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

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

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

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 Batteries Li-Sulfur' An open access paper on the work is published in the journal APL Materials. Click to enlarge.

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Carbon Li-ion Lithium Sulfur Batteries 218

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 ? The paper’s co-authors include Arnd Garsuch and Thomas Weiss of BASF.

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Lithium Sulfur Li-ion Lithium Ion Batteries 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

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. They evaluated the synthesized material as cathode materials in a half-cell lithium battery. Click to enlarge.

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Li-ion Lithium Ion Batteries Battery 257

Green Car Congress

APRIL 30, 2010

The US Department of Energy is awarding $106 million in funding for 37 research projects selected in the second round by the DOE’s Advanced Research Projects Agency-Energy (ARPA-E). NC State University. Medical University of South Carolina. Columbia University. Earlier post.). Earlier post.) of Georgia).

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Carbon Batteries Battery Li-ion 249

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

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. 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

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). Li ions carry a single positive charge. Both of these have a two-plus charge. (Mg Earlier post.)

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Li-ion Grid Lithium Ion Batteries 150