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. Hence, it is necessary to address these issues prior to its large-scale commercialization. …

Lithium Sulfur 259

Lithium Sulfur Li-ion Batteries Battery 259

Green Car Congress

DECEMBER 19, 2014

Researchers at the University of Texas at Austin, led by Prof. enables the direct use of commercially available bulk Li 2 S particles as high-capacity cathode materials for rechargeable Li?S S batteries, without intricate synthesis or application of a high charging cut-off voltage that deteriorates the electrolyte stability and safety.

Lithium Sulfur 230

Lithium Sulfur Austin Texas Batteries 230

Green Car Congress

DECEMBER 14, 2019

A team at the University of Manchester (UK) has developed a doped graphene cathode for highly stable lithium-sulfur batteries. In an open access paper in the Nature journal Communications Chemistry , they report 100% charge capacity of Li-S batteries using the cathode material with 500 charge/discharge cycles at 0.5

Lithium Sulfur 218

Lithium Sulfur Li-ion Batteries Battery 218

Green Car Congress

FEBRUARY 17, 2017

One of the major issues hobbling the commercialization of high energy-density lithium-sulfur batteries is the “polysulfide shuttle”—the shuttling of polysulfide ions between the cathode and anode. Top: Schematic of the electrochemical processes in a generic lithium-sulfur battery. Electrochem.

Lithium Sulfur 199

Lithium Sulfur Lithium Ion Li-ion Batteries 199

Green Car Congress

FEBRUARY 14, 2022

Researchers at Drexel University have stabilized a rare monoclinic ?-sulfur sulfur phase within carbon nanofibers that enables successful operation of Lithium-Sulfur (Li-S) batteries in carbonate electrolyte for 4000 cycles. sulfur and its application in Li-S batteries. —Pai et al.

Carbon 285

Carbon Li-ion Batteries Battery 285

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

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. Li–S batteries theoretically offer a specific energy density of 2600 Wh kg ?1 The system typically uses a lithium-metal anode and sulfur cathode.

Lithium Sulfur 236

Lithium Sulfur Li-ion Batteries Battery 236

Green Car Congress

MAY 14, 2020

OXIS Energy and the Minas Gerais Development Company CODEMGE have signed a 15-year lease agreement with Mercedes Benz Brazil (MBB) to take possession of a plant located at the MBB manufacturing site in Juiz de Fora in southeast Brazil to build a Li-sulfur battery manufacturing operation.

Brazil 186

Brazil Manufacturer Lithium Sulfur Building 186

Green Car Congress

MAY 10, 2018

Purdue engineers have used upcycled low-density polyethylene (LDPE) plastic to boost the lifespan of lithium-sulfur batteries. When a PSC layer was utilized as an interlayer in lithium–sulfur batteries, the sulfur cathode delivered an improved capacity of 776 mAh g –1 at 0.5C —Kim et al.

Lithium Sulfur 186

Lithium Sulfur Batteries Battery Engine 186

Green Car Congress

AUGUST 12, 2014

One of the main limiters to the commercialization of high energy density lithium-sulfur batteries is the dissolution of long-chain lithium polysulfides into the electrolyte, which limits cycling performance. —Oh et al. and Yoon, W.

Lithium Sulfur 218

Lithium Sulfur Batteries Battery 2014 218

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. Solid Power technology combines a high-capacity cathode, a lithium metal anode and a high ionic conductivity solid separator.

BMW 170

BMW Lithium Sulfur Power Powered 170

Green Car Congress

JANUARY 21, 2020

Researchers at the Hong Kong University of Science and Technology have developed a high-capacity, long-life lithium-sulfur battery using a bi-functional cathode substrate for Li–S batteries made of well-distributed boron carbide nanoparticles decorated activated cotton fiber (B 4 C-ACF). Zhang et al. …

Batteries 243

Batteries Battery Lithium Sulfur Conversion 243

Green Car Congress

NOVEMBER 12, 2014

UK-based Lithium-sulfur battery company OXIS Energy ( earlier post ) reported developing a Lithium-sulfur cell achieving in excess of 300 Wh/kg. OXIS CEO Huw Hampson-Jones says that the company is on schedule to release commercial cells for use in applications in the USA and Europe in 2015.

Lithium Sulfur 225

Lithium Sulfur 2015 2018 Companies 225

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. This approach, they suggested, could lead to the realization of high energy density and safe Li-metal-based batteries.

Dallas 207

Dallas Li-ion Lithium Sulfur Batteries 207

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

Li-ion 150

Li-ion Lithium Sulfur Batteries Battery 150

Green Car Congress

OCTOBER 5, 2015

The United States Advanced Battery Consortium LLC (USABC), a collaborative organization of FCA US LLC, Ford Motor Company and General Motors, recently awarded $1.64 million contract to NOHMs (Nano Organic Hybrid Materials) Technologies in Rochester, New York, for the development of electrolytes for automotive lithium-ion battery applications.

Li-ion 150

Li-ion Lithium Sulfur Lithium Ion Batteries 150

Green Car Congress

APRIL 28, 2015

Supported by an ARPA-E grant, LiRAP has proven to be a safe alternative compared to the liquid electrolytes used in most of today’s lithium ion batteries. 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.

Li-ion 150

Li-ion Sodium Lithium Sulfur Batteries 150

Green Car Congress

APRIL 27, 2020

Researchers at the University of Texas have discovered that introducing tellurium (Te) into a Li-Sulfur system as a cathode additive significantly improves the reversibility of Li plating/stripping by forming a tellurized and sulfide-rich solid-electrolyte interphase (SEI) layer on the Li surface. —Nanda et al. Nanda et al.

Texas 269

Texas Lithium Sulfur Batteries Battery 269

Green Car Congress

FEBRUARY 10, 2015

DNA has a high concentration of heteroatoms, including oxygen, nitrogen and phosphorus, that can anchor soluble polysulfides to improve the cycling performance of Li/S batteries. 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

SEPTEMBER 5, 2019

The Faraday Institution will award up to £55 million (US$67 million) to five UK-based consortia to conduct application-inspired research to make step changes in battery chemistries, systems and manufacturing methods. The project’s Principal Investigator is Professor Patrick Grant of the University of Oxford.

Energy Storage 223

Energy Storage Li-ion Lithium Ion Energy 223

Drive Electric

JANUARY 17, 2022

A team of scientists from the University of Michigan (UoM) have made a battery breakthrough that could have huge implications for the future of electric vehicles. Lithium-Ion (The Present) vs Lithium-Sulfur (The Future). Currently, electric vehicles are powered by lithium-ion batteries.

Lithium Sulfur 52

Lithium Sulfur Electric Vehicles Lithium Ion Range 52

Green Car Congress

MARCH 27, 2014

Lithium/sulfur cells are seen as a promising next-generation “beyond Li-ion” technology. 1 as well as very low cost, high abundance, and low environmental impact, sulfur is a promising cathode candidate. The downside has been that Li/S batteries suffer from poor cyclability. Batteries' Click to enlarge.

Lithium Sulfur 225

Lithium Sulfur Li-ion Batteries Battery 225

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 energy projects aim to improve wind turbines and electric vehicle batteries and to better understand the combustion physics of biofuels. Physics foundation for controlling biofuel sprays.

Universal 218

Universal Energy Lithium Sulfur Batteries 218

Green Car Congress

MARCH 4, 2015

One of the main obstacles to the commercialization of high-energy density lithium-sulfur batteries is the tendency for lithium polysulfides—the lithium and sulfur reaction products—to dissolve in the battery’s electrolyte and travel to the opposite electrode permanently.

Lithium Sulfur 150

Lithium Sulfur Batteries Battery 2015 150

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.

Li-ion 170

Li-ion Lithium Sulfur Batteries Battery 170

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.

Lithium Sulfur 231

Lithium Sulfur Batteries Battery Energy Storage 231

Green Car Congress

SEPTEMBER 28, 2016

BioSolar, a developer of energy storage technology and materials, has begun development of a high energy anode for current- and next-generation lithium batteries. David Vonlanthen, a project scientist and energy storage expert at University of California, Santa Barbara (UCSB).). Earlier post.).

Energy 150

Energy Lithium Ion North Carolina Lithium Sulfur 150

Green Car Congress

MAY 18, 2009

Researchers at the University of Waterloo in Canada have developed electrode materials for Lithium-Sulfur batteries using a conductive mesoporous carbon framework that have demonstrated reversible capacities of up to 1,320 mAh g -1. Carbon electrodes help form high capacity lithium-sulfur batteries ( Chemistry World ).

Lithium Sulfur 170

Lithium Sulfur Li-ion Batteries Battery 170

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

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. —Li et al. A g-1 based on the total mass of cathode and anode).

Batteries 150

Batteries Battery Lithium Sulfur Carbon 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. Energy Environ.

Li-ion 218

Li-ion Building Batteries Battery 218

Green Car Congress

FEBRUARY 26, 2010

The new battery combines a Li 2 S/mesoporous carbon composite cathode and a silicon nanowire anode. 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.

Li-ion 199

Li-ion Recharge Lithium Sulfur Energy 199

Green Car Congress

FEBRUARY 11, 2012

Vorbeck Materials , a startup company based in Jessup, Maryland, is using a Pacific Northwest National Laboratory (PNNL)-developed method for developing graphene for better lithium air and lithium sulfur batteries.

Hydrogen 279

Hydrogen Engine Energy Batteries 279

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. This is the best demonstrated rate performance for sulfur–graphene cathodes to date, according to the team.

Li-ion 150

Li-ion Batteries Battery Lithium Sulfur 150

Green Car Congress

MAY 28, 2015

Of these, 16 are vehicle-related, encompassing projects developing batteries, power electronics and improved combustion engine technology including on-board reformers, and two are specifically hydrogen fuel cell-related. High Loading Lithium-Ion Electrode Architecture for Low Cost Electric Vehicle Batteries Ballast Energy, Inc.

Li-ion 150

Li-ion Battery Powered Engine Lithium Ion 150

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. Batteries' Click to enlarge.

Li-ion 218

Li-ion Batteries Battery Lithium Ion 218

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.

Li-ion 150

Li-ion Lithium Sulfur Lithium Ion Batteries 150