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

DECEMBER 18, 2017

The BMW Group is partnering with Solid Power , a developer of solid-state rechargeable batteries, in a joint effort to develop Solid Power’s solid-state batteries for electric vehicle applications. Earlier post.). Capitalizing on continued market expansion, Solid Power has experienced rapid company growth throughout the first-half of 2017.

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BMW Lithium Sulfur Power Powered 170

Green Car Congress

JULY 27, 2014

Researchers at the University of Tokyo, led by Dr. Noritaka Mizuno (“oxygen rocking”, earlier post ), in collaboration with Nippon Shokubai Co., are proposing a new sealed rechargeable battery system operating on a redox reaction between an oxide (O 2- ) and a peroxide (O 2 2- ) in the cathode. 1080 mA g ?1 Click to enlarge.

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Li-ion Recharge Batteries Battery 225

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

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

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. Yang et al. Yang et al.

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Li-ion Recharge Lithium Sulfur Energy 199

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 Click to enlarge.

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Li-ion Lithium Sulfur Batteries Battery 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

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. The approach offers a new way to introduce lithium into the cathode in Li?S Lithium-sulfur (Li?S) S batteries.

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Austin Li-ion Lithium Sulfur Batteries 247

Green Car Congress

AUGUST 22, 2013

For example, the University of California, San Diego will receive approximately $3.5 University of Houston. Advanced Aqueous Lithium-Ion Batteries. The University of Houston (UH) will develop a battery using a novel water-based, lithium-ion chemistry that makes use of sustainable, low-cost, high-energy, organic materials.

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Lithium Ion Range Zinc Air San Diego 360

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 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

MARCH 23, 2017

Researchers at Yale University developed an ultrathin functionalized dendrimer–graphene oxide composite film that can be applied to virtually any sulfur cathode in a Li-sulfur (Li-S) battery system to alleviate capacity fading over battery cycling without compromising the energy or power density of the entire battery.

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Batteries Battery Lithium Sulfur Recharge 170

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. Credit: ACS, Wang et al. Click to enlarge. Earlier post.) —Wang et al.

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Li-ion Energy Batteries Battery 239

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

JUNE 16, 2009

Topics include improved anode materials, improved mechanisms for safety and management, electrode manufacturing, and lithium-sulfur chemistry. million, project to develop hybrid nano carbon fiber/graphene platelet-based high-capacity anodes for lithium batteries. The total DOE investment for these projects is up to $10.96

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Lithium Ion North Carolina Lithium Sulfur Li-ion 150

Green Car Congress

APRIL 30, 2010

NC State University. Medical University of South Carolina. Columbia University. This novel high energy battery concept is based upon a closed loop system in which the zinc (anode), suspended as slurry in a storage tank, is transported through reaction tubes (cathode) to facilitate the discharge and recharge of the battery.

Carbon 249

Carbon Batteries Battery Li-ion 249

Green Car Congress

FEBRUARY 11, 2013

Cycling performance of the different samples (the specific capacity was calculated by using the active material mass (sulfur) of the composites, given in mA h g -1 ). Demir-Cakan et al. Click to enlarge. An open access paper on their work was recently published in the RSC journal Energy and Environmental Science.

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Li-ion Building Batteries Battery 218

Green Car Congress

SEPTEMBER 21, 2011

Unlike Li-ion batteries which use a process called intercalation to insert the ions between molecules in the electrode, Lithium-sulfur batteries rely on a multi-step redox reaction with sulfur that results in a number of stable intermediate sulfide ions. 80%) during cycling; and the insulating nature of Li 2 S.

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Li-ion Carbon Batteries Battery 186

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

MAY 28, 2015

Developing Robust all-Solid-State Li Battery with a Ceramic Electrolyte and Interfacially Engineered Lithium Metal Anode A next generation of a low cost and high energy density advanced solid state rechargeable lithium battery will be developed through the proposed project for use in the next generation of PHEV and EV rechargeable batteries.

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Li-ion Battery Powered Engine Lithium Ion 150

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

APRIL 8, 2017

Solid-state rechargeable batteries are drawing significant attention due to their increased energy density (partially enabled by the safe use of Li metal anodes), safety and reliability. 2017); Hanyang University in Korea (e.g., 2017); and the University of Texas at Austin led by Professor John Goodenough (e.g., Shin et al.

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Hyundai Li-ion Batteries Battery 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

JUNE 12, 2012

The top two awards, one of $9 million to a project led by Dow Chemical, and one of $8.999 million to a project led by PolyPlus, will fund projects tackling, respectively, the manufacturing of low-cost carbon fibers and the manufacturing of electrodes for ultra-high-energy-density lithium-sulfur, lithium-seawater and lithium-air batteries.

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Carbon Fiber Manufacturer Carbon Lithium Sulfur 210