Green Car Congress

MARCH 29, 2013

A team at the University of Science and Technology of China (Hefei) has developed hollow porous SiO 2 (silicon dioxide, or silica—e.g., sand, or quartz) nanocubes as an anode material for Li-ion batteries (LIBs). 2001] reported that commercial SiO 2 nanoparticles could react with Li between 0.0 Click to enlarge.

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Li-ion Lithium Ion China Batteries 257

Green Car Congress

JANUARY 1, 2014

Researchers from Shanghai University have synthesized Fe 2 O 3 -graphene sheet-on-sheet sandwich-like nanocomposites that, when used as an anode for Li-ion battery, shows a high reversible capacity of 662.4 These metal oxides electrodes have shown much higher Li-ion storage capacities than that of commercial graphite anodes.

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Li-ion Batteries Battery Carbon 240

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

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 and a specific energy of 4113 Wh kg carbon ?1

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Li-ion Carbon Lithium Ion Energy 225

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

Green Car Congress

MARCH 29, 2015

Researchers at Dalhousie University (Canada) led by Dr. Jeff Dahn now report that Li[Ni 1/3 Mn 1/3 Co 1/3 ]O 2 (NMC111)/graphite and Li[Ni 0.42 Their work is published in a paper in an open access article in the Journal of the Electrochemical Society. V and lower thermal reactivity for the charged graphite electrode.

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Li-ion Ni-Li Charging Canada 150

Green Car Congress

JULY 2, 2011

Researchers at Stanford University led by Drs. 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. Credit: ACS, Wang et al. Click to enlarge. Earlier post.) Nevertheless, Wang et al.

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Li-ion Energy Batteries Battery 239

Green Car Congress

APRIL 2, 2014

Researchers at Nanyang Technological University (NTU) report in an open access paper in Scientific Reports that bulk antimony sulfide (Sb 2 S 3 ) with a size of 10–20 ?m m used as a Li-ion electrode material exhibits a high capacity and stable cycling of 800 mAh g ?1. —Yu et al.

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Li-ion Batteries Battery Lithium Ion 220

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

OCTOBER 13, 2019

A new material that can selectively capture CO 2 molecules and efficiently convert them into useful organic materials has been developed by researchers at Kyoto University, along with colleagues at the University of Tokyo and Jiangsu Normal University in China. —Susumu Kitagawa, materials chemist at Kyoto University.

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Polymer Convert CO2 Carbon 255

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

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

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

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

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

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

SEPTEMBER 28, 2016

A team at Sun Yat-sen University in China has developed new high-performance, stable cathode for Li-S batteries consisting of a 3D activated carbon fiber matrix (ACFC) and sulfur. For the composite cathodes with 3D conductive framework, however, the continuous carbon fibers act as high-speed electron pathway.

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Carbon Fiber Carbon Li-ion Batteries 150

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

JULY 9, 2014

Researchers at the University of California, Riverside’s Bourns College of Engineering have synthesized a porous nano-silicon material from beach sand (SiO 2 ) via a highly scalable heat scavenger-assisted magnesiothermic—i.e., using a combination of heat and magnesium—reduction. 1 after 1,000 cycles. Batteries'

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Li-ion Low Cost Cheap All-Electric 231

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 ? Click to enlarge. The free-standing (i.e.,

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Carbon Li-ion Lithium Ion Polymer 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. Li 2 S 2 and Li 2 S can also precipitate on the positive electrode, changing the morphology and resulting in fast capacity fading. Credit: ACS, Zheng et al.

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Li-ion Carbon Batteries Battery 186

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 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

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

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

Green Car Congress

MARCH 21, 2017

Researchers led by a team from Graz University of Technology (TU Graz) in Austria have shown that singlet oxygen ( 1 O 2 ) forms in the cathode of a Li–O 2 battery during discharge and from the onset charge, and that it is responsible for a major fraction of side products that cause fast ageing in the battery. V versus Li/Li +.

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Li-ion Batteries Battery Recharge 170

Green Car Congress

JANUARY 4, 2013

According to the findings by the team from the University of California, Santa Barbara and the Norwegian University of Science and Technology, published in the ACS journal Environmental Science & Technology , even the most land-use efficient biomass-based pathway (i.e.,

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Transportation Carbon Conversion Li-ion 319

Green Car Congress

OCTOBER 3, 2014

Researchers at The Ohio State University have developed a novel strategy to improve the efficiency and performance of non-aqueous lithium-oxygen (Li-air) batteries. O 2 systems require an open system to obtain oxygen from the air; Li metal must also be used as the metal electrode to provide the lithium source. Earlier post.).

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Solar Li-ion Batteries Battery 262

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

Plug In India

MARCH 15, 2023

Team PluginIndia The Lithium mining FUD (Fear, Uncertainty, Doubt) created by some paid media organizations and random YouTube channels is so bad, that many people read headlines of such articles and assume that Lithium mining is the worst thing in the world and is worse than extracting and refining 10,000 liters of oil used by an average ICE car.

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Li-ion Chile Petrol Sodium 59

Green Car Congress

APRIL 21, 2011

Researchers from the Norwegian University of Science and Technology (NTNU) have performed life cycle assessments (LCA) of three batteries for plug-in hybrid (PHEV) and full performance battery electric (BEV) vehicles. Moreover, the NCM and LFP batteries contain at least an order of magnitude less nickel and virtually no rare earth metals.

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Nickel Metal Hydride NiMH PHEV Li-ion 334

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

Cars That Think

DECEMBER 30, 2021

2021 was a big year for energy-related news, what with the ongoing hunt for new forms of energy storage and cleaner if not carbon-free electricity and events and research that spotlighted the weak links in our power grid. This article, by researchers at PARC and the University of Washington, is one possible answer.

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Hydrogen Green Molten Salt China 103

Green Car Congress

MARCH 27, 2017

Researchers at George Washington University led by Dr. Stuart Licht ( earlier post ) have developed a new process that transforms CO 2 into a controlled selection of nanotubes (CNTs) via molten electrolysis; they call the process C2CNT (CO2 into carbon nanotubes). —Ren et al.

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CO2 Carbon Gas-Electric 2017 150

Green Car Congress

AUGUST 4, 2016

Researchers at the University of California, Riverside have found that adding tin nanoparticles—even in small amounts—to a silicon-based anode provides significant improvements in performance in terms of both charge capacity and cycling stability. In this latest work, the UCR team is tackling the conductivity issue. Resources.

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Charging Chad Li-ion Engine 150

Green Car Congress

MARCH 11, 2009

Credit: University of Rochester. Researchers at the University of Rochester (New York) have developed an electrospinning method to produce the longest platinum nanowires with minimal bead formation yet made—an advance that could significantly enhance the longevity and efficiency of fuel cells. Click to enlarge.

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Li-ion Fuel New York Carbon 150

Green Car Congress

DECEMBER 14, 2015

Researchers from Tsinghua University and Peking University have investigated the effects of fuel properties on particulate emissions gasoline direct injection engines (GDI). The GDI tailpipe particulates consist mainly of EC (elemental carbon), OM (organic matter) and small amounts of inorganic ions. Szybist, J.,

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Gasoline Emissions Engine Fuel 150