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.

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

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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.

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

Drexel team proposes TiO/CNF nanofiber mats to improve Lithium-Sulfur battery performance

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Researchers in Drexel’s College of Engineering report the ability of stabilized titanium monoxide (TiO) nanoparticles in nanofibers to support high conductivity and to bind polysulfides in Li-S batteries. 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.

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

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The porous Ti 4 O 7 and carbon-coated Ti 4 O 7 particles show significantly improved electrochemical performances as cathode materials for Li–S batteries as compared with those of TiO 2 particles. Batteries Li-Sulfur

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

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 results, reported in the journal Advanced Functional Materials , demonstrate that the battery cycles with very high capacity—on the order of 750 mAh g ?1 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., The battery was discharged at C/5 current rate to 1.7

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.

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

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. ORNL’s proof-of-concept battery research has demonstrated the technology’s potential to improve power, operating temperature, manufacturability and cost as well. 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. However, there are a number of challenges in Li/S batteries, Ji et al.

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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S batteries, without intricate synthesis or application of a high charging cut-off voltage that deteriorates the electrolyte stability and safety. S batteries with a Li S cathode. 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 S batteries.

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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.

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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Numbers in parentheses are the specific energy of a battery made of the cathode and a silicon anode with a specific capacity of 2000 mAh/g and potential of 0.45 Subsequent cycling showed that the material behaves similar to common sulfur cathodes with high energy efficiency. Batteries

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.

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.

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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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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

2019 109

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

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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. Batteries Li-Sulfur

2018 110

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

2019 100

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.

2017 85

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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ALISE includes the development of the key components of the cell—anode, cathode and electrolyte—and will culminate in an ultra-lightweight 17 kWh battery for a SEAT (a member of the Volkswagen Group) vehicle for testing on-track and public roads.

2015 134

OXIS Energy to build Li-sulfur battery plant in Brazil; initial capacity 2M cells/year

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OXIS Energy Ltd UK has signed a contract with CODEMGE PARTICIPACOES SA, a public company incorporated in the city of Belo Horizonte in the state of Minas Gerais, Brazil, to establish the world’s first digital manufacturing plant for the mass production of OXIS’ lithium-sulfur cells.

2019 132

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 93

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

2018 87

KAIST team develops stable, high-rate Li-S batteries using hierarchically porous titanium nitride

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A KAIST research team has developed ultra-stable, high-rate lithium-sulfur batteries (LSBs) by using hierarchically porous titanium nitride (h-TiN) as a sulfur host. In particular, sulfur, whose theoretical capacity is 1672 mAh g ?1 Batteries Li-Sulfur

2019 143

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

2018 127

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 100

New superionic conductor could result in highest energy density solid-state batteries to date

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Scientists from Tohoku University and the High Energy Accelerator Research Organization have developed a new complex hydride lithium superionic conductor that could result in all-solid-state batteries with the highest energy density to date. Batteries Solid-state

2019 125

PolyPlus and SK enter into joint development agreement for glass-protected lithium-metal battery

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PolyPlus Battery Company a privately-held company focused on the development of the first rechargeable Li metal battery with a ionically conductive glass separator, has entered into the first stage of a joint development agreement with SK Innovation Co.

2019 101

GM researchers demonstrate hierarchical electrode architectures for high energy lithium-chalcogen rechargeable batteries

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Lithium-chalcogen batteries—e.g., lithium-sulfur (Li-S) and lithium selenium (Li-Se) systems— are promising candidates for high energy electrical storage solution. Batteries Li-Sulfur

2018 113

Nanobox strategy to improve performance of Li-S batteries

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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 1 —five times than the commercial Lithium-ion batteries—and practical energy densities of beyond 500 Wh kg ?1. The system typically uses a lithium-metal anode and sulfur cathode. S battery performance.

2018 81

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.

2015 147

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

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While incremental improvements will extend the market dominance of Li-ion batteries into the next decade, a new generation of post-Li-ion battery technologies are rising and will be worth $10 billion by 2030, according to Lux Research.

2015 90

New cathode material for Li-S batteries: sulfur-anchored azulene

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A team of researchers from China and Germany have used azulene—a benzene-free and vinyl-free molecule—to polymerize with sulfur to create a cathode material for Li-S batteries. As described in an open-access paper in the RSC journal Chemical Communications ,the polymer exhibits high sulfur content and offers longer lifetime stability compared to pure sulfur, providing new protocols to develop new cathode materials for Li-S batteries.

2019 81

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.

2018 95

China team devises boron-doped carbon-sulfur aerogel with consecutive core-shell structures for high-capacity, long-life Li-S battery

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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. mAh/cm 2 was realized due to the areal sulfur loading of 13.5

2018 101