Green Car Congress

JANUARY 22, 2020

OXIS Energy has successfully tested its Lithium-sulfur (Li-S) battery cell prototypes at 471Wh/kg and is confident of achieving 500Wh/kg in the next 12 months. OXIS has also successfully developed a standard Li-S battery module that saves production time and cost.

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Lithium Sulfur Carbon Fiber Energy Mariner 327

Green Car Congress

MARCH 30, 2022

Berlin-based Theion , a developer of lithium-sulfur cathode technology, appointed Dr. Ulrich Ehmes as CEO and announced the upcoming commercial availability of its Crystal Battery for applications, beginning with the aerospace sector. A proprietary solid-state polymer electrolyte operates in the voids of the sulfur wafer.

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Batteries Battery Lithium Sulfur Lithium Ion 334

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.

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Lithium Sulfur Polymer Design Li-ion 199

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 ).

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Lithium Sulfur Li-ion Batteries Battery 186

Green Car Congress

APRIL 17, 2023

Countries should adopt policies that prioritize alternative designs for cathodes/anodes and fuel-cell (green hydrogen) systems to reduce the reliance on primary critical metals. Zhang et al. Monotonic growth in global demand for critical metals to 2050 is the most prevalent trend.

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Transportation South Africa Lithium Sulfur Congo 418

Green Car Congress

SEPTEMBER 30, 2019

To develop higher capacity batteries, researchers have looked to lithium-sulfur batteries because of sulfur’s high theoretical capacity and energy density. It also consumes fresh lithium and electrolytes, and reduces battery performance.

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Lithium Sulfur Li-ion Energy Batteries 191

Green Car Congress

DECEMBER 16, 2014

Vasant Kumar at the University of Cambridge and Professor Renjie Chen at the Beijing Institute of Technology has devised a three-dimensional hierarchical sandwich-type graphene sheet-sulfur/carbon (GS-S/C ZIF8-D ) composite to address performance-related issues in Lithium-sulfur batteries such as low efficiency and capacity degradation.

Carbon 218

Carbon Li-ion Lithium Sulfur Batteries 218

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.

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Energy Storage Carbon Lithium Sulfur Energy 150

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

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.

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Recharge Li-ion Lithium Sulfur Energy 259

Green Car Congress

JULY 10, 2015

Researchers in China report the development of a rationally designed Li−S cathode consisting of a freestanding composite thin film assembled from sulfur nanoparticles, reduced graphene oxide (rGO), and a multifunctional additive poly(anthraquinonyl sulfide) (PAQS): nano-S:rGO:PAQS. —Chen et al. —Chen et al. 5b01837.

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Li-ion Design Lithium Sulfur Carbon 150

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.)

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Lithium Sulfur Honolulu Li-ion 2012 255

Green Car Congress

AUGUST 9, 2015

A team at Cornell University has used ice-templating to synthesize hierarchical porous carbons (HPCs) with extremely high surface areas of up to 2340 m 2 g −1 with total pore volume of up to 3.8 cm 3 g −1 as supports for sulfur for electrodes in Li–S batteries. Ritu Sahore, Luis P. Estevez, Anirudh Ramanujapuram, Francis J. Deville, E.

Carbon 150

Carbon Lithium Sulfur Batteries Battery 150

Green Car Congress

AUGUST 9, 2018

A team of researchers from institutions in China and the US report the design of a negatively charged graphene composite separator for the effective suppression of the polysulfide shuttling effect in Li-sulfur batteries. Alternatively, “adsorption coatings” (e.g., Alternatively, “adsorption coatings” (e.g., —Lei et al.

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Li-ion Lithium Sulfur China Batteries 210

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 ? S battery performance. 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. 2016.05.024.

Carbon 150

Carbon Li-ion Lithium Sulfur Transportation 150

Green Car Congress

SEPTEMBER 5, 2021

The fast-growing electromobility sector is therefore looking for new ways to reduce the energy required to manufacture batteries and thus to design them to be as cost effective and environmentally friendly as possible. With DRYtraec, we can design this process more efficiently. —Benjamin Schumm.

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Batteries Battery Lithium Sulfur Lithium Ion 300

Green Car Congress

APRIL 13, 2018

Researchers at Tsinghua University in China have used ultrathin and lightweight molybdenum sulfide (MoS 2 )/carbon nanotube (CNT) interlayers to trap polysulfides in high-performance lithium–sulfur (Li–S) batteries. A paper on their work is published in the Journal of Power Sources. 2018.04.015.

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Lithium Sulfur Batteries Battery Carbon 186

Baua Electric

FEBRUARY 1, 2024

The latest round of funding to be announced by the US Department of Energy’s Vehicle Technologies Office includes support for a wide range of projects designed to advance low-carbon transportation technologies, including several EV-related initiatives. The remaining $71 million will be distributed among 27 projects.

Transportation 52

Transportation Lead Acid Lithium Sulfur Batteries 52

Green Car Congress

SEPTEMBER 21, 2011

Schematic of design and fabrication process of hollow carbon nanofibers/sulfur composite structure. To tackle the polysulfide problem, researchers at Stanford University led by Dr. Yi Cui have developed a hollow carbon nanofiber-encapsulated sulfur cathode for effective trapping of polysulfides. Click to enlarge.

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Li-ion Carbon Batteries Battery 186

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

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 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.

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Ni-Li Lithium Sulfur Batteries Battery 186

Green Car Congress

MARCH 26, 2021

Moreover, dissolved TMs eventually waft to the anode side where they can be reduced and accumulated, similar to the ‘shuttling effect’ in lithium–sulfur batteries, leading to the destruction of the anode’s solid–electrolyte interphase (SEI), consumption of active Li, and impedance growth. —Xue et al. —Jeremiah Johnson.

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Ni-Li MIT Li-ion Batteries 284

Green Car Congress

JULY 25, 2019

A Li/S cell built at high sulfur mass loading (4 mg cm -2 ) using the IL-based electrolyte demonstrated a stable capacity of 600 mAh g -1 for double the cycles of a cell using LiNO 3 additive (300 vs 150). Additionally, the mitigation of sulfur deposition through the Li-polysulfide migration to the anode side has been demonstrated. …

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Batteries Battery Lithium Sulfur Sweden 207

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 This is the highest performing sulfur cathode in the world, as far as we know.

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Lithium Sulfur Batteries Battery Energy Storage 231

Green Car Congress

MARCH 31, 2016

Lithium-sulfur batteries—comprising a sulfur cathode and Li metal anode—are widely seen as a very promising next-generation electric energy storage system due to their very high theoretical specific energy (2550 Wh kg −1 ) and energy density (2862 Wh L −1 ). Background. Ji-Guang (Jason) Zhang, study leader.

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Lithium Sulfur Batteries Battery Energy Storage 150

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. Research advanced electrolytes to limit dendrite growth in lithium-metal cells.

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Carbon Fiber Li-ion Mercedes GM 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.).

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Lithium Sulfur Li-ion Batteries Battery 170

Green Car Congress

AUGUST 1, 2014

X-ray spectroscopic analysis and ab initio calculation results indicate that the excellent performance can be attributed to a well-restored C–C lattice and the unique lithium polysulfide binding capability of the N functional groups in the NG sheets. —Qiu et al. Batteries'

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Li-ion Lithium Sulfur China 2000 240

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

AUGUST 31, 2016

A US Department of Energy (DOE) program designed to spur the use of high performance supercomputers to advance US manufacturing has funded 13 new industry projects for a total of $3.8 Sepion’s polymer membrane technology provides a counterpoint, yielding long-lasting lithium-sulfur cells. Harper International Corp.

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Manufacturer EPRI Lithium Sulfur Carbon Fiber 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.

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GM Polymer Li-ion Lithium Sulfur 225

Green Car Congress

JULY 12, 2017

The new BMS was part-developed through, and deployed for the first time on, the Revolutionary Electric Vehicle Battery (REVB) project, which set out to evaluate a new Lithium-Sulfur cell technology developed by OXIS energy. This project was led by OXIS and part-funded by Innovate UK.

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Batteries Battery Lithium Sulfur Lithium Ion 150

Green Car Congress

JULY 21, 2017

The Battery500 project is focused on three keystone projects: A high nickel content cathode with a Li-metal anode; Sulfur cathode and Li-metal anode; and. Innovative electrode and cell design. Some of the seedlings fill the gaps in expertise, and then some applications propose unique designs. We have projects in both areas.

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Li-ion Lithium Sulfur Maryland Lithium Ion 186

Green Car Congress

OCTOBER 26, 2015

This will be followed by an assessment of the perceived technological barriers and the potential energy density gains for so-called post-LiBs, namely lithium-oxygen and lithium-sulfur batteries. On the Li-sulfur side, it is difficult to achieve the expected gravimetric energy density from a lithium sulfur battery-system.

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Lithium Sulfur Electric Vehicles Li-ion Batteries 150

Green Car Congress

FEBRUARY 26, 2010

The new battery combines a Li 2 S/mesoporous carbon composite cathode and a silicon nanowire anode. This new battery yields a theoretical specific energy of 1,550 Wh kg -1 —four times that of the theoretical specific energy of existing lithium-ion batteries based on LiCoO 2 cathodes and graphite anodes (~410 Wh kg -1 ). Yang et al.

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Li-ion Recharge Lithium Sulfur Energy 199