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.

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Lithium Sulfur Batteries Battery Engine 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

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.

Carbon 150

Carbon Li-ion Lithium Sulfur Transportation 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

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.

Lithium Sulfur 225

Lithium Sulfur Li-ion 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

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

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

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 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

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

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 Batteries Battery Li-ion 249

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

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

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.

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Batteries Battery Lithium Sulfur Carbon 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. Despite the theoretical promise of Li-sulfur batteries (energy density of 2567 Wh kg ?1 Batteries Graphene Li-Sulfur'

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Li-ion Batteries Battery Lithium Sulfur 150

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 ). Li-S batteries face a number of commercialization challenges, including electrolyte-soluble polysulfides. Demir-Cakan et al. Click to enlarge.

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Li-ion Building Batteries Battery 218

Green Car Congress

FEBRUARY 11, 2012

The introduction of hydrogen into the engine virtually eliminates fuel emissions while greatly reducing the emissions of hydrocarbons and carbon monoxide. In 2007, Vorbeck signed a worldwide license agreement with Princeton University for a patented method from the the Aksay Labs for manufacturing graphene at commercial scale.

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Hydrogen Engine Energy Batteries 279

Green Car Congress

AUGUST 10, 2011

Light-weighting materials : Five projects awarded to accelerate commercial availability of lighter weight vehicles using advanced materials that dramatically reduce vehicle weight while maintaining the highest safety standards. Increased availability of low cost carbon fiber can enable vehicle weight reduction and improvement in fuel economy.

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Carbon Fiber Lithium Ion Li-ion Vehicles 268

Green Car Congress

MAY 28, 2015

Small businesses that win awards in these programs keep the rights to any technology developed and are encouraged to commercialize the technology. While the original charter of the program focused on technological innovation, the current programs have evolved to have a greater focus on commercialization. Organization. Description.

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Li-ion Battery Powered Engine Lithium Ion 150

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

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

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

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

DECEMBER 4, 2013

carbon composite as cathodes in ether-based electrolyte. 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.

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Li-ion Energy Lithium Ion Lithium Sulfur 225