Green Car Congress

FEBRUARY 15, 2013

Electrochemical performance of the modified hollow carbon nanofiber cathode. (a) a) Specific capacities of the PVP modified sulfur cathode at C/5, C/2 and 1C cycling rates. (b) Lithium sulfur batteries are of great interest due to their high specific energy and relatively low cost (e.g., Credit: ACS, Zheng et al.

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Lithium Sulfur Batteries Battery Polymer 334

Green Car Congress

JUNE 3, 2012

Researchers from Hanyang University in Korea and the University of Rome Sapienza (Italy) have developed a lithium-sulfur battery employing a high-performance mesoporous hard carbon spherules-sulfur cathode and a stable, highly conducting electrolyte. 2012), An Advanced Lithium-Sulfur Battery. Hassoun, J.

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Lithium Sulfur Batteries Battery Italy 218

Green Car Congress

JULY 31, 2012

Researchers at Oak Ridge National Laboratory have developed a high-performance lithium-sulfur battery using. nitrogen-doped mesoporous carbon (NC) and sulfur to prepare a composite cathode and an ionic-liquid electrolyte of 0.5?m Their study is published in the journal ChemSusChem. —Sun et al. and Dai, S.

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Lithium Sulfur Carbon Batteries Battery 225

Green Car Congress

APRIL 19, 2020

Jian Liu and Prof.Zhongshuai Wu from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences have developed Fe 1-x S-decorated mesoporous carbon spheres as a cathode material for lithium-sulfur batteries. 1 ), and enhanced adsorption and electrocatalytic transition toward lithium polysulfides (LiPs).

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Lithium Sulfur Batteries Battery China 348

Green Car Congress

SEPTEMBER 7, 2013

Kentucky Governor Steve Beshear announced that start-up lithium-sulfur battery company NOHMs (Nano Organic Hybrid Materials) Technologies Inc. has selected to locate its research, manufacturing and product development facility for military, cell phone and electric vehicle lithium-ion batteries in Lexington. Source: NOHMs.

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Lithium Sulfur Companies Kentucky Lithium Ion 246

Green Car Congress

FEBRUARY 14, 2022

sulfur phase within carbon nanofibers that enables successful operation of Lithium-Sulfur (Li-S) batteries in carbonate electrolyte for 4000 cycles. Carbonates are known to adversely react with the intermediate polysulfides and shut down Li-S batteries in first discharge. —Pai et al.

Carbon 285

Carbon Li-ion Batteries Battery 285

Green Car Congress

JUNE 7, 2020

Scientists from the Daegu Gyeongbuk Institute of Science and Technology, Korea, have developed a novel silica-based cathode for lithium–sulfur batteries, thereby enabling the realization of batteries that can last for more than 2,000 charge/discharge cycles. However, carbon-based hosts cannot trap LiPS. —Prof Yu.

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Lithium Sulfur Batteries Battery Low Cost 400

Green Car Congress

MARCH 28, 2022

Lithium-sulfur batteries are prospects for future batteries as they are made from cheaper and more environmentally friendly materials than lithium-ion batteries. A comprehensive description of electrochemical processes in the positive electrode of lithium-sulfur batteries is crucial for the utilization of active material.

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Lithium Sulfur Batteries Battery Li-ion 195

Green Car Congress

NOVEMBER 26, 2018

Researchers from Western University, Canadian Light Source, and the Chinese Academy of Sciences have proposed a novel solid-phase Li-S transformation mechanism that enables high energy Li-S batteries in conventional Li-ion carbonate electrolytes. Schematic of a lithium sulfur battery in carbonate-based electrolyte.

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Li-ion Lithium Sulfur Batteries Battery 249

Green Car Congress

FEBRUARY 24, 2021

Scientists from Gwangju Institute of Science and Technology (GIST), Korea, have found that a new catalyst material can improve lithium–sulfur battery life significantly. In this approach, a carbon layer is placed directly on the conventional sulfur cathode. times the level of conventional lithium-sulfur batteries.

Lithium Sulfur 337

Lithium Sulfur Li-ion Batteries Battery 337

Green Car Congress

DECEMBER 21, 2018

Researchers at Jiangsu Normal University in China have devised a boron-doped carbon-sulfur (BCS) aerogel with consecutive “core-shell” stuctures as a binder-free cathode for lithium-sulfur batteries. Good porous structures of BCS aerogel can provide sufficient space for the expansion of active sulfur.

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Carbon Lithium Sulfur China Batteries 220

Green Car Congress

OCTOBER 10, 2016

Researchers at South China Normal University in Guangzhou have developed a novel composite of sulfur loaded in micropore-rich carbon aerogel (CA-S) for use as a cathode in Li-sulfur batteries. These issues limit the practical application of lithium-sulfur battery. —Li et al. Click to enlarge.

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Lithium Sulfur Carbon Batteries Battery 150

Green Car Congress

NOVEMBER 27, 2021

Australia-based Li-S Energy has entered into an agreement with Janus Electric to develop and to test lithium sulfur and/or lithium-metal battery cells to suit the requirements of the Janus Electric exchangeable prime mover battery packs.

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Lithium Sulfur Li-ion Lithium Ion Energy 243

Green Car Congress

NOVEMBER 5, 2018

Lithium-sulfur (Li-S) batteries, despite their high theoretical specific energy, face practical challenges including polysulfide shuttling and low cell-level energy density. The surface-mediated polysulfide redox behavior results in a much higher exchange current in comparison with MgO and carbon. 2018.09.024.

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Lithium Sulfur Li-ion Batteries Battery 304

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 26, 2023

Fraunhofer IFAM develops optimized separators for the lithium-sulfur battery cell based on the researched solid electrolytes. AMG Lithium GmbH develops and produces sulfidic solid electrolytes and supplies novel cathode active materials based on lithium sulfide.

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Batteries Battery Li-ion Lithium Ion 504

Baua Electric

APRIL 12, 2024

Given India’s dependence on 100% imported lithium-ion cells for electric vehicle batteries, there exists a compelling drive to cultivate indigenous cell and battery manufacturing capacities to meet the burgeoning demands. Zeta Energy is the world’s leading developer of lithium-sulfur battery chemistry, materials and cell technology.

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Lithium Sulfur Li-ion Auto Lithium Ion 52

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. Ulrich Ehmes, Theion CEO.

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Batteries Battery Lithium Sulfur Lithium Ion 334

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.

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Carbon Li-ion Lithium Sulfur Batteries 218

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%

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Lithium Sulfur Li-ion Batteries Battery 259

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

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.

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Lithium Sulfur Batteries Battery Engine 186

Green Car Congress

APRIL 17, 2023

Decarbonization targets for road transportation should be coupled with electric vehicle deployment, the timing of carbon peak and neutrality, and accurate emission budgets. Zhang et al. Monotonic growth in global demand for critical metals to 2050 is the most prevalent trend. The research was supported by the National Science Foundation.

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Transportation South Africa Lithium Sulfur Congo 418

Green Car Congress

SEPTEMBER 28, 2015

Researchers from Central South University in Changsha, China, have developed a separator with a nitrogen-doped porous hollow carbon sphere (NHC) coating for use in Li-S batteries. They prepared the nitrogen-doped porous hollow carbon spheres by pyrolysis of a polydopamine (PDA) carbon precursor on the surface of silicon dioxide (SiO 2 ).

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Carbon Lithium Sulfur Batteries Battery 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.

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Lithium Sulfur Universal Batteries Battery 246

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

SEPTEMBER 30, 2014

Fraunhofer IWS in Dresden, Germany will hold its 3rd annual workshop on Lithium-sulfur batteries from 12-13 November 2014. As with the prior Lithium-Sulfur Battery Workshops in 2012 and 2013, this year’s symposium will bring together an international audience of scientists and industrial customers.

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Lithium Sulfur Batteries Battery Sodium 225

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

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

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

MARCH 28, 2018

For a Li–S full-cell configuration, using the MoS 2 -coated Li as anode and a 3D carbon nanotube–sulfur cathode, they reported obtain a specific energy density of ~589?Wh?kg 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

APRIL 18, 2014

Researchers from The University of Queensland (Australia) have devised a composite cathode material for lithium-sulfur batteries: graphene-wrapped carbon nanospheres with sulfur uniformly distributed in between, in which the carbon nanospheres act as the sulfur carriers. 1 at a current rate of 0.1?C

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Lithium Sulfur Batteries Battery Carbon 199

Green Car Congress

JUNE 21, 2015

Researchers at Tsinghua University (China) report in a paper in ChemSusChem on their use of both lithium anode passivation and polysulfide anion diffusion suppression strategies to reduce self-discharge of the lithium–sulfur cell. —Xu et al. Huang, J. -J., and Zhang, Q. 201500428.

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Lithium Sulfur Li-ion Batteries Battery 150

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

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.

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Carbon Li-ion Lithium Sulfur Transportation 150

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