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. The OXIS scientific team expects to achieve a goal of an energy density in excess of 400 Wh/kg by the end of 2016 and in excess of 500Wh/kg by the end of 2018.

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Lithium Sulfur 2015 2018 Companies 225

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%

Lithium Sulfur 259

Lithium Sulfur Li-ion Batteries Battery 259

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

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

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.

Lithium Sulfur 186

Lithium Sulfur Batteries Battery Engine 186

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.

Recharge 259

Recharge Li-ion Lithium Sulfur Energy 259

Green Car Congress

AUGUST 9, 2018

the commercialization of lithium-sulfur (Li-S) batteries has been severely hindered by the polysulfide (PS) shuttling effect whereby PSs dissolve into the electrolyte and shuttle across the separator to react with anode materials, leading to a rapidly fading capacity with repeated charge/discharge cycles. 2018.07.022.

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Li-ion Lithium Sulfur China Batteries 210

Green Car Congress

MARCH 28, 2018

Cho, professor of materials science and engineering, along with research associate Dr. Jeongwoon Hwang, both of the Erik Jonsson School of Engineering and Computer Science, worked with other regional scientists to improve lithium-sulfur batteries. Eunho Cha, Mumukshu D.

Dallas 207

Dallas Li-ion Lithium Sulfur Batteries 207

Green Car Congress

DECEMBER 19, 2018

Weiwen Wang, Xinyang Yue, Jingke Meng, Jianying Wang, Xinxin Wang, Hao Chen, Dingren Shi, Jing Fu, Yongning Zhou, Jian Chen, Zhengwen Fu (2018) “Lithium phosphorus oxynitride as an efficient protective layer on lithium metal anodes for advanced lithium-sulfur batteries,” Energy Storage Materials doi: 10.1016/j.ensm.2018.08.010.

China 249

China Lithium Sulfur Batteries Battery 249

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 23, 2018

The “classic” high-energy capacity Lithium-sulfur battery is predicated on the use of a sulfur-based cathode and a Lithium-metal anode. Among the issues hampering the commercialization of this attractive technology are the safety and performance issues associated with the use of the lithium-metal anode.

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Li-ion Lithium Ion Batteries Battery 231

Green Car Congress

SEPTEMBER 5, 2019

Alternative cell chemistry beyond lithium ion–LiSTAR, Lithium-Sulfur Technology Accelerator. Three of the Faraday Institution’s four existing projects are focused on improving current generation lithium-ion battery chemistry, performance and recyclability.

Energy Storage 223

Energy Storage Li-ion Lithium Ion Energy 223

Green Car Congress

MARCH 30, 2018

The RPI researchers first demonstrated this smoothening (healing) of the dendrites in a lithium-lithium symmetrical cell. They then showed the process with the same results in a proof-of-concept demonstration using a lithium-sulfur battery. Dendrite healing in a Li-S battery. (A) —Nikhil Koratkar.

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Li-ion Lithium Sulfur Lithium Ion Batteries 210

Green Car Congress

JUNE 18, 2018

2 ; and more than 400 stable cycles in prototypical lithium-sulfur cells with limited lithium, corresponding to an average anode Coulombic efficiency of >99%. Melosh, Zhi-Xun Shen, Steven Chu, Yi Cui (2018) “An Ultrastrong Double-Layer Nanodiamond Interface for Stable Lithium Metal Anodes,” Joule doi: 10.1016/j.joule.2018.05.007.

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Li-ion Batteries Battery Lithium Sulfur 199

Green Car Congress

SEPTEMBER 28, 2015

Volkswagen has also invested in next-generation batteries, including lithium-sulfur and solid-state. VW was slowly moving beyond conventional gasoline and diesel engines anyway, Lux noted, with plans of putting out 20 more plug-in vehicles by 2020 ( earlier post )—such as the production version of the Audi e-tron quattro.

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West Virginia Diesel Lithium Sulfur Plug-in 150

Green Car Congress

FEBRUARY 23, 2018

(b) SEM image of the sulfur cathode infiltrated garnet textile electrode architecture; (c) EDX elemental mapping of the sulfur/carbon mixture loaded single garnet fiber; (d) charge–discharge profiles of the solid-state lithium-sulfur battery. Gong et al. Click to enlarge. Wachsman, E. 2018.01.001.

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Li-ion Lithium Ion Batteries Battery 247