Green Car Congress

JUNE 10, 2019

Because of their high energy-storage density, materials such as metal oxides, sulfides, and fluorides are promising electrode materials for lithium-ion batteries in electric vehicles and other technologies. However, their capacity fades very rapidly. Top: Fe 3 O 4 (iron oxide) sample after three cycles.

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Lithium Ion Li-ion Batteries Battery 236

Green Car Congress

AUGUST 16, 2023

His research emphasis is on accelerating the world’s transition to sustainable energy through materials innovation and developing efficient and cost-effective processes for lithium ion battery recycling, specifically with respect to electrode/metal separation and direct cathode regeneration.

Toyota 270

Toyota Li-ion Los Angeles San Francisco 270

Green Car Congress

MARCH 26, 2018

Researchers led by a team from MIT, with colleagues from Oak Ridge National Laboratory (ORNL), BMW Group, and Tokyo Institute of Technology have developed a fundamentally new approach to alter ion mobility and stability against oxidation of lithium ion conductors—a key component of rechargeable batteries—using lattice dynamics.

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MIT Lithium Ion Li-ion Design 170

Green Car Congress

DECEMBER 1, 2020

Magnesium batteries have long been considered a potentially safer and less expensive alternative to lithium-ion batteries, but previous versions have been severely limited in the power they delivered. His group recently published a review article in Nature Energy on the roadmap to better multivalent batteries.

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Li-ion Batteries Battery Power 373

Green Car Congress

MAY 8, 2017

These lithium-ion batteries feature a hybrid solid-liquid electrolyte system, in which the electrodes are coated with a solid electrolyte layer. The incorporation of this technology into Forge Nano’s offering will lead to a substantial reduction in cost per unit energy of lithium-ion batteries.

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Li-ion Lithium Ion Ni-Li Batteries 170

Green Car Congress

APRIL 23, 2017

Researchers at the University of California, Riverside’s Bourns College of Engineering have used waste glass bottles and a low-cost chemical process to fabricate nanosilicon anodes for high-performance lithium-ion batteries. Changling Li, Chueh Liu, Wei Wang, Zafer Mutlu, Jeffrey Bell, Kazi Ahmed, Rachel Ye, Mihrimah Ozkan & Cengiz S.

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Li-ion Waste Lithium Ion Batteries 150

Green Car Congress

AUGUST 18, 2014

Reaching beyond the horizon of LIBs [lithium-ion batteries] requires the exploration of new electrochemistry and/or new materials. The induced fluorination of CNTA papers activates the reversible fluorination/defluorination reactions and lithium-ion storage/release at the CNTA paper cathodes, resulting in a dual-storage mechanism.

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Li-ion Carbon Lithium Ion Energy 225

Get Electric Vehicle

JANUARY 8, 2022

Electric vehicles are catching on, and lithium-ion battery pack and cell prices are declining, despite a global pandemic, a global semiconductor shortage, significant shortages of numerous things, and increased prices on practically everything. In 2010, the average cost of a lithium-ion battery pack was $1,200 per kWh.

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Price Batteries Battery Lithium Ion 98

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

MARCH 28, 2011

Used as a cathode material for lithium-ion batteries (LIBs), the material shows a stable and highly reversible capacity. We believe the strategy of creating porosity may be extended to other electrode materials to improve the performance of lithium ion batteries. 2011, Advance Article doi: 10.1039/C0JM04398B.

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Li-ion Lithium Ion Batteries Battery 199

Green Car Congress

NOVEMBER 17, 2014

In an open access paper in the Nature journal Scientific Report s, the team suggests that the PbGeO 3 -GNS composite can thus be considered as a potential anode material for higher performing lithium-ion batteries. 1 ), low working potential, and high lithium ion diffusivity (400 times higher than that of the well-studied Si).

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Li-ion Lithium Ion 2014 Energy Storage 218

Green Car Congress

MARCH 29, 2013

However, the drastic volume variation (around 300%) during repeated insertion and extraction of lithium ions leads to its remarkable capacity fading. They attributed the large irreversible capacity (1277 mAhg -1 ) to the formation of SEI layer and irreversible electrochemical reactions between lithium ions and SiO 2.

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Li-ion Lithium Ion China Batteries 257

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. mm (SEM image), 200?µm µm (BSE), and 50?µm Click to enlarge.

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Carbon Lithium Ion Li-ion 2018 186

Green Car Congress

MARCH 8, 2013

Although several attempts have been made on the anode materials, the main disadvantages is that their energy density is still much lower than that of conventional lithium ion batteries due to the narrow electrochemical window of water. Lithium metal reacts rapidly with water to produce hydrogen and lithium hydroxide, LiOH.).

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Li-ion Low Cost Recharge Ni-Li 281

Green Car Congress

DECEMBER 17, 2017

As noted by Jun Lu, Argonne battery scientist and co-author, “ Most of the time, water is bad for non-aqueous lithium-ion batteries. The material also charged very quickly—within less than two minutes—the team found. But in this case, it can be downright good. ”.

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Lithium Titanate Li-ion MIT Batteries 230

Green Car Congress

JUNE 8, 2018

Many efforts therefore have been devoted to the application of silicon anodes to lithium-ion batteries using conventional organic liquid electrolytes to prolong the cruising distance of electric vehicles. These capacities are, respectively, approximately 11 and 3 times larger than those of conventional graphite anode materials.

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Batteries Battery Lithium Ion 2018 186

Green Car Congress

SEPTEMBER 11, 2010

The pores in the fibers and the abundant spaces between the fibers not only offer more interface for the reaction of the film and lithium ions, but also buffer the volumetric change of the whole film during cycling. Carbon Article in Press doi: 10.1016/j.carbon.2010.08.046. 2010.08.046.

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Li-ion Carbon Lithium Ion 2010 186

Green Car Congress

JANUARY 28, 2016

A team from Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory has developed a new practical, high-energy-capacity lithium-ion battery anode out of silicon by encapsulating Si microparticles (∼1–3 µm) using conformally synthesized cages of multilayered graphene. Nature Energy ) Click to enlarge.

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Li-ion Lithium Ion Energy Batteries 150

Green Car Congress

SEPTEMBER 12, 2010

Li 2 FeP 2 O 7 and its derivatives should provide a new platform for related lithium battery electrode research and could be potential competitors to commercial olivine LiFePO 4 , which has been recognized as the most promising positive cathode for a lithium-ion battery system for large-scale applications, such as plug-in hybrid electric vehicles.

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Li-ion Lithium Ion 2010 Plug-in 220

Green Car Congress

APRIL 11, 2014

These advantages also make the mesoporous silicon a potential candidate for other applications, such as optoelectronics, drug delivery systems and even lithium-ion batteries. The researchers are also looking into using this porous silicon as the anode in a lithium ion battery. Fang Dai, Jiantao Zai, Ran Yi, Mikhail L.

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Li-ion Sodium Lithium Ion Production 218

Green Car Congress

FEBRUARY 26, 2011

Rosa Palacín (2011) Nickel nitride as negative electrode material for lithium ion batteries. Advance Article doi: 10.1039/C0JM04144K. Ni 3 N ‘cast’ electrodes exhibited good rate capability, with 500 mAh g -1 reversible capacity maintained after 10 cycles at a rate of 1 Li per h. —Gillot et al.

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Li-ion Ni-Li Lithium Ion Spain 218

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. The researchers’ future work involves implementing the silicon nanofibers into a pouch cell format lithium-ion battery. Batteries'

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Carbon Li-ion Lithium Ion Polymer 150

Green Car Congress

SEPTEMBER 4, 2022

a leading graphene company, announced that it was the winning bidder for a significant portion of the assets of XG Sciences Inc, a developer of silicon-graphene anode materials ( earlier post ), in a sale conducted by XG’s senior secured creditor pursuant to Article 9 of Michigan’s enactment of the Uniform Commercial Code. NanoXplore Inc.,

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Lithium Ion Market Batteries Battery 150

Green Car Congress

FEBRUARY 22, 2011

Xufeng Zhou, Feng Wang, Yimei Zhu and Zhaoping Liu (2011) Graphene modified LiFePO 4 cathode materials for high power lithium ion batteries. Advance Article doi: 10.1039/C0JM03287E.

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Li-ion Power Powered Lithium Ion 218

Green Car Congress

SEPTEMBER 19, 2016

Minseong Ko, Sujong Chae, Jiyoung Ma, Namhyung Kim, Hyun-Wook Lee, Yi Cui, and Jaephil Cho (2016) “Scalable synthesis of silicon-nanolayer-embedded graphite for high-energy lithium-ion batteries.” Nature Energy 1 Article number: 16113 doi: 10.1038/nenergy.2016.113. 2016.113.

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Li-ion Carbon South Korea Lithium Ion 150

Green Car Congress

JANUARY 27, 2015

They are large enough to let individual lithium ions pass, but small enough to block the 20-to-50-nanometer tips of fern-like dendrite structures. Kotov (2015) “A dendrite-suppressing composite ion conductor from aramid nanofibres” Nature Communications 6, Article number: 6152 doi: 10.1038/ncomms7152. Batteries'

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Li-ion Batteries Battery Lithium Ion 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.

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Li-ion Lithium Ion Batteries Battery 210

Green Car Congress

JUNE 6, 2010

As one of the many approaches under investigation to increase the power density, specific capacity, and cyclic efficiency of rechargeable lithium-ion batteries, researchers are seeking to develop higher-capacity anode materials (such as silicon- or tin-based materials). Energy Fuels, Article ASAP doi: 10.1021/ef1004122.

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Li-ion Carbon Lithium Ion Charging 186

Green Car Congress

APRIL 11, 2016

The porous reduced graphene oxide matrix serves as an effective electron conductor and current collector with a stable mechanical structure, and the amorphous silicon oxycarbide particles cycle lithium-ions with high Coulombic efficiency. This structure and mechanism of lithium storage is different than crystalline silicon electrodes.

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Li-ion Lithium Ion Carbon Kansas 150

Green Car Congress

SEPTEMBER 4, 2010

Although lithium ion batteries can provide higher energy density (W h/kg) than other secondary systems, they have limited power density (W/kg) compared to double layer and pseudocapacitors. Hence the improvement of the specific power density in lithium ion batteries is a fundamental issue to develop better HEVs and EVs.

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Li-ion Ni-Li Lithium Ion Power 186

Green Car Congress

JANUARY 2, 2018

The analyses show that as lithium ions migrate from the cathode to the anode upon charging, transition metal ions move to fill the lithium vacancies—but not all of the metal ions move back during discharge. —Gent et al. Toney, Wanli Yang, David Prendergast & William C.

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Li-ion Batteries Battery Lithium Ion 207

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. At the lower C-rate, the cell may stably deliver a capacity of about 1500?

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Li-ion Polymer Lithium Sulfur Energy 150

Green Car Congress

MARCH 22, 2016

Two cells based on the novel solid electrolytes performed very well in trials in comparison with lithium-ion batteries. Both all-solid-state cell types exhibited superior performance compared with lithium ion batteries. Cl 0.3 ), as well as high stability ( ∼0 V versus Li metal for Li 9.6 P 3 S 12 ). 2016.30.

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Japan Li-ion Batteries Battery 150

Green Car Congress

JUNE 8, 2014

to enlarge the interlayer lattice distance to accomodate the larger sodium ions. If they follow Yang’s procedure, they can use it to make expanded graphite suitable for sodium-ion batteries. They won’t be as powerful as lithium-ion batteries. —UMD Professor Chunsheng Wang.

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Sodium Li-ion Maryland Batteries 210

Green Car Congress

JANUARY 21, 2014

1 , which is one order of magnitude higher than that of lithium-ion batteries. Percival Zhang (2014) “A high-energy-density sugar biobattery based on a synthetic enzymatic pathway,” Nature Communications 5, Article number: 3026 doi: 10.1038/ncomms4026. 2 —far higher than the values for systems based on immobilized enzymes.

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Virginia Energy Fuel Energy Storage 343

Green Car Congress

AUGUST 1, 2011

A battery that uses sodium ions instead of lithium ions could potentially be much less expensive and safer, and it would be more environmentally benign. However, Na-ion batteries have exhibited weak charge-discharge behavior except at high temperature—indicative of sluggish kinetics in standard carbon anodes.

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Sodium Carbon Batteries Battery 186

Green Car Congress

JULY 26, 2017

Solid-state lithium-ion batteries, with higher volumetric energy densities than currently available lithium-ion batteries, offer a number of conceptual advantages including improved packaging efficiency; improved safety; and long cycle life. 2016.30.

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Li-ion MIT Batteries Battery 170