Green Car Congress

DECEMBER 14, 2019

A team at the University of Manchester (UK) has developed a doped graphene cathode for highly stable lithium-sulfur batteries. In an open access paper in the Nature journal Communications Chemistry , they report 100% charge capacity of Li-S batteries using the cathode material with 500 charge/discharge cycles at 0.5

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Lithium Sulfur Li-ion Batteries Battery 218

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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Lithium Sulfur Li-ion Batteries Battery 186

Green Car Congress

FEBRUARY 17, 2017

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. Top: Schematic of the electrochemical processes in a generic lithium-sulfur battery. C = Charge, D = Discharge.

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Lithium Sulfur Lithium Ion Li-ion Batteries 199

Drive Electric

JANUARY 17, 2022

A team of scientists from the University of Michigan (UoM) have made a battery breakthrough that could have huge implications for the future of electric vehicles. Lithium-Ion (The Present) vs Lithium-Sulfur (The Future). Currently, electric vehicles are powered by lithium-ion batteries. Up to five times more.

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Lithium Sulfur Electric Vehicles Lithium Ion Range 52

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

MAY 10, 2018

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 lithium–sulfur batteries, the sulfur cathode delivered an improved capacity of 776 mAh g –1 at 0.5C Kim, Harif D. 8b03959.

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Lithium Sulfur Batteries Battery Engine 186

Green Car Congress

SEPTEMBER 28, 2016

BioSolar’s cathode technology, which has been the primary focus of its university-led research and development efforts, is a novel conductive polymer material that leverages fast redox-reaction properties rather than conventional lithium-ion intercalation chemistry to enable rapid charge and discharge.

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Energy Lithium Ion North Carolina Lithium Sulfur 150

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. AN open-access paper on their work is published in Communications Chemistry. —Pai et al.

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Carbon Li-ion Batteries Battery 285

Green Car Congress

SEPTEMBER 5, 2019

The projects, which are expected to run over four years, address battery challenges faced by industry and leverage the UK’s research capabilities to advance scientific knowledge with the aim of commercializing new battery technologies and processes. The project’s Principal Investigator is Professor Patrick Grant of the University of Oxford.

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Energy Storage Li-ion Lithium Ion Energy 223

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

APRIL 28, 2015

PATHION is working on a derivative for Li-sulfur batteries as well as a derivative that could be applied in a sodium-ion battery. Lithium sulfur. The first PATHION presentation described the role of LiRAP in a solid-state lithium-sulfur electrolyte.

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Li-ion Sodium Lithium Sulfur Batteries 150

Green Car Congress

APRIL 13, 2015

A team of researchers in South Korea and Italy has demonstrated a highly reliable lithium–sulfur battery showing cycle performance comparable to that of commercially available lithium-ion batteries while offering more than double the energy density. Another major concern regarding the lithium?sulfur metal anode.

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Li-ion Lithium Sulfur Batteries Battery 150

Green Car Congress

JANUARY 21, 2020

Researchers at the Hong Kong University of Science and Technology have developed a high-capacity, long-life lithium-sulfur battery using a bi-functional cathode substrate for Li–S batteries made of well-distributed boron carbide nanoparticles decorated activated cotton fiber (B 4 C-ACF).

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Batteries Battery Lithium Sulfur Conversion 243

Green Car Congress

JANUARY 9, 2013

Electrochemical performance of sulfur–TiO 2 yolk–shell nanostructures. (a) a) Charge/discharge capacity and Coulombic efficiency over 1,000 cycles at 0.5 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.

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Lithium Sulfur Batteries Battery Energy Storage 231

Green Car Congress

MAY 25, 2016

Researchers from University of Western Ontario, Lawrence Berkeley National Laboratory (LBNL), and Canadian Light Sources (CLS) have developed a safe and durable high-temperature Li-sulfur battery using universal conventional carbon–sulfur (C-S) electrodes with a molecular layer deposited (MLD) alucone (aluminum oxide polymeric film) coating.

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Li-ion Lithium Sulfur Batteries Battery 170

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.

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Lithium Sulfur Li-ion Batteries Battery 170

Green Car Congress

NOVEMBER 22, 2011

Vorbeck, a manufacturer and developer of applications using its proprietary graphene material ( earlier post ), optioned the technology for use in a graphene-based electrode for lithium-air and lithium-sulfur batteries. Each year, pests cause many millions of dollars in damage to homes and commercial buildings.

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America Building Fuel Batteries 240

Green Car Congress

FEBRUARY 26, 2010

Researchers led by Dr. Yi Cui at Stanford University have demonstrated a new proof-of-concept lithium metal-free battery with high specific energy consisting of a lithium sulfide (Li 2 S)/mesoporous carbon composite cathode and a silicon (Si) nanowire anode. Credit: ACS, Yang et al. Click to enlarge. Click to enlarge.

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Li-ion Recharge Lithium Sulfur Energy 199

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. 2016.05.024.

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Carbon Li-ion Lithium Sulfur Transportation 150

Green Car Congress

OCTOBER 19, 2016

A team at the University of Michigan (U-M) has used operando video microscopy to develop a comprehensive understanding of the voltage variations observed during Li metal cycling, which is directly correlated to dendrite growth. However, the Li-metal electrodes in these next-generation batteries are especially prone to forming dendrites.

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Li-ion Lithium Sulfur Lithium Ion Batteries 150

Green Car Congress

APRIL 11, 2015

A team at Beihang University in China has synthesized cathode materials for Li-sulfur batteries consisting of vertically aligned sulfur–graphene (S-G) nanowalls on electrically conductive substrates. charge profiles at various current rates from C/8 to 8C. (e) Batteries Graphene Li-Sulfur' d) Selected discharge?charge

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Li-ion Batteries Battery Lithium Sulfur 150

Green Car Congress

AUGUST 5, 2014

A team at Stanford University led by Prof. Yi Cui recently reported in a paper in the journal ACS Nano the development of a three-dimensional (3D) electrode structure for Li-sulfur batteries that simultaneously achieves both sulfur physical encapsulation and polysulfides binding. Credit: ACS, Liang et al. Click to enlarge.

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Li-ion Batteries Battery Lithium Ion 218

Green Car Congress

APRIL 30, 2010

NC State University. Medical University of South Carolina. Columbia University. Li-Air Battery : Development Of Ultra-high Specific Energy Rechargeable Lithium/Air Batteries Based On Protected Lithium Metal Electrodes. A123 Systems, Rutgers University). of Georgia). Clemson Univ., of South Carolina).

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Carbon Batteries Battery Li-ion 249

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 Conversion 240

Green Car Congress

FEBRUARY 23, 2018

Researchers at the University of Maryland have designed a flexible lithium-ion conducting ceramic textile featuring fast lithium-ion conductors, good electrochemical stability, and scalable processing approaches to device integration for solid-state lithium metal batteries. Gong et al. Click to enlarge. Earlier post.).

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Li-ion Lithium Ion Batteries Battery 247

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. 2014) “ Hierarchical Nanostructured Carbon/Sulfur Hybrid Cathode for High-Performance Lithium-Sulfur Battery ,” IMLB 17.

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Lithium Sulfur Carbon Hybrid Energy 210

Green Car Congress

DECEMBER 4, 2013

New composite materials based on selenium (Se) sulfides used as the cathode in a rechargeable lithium-ion battery could increase Li-ion density five times, according to research carried out at the US Department of Energy’s Advanced Photon Source at Argonne National Laboratory. Recently, lithium?sulfur sulfur (Li/S) and lithium?oxygen

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Li-ion Energy Lithium Ion Lithium Sulfur 225

Green Car Congress

NOVEMBER 5, 2015

JCESR combines the R&D capabilities of five DOE national laboratories, five universities, and four private firms in an effort to achieve revolutionary advances in battery performance, with electric cars and the electricity grid as the targets. Li ions carry a single positive charge. Both of these have a two-plus charge. (Mg

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Li-ion Grid Lithium Ion Batteries 150