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

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

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

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.

Lithium Sulfur 150

Lithium Sulfur Batteries Battery Carbon 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.

Lithium Sulfur 186

Lithium Sulfur Batteries Battery Carbon 186

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

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

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. 5b01837.

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Li-ion Design Lithium Sulfur Carbon 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

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. carbon hybrids and demonstrated the improved electrochemical performances. Batteries Graphene Li-Sulfur'

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Li-ion Batteries Battery Lithium Sulfur 150

Green Car Congress

AUGUST 5, 2011

The renewable energy projects are: Safe, high-performance lithium-sulfur batteries for electric vehicle applications. The goal of the U-M/SJTU Collaborative Research Program in Renewable Energy Science and Technology is to develop new technologies that reduce global carbon emissions and their impact on climate change.

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Universal Energy Lithium Sulfur Batteries 218

Green Car Congress

NOVEMBER 1, 2012

Electrochemical properties of sulfur-carbon composite. (a) 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.,

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Li-ion China Batteries Battery 281

Charged EVs

FEBRUARY 7, 2023

Graphite is a pure form of carbon. Its physical structure allows it to store lithium ions. This crystalline carbon allotrope is good for more than just pencils—it’s found in every EV battery anode, and producing graphite in the forms needed to build high-performance battery cells is a complex and exacting process.

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Future Batteries Battery Li-ion 112

Electric Auto Association

OCTOBER 6, 2021

What is the impact on the EV lifecycle carbon footprint? A 30% decrease in grid carbon intensity would reduce emissions from the battery production chain by about 17%. Audi’s e-Tron batteries are manufactured at a carbon-neutral facility. 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

What is the impact on the EV lifecycle carbon footprint? A 30% decrease in grid carbon intensity would reduce emissions from the battery production chain by about 17%. Audi’s e-Tron batteries are manufactured at a carbon-neutral facility. Issues and answers Concerns remain about the sustainability of lithium ion EV batteries.

Clean 59

Clean Cleaning Manufacturer Batteries 59