Green Car Congress

JANUARY 19, 2018

A team of researchers led by scientists at the US Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) have designed an active polyelectrolyte binder (PEB) that actively regulates key ion transport processes within a lithium-sulfur battery, and have also shown how it functions on a molecular level.

Lithium Sulfur 199

Lithium Sulfur Polymer Design Li-ion 199

Green Car Congress

NOVEMBER 10, 2018

Researchers at Shanghai Jiao Tong University have developed a gel-like electrolyte induced by fumed alumina for dendrite-free Li deposition, lower over-potential and better cycle stability in lithium-sulfur batteries. An open-access paper on their work is published in the RSC journal Chemical Communications. after 300 cycles and 76.5%

Lithium Sulfur 259

Lithium Sulfur Li-ion Batteries Battery 259

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 ).

Lithium Sulfur 186

Lithium Sulfur Li-ion Batteries Battery 186

Green Car Congress

AUGUST 26, 2014

The composite shows good rate performance and excellent cycling stability for use as a cathode material in Lithium-sulfur batteries. Another approach is to protect the anode to reduce the sulfur shuttle effect, and thereby extend cycling life.

Lithium Sulfur 246

Lithium Sulfur Universal Batteries Battery 246

Green Car Congress

MARCH 12, 2010

Sketch of the Sn/C/CGPE/ Li 2 S/C polymer battery. The battery is formed by a Sn/C composite anode, a PEO-based gel polymer electrolyte, and a Li 2 S/C cathode. Lithium-sulfur cells are based on the electrochemical reaction: 16Li + S 8 8Li 2 S. PEO=poly(ethylene oxide). Credit: Hassoun and Scrosati. Click to enlarge.

Lithium Ion 220

Lithium Ion Polymer Lithium Sulfur Li-ion 220

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. —Kim et al.

Lithium Sulfur 186

Lithium Sulfur Batteries Battery Engine 186

Green Car Congress

JULY 5, 2019

As described in an open-access paper in the RSC journal Chemical Communications ,the polymer exhibits high sulfur content and offers longer lifetime stability compared to pure sulfur, providing new protocols to develop new cathode materials for Li-S batteries. Cycling performance of Az-S and pure sulfur at 0.3 Chen et al.

Polymer 236

Polymer Batteries Battery Lithium Sulfur 236

Green Car Congress

JUNE 1, 2015

Stanford University scientists have created a new ultrahigh surface area three-dimensional porous graphitic carbon material that significantly boosts the performance of energy-storage technologies. The maximum surface area achieved with conventional activated carbon is about 3,000 m 2 g –1. cm –3 ), and hierarchical pore architecture.

Energy Storage 150

Energy Storage Carbon Lithium Sulfur Energy 150

Green Car Congress

DECEMBER 17, 2018

Lithium-chalcogen batteries—e.g., lithium-sulfur (Li-S) and lithium selenium (Li-Se) systems— are promising candidates for high energy electrical storage solution. Elemental sulfur (S) has a theoretical specific capacity of 1670 mAh/g, while Selenium (Se) has a theoretical specific capacity of 675 mAh/g.

Recharge 259

Recharge Li-ion Lithium Sulfur Energy 259

Green Car Congress

APRIL 2, 2013

Lithium-sulfur batteries are of great interest for electromobility applications, among others, due to their high specific energy and relatively low cost, but are challenged by significant capacity decay over cycling. In the lithium-sulfur model, the cathode is composed of elemental sulfur. Earlier post.)

Lithium Sulfur 255

Lithium Sulfur Honolulu Li-ion 2012 255

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. 2016.05.024.

Carbon 150

Carbon Li-ion Lithium Sulfur Transportation 150

Green Car Congress

JUNE 21, 2015

Researchers at Zhejiang University (China) have developed a multi-functional binder with cation-conductive polymer and polysulfide absorbents that improves the discharge capacity and rate cycleability of Li-sulfur batteries. The Li–S battery showed very low capacity degradation rate of 0.08% per cycle at 1C rate. 2015.06.083.

Li-ion 150

Li-ion Lithium Sulfur Batteries Battery 150

Green Car Congress

SEPTEMBER 17, 2014

A team from General Motors Global Research & Development Center in Michigan has developed a new double-layered core–shell structure of polymer-coated carbon–sulfur to confine better the sulfur/polysulfides in the electrode of lithium–sulfur (Li/S) batteries and to improve the batteries’ cycling stability and Columbic efficiency.

GM 225

GM Polymer Li-ion Lithium Sulfur 225

Green Car Congress

FEBRUARY 6, 2017

Lithium-sulfur batteries are one of the most promising alternatives for next-generation high-energy-density batteries; however, one of the main obstacles to widespread commercialization that still needs to be addressed is the polysulfide shuttle mechanism between the two electrodes. —Vizintin. —Vizintin et al.

Conversion 150

Conversion Li-ion Lithium Sulfur Carbon 150

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.

Lithium Sulfur 150

Lithium Sulfur Batteries Battery 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. polyacrylonitrile), to control the distribution of lithium sulfide in the host material. Earlier post.)

Li-ion 257

Li-ion Lithium Ion Batteries Battery 257

Green Car Congress

APRIL 15, 2014

Lithium–sulfur (Li–S) batteries promise high specific capacity (1,675 mAh g –1 based on sulfur). Lead PNNL Jie Xiao and some of her PNNL colleagues earlier reported designing a lithium–sulfur battery using electrically connected graphite and lithium metal as a hybrid anode to block polysulfides.

Ni-Li 186

Ni-Li Lithium Sulfur Batteries Battery 186

Green Car Congress

AUGUST 31, 2016

Efforts to commercialize light-weight, energy-dense lithium-sulfur secondary batteries (2510 Wh kg –1 ) have been stalled by ongoing problems with the battery’s membrane, which limits cycle-life. Sepion’s polymer membrane technology provides a counterpoint, yielding long-lasting lithium-sulfur cells.

Manufacturer 150

Manufacturer EPRI Lithium Sulfur Carbon Fiber 150

Green Car Congress

JANUARY 8, 2016

cm 3 ) and large surface area (1158 m 2 /g), which enable strong polysulfide adsorption and high sulfur content for use as a cathode material in Li-sulfur batteries. Nitrogen-doping of carbon has been shown to be effective for improving the overall electrochemical performance of sulfur cathodes in Li–S batteries.

Lithium Sulfur 150

Lithium Sulfur Batteries Battery Carbon 150

Green Car Congress

FEBRUARY 28, 2014

Researchers from the University of Arizona, Seoul National University and the US National Institute of Standards and Technology (NIST) have developed sulfur-rich co-polymers to create cathode materials for lithium-sulfur (Li-S) battery applications. sulfur (Li?S)

Li-ion 231

Li-ion Batteries Battery Lithium Sulfur 231

Green Car Congress

JULY 12, 2017

Two projects will research, develop, and use integrated computation materials engineering (ICME) techniques to develop low cost carbon fiber from a variety of feedstocks and precursors that can be used to make carbon fiber with less energy and lower cost. ICME Low Cost Carbon Fiber (Area of Interest 2). University of Pittsburgh.

Carbon Fiber 150

Carbon Fiber Li-ion Mercedes GM 150

Green Car Congress

MAY 2, 2017

Li-sulfur batteries are looked to as a likely next-generation higher energy density energy storage system due to the high theoretical capacity, low cost and high earth abundance of sulfur. A paper on their work is published in the ACS journal Nano Letters. Credit: ACS, Chen et al. — Chen et al. Junzheng Chen, Wesley A.

Li-ion 150

Li-ion Lithium Sulfur Polymer Energy Storage 150

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.).

Lithium Sulfur 170

Lithium Sulfur Li-ion Batteries Battery 170

Green Car Congress

MAY 25, 2017

This proposal aims to solve these problems by converting organic waste into chemicals with widespread use in polymer and transportation industries. Reaction 35 is applying its platform technology to produce olefins from the nation’s enormous reserves of shale gas in a highly efficient, low cost and low carbon footprint manner.

Grant 150

Grant Li-ion Waste Lithium Sulfur 150

Green Car Congress

JANUARY 9, 2013

Researchers at Stanford University and SLAC led by Stanford associate professor Yi Cui have used a sulfur–TiO 2 yolk–shell design for a cathode material for a lithium-sulfur battery that achieved an initial specific capacity of 1,030?mAh?g Click to enlarge. C and Coulombic efficiency of 98.4% over 1,000 cycles.

Lithium Sulfur 231

Lithium Sulfur Batteries Battery Energy Storage 231

Green Car Congress

JULY 10, 2015

As one of the most intensely investigated technologies in the electrochemical energy storage field, lithium−sulfur (Li−S) batteries have observed rapid improvements in their properties in recent years. A paper explaining their work appears in the ACS journal Nano Letters. —Chen et al. 5b01837.

Li-ion 150

Li-ion Design Lithium Sulfur Carbon 150

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.

Carbon 249

Carbon Batteries Battery Li-ion 249

Green Car Congress

SEPTEMBER 16, 2013

A team from Beijing Institute of Technology (BIT) and the US Argonne National Laboratory has developed a new cathode material for Lithium-sulfur batteries: a multi-walled carbon nanotube/sulfur (MWCNT@S) composite with core–shell structure embedded into the interlay galleries of graphene sheets (GS). Click to enlarge.

Li-ion 218

Li-ion Lithium Sulfur Carbon Recharge 218

Green Car Congress

APRIL 28, 2016

Lithium-sulfur (Li-S) batteries are of great interest as next-generation energy storage solutions, especially for electric vehicles, due to their high energy density, low production cost and environmental friendliness.

Batteries 150

Batteries Battery Lithium Sulfur Carbon 150

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.

America 240

America Building Fuel Batteries 240

Green Car Congress

JANUARY 23, 2014

In a paper in the open access journal Scientific Reports , the researchers report that a lithium metal anode in contact with the designed electrolyte exhibited “ remarkable ” cyclability (more than 100 cycles) at a high areal capacity of 12?mAh

Li-ion 268

Li-ion South Korea Lithium Sulfur Batteries 268

Green Car Congress

AUGUST 10, 2011

This project will develop a novel low cost route to carbon fiber using a lignin/PAN hybrid precursor and carbon fiber conversion technologies leading to high performance, low-cost carbon fiber. Increased availability of low cost carbon fiber can enable vehicle weight reduction and improvement in fuel economy.

Carbon Fiber 268

Carbon Fiber Lithium Ion Li-ion Vehicles 268

Green Car Congress

MAY 28, 2015

This quality control device will help to drive down the costs of fuel cells by reducing waste and improving the process efficiency of roll-to-roll manufacturing of polymer electrolyte membranes. High Loading Lithium-Ion Electrode Architecture for Low Cost Electric Vehicle Batteries Ballast Energy, Inc. 149,871.44. 150,000.00.

Li-ion 150

Li-ion Battery Powered Engine Lithium Ion 150

Green Car Congress

MARCH 14, 2015

Researchers from Hanyang University in Korea and the University of Maryland have developed a sulfur-carbon nanotube (S/SWNT) composite coated with polyaniline (PANI) polymer as polysulfide block to achieve high sulfur utilization, high Coulombic efficiency, and long cycle life in Li-Sulfur batteries. Batteries'

Carbon 150

Carbon Lithium Sulfur Batteries Battery 150

Green Car Congress

SEPTEMBER 28, 2011

Furthermore, DOE will only support technologies that emit less carbon than incumbents—in keeping with our national energy goals. Near-term improvements will likely be the result of improved lithium-ion batteries. fleets).

Transportation 218

Transportation Fuel Economy Light Fuel 218

Green Car Congress

FEBRUARY 23, 2018

Based on the garnet-type conductor Li 7 La 3 Zr 2 O 12 , the material exhibits a range of desirable chemical and structural properties, including: lithium-ion conducting cubic structure, low density, multi-scale porosity, high surface area/volume ratio, and good flexibility. Flexible lithium-ion conducting ceramic textile. (b)

Li-ion 247

Li-ion Lithium Ion Batteries Battery 247