.
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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. Credit: Xing Gao, Siwu Li, Ying Du and Bo Wang.
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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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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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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.
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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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218 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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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 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. However, in order to achieve competitive energy density compared to current Li-ion batteries (i.e. > Scheme of SPC synthesis route.
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Cornell study examines trade-off between critical metals requirement and transportation decarbonization
Green Car Congress
APRIL 17, 2023
b) Region-specific/vehicle-specific/battery-specific cumulative (from 2010 to 2050) demand for critical metals and the cumulative potential secondary production from recycling. (c) c) Sensitivity of cumulative requirement under different battery scenarios. Recycling w/2nd” denotes retired batteries reused as ESSs before recycling.
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Fraunhofer develops new dry-coating process for battery electrodes
Green Car Congress
SEPTEMBER 5, 2021
Conventional processes for manufacturing battery electrodes involve mostly toxic solvents and require a lot of space and energy. DRYtraec thus is a promising solution developed by an interdisciplinary research team at Fraunhofer IWS in Dresden that focuses on the production of the battery electrodes.
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Nanobox strategy to improve performance of Li-S batteries
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. Li–S batteries theoretically offer a specific energy density of 2600 Wh kg ?1 The system typically uses a lithium-metal anode and sulfur cathode.
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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. Log9 has an impressive record of bringing world-leading battery technology to market.
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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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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Tesla considers new partnership for battery materials
Teslarati
SEPTEMBER 13, 2023
It appears that Tesla is considering Chinese battery components manufacturer Sunrise New Energy as a potential supplier, according to a new report. Sunrise New Energy said on Wednesday that Tesla has expressed interest in the manufacturer’s battery component products, as reported by Reuters. billion as soon as mid-2024.
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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. The NHC-decorated separator enormously improves the utilization of active material and enhances electrochemical performance. 2015.09.067.
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150 UT Dallas researchers use 2D MoS2 as protective layer for Li-metal anodes in Li-S batteries; extended cycle life
Green Car Congress
MARCH 28, 2018
Researchers at The University of Texas at Dallas have used two-dimensional (2D) MoS 2 (molybdenum disulfide) as a protective layer for Li-metal anodes, greatly improving the performances of Li–S batteries. This approach, they suggested, could lead to the realization of high energy density and safe Li-metal-based batteries. Chae et al.
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