RPI team develops method to use paper-making by-product in lithium-sulfur batteries

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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. Batteries Li-Sulfur

2018 95

HZB team devises new Ti4O7 cathode material for Lithium-sulfur batteries

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The lithium-sulfur battery cathode does not consist of heavy metals, but instead of sulfur—an economical and widely available material. Batteries Li-Sulfur

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Progress with Lithium-sulfur battery technology

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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. The team suggests that the results may substantially contribute to the progress of the lithium-sulfur battery technology. 2012), An Advanced Lithium-Sulfur Battery.

Stanford team develops new approach to overcoming capacity fading in Lithium-sulfur batteries

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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.,

Advances In Lithium-Sulfur Batteries Offer Promise For Electric Cars

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Commercial uses of the element sulfur date back centuries, but it may be the key to a new generation of batteries with high theoretical energy density and relatively low cost. The principles of a lithium-sulfur battery have been known for decades, but practical solutions to the chemical challenges inherent in the cells remain to be found.

USC Viterbi team integrating silicon anode and sulfur-based cathode for Lithium-sulfur battery with low fabrication cost

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USC Viterbi School of Engineering professor Chongwu Zhou and his research team have developed a silicon nanoparticle anode and a sulfur-based cathode with low fabrication cost and high electrode performance for rechargeable lithium-sulfur batteries. sulfur (Li?S)

Graphene oxide-sulfur (GO-S) nanocomposite cathodes for high-capacity, stable cycling lithium sulfur batteries

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The team used a chemical approach to immobilize sulfur and lithium polysulfides via the reactive functional groups on graphene oxide. In addition, sulfur is also inexpensive, abundant, and nontoxic. note in their paper: The high electrical resistivity of elemental sulfur; and.

Lithium-Sulfur Batteries, Tesla P85D Vs Dodge Hellcat Rematch, Fossil-Fuel Agitprop: Today's Car News

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Today on Green Car Reports: lithium-sulfur batteries hold promise for electric cars, a Dodge Challenger Hellcat driver recovers from his loss to a Tesla Model S P85D, and a new video compares fossil fuels to your girlfriend. See why advances in lithium-sulfur batteries could offer promise for electric cars

DOE EERE awards $5M to Penn State-led project to develop Lithium-sulfur battery technology

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The UA Department of Energy’s Office of Energy Efficiency and Renewable Energy (DOE EERE) has awarded a $5-million, three-year grant to a project led by Penn State to develop a lithium-sulfur (Li-S) battery with a volumetric energy capacity of 600 Wh/liter. The research team plans to include a nanocomposite sulfur cathode and lithium-rich composite anode material.

U Texas Austin team finds P2S5 electrolyte additive enables use of Li2S bulk particles for high-capacity cathodes in lithium-sulfur batteries; ~800 mAh/g

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In a paper published in the ACS Journal of Physical Chemistry Letters , the team suggested that this strategy is both of significance for the safe and effective use of Li 2 S as a cathode material and as a promising step toward the low-cost fabrication of metallic-lithium-free Li?S While Lithium-sulfur (Li-S) batteries offer the promise of a high theoretical energy of ?2500 Researchers at the University of Texas at Austin, led by Prof.

BASF and Sion Power to Collaborate on Lithium Sulfur Battery Technology; Targeting EV Market

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Sion Power Corporation and BASF SE have signed a Joint Development Agreement (JDA) to accelerate the commercialization of Sion Power’s proprietary lithium-sulfur (Li-S) battery technology for the electric vehicle (EV) market and other high-energy applications.

ORNL team demonstrates high-performance lithium-sulfur battery with nitrogen-doped carbon/sulfur cathode and ionic liquid electrolyte

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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 m lithium bis(trifluoromethane sulfonyl)imide (LiTFSI) in methylpropylpyrrolidinium bis(trifluoromethane sulfonyl)imide ([MPPY][TFSI]). 2012), LithiumSulfur Batteries Based on Nitrogen-Doped Carbon and an Ionic-Liquid Electrolyte.

Sion Power Receives $800K DOE Grant to Enhance Lithium Sulfur Batteries

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A lithium-sulfur cell. Sion Power Corporation has received a three-year, $800,000 research grant from the US Department of Energy (DOE) to support Sion’s ongoing work to develop a new class of electrolytes used in lithium sulfur (Li-S) batteries for electric vehicle (EV) applications. The project objective is to increase performance of very-high-energy lithium metal anodes used in rechargeable battery systems. Lithium-sulfur batteries.

Stanford team develops method enabling use of lithium sulfide as cathode material for high specific energy batteries; a simpler approach rivaling lithium sulfur

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A team of Researchers at Stanford University and SLAC National Accelerator Laboratory, led by Stanford’s Dr. Yi Cui, has developed a simple and scalable approach to utilizing Li 2 S (lithium sulfide) as the cathode material for rechargeable lithium-ion batteries with high specific energy.

Graphene microsheet/sulfur cathodes for Li-S batteries deliver long-term cyclability and high coulombic efficiency

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A team in China has used graphene microsheets (GMs)—prepared from microcrystalline graphite minerals by an electrochemical & mechanical approach—as a special conductive support for sulfur for the cathode of a lithium-sulfur battery. Batteries Graphene Li-Sulfur

2017 85

USC team uses mixed conduction membranes to suppress polysulfide shuttle in Li-S batteries

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One of the major issues hobbling the commercialization of high energy-density lithium-sulfur batteries is the “polysulfide shuttle”—the shuttling of polysulfide ions between the cathode and anode. Batteries Li-Sulfur

2017 95

Lux projects beyond Li-ion batteries to be worth $10B in 2030

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Next-generation batteries will see explosive growth after 2030: Lithium-sulfur will jump from $6 billion in 2030 to $29 billion in 2035, while solid-state batteries will climb from $3 billion to $42 billion over the same period.

2015 90

Sulfur-loaded carbon aerogel as cathode for Li-S battery offers improved cyclic stability

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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.

2016 102

Berkeley Lab team designs active polyelectrolyte binder that allows for a doubling in capacity of conventional Li-sulfur battery

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The new polymer binder allows a doubling in capacity compared to a conventional lithium-sulfur battery, even after more than 100 charge cycles at high current densities. In all cases, the composite sulfur electrode was cast onto an aluminum current collector. Batteries Li-Sulfu

2018 95

EU launches $7.6M ALISE to develop Li-sulfur batteries for plug-ins; targeting stable 500 Wh/kg cell by 2019

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The largest single funding award to the 15 participating partners goes to UK-based Li-S battery company OXIS Energy (€953,025 / US$1,050,000), which has already achieved 325 Wh/kg with its Li-sulfur technology. Batteries Electric (Battery) Li-Sulfur

2015 110

Researchers show simple addition of quartz powder to Li-S electrolyte slows capacity loss

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Materials researchers of the Paul Scherrer Institute PSI in Switzerland have, in collaboration with the Université Grenoble Alpes (France), developed a simple method that can improve the performance of lithium-sulfur batteries by 25-30%. Batteries Li-Sulfur

2017 78

Tsinghua team explores strategies to reduce Li-S battery self-discharge

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Researchers at Tsinghua University (China) report in a paper in ChemSusChem on their use of both lithium anode passivation and polysulfide anion diffusion suppression strategies to reduce self-discharge of the lithiumsulfur cell. The self-discharge of a lithiumsulfur cell decreases the shelf-life of the battery and is one of the bottlenecks that hinders its practical applications.

2015 65

Oxis Energy polymer Li-S pouch cell surpasses 450 cycles

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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. A lithium-sulfur couple has theoretical specific energy in excess of 2,700Wh/kg.

UT Dallas researchers use 2D MoS2 as protective layer for Li-metal anodes in Li-S batteries; extended cycle life

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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.

2018 97

Purdue engineers use upcycled plastic to boost performance and lifespan of Li-S batteries

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Purdue engineers have used upcycled low-density polyethylene (LDPE) plastic to boost the lifespan of lithium-sulfur batteries. When a PSC layer was utilized as an interlayer in lithiumsulfur batteries, the sulfur cathode delivered an improved capacity of 776 mAh g –1 at 0.5C However, systemic problems of lithium sulfur (Li-S) batteries are associated with polysulfide shuttling effect and poor Coulombic efficiency. Batteries Li-Sulfur

2018 69

Fraunhofer holding 3rd annual workshop on Li-sulfur batteries in November

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Fraunhofer IWS in Dresden, Germany will hold its 3rd annual workshop on Lithium-sulfur batteries from 12-13 November 2014. Fraunhofer says that Lithium-sulfur batteries are the most promising choice for future energy storage systems, with novel materials such as nanostructured carbon/sulfur composite cathodes, solid electrolytes and alloy-based anodes expected to enhance significantly the cell’s performance.

New Li-S battery shows cycle performance comparable to that of Li-ion batteries along with more than double the energy density

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A team of researchers in South Korea and Italy has demonstrated a highly reliable lithiumsulfur battery showing cycle performance comparable to that of commercially available lithium-ion batteries while offering more than double the energy density. Batteries Li-Sulfur

2015 116

Li-S company Sion Power raises $ 50M

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Lithium-sulfur battery company Sion Power recently reported to the US Securities and Exchange Commission (SEC) that it raised $50 million in equity sold to undisclosed investors. Lithium-Sulfur Batteries. Lithium-sulfur battery.

UT Austin team uses polypyrrole-MnO2 coaxial nanotubes as sulfur host to improve performance of Li?sulfur battery

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Researchers at the University of Texas at Austin have developed a novel electrode for lithium-sulfur batteries that improves cyclic stability and rate capability significantly. In this work, we designed PPy-MnO 2 coaxial nanotubes to accommodate sulfur. …

2016 115

Fraunhofer researchers report significant extension to Li-S cycle life with silicon anodes and CNT-sulfur composite cathodes

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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. Scientists at the Fraunhofer Institute for Material and Beam Technology IWS in Dresden, Germany say they have developed new cathode and anode designs for lithium-sulfur batteries that can increase the cycle life by a factor of seven.

New ionic liquid-based electrolyte with binary lithium salts improves Li-S battery performance

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The new electrolyte contains N-methoxyethyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)-imide (Pyr1,2O1TFSI) and tri(ethylene glycol)dimethyl ether (TEGDME) in mass ratio of 7:3, with a lithium bis(trifluoromethanesulfonyl)imide (LiTFSI, 0.84 mol kg −1 as the binary lithium salt.

2015 85

Li-S battery company OXIS Energy receives 2014 European Frost & Sullivan Award for Technology Innovation

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Consultancy Frost &Sullivan has selected UK-based lithium-sulfur battery developer OXIS Energy to receive the 2014 European Frost & Sullivan Award for Technology Innovation. OXIS Energy has developed a lithium-sulfur battery technology that resolves some of the issues in the batteries currently used in military, automotive, and solar energy storage applications. Additionally, OXIS Energy’s lithium-sulfur battery has long lifecycles. Batteries Li-Sulfur

2014 60

Tsinghua team uses ultrathin MoS2/CNT interlayers to trap polysulfides in and improve performance of Li-S batteries

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Researchers at Tsinghua University in China have used ultrathin and lightweight molybdenum sulfide (MoS 2 )/carbon nanotube (CNT) interlayers to trap polysulfides in high-performance lithiumsulfur (Li–S) batteries. Batteries Li-Sulfur

2018 90

Report: GS Yuasa to produce new Li-ion batteries by 2020 that double range of small EVs

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The Nikkei reports that by 2020, Japan’s GS Yuasa will begin mass producing lithium-ion batteries that double the driving range of small electric vehicles. Lithium Energy Japan, a joint venture with trading house Mitsubishi Corp. GS Yuasa is the world’s fourth-largest supplier of automotive lithium-ion batteries. and carmaker Mitsubishi Motors, will develop the cells, which will be produced at its plant in Shiga Prefecture and supplied to automakers in Japan and Europe.

2017 60

Rice University team develops new nanocomposite material for Li-sulfur battery cathode with high cycling stability

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Researchers at Rice University led by Dr. James Tour have developed a hierarchical nanocomposite material of graphene nanoribbons combined with polyaniline and sulfur (Sulfur-PANI-GNRs, SPG) using an inexpensive, simple method. Schematic illustration of the synthesis of SPGs.

2014 85

OXIS Energy and Lithium Balance partner on Li-sulfur battery system for China e-scooter market; targeting spring 2018

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Li-sulfur battery developer OXIS Energy UK ( earlier post ) and Lithium Balance of Denmark are partnering to build a prototype Lithium-sulfur battery system primarily for the e-scooter market in China. Lithium Balance is a battery management expert which has supplied its BMS systems for Li-ion based e-scooters for a decade. The volume of E-scooters in China is 30 million, of which 98% use lead acid with the remaining 2% using Lithium-ion.

2016 60

The BMW Group and Solid Power partner to drive solid-state battery adoption in EVs

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Solid Power technology combines a high-capacity cathode, a lithium metal anode and a high ionic conductivity solid separator. The batteries thus provide substantially higher energy than conventional lithium-ion cells (2-3X greater) while also enabling lower cost systems due to the potential for eliminating many of the costly safety features typically associated with conventional lithium-ion systems. US 20170331148 A1: Lithium all-solid-state battery.

2017 65

UMD team develops new high-performance solid-state ion-conducting membrane for Li batteries

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The researchers said that their work, published in the Proceedings of the National Academy of Sciences (PNAS), represents a significant breakthrough to enable high performance lithium batteries.

2016 95

Report: GS Yuasa developing high-capacity Li-sulfur battery, commercialization by 2020

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said it has developed a next-generation lithium-sulfur battery with three times the capacity of existing products. The battery reportedly uses sulfur as a key material in the cathode and a silicon-based anode. The company said it now aims to improve the durability of the anode , so it can commercialize the next-generation lithium-ion battery by 2020. To formulate the cathode material, GS Yuasa fills sulfur into small holes on carbon rods, the company said.

2014 60

UMD team develops new nanocomposite sulfur electrode for high-performance all-solid-state Li-S batteries

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A team at the University of Maryland have synthesized a mixed conducting nanocomposite sulfur electrode that consists of different nanoparticles with distinct properties of lithium storage capability, mechanical reinforcement, and ionic and electronic conductivities.

2016 78