Green Car Congress

NOVEMBER 17, 2014

Researchers at the University of Wollongong (Australia) have synthesized lead germanate-graphene nanosheets (PbGeO 3 -GNS) composites for use as anode materials for Li-ion batteries (LIBs). 1 ), low working potential, and high lithium ion diffusivity (400 times higher than that of the well-studied Si). 1 at 100 mA g ?1

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Li-ion Lithium Ion 2014 Energy Storage 218

Green Car Congress

MARCH 29, 2013

sand, or quartz) nanocubes as an anode material for Li-ion batteries (LIBs). However, the drastic volume variation (around 300%) during repeated insertion and extraction of lithium ions leads to its remarkable capacity fading. 2001] reported that commercial SiO 2 nanoparticles could react with Li between 0.0

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Li-ion Lithium Ion China Batteries 257

Green Car Congress

AUGUST 18, 2014

Ragone plot, comparing Li-CNT-F batteries with other batteries in terms of weight of cathode materials. The highest energy density for Li-CNT-F batteries, 4,113 Wh kg carbon ?1 Their system is based on a lithium-carbon battery configuration, but with a different approach. 1 is presented as a red star.

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Li-ion Carbon Lithium Ion Energy 225

Baua Electric

JANUARY 19, 2024

GODI crossed a milestone by developing India’s first in-house NMC811 cathode material-based Li-ion cells, BIS certified in mid-2022. Pioneering large Farad (2.7V-3000F) 3000F) supercapacitors for surge power applications.

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Li-ion India Auto Energy Storage 52

Green Car Congress

SEPTEMBER 11, 2010

A team at Tsinghua University in China has developed a film of porous carbon nanofibers containing Sn/SnO x nanoparticles in the pores for use as an anode material in Li-ion batteries. A paper on the work is in press in the journal Carbon. Carbon Article in Press doi: 10.1016/j.carbon.2010.08.046.

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Li-ion Carbon Lithium Ion 2010 186

Green Car Congress

SEPTEMBER 19, 2016

Researchers affiliated with Ulsan National Institute of Science and Technology (UNIST), South Korea, and Stanford University have demonstrated the feasibility of a next-generation hybrid anode for high-capacity Li-on batteries using silicon-nanolayer-embedded graphite/carbon. Nature Energy 1 Article number: 16113 doi: 10.1038/nenergy.2016.113.

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Li-ion Carbon South Korea Lithium Ion 150

Green Car Congress

JANUARY 7, 2015

A team from the University of Rome Sapienza has developed a rechargeable lithium-ion polymer battery based on the combination of a high capacity sulfur-carbon cathode, nanostructured Li x Sn-C anode and polysulfide-added PEO-based gel membrane. Moreover, the addition of a dissolved polysulfide (i.e.

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Li-ion Polymer Lithium Sulfur Energy 150

Green Car Congress

JUNE 6, 2010

GMP40 (60:40 weight ratio of mixed mesophase pitch carbon and phenolic resin) produced the best results. However, carbon remains the predominant commercial anode material solution at this point. Some studies have demonstrated that carbon coating of graphite improves the anode performance in LIBs. Credit: ACS, Lin et al.

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Li-ion Carbon Lithium Ion Charging 186

Baua Electric

APRIL 12, 2024

Given India’s dependence on 100% imported lithium-ion cells for electric vehicle batteries, there exists a compelling drive to cultivate indigenous cell and battery manufacturing capacities to meet the burgeoning demands. The partnership offers significant benefits for both companies.

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Lithium Sulfur Li-ion Auto Lithium Ion 52

Baua Electric

JANUARY 16, 2024

At the heart of this collaboration lies noco-noco’s X-SEPA separator technology capable of extending the life of the conventional lithium-ion batteries fivefold, when used with a proprietary electrolyte, Greenfuel said in a release. million by 2031 with a CAGR of 22.1% within the forecast period. .”

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Li-ion Auto Batteries Battery 52

Green Car Congress

FEBRUARY 4, 2014

A major barrier to the use of high energy capacity silicon in a lithium-ion battery is the volumetric expansion of silicon under lithiation and delithiation, which results in electrode degradation and capacity fade. Silicon (shown in grey) is capable of holding 10 times as many lithium ions (shown in pink) as currently-used anodes.

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Li-ion Insight Lithium Ion Batteries 199

Green Car Congress

JUNE 12, 2013

Schematics of Li + /Na + mixed-ion battery. Lithium-intercalation compounds and sodium-intercalation compounds are used for anode and cathode, respectively. During charging (or discharging), the storage (or release) of Li + takes place at anode, and the release (or storage) of Na + occurs at cathode. Chen et al.

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Li-ion Batteries Battery Sodium 170

Green Car Congress

MARCH 12, 2018

Researchers at The University of Western Ontario (UWO) have discovered a new conductive phase during the carbon-coating process of lithium iron phosphate (LFP) cathode material that can improve the electrochemical performance of lithium-ion batteries. Surface conductive phase formation during carbon coating process. (a)

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Carbon Lithium Ion Li-ion 2018 186

Green Car Congress

SEPTEMBER 12, 2010

A team from the University of Tokyo and the Tokyo Institute of Technology has synthesized a new pyrophosphate compound (Li 2 FeP 2 O 7 ) by a conventional solid-state reaction for use as a cathode material in Li-ion batteries. 1 µm particles without any special efforts such as nanosizing or carbon coating.

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Li-ion Lithium Ion 2010 Plug-in 220

Green Car Congress

APRIL 2, 2014

m used as a Li-ion electrode material exhibits a high capacity and stable cycling of 800 mAh g ?1. The mechanical and chemical stabilities of the electrodes were ensured by an optimal electrode-electrolyte system design, with a polyimide-based binder together with fluoroethylene carbonate in the electrolyte, the authors said.

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Li-ion Batteries Battery Lithium Ion 220

Green Car Congress

JANUARY 27, 2015

In a paper published in Nature Communications , they report that the porosity of the ion-conducting membrane (ICM) is smaller than the growth area of the dendrites; the aramid nanofibers thus eliminate “weak links” where dendrites can pierce a membrane. Unlike other ultra strong materials such as carbon nanotubes, Kevlar is an insulator.

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Li-ion Batteries Battery Lithium Ion 150

Baua Electric

APRIL 19, 2024

Unquestionably, the industry wave of the previous EVs has been lithium-ion (Li-ion) batteries used as power sources. Consequently, with the advent of new battery technology and charging networks, the EV market is gaining popularity among consumers who are looking into ways of decreasing their carbon footprints.

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Li-ion Auto Lithium Ion Batteries 40

Green Car Congress

JULY 2, 2011

In a paper published in the ACS journal Nano Letters , they suggest that this material represents a promising cathode material for rechargeable Li-ion batteries with high energy density. principle, graphene-sulfur composite could lead to improved sulfur cathode materials for Li-S batteries. Earlier post.) —Wang et al.

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Li-ion Energy Batteries Battery 239

Green Car Congress

MAY 2, 2011

A team from Nanyang Technological University (China) has developed a scalable self-assembly strategy to create bio-inspired honeycomb-like hierarchical structures composed of functionalized graphene sheets to work as anodes in lithium-ion batteries. ACS Nano Article ASAP doi: 10.1021/nn2001728. Credit: ACS, Yin et al.

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Li-ion Lithium Ion Batteries Battery 210

Green Car Congress

FEBRUARY 19, 2015

Researchers at the University of California, Riverside’s Bourns College of Engineering have developed a novel nano-silicon paper electrode material for high capacity lithium-ion batteries. binderless) carbon-coated Si nanofiber (C-SiNF) electrodes produce a capacity of 802 mAh g ?1 The free-standing (i.e., —Favors et al.

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Carbon Li-ion Lithium Ion Polymer 150

Green Car Congress

AUGUST 6, 2009

Top: Schematic illustration of Si coating onto carbon nanofibers (left) Bare CNFs. Researchers at Stanford, led by Dr. Yi Cui, have developed another approach to a silicon-based lithium-ion anode with the introduction of a novel design of carbon-silicon core-shell nanowires for high power and long life electrodes.

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Li-ion Carbon Lithium Ion Batteries 186

Green Car Congress

APRIL 27, 2014

Capacity and coulombic efficiency versus cycle index of Li-PGN cathodes at a rate of ~1C. O 2 and Li 3 V 1.98 Researchers at Rensselaer Polytechnic Institute have developed a safe, extended cycling lithium-metal electrode for rechargeable Li-ion batteries by entrapping lithium metal within a porous graphene network (Li-PGN).

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Recharge Li-ion Carbon Batteries 252

Green Car Congress

MAY 13, 2016

The heterostructure model well explains the distinctive structure and properties of the material, which could play an important role in boosting the capacity of Li-ion batteries. The new findings show that its structure allows the storage of a larger number of Li ions, in turn leading to higher capacity.

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Li-ion Nissan Insight Batteries 150

Green Car Congress

JUNE 27, 2015

A team at Samsung Advanced Institue of Technology ( SAIT , Samsung’s global R&D hub) reports in an open access paper published in the journal Nature Communications on a new approach to advance high-capacity silicon (Si) anodes for Li-ion batteries (LIBs) to commercial viability, with a particular focus on improving the volumetric capacity of LIBs.

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Li-ion Lithium Ion Commercial Batteries 150

Green Car Congress

SEPTEMBER 21, 2011

Schematic of design and fabrication process of hollow carbon nanofibers/sulfur composite structure. 80%) during cycling; and the insulating nature of Li 2 S. However, the intermediate polysulfides are soluble in the electrolyte and can diffuse to the lithium anode, resulting in undesired parasitic reactions. Click to enlarge.

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Li-ion Carbon Batteries Battery 186

Green Car Congress

AUGUST 5, 2015

A team of researchers at MIT and Tsinghua University has developed a high-rate, high-capacity and long-lived anode for Li-ion batteries comprising a yolk-shell nanocomposite of aluminum core (30 nm in diameter) and TiO 2 shell (~3 nm in thickness), with a tunable interspace (Al@TiO 2 , or ATO). —Li et al.

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Li-ion MIT Batteries Battery 150

Green Car Congress

MARCH 27, 2009

Stacked plots of in situ 7Li static NMR spectra and electrochemical profile of the first discharge (C) of an actual crystalline Si vs Li/Li+ battery. However, silicon anodes are problematic because the material’s volume changes by up to 300-400% upon the insertion and extraction of lithium ions during charge/discharge cycles.

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Li-ion Lithium Ion Batteries Battery 150

Green Car Congress

APRIL 8, 2010

As has been noted many times, silicon is a promising candidate for electrodes in lithium ion batteries due to its large theoretical energy density of about 4,200 mAhg -1 —10x higher than graphite (372 mAhg -1 )—and relatively low working potential (~0.5 V vs Li/Li + ). Article ASAP doi: 10.1021/nl100086e.

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Li-ion Lithium Ion Ni-Li Universal 170

Green Car Congress

JANUARY 31, 2010

Researchers in China and Germany have coated carbon nanotubes (CNT) with a nanoporous layer of TiO 2 to create coaxial nanocables for use as electrode materials in Li-ion batteries (LIB). Carbon provides sufficient electronic conductivity but lacks sufficient ion conductivity. Credit: ACS, Cao et al.

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Li-ion Energy Carbon Lithium Ion 218

Electric Vehicles India

AUGUST 10, 2021

Currently, India is importing 100% of lithium-ion batteries from China, Europe, the US and Japan. There are two types of batteries widely used in India at present is the lead-acid and lithium-ion batteries. Tata Chemicals has established a circular economy in its lithium-ion battery business.

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India Manufacturer Electric Vehicles Lithium Ion 105

Green Car Congress

OCTOBER 12, 2009

An international team of researchers from Stanford University, Università degli Studi di Milano-Bicocca, and Korea Advanced Institute of Science and Technology (KAIST) is proposing the use of single nanostructure devices as a powerful new diagnostic tool for Li-ion batteries. Article ASAP doi: 10.1021/nl902315u.

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Li-ion Batteries Battery 2009 186

Green Car Congress

APRIL 11, 2016

Researchers at Kansas State University have developed a new high-performance Li-ion battery anode material combining silicon oxycarbide (SiOC) glass and graphene. Majority of lithiation occurs via adsorption at disordered carbon phase, which is uniformly distributed in the SiOC amorphous matrix. The self-standing (i.e.,

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Li-ion Lithium Ion Carbon Kansas 150

Green Car Congress

JUNE 8, 2014

Researchers at the University of Maryland, with colleagues at the University of Illinois at Chicago, report on a new method for expanding graphite for use as a superior anode for sodium-ion batteries in a paper in Nature Communications. to enlarge the interlayer lattice distance to accomodate the larger sodium ions.

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Sodium Li-ion Maryland Batteries 210

Green Car Congress

APRIL 21, 2011

They compiled a transparent life cycle inventory (LCI) in a component-wise manner for nickel metal hydride (NiMH), nickel cobalt manganese lithium-ion (NCM), and iron phosphate lithium-ion (LFP) batteries. As an approximate indicator, if we assume a vehicle powertrain efficiency of 0.5 Credit: ACS, Majeau-Bettez.

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Nickel Metal Hydride NiMH PHEV Li-ion 334

Green Car Congress

JULY 25, 2016

An international team from MIT, Argonne National Laboratory and Peking University has demonstrated a lab-scale proof-of-concept of a new type of cathode for Li-air batteries that could overcome the current drawbacks to the technology, including a high potential gap (>1.2 V) V versus Li/Li +. volts to 0.24

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Cheap Li-ion Batteries Battery 150

Charged EVs

SEPTEMBER 28, 2021

O’Connor: That’s part of the innovation—using a carbon-based filter in our system, instead of using traditional filters you’d see in filter presses. Charged : In a typical lithium-ion battery recycling process, would this be an added step that would help what’s currently used, or would it replace things?

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Li-ion Transportation Batteries Battery 89

Green Car Congress

FEBRUARY 26, 2010

The new battery combines a Li 2 S/mesoporous carbon composite cathode and a silicon nanowire anode. Yi Cui at Stanford University have demonstrated a new proof-of-concept lithium metal-free battery with high specific energy consisting of a lithium sulfide (Li 2 S)/mesoporous carbon composite cathode and a silicon (Si) nanowire anode.

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Li-ion Recharge Lithium Sulfur Energy 199