Green Car Congress

FEBRUARY 10, 2015

A team from the China University of Geosciences has taken a novel approach to stabilizing Lithium-sulfur batteries by functionalizing the carbon-sulfur cathode with DNA. Rechargeable lithium/sulfur battery promises an appealing candidate for energy storage to power portable devices and electric vehicles.

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Lithium Sulfur Batteries Battery Carbon 150

Green Car Congress

NOVEMBER 12, 2015

Researchers at Vanderbilt University have demonstrated that ultrafine sizes (∼4.5 nm, average) of iron pyrite (FeS 2 ) nanoparticles are advantageous to sustain reversible conversion reactions in sodium ion and lithium ion batteries. A paper on their work is published in the journal ACS Nano. Pint Lab / Vanderbilt) Click to enlarge.

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Li-ion Sodium Lithium Sulfur Batteries 150

Green Car Congress

NOVEMBER 20, 2013

Researchers at the US Department of Energy’s Lawrence Berkeley National Laboratory have demonstrated in the laboratory a lithium-sulfur (Li/S) battery that has more than twice the specific energy of lithium-ion batteries, and that lasts for more than 1,500 cycles of charge-discharge with minimal decay of the battery’s capacity.

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Li-ion Lithium Sulfur Energy Industrial 359

Green Car Congress

JANUARY 14, 2015

A team from the University of Waterloo in Canada and BASF has devised a successful new strategy to stabilize cathode in Li-S batteries, thereby significantly improving performance and cycle life. Linda Nazar at the University of Waterloo, showed a capacity of 1,300 ? Resources. Garsuch, T. Weiss, and L.F. Batteries'

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Lithium Sulfur Li-ion Lithium Ion Batteries 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

DECEMBER 16, 2014

Schematic of the preparation of a 3-D hierarchically structured graphene-sulfur/carbonZIF8-D composite. Lithium-sulfur batteries offer a theoretical specific energy densities approaching 2600 Wh kg ?1 An open access paper on the work is published in the journal APL Materials. Click to enlarge. —Chen et al.

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Carbon Li-ion Lithium Sulfur Batteries 218

Green Car Congress

JANUARY 7, 2015

A team from the University of Rome Sapienza has developed a rechargeable lithium-ion polymer battery based on the combination of a high capacity sulfur-carbon cathode, nanostructured Li x Sn-C anode and polysulfide-added PEO-based gel membrane. Moreover, the addition of a dissolved polysulfide (i.e.

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Li-ion Polymer Lithium Sulfur Energy 150

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 28, 2016

Researchers at Beihang University in Beijing have developed a new Li-sulfur battery using honeycomb-like sulfur copolymer uniformly distributed onto 3D graphene (3D cpS-G) networks for a cathode material and a 3D lithiated Si-G network as anode. A g-1 based on the total mass of cathode and anode). Click to enlarge.

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Batteries Battery Lithium Sulfur Carbon 150

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. Archer (2012) Lithium–Sulfur Battery Cathode Enabled by Lithium–Nitrile Interaction. Earlier post.)

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Li-ion Lithium Ion Batteries Battery 257

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. Batteries Graphene Li-Sulfur' —Li et al.

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Li-ion Batteries Battery Lithium Sulfur 150

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

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% Capturing this energy would reduce both waste. University. Researchers from Colorado State University will develop a system. University. University of.

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2012 Energy Lithium Sulfur Conversion 240

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. Future work will explore the increase of sulfur loading, as well as the optimization of the structure of the cell.

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Lithium Sulfur Carbon Hybrid Energy 210

Green Car Congress

DECEMBER 21, 2015

Berkeley Lab battery scientist Nitash Balsara, working with collaborator Joseph DeSimone of the University of North Carolina at Chapel Hill led the effort on the hybrid electrolyte. Ceramic electrolytes, on the other hand, do conduct well at room temperature but require a great deal of pressure to maintain contact with the electrodes.

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Polymer Hybrid North Carolina Batteries 150

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

In 2012, the US Department of Energy (DOE) awarded $120 million over five years to establish a new Batteries and Energy Storage Hub known as the Joint Center for Energy Storage Research (JCESR). Earlier post.) Click to enlarge. —George Crabtree. Crabtree (2015) Click to enlarge.

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