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. Li–S batteries theoretically offer a specific energy density of 2600 Wh kg ?1 The system typically uses a lithium-metal anode and sulfur cathode.

Lithium Sulfur 236

Lithium Sulfur Li-ion Batteries Battery 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

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

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. —Chen et al.

Polymer 236

Polymer Batteries Battery Lithium Sulfur 236

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. the application of Li–S batteries is hindered by the following challenges. 2018.04.015.

Lithium Sulfur 186

Lithium Sulfur Batteries Battery Carbon 186

Green Car Congress

FEBRUARY 10, 2015

DNA has a high concentration of heteroatoms, including oxygen, nitrogen and phosphorus, that can anchor soluble polysulfides to improve the cycling performance of Li/S batteries. 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.

Li-ion 150

Li-ion Lithium Sulfur 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). Despite … progresses, achieving Li/S batteries with a high rate and a long cycling life is still difficult.

Li-ion 240

Li-ion Lithium Sulfur China 2000 240

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. The sulfur-HPNACNTs (with 68.8

Carbon 150

Carbon Li-ion Lithium Sulfur Transportation 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)

Li-ion 150

Li-ion Lithium Sulfur Batteries Battery 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. This is the best demonstrated rate performance for sulfur–graphene cathodes to date, according to the team.

Li-ion 150

Li-ion Batteries Battery Lithium Sulfur 150

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.

Li-ion 150

Li-ion Design Lithium Sulfur Carbon 150

Green Car Congress

AUGUST 5, 2011

The energy projects aim to improve wind turbines and electric vehicle batteries and to better understand the combustion physics of biofuels. The renewable energy projects are: Safe, high-performance lithium-sulfur batteries for electric vehicle applications. Physics foundation for controlling biofuel sprays.

Universal 218

Universal Energy Lithium Sulfur Batteries 218

Charged EVs

FEBRUARY 7, 2023

Graphite is a pure form of carbon. Its physical structure allows it to store lithium ions. There are three main forms of graphite: spherical graphite is used in non-EV battery applications, whereas EV batteries use a blend of coated spherical graphite and synthetic graphite. What exactly does graphite do in the anode?

Future 112

Future Batteries Battery Li-ion 112

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.,

Li-ion 281

Li-ion China Batteries Battery 281

Electric Auto Association

OCTOBER 6, 2021

Scientists inform us that today’s transportation sector is the largest contributor to US greenhouse gas emissions driving climate change, but how clean are lithium-ion batteries? of burned gasoline into energy to turn the wheels, electric vehicles (EVs) use 59-62% of the electrical energy from the battery to do the same.

Clean 74

Clean Cleaning Manufacturer Batteries 74

Electric Auto Association

OCTOBER 6, 2021

Scientists inform us that today’s transportation sector is the largest contributor to US greenhouse gas emissions driving climate change, but how clean are lithium-ion batteries? of burned gasoline into energy to turn the wheels, electric vehicles (EVs) use 59-62% of the electrical energy from the battery to do the same.

Clean 59

Clean Cleaning Manufacturer Batteries 59