Graphene oxide aerogel helps lithium-sulfur batteries reach new potential

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Researchers at Chalmers University of Technology, Sweden, have developed a free-standing reduced graphene oxide (r-GO) aerogel for use as a supporting electrode for the electrochemical redox reaction of sulfur in a catholyte-based lithium-sulfur battery.

Researchers say energy-dense lithium-sulfur batteries may double EV range

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Researchers in Australia say that advancements made in cathode durability could make lithium-sulfur batteries a reality for electric vehicles soon. In both, researches say lithium-sulfur's lower weight and.

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Nissan electric crossover tech, lithium-sulfur batteries, EV cost: Today’s Car News

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And lithium-sulfur batteries could be closer to a breakthrough. Nissan’s upcoming electric crossover is taking form—and we sample some of the performance technology that might help it stand out in the market. Cost remains a big barrier against EV adoption.

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MIT: hybrid cathodes could boost energy capacity of lithium-sulfur batteries

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Researchers at MIT and in China are proposing a new class of dense intercalation-conversion hybrid cathodes by combining intercalation-type Mo 6 S 8 with conversion-type sulfur (HMSC) to realize a Li–S full cell. Batteries Li-Sulfur

Researchers develop MOF membrane coating to prolong lithium–sulfur battery life

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Although rechargeable lithiumsulfur (Li–S) batteries promise high energy density storage—particularly attractive for electric vehicle applications—the technology is currently limited by the shuttling polysulfides between the battery’s electrodes. Batteries Li-Sulfur

€7.9M Lithium Sulfur for Safe Road Electrification project launches in Europe in January

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The €7.9-million (US$8.9-million), 43-month Lithium Sulfur for Safe Road Electrification (LISA) project will launch 1 January 2019 in Europe. The overall goal is to design and manufacture a lithium-sulfur technology that will enable safe electrification of EV applications. Li-Sulfur is a promising alternative to Li-ion—free of critical raw material (CRM) and non-limited in capacity and energy by material of intercalation.

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

Advances In Lithium-Sulfur Batteries Offer Promise For Electric Cars

Green Car Reports

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.

Lithium-Sulfur Battery Lab Tests Show High Energy Density

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The month wouldn''t be complete without another battery technology breakthrough, and this time it''s the turn of lithium-sulfur technology. Researchers at the US Department of Energy’s Lawrence Berkeley National Laboratory are experimenting with a lithium-sulfur battery design with twice the specific energy of lithium-ion batteries, and a

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

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.,

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

Green Car Reports

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

Cornell spin-off lithium-sulfur battery company NOHMs to locate in Lexington, KY

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Kentucky Governor Steve Beshear announced that start-up lithium-sulfur battery company NOHMs (Nano Organic Hybrid Materials) Technologies Inc. Founded in October 2010, NOHMs Technologies has developed a battery that is based on lithium-sulfur chemistry.

ORNL, Solid Power sign exclusive license for lithium-sulfur battery technology

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have signed an exclusive agreement licensing lithium-sulfur materials for next-generation batteries. Solid Power licensed a portfolio of ORNL patents relating to lithium-sulfur compositions that will enable development of more energy-dense batteries. The battery was built with a new Oak Ridge-designed sulfur-rich cathode and a lithium anode with a solid electrolyte material, also developed at ORNL. Batteries Li-Sulfur

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.

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.

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.

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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.

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.

OXIS Energy hits 425 Wh/kg with Li-S cell,expects to achieve 450 Wh/kg by end of year

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OXIS Energy UK has achieved 425 Wh/kg on a High Energy 16Ah pouch Lithium Sulfur (Li-S) cell design for HAPS applications (High Altitude Pseudo Satellites) and expects to achieve 450Wh/kg at cell level by the end of 2018. Batteries Li-Sulfur

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Safran acquires stake in Li-Sulfur battery maker OXIS Energy; OXIS announces two JDAs

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Safran acquired an equity interest in Li-Sulfur battery manufacturer OXIS Energy ( earlier post ) through its Safran Corporate Ventures subsidiary, which invests in disruptive technology businesses. Batteries Li-Sulfur

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Novel solid-phase transformation enables high-energy Li-S batteries in conventional Li-ion electrolyte

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Schematic of a lithium sulfur battery in carbonate-based electrolyte. Alucone coating is applied to carbon–sulfur electrodes and the sulfur cathode is in cyclo-S 8 molecule format. Remarkably, the developed sulfur cathode architecture has high sulfur content (>65?wt%)

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Waterloo researchers use MgB2 as Li-S battery cathode host to improve performance

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Lithium-sulfur (Li-S) batteries, despite their high theoretical specific energy, face practical challenges including polysulfide shuttling and low cell-level energy density. Batteries Li-Sulfur

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BIT researchers use high energy density material in electrode to enhance Li-S battery performance

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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. Batteries Li-Sulfur

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Sulfur-rich organic cathode material for high-performance Li-S batteries

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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

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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

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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.

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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

New doped graphene cathode with MoS2 loading enables highly stable Li-sulfur battery

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A team at the University of Manchester (UK) has developed a doped graphene cathode for highly stable lithium-sulfur batteries. The cathode combines laser-synthesized sulfur (S) and nitrogen- (N-) doped graphene electrodes (without a binder) with molybdenum sulfide (MoS 2 ) nanoparticle loading. The soluble lithium polysulfide is the key factor of the “shuttle” effect in electrochemical reaction on the sulfur cathode. Batteries Graphene Li-Sulfur

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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

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Oxis Energy to build plant for mass production of Li-sulfur cells

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OXIS Energy will establish the first manufacturing plant for the production of electrolyte and cathode active material specifically for the mass production of lithium sulfur cells. However, it will collaborate with Codemig, a wholly owned company controlled by the State of Minas Gerais to jointly exploit lithium rock deposit for the production of world class lithium metal, which is used by OXIS for its Li-S cells. Batteries Li-Sulfur

2019 92

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.

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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.

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OXIS Energy Li-S cells close to achieving 500Wh/kg; targeting 600Wh/kg with solid-state Li-S technology

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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. Batteries Li-Sulfur Solid-state

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Sion Power projects Licerion EV Li-metal batteries will have 420 Wh/kg and 700 Wh/L when scaled to commercial design

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Sion Power, a developer of high-energy, lithium-metal rechargeable batteries, said that its Licerion EV technology will have energy capacities of 420 Wh/kg and 700 Wh/L when scaled to commercial design.

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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

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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.

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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.

SJTU team develops fumed alumina gel-like electrolyte to boost performance of Li-S batteries

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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. In addition, the gel-like electrolyte endows the cell with a potential advantage as to safety issues such as liquid leakage and short-circuit induced by lithium dendrites. Batteries Li-Sulfur

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