Green Car Congress

DECEMBER 4, 2017

A team in China has used graphene microsheets (GMs)—prepared from microcrystalline graphite minerals by an electrochemical & mechanical approach—as a special conductive support for sulfur for the cathode of a lithium-sulfur battery. 2017.11.061.

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Lithium Sulfur Batteries Battery China 170

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.

Lithium Sulfur 150

Lithium Sulfur Li-ion Batteries Battery 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.

Lithium Sulfur 236

Lithium Sulfur Li-ion Batteries Battery 236

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. Hollenkamp, Matthew R.

Lithium Sulfur 150

Lithium Sulfur Lithium Ion Li-ion Batteries 150

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

AUGUST 1, 2014

Researchers in China, with colleagues from Lawrence Berkeley National Laboratory, have synthesized an additive-free nanocomposite cathode in which sulfur nanoparticles are wrapped inside nitrogen-doped graphene sheets (S@NG). Inset is its corresponding Coulombic efficiency at 2 C. Credit: ACS, Qiu et al. Click to enlarge. Batteries'

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Li-ion Lithium Sulfur China 2000 240

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.

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Lithium Sulfur Batteries Battery Carbon 150

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

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.

Lithium Sulfur 186

Lithium Sulfur Batteries Battery Carbon 186

Green Car Congress

APRIL 27, 2017

At Auto Shanghai 2017, China-based Hybrid Kinetic Group (HK), with its partner Pininfarina, introduced two more microturbine range-extended electric vehicles: the five-seat K550 and 7-seat K750 SUVs. HK Group is also developing graphene lithium sulfur batteries.

Pininfarina 150

Pininfarina Lithium Sulfur Range Batteries 150

Green Car Congress

AUGUST 4, 2014

Integrating OXIS’ expertise in the development of the next generation of cell technology allows them to develop lithium sulfur rechargeable battery systems for the marine market. has 19 families of patents on the Lithium sulfur technology, with 57 patents granted and another 44 pending. Founded in 2005, OXIS Energy Ltd.

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Mariner Lithium Sulfur Power Powered 210

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. 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 5, 2019

A team of researchers from China and Germany have used azulene—a benzene-free and vinyl-free molecule—to polymerize with sulfur to create a cathode material 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

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. The NHC-decorated separator enormously improves the utilization of active material and enhances electrochemical performance. 2015.09.067.

Carbon 150

Carbon Lithium Sulfur Batteries Battery 150

My Electric Car

JANUARY 29, 2023

Lithium ion batteries were first commercialized in the 1990’s and will most likely continue to be with us for some years to come but there are alternatives that are cheaper, more fire resistant and last longer. Lithium-sulfur batteries have a theoretical energy density that is more than double that of current lithium-ion batteries.

Lithium Ion 52

Lithium Ion Batteries Battery Lithium Sulfur 52

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

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. 5b01837.

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Li-ion Design Lithium Sulfur Carbon 150

Green Car Congress

DECEMBER 24, 2016

Researchers from China and Australia have developed a mechanically robust biopolymer network binder that enabled the preparation of high-loading sulfur electrodes to improve the electrochemical performance of Li-sulfur batteries. The binder supported a high-sulfur-loading electrode of 19.8

Lithium Sulfur 150

Lithium Sulfur Polymer Low Cost Batteries 150

Green Car Congress

FEBRUARY 9, 2015

Researchers from China and the US have developed a flexible slurryless nano-Li 2 S/reduced graphene oxide cathode paper (nano-Li 2 S/rGO paper) which can be directly used as a free-standing and binder-free cathode without metal substrate, which leads to significant weight savings in batteries. Lithium sulfur (Li?S)

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Li-ion Batteries Battery Lithium Sulfur 150

Green Car Congress

AUGUST 25, 2014

from Shanghai Jiao Tong University (China) report the use of a new dual-salts electrolyte composed of Li[N(SO 2 F) 2 ] and Li[N(SO 2 CF 3 ) 2 ] to simultaneously cope with low cycle efficiency and lithium dendrite formation. Our first market will be consumer electronics, and after that, we’ll move to other sectors. 2014.08.019.

Recharge 281

Recharge Batteries Battery Energy 281

Green Car Congress

AUGUST 5, 2011

The renewable energy projects are: Safe, high-performance lithium-sulfur batteries for electric vehicle applications. In 2001, U-M became the first non-Chinese academic institution approved to offer graduate engineering degrees in China, at SJTU.

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Universal Energy Lithium Sulfur Batteries 218

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. 2016.05.024.

Carbon 150

Carbon Li-ion Lithium Sulfur Transportation 150

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. Batteries Graphene Li-Sulfur' —Li et al.

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Li-ion Batteries Battery Lithium Sulfur 150

Green Car Congress

DECEMBER 14, 2020

A team led by Professor Cheong Ying Chan at Hong Kong University Of Science And Technology (HKUST) Energy Institute, has proposed a novel cathode design concept for lithium-sulfur (Li-S) battery that substantially improves the performance of this kind of promising next-generation battery. Nanotechnol.

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Li-ion Design Saudi Arabia Lithium Sulfur 418

Green Car Congress

NOVEMBER 1, 2012

Researchers in China are proposing a new strategy for addressing some of the issues limiting the commercialization of high energy density lithium-sulfur batteries ( earlier post ): using small sulfur allotropes (different forms of the same element)—i.e., d) Rate capabilities of S/(CNT@MPC) and S/CB.

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Li-ion China Batteries Battery 281

Charged EVs

FEBRUARY 7, 2023

Solid-state, lithium-sulfur, sodium batteries—would all of these still be using graphite in the anode? There’s also pre-lithiation of the anode which is kind of preloading it with lithium ions. The largest graphite mine in the world right now is in China, up in the northeast province. There’s no overseas shipping, etc.

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Future Batteries Battery Li-ion 113

Cars That Think

NOVEMBER 19, 2022

It can take five or more years to get a lithium mine up and going, but operations can only start after it has secured the required permits , a process which itself can take years. Mining the raw materials, of course, assumes that there is sufficient refining capability to process them, which outside of China , is limited.

Batteries 82

Batteries Battery Lithium Ion Nickel Metal Hydride 82

Electric Auto Association

OCTOBER 6, 2021

The US Energy Department recently launched a research center on lithium ion battery recycling , and recycling technologies are undergoing development and testing in China and the European Union , as well as the U.S. Issues and answers Concerns remain about the sustainability of lithium ion EV batteries.

Clean 74

Clean Cleaning Manufacturer Batteries 74

Electric Auto Association

OCTOBER 6, 2021

The US Energy Department recently launched a research center on lithium ion battery recycling , and recycling technologies are undergoing development and testing in China and the European Union , as well as the U.S. Issues and answers Concerns remain about the sustainability of lithium ion EV batteries.

Clean 59

Clean Cleaning Manufacturer Batteries 59