Green Car Congress

OCTOBER 16, 2022

A team from Wuhan University has developed a new ether-based electrolyte with tetrahydrofuran (THF) and di-isopropyl ether (DIPE) Lithium–sulfur batteries (LSBs). The new electrolyte effectively inhibits the dissolution of lithium polysulfides and the self-discharge effect. —Kong et al. 2022.232211.

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Lithium Sulfur Batteries Battery Insight 199

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

SEPTEMBER 14, 2021

Researchers from the Monash Energy Institute, with colleagues from CSIRO, have used a saccharide-based binder system to develop a durable sulfur cathode with minimal polysulfide escape in a lithium-sulfur battery. We plan to make the first lithium-sulfur batteries in Australia using Australian lithium within about five years.

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Lithium Sulfur Li-ion Batteries Battery 327

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

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. Nazar (2018) “Lightweight Metallic MgB 2 Mediates Polysulfide Redox and Promises High-Energy-Density Lithium-Sulfur Batteries,” Joule doi: 10.1016/j.joule.2018.09.024.

Lithium Sulfur 304

Lithium Sulfur Li-ion Batteries Battery 304

Green Car Congress

AUGUST 26, 2014

Researchers at Rice University led by Dr. James Tour have developed a hierarchical nanocomposite material of graphene nanoribbons combined with polyaniline and sulfur (Sulfur-PANI-GNRs, SPG) using an inexpensive, simple method. The PANI- GNR composite was prepared by the in situ polymerization of aniline in the presence of GNRs.

Lithium Sulfur 246

Lithium Sulfur Universal Batteries Battery 246

Green Car Congress

DECEMBER 19, 2014

Researchers at the University of Texas at Austin, led by Prof. In a paper published in the ACS Journal of Physical Chemistry Letters , the team suggested that this strategy is both of significance for the safe and effective use of Li 2 S as a cathode material and as a promising step toward the low-cost fabrication of metallic-lithium-free Li?S

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Lithium Sulfur Austin Texas Batteries 230

Green Car Congress

APRIL 13, 2020

Researchers at Toyohashi University of Technology in Japan have developed an active sulfur material and carbon nanofiber (S-CNF) composite material for all-solid-state Li-sulfur batteries using a low-cost and straightforward liquid phase process. Copyright Toyohashi University Of Technology. Nguyen Huu Huy Phuc.

Carbon 243

Carbon Lithium Sulfur Li-ion Batteries 243

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

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. —Lei et al.

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Lithium Sulfur Li-ion Batteries Battery 259

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. This technique is a one-step fabrication process without a binder to form a current collector for lithium sulfur battery cathodes. C, 1 C, 2 C and 3 C charge rates. —Huang et al.

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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. C = Charge, D = Discharge.

Lithium Sulfur 199

Lithium Sulfur Lithium Ion Li-ion Batteries 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. Cheng, X. -Z., and Zhang, Q. 201500428.

Lithium Sulfur 150

Lithium Sulfur Li-ion Batteries Battery 150

Green Car Congress

JANUARY 4, 2020

An international team of researchers led by Monash University has developed an ultra-high capacity Li-S battery that has better performance and less environmental impact than current lithium-ion products. Lithium-sulfur batteries can displace lithium-ion by delivering higher specific energy. Easton, M.

Lithium Sulfur 150

Lithium Sulfur Lithium Ion Li-ion Batteries 150

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. doi: 10.1039/C8CC07594H.

Carbon 220

Carbon Lithium Sulfur China Batteries 220

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

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, Harif D. 8b03959.

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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

APRIL 2, 2021

Although mass manufacture has made lithium-ion batteries cheaper, cost and durability remain obstacles to the widespread adoption of battery electrical vehicles. Recycling and reuse (ReLiB) , led by Dr Paul Anderson, University of Birmingham, with researchers from the Universities of Edinburgh, Leicester, Newcastle and UCL.

Commercial 218

Commercial Lithium Ion Batteries Battery 218

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. 2016.10.003.

Lithium Sulfur 150

Lithium Sulfur Carbon Batteries Battery 150

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. Hulicova-Jurcakova, D. and Wang, L.

Lithium Sulfur 199

Lithium Sulfur Batteries Battery Carbon 199

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. 2020.03.020.

Texas 269

Texas Lithium Sulfur Batteries Battery 269

Green Car Congress

OCTOBER 24, 2014

Researchers at Tianjin University (China) report another approach to stabilizing the performance of a Li-sulfur battery. In a paper in the Journal of Power Sources , they describe the preparation of a sulfur cathode modified by a bi-functional nafion/?-Al 2014.10.039.

Lithium Sulfur 218

Lithium Sulfur Li-ion Batteries Battery 218

Green Car Congress

JULY 25, 2019

Researchers at Chalmers University of Technology (Sweden) with colleagues at Gyeongsang National University (Korea) have used an ionic liquid (Py 1,4 TFSI) as an electrolyte additive to enable longer cycle-life of Li/S batteries. higher safety of the battery. Their paper appears in the journal ChemSusChem. —Agostini et al.

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Batteries Battery Lithium Sulfur Sweden 207

Green Car Congress

DECEMBER 11, 2020

Leveraging high performance computing resources unique to the national laboratory system, VTO has developed robust modeling, simulation, and big data analytics capabilities, while research of advanced sensing and perception technologies, system controls, and other connected and automated technologies has advanced rapidly.

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Lithium Sulfur Vehicles Energy Storage Affordable 199

Green Car Congress

DECEMBER 18, 2017

Established in 2012 as a spin-out company from the University of Colorado Boulder, Solid Power is focused on developing and scaling competitive solid-state batteries, paying special attention to safety, performance, and cost. US 20170331148 A1: Lithium all-solid-state battery. Earlier post.).

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BMW Lithium Sulfur Power Powered 170

Green Car Congress

DECEMBER 5, 2016

Researchers at the University of Texas at Austin have developed a novel electrode for lithium-sulfur batteries that improves cyclic stability and rate capability significantly. In a paper published in the ACS journal Nano Letters , they report using polypyrrole-MnO 2 coaxial nanotubes to encapsulate sulfur. 6b03849.

Austin 150

Austin Lithium Sulfur Batteries Battery 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.

Dallas 207

Dallas Li-ion Lithium Sulfur Batteries 207

Green Car Congress

MARCH 23, 2019

Scientists from Tohoku University and the High Energy Accelerator Research Organization have developed a new complex hydride lithium superionic conductor that could result in all-solid-state batteries with the highest energy density to date. 2 , enabling all-solid-state lithium-sulfur batteries with high energy density (>2500?Wh?kg

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Lithium Ion Energy Batteries Battery 294

Green Car Congress

JUNE 24, 2016

A team at the University of Maryland have synthesized a mixed conducting nanocomposite sulfur electrode that consists of different nanoparticles with distinct properties of lithium storage capability, mechanical reinforcement, and ionic and electronic conductivities. —Han et al. —Han et al. 6b01754.

Lithium Sulfur 150

Lithium Sulfur Li-ion Batteries Battery 150

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

Green Car Congress

JUNE 23, 2016

Researchers at the University of Maryland have developed a novel, flexible, solid-state, ion-conducting membrane based on a 3D ion-conducting ceramic nanofiber network. The all-solid ion-conducting membrane can be applied to flexible Li-ion batteries and other electrochemical energy storage systems, such as lithium–sulfur batteries.

Li-ion 199

Li-ion Lithium Sulfur Batteries Battery 199

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

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

MAY 14, 2015

A team at Central South University in China reports in a paper in the Journal of The Electrochemical Society that use of a partially fluorinated ether as an electrolyte co-solvent improves the performance of Li-sulfur batteries. The team used 1,1,2,2-Tetrafluoroethyl 2,2,2-Trifluoroethyl Ether (TFTFE) as electrolyte co-solvent.

Lithium Sulfur 150

Lithium Sulfur Batteries Battery 2015 150

Green Car Congress

JULY 22, 2019

Quan-Hong Yang at Tianjin University and Prof. Wei Lv at Tsinghua University has developed a wax-PEO coating on lithium metal surface by a simple dip coating method to realize an air-stable and waterproof lithium metal anode. Wax as a commonly-used inert sealing material is easily coated on the surface of lithium metal.

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Li-ion Lithium Ion Lithium Sulfur Water 246

Green Car Congress

APRIL 28, 2015

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. The first PATHION presentation described the role of LiRAP in a solid-state lithium-sulfur electrolyte. Braga, J.A. Ferreira, V. Stockhausen, J.E. Oliveira, A.

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Li-ion Sodium Lithium Sulfur Batteries 150