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 ).

Lithium Sulfur 186

Lithium Sulfur Li-ion Batteries Battery 186

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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Lithium Sulfur Li-ion Batteries Battery 304

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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Li-ion Lithium Sulfur Batteries Battery 249

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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Lithium Sulfur Carbon Hybrid Energy 210

Green Car Congress

FEBRUARY 14, 2022

Researchers at Drexel University have stabilized a rare monoclinic ?-sulfur sulfur phase within carbon nanofibers that enables successful operation of Lithium-Sulfur (Li-S) batteries in carbonate electrolyte for 4000 cycles. sulfur and its application in Li-S batteries. —Pai et al.

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Carbon Li-ion Batteries Battery 285

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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Carbon Lithium Sulfur China Batteries 220

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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Carbon Li-ion Lithium Sulfur Batteries 218

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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Lithium Sulfur Li-ion Batteries Battery 259

Green Car Congress

APRIL 30, 2010

ARPA-E’s first solicitation awarded $151 million to 37 projects aimed at transformational innovations in energy storage, biofuels, carbon capture, renewable power, building efficiency, vehicles, and other areas. Novel Biological Conversion of Hydrogen and Carbon Dioxide Directly into Biodiesel. Earlier post.) Engineering E. per gallon.

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Carbon Li-ion Batteries Battery 249

Green Car Congress

SEPTEMBER 11, 2012

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. Credit: ACS, Yang et al.

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Lithium Sulfur Li-ion Lithium Ion Energy 218

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. MWh) by the end of 2023, with additional demand growth expected in future years.

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Lithium Sulfur Li-ion Lithium Ion Energy 243

Green Car Congress

AUGUST 22, 2013

ARPA-E’s new program, Robust Affordable Next Generation Energy Storage Systems (RANGE) ( earlier post ), aims to accelerate widespread EV adoption by dramatically improving driving range and reliability, and by providing low-cost, low-carbon alternatives to today’s vehicles. University of Houston. Princeton University.

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Lithium Ion Range Zinc Air San Diego 360

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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Lithium Sulfur Carbon Batteries Battery 150

Green Car Congress

AUGUST 5, 2011

The University of Michigan (U-M) and Shanghai Jiao Tong University (SJTU) have selected six research teams to share $1.05 The renewable energy projects are: Safe, high-performance lithium-sulfur batteries for electric vehicle applications. and Chinese governments, as well as from industry.

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Universal Energy Lithium Sulfur Batteries 218

Green Car Congress

APRIL 18, 2014

Researchers from The University of Queensland (Australia) have devised a composite cathode material for lithium-sulfur batteries: graphene-wrapped carbon nanospheres with sulfur uniformly distributed in between, in which the carbon nanospheres act as the sulfur carriers. 1 at a current rate of 0.1?C

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Lithium Sulfur Batteries Battery Carbon 199

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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Lithium Sulfur Li-ion Batteries Battery 195

Green Car Congress

MARCH 27, 2014

When no carbon black was added to the electrode mixture, a very high Li 2 S content (88 wt % Li 2 S) electrode composed of 98 wt % 1 ? Lithium/sulfur cells are seen as a promising next-generation “beyond Li-ion” technology. carbon composites; trapping of polysulfides; and electrolyte modification. Click to enlarge.

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Lithium Sulfur Li-ion Batteries Battery 225

Green Car Congress

NOVEMBER 28, 2012

The projects are based in 24 states, with approximately 47% of the projects led by universities; 29% by small businesses; 15% by large businesses; 7.5% University. Researchers from Colorado State University will develop a system. Researchers from Colorado State University will develop a system. University.

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2012 Energy Lithium Sulfur Gas-Electric 240

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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Lithium Sulfur Batteries Battery Energy Storage 220

Green Car Congress

MAY 18, 2009

The galvanostatic discharge and charge profiles of the first cycle of CMK-3 + sulfur; CMK-3/S-145; and CMK-3/S-155. While lithium-sulfur batteries use the flow of lithium ions in an electrolyte between an anode and a cathode, the way Li-S batteries store the ions is quite different. Source: Ji et al. Earlier post.).

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Lithium Sulfur Li-ion Batteries Battery 170

Green Car Congress

DECEMBER 2, 2013

Schematic showing the chemical reduction reaction of one Li 2 S 6 molecule by lithium to form six Li 2 S molecules, involving the diffusion/driving of lithium out of the graphene layers in the graphite. S chemistry batteries and potentially could become applicable in lithium metal-free Li?air, Lithium-sulfur (Li?S)

Austin 247

Austin Li-ion Lithium Sulfur Batteries 247

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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Carbon Lithium Sulfur Batteries Battery 150

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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Lithium Sulfur Batteries Battery Engine 186

Green Car Congress

SEPTEMBER 21, 2011

Schematic of design and fabrication process of hollow carbon nanofibers/sulfur composite structure. To tackle the polysulfide problem, researchers at Stanford University led by Dr. Yi Cui have developed a hollow carbon nanofiber-encapsulated sulfur cathode for effective trapping of polysulfides. Click to enlarge.

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Li-ion Carbon Batteries Battery 186

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. 1 —five times than the commercial Lithium-ion batteries—and practical energy densities of beyond 500 Wh kg ? 2018.10.032.

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Lithium Sulfur Li-ion Batteries Battery 236

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.

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Carbon Lithium Sulfur Batteries Battery 150

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.

Carbon 150

Carbon Lithium Sulfur Batteries Battery 150

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.

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Energy Storage Carbon Lithium Sulfur Energy 150

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. However, sulfur is a poor electrical conductor and can become unstable over just several charge-and-recharge cycles.

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Dallas Li-ion Lithium Sulfur Batteries 207

Green Car Congress

JUNE 21, 2015

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 lithium–sulfur cell. —Xu et al. Huang, J. -J., and Zhang, Q. 201500428.

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Lithium Sulfur Li-ion Batteries Battery 150

Green Car Congress

JANUARY 9, 2013

(b) Capacity retention of sulfur–TiO 2 yolk–shell nanostructures cycled at 0.5 C, in comparison with bare sulfur and sulfur–TiO 2 core–shell nanoparticles. The authors say that, to the best of their knowledge, this is the first time that a lithium–sulfur battery with this level of performance has been described.

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Lithium Sulfur Batteries Battery Energy Storage 231

Green Car Congress

JULY 29, 2021

The US Department of Energy (DOE) is awarding $60 million to 24 research and development projects aimed at reducing carbon dioxide emissions from passenger cars and light- and heavy-duty trucks. (DE-FOA-0002420) SUNY University @ Stony Brook. AOI 1b: Liquid Electrolytes for Lithium-Sulfur (Li-S) Cells. . Giner, Inc.

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Li-ion Emissions Lithium Sulfur Lithium Ion 186

Green Car Congress

FEBRUARY 26, 2010

The new battery combines a Li 2 S/mesoporous carbon composite cathode and a silicon nanowire anode. The lithium/sulfur system, which during the redox process behaves according to the reaction 2Li + S ? CMK-3 carbon is made up of hexagonally arranged 7-8 nm thick carbon nanorods separated by 3-4 nm pores.

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Li-ion Recharge Lithium Sulfur Energy 199

Green Car Congress

JULY 2, 2011

Schematic of the synthesis steps for a graphene-sulfur composite material, with a proposed schematic structure of the composite. Researchers at Stanford University led by Drs. However, it remains challenging to retain high and stable capacity of sulfur cathodes over more than 100 cycles.In Credit: ACS, Wang et al.

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Li-ion Energy Batteries Battery 239

Green Car Congress

MAY 16, 2016

Researchers from Hunan University and Changsha University in China have designed 3D hierarchical porous nitrogen-doped aligned carbon nanotubes (HPNACNTs) with well-directed 1D conductive electron paths as scaffold to load sulfur for use as a high-performance cathode in Li-S batteries. —Deng et al. 2016.05.024.

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Carbon Li-ion Lithium Sulfur Transportation 150

Green Car Congress

NOVEMBER 22, 2011

optioned a PNNL-developed method for building titanium oxide and carbon structures that greatly improve the performance of lithium-ion batteries. The new material stores twice as much electricity at high charge/discharge rates as current lithium ion batteries, and creates increased battery capacity and a longer cycle life.

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America Building Fuel Batteries 240

Green Car Congress

DECEMBER 31, 2012

Researchers at Cornell University are proposing a new scheme for cathodes for lithium-sulfide batteries ( earlier post ) to prevent lithium polysulfide dissolution and shuttling during electrochemical cycling. polyacrylonitrile), to control the distribution of lithium sulfide in the host material. Credit: ACS, Guo et al.

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Li-ion Lithium Ion Batteries Battery 257