Green Car Congress

FEBRUARY 21, 2021

An all-solid-state lithium battery using inorganic solid electrolytes requires safety assurance and improved energy density, both of which are issues in large-scale applications of lithium-ion batteries. Operational difficulty of all-solid-state batteries using them generally lies in the construction of the electrode-electrolyte interface.

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Li-ion Batteries Battery Lithium Ion 536

Green Car Congress

APRIL 2, 2019

The Rice University lab of materials scientist Pulickel Ajayan has used an environmentally friendly deep eutectic solvent to extract valuable elements from the metal oxides commonly used as cathodes in lithium-ion batteries. As a whole, recycling lithium-ion batteries is typically expensive and a risk to workers. Tran et al.

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Li-ion Lithium Ion Batteries Battery 230

Green Car Congress

JUNE 22, 2021

The energy density of traditional lithium-ion batteries is approaching a saturation point that cannot meet the demands of the future—in electric vehicles, for example. Lithium metal batteries can provide double the energy per unit weight when compared to lithium-ion batteries. —Rajendran et al.

Carbon 448

Carbon Li-ion Lithium Ion Batteries 448

Green Car Congress

OCTOBER 13, 2014

Researchers from Nanyang Technological University (NTU Singapore) led by Professor Xiaodong Chen have developed a new TiO 2 gel material for Li-ion battery anodes. A battery equipped with the new anode material can be recharged up to 70% in only 2 minutes. A 2013 paper (Dylla et al. ) —Prof. Chandran, B.

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Li-ion Singapore Lithium Ion Batteries 290

Green Car Congress

JANUARY 21, 2013

John Goodenough at the University of Texas at Austin and colleague Kyu-Sung Park have written a perspective paper on Li-ion batteries (LIBs), published in the Journal of the American Chemical Society. More recently, at the University of Texas, Austin, Dr. Goodenough patented a new class of iron phosphate materials.

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Li-ion PHEV Transportation Batteries 262

Green Car Congress

MARCH 13, 2020

Commercial fast-charging stations subject electric car batteries to high temperatures and high resistance that can cause them to crack, leak, and lose their storage capacity, according to researchers at the University of California, Riverside (UCR) in a new open-access study published in the journal Energy Storage. Ozkan Lab/UCR).

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International Commercial Charging Li-ion 524

Green Car Congress

AUGUST 1, 2020

Scientists from Idaho National Laboratory and the University of California San Diego have shown that slow, low-energy charging causes lithium atoms to deposit on electrodes in a disorganized way that improves charging behavior. Lithium metal is a preferred anode for high-energy rechargeable batteries. —Wang et al.

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Li-ion Batteries Battery San Diego 327

Green Car Congress

NOVEMBER 26, 2012

Li-ion cathode materials that deliver high power and capacity and that also do not contain heavy metals are highly desired from a viewpoint of sustainability, the team notes in their paper. discharge properties as a cathode material in a Li-ion battery. Credit: ACS, Nokami et al. Click to enlarge. —Nokami et al.

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Li-ion Charging Batteries Battery 287

Green Car Congress

MAY 14, 2013

The Li / Support is the electrode made possible with the convection battery technology. Researchers at the University of Missouri led by Prof. The technology allows lithium-metal batteries to be recharged without the dendrite failure (short circuit) that has prevented rechargeable lithium-metal batteries from being commercially viable.

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Missouri Recharge Batteries Battery 330

Green Car Congress

JANUARY 24, 2011

is introducing new graphene composite anode materials for Li-ion batteries. Targray says that the Vor-Charge Graphene Composite Anode Material outperforms carbon nanotube and carbon black composites, and enables increased cycle life and faster recharge rates. There is no lithium metal plating during fast recharge.

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Li-ion Batteries Battery Recharge 236

Green Car Congress

FEBRUARY 8, 2021

New research conducted by the Okinawa Institute of Science and Technology Graduate University (OIST) has identified a specific building block that improves the anode in lithium-ion batteries. Traditionally, graphite is used for the anode of a lithium-ion battery, but this carbon material has major limitations.

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Li-ion Lithium Ion Batteries Battery 243

Green Car Congress

DECEMBER 23, 2021

Researchers at the Department of Energy’s SLAC National Accelerator Laboratory and Stanford University may have found a way to revitalize rechargeable lithium batteries, potentially boosting the range of electric vehicles and battery life in next-gen electronic devices. Credit: Greg Stewart/SLAC National Accelerator Laboratory.

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Lithium Ion Batteries Battery Li-ion 385

Green Car Congress

MAY 18, 2009

Oxygen drawn from the air reacts within the porous carbon to release the electrical charge in this lithium-air battery. Researchers in the UK are developing a rechargeable lithium-air battery that could deliver a ten-fold increase in energy capacity compared to that of currently available lithium-ion cells. Click to enlarge.

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Lithium Air Li-ion Recharge Batteries 262

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

FEBRUARY 10, 2014

Researchers at University of Limerick and University College Cork (Ireland) have developed high-performance and high-capacity lithium-ion battery anodes from high-density tin-seeded germanium nanowire arrays grown directly from the current collector. The illustration shows the formation of the porous network over time.

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Li-ion Lithium Ion Batteries Battery 225

Green Car Congress

MAY 31, 2016

Toshiba Corporation has developed a fast, cable-free contactless charger for electric vehicles (EVs), and will field test it on a medium-sized EV bus designed to handle the power demands of regular high-speed journeys on expressways. Field tests will start from 1 June and continue until December. The 11-kilometer (6.8-mile)

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Li-ion Recharge Batteries Battery 150

Green Car Congress

JUNE 7, 2021

The unique operating profiles and requirements of electric vertical takeoff and landing (eVTOL) aircraft—also known as flying cars—present formidable challenges to batteries. 2021) “Challenges and key requirements of batteries for electric vertical takeoff and landing aircraft”, Joule. Yang et al. Yang et al.

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Batteries Battery Li-ion Downsizing 243

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

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

NOVEMBER 30, 2013

A team from the University of Science and Technology Beijing is proposing a new super-valent battery based on aluminium ion intercalation and deintercalation. The battery exhibits excellent reversibility and relatively long cycle life compared to earlier Al-ion efforts, the team said. Wang et al. Click to enlarge.

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Recharge Li-ion Batteries Battery 240

Green Car Congress

MARCH 23, 2015

Purdue researchers have developed a process to manufacture carbon-nanoparticle and microsheet anodes for Li-ion batteries from polystyrene and starch-based packing peanuts, respectively. These carbonaceous electrodes could also be used for rechargeable sodium-ion batteries.

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Li-ion Convert Batteries Battery 150

Green Car Congress

DECEMBER 13, 2016

Researchers at the University of Texas at Austin, including Prof. As reported in their paper in the RSC journal Energy & Environmental Science , the cells use a solid glass electrolyte having a Li + or Na + conductivity σ i > 10 -2 S cm -1 at 25°C with a motional enthalpy ΔH m ≈ 0.06 Click to enlarge. —Braga et al.

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Low Cost Recharge Austin Li-ion 150

Green Car Congress

JUNE 21, 2019

Imec, a research and innovation hub in nanoelectronics, digital and energy technologies and partner in EnergyVille—a collaboration between the Flemish research partners KU Leuven, VITO, imec and UHasselt—has developed a solid-state Li-metal battery cell with an energy density of 400 Wh/liter at a charging speed of 0.5C (2 hours).

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Li-ion Energy Batteries Battery 297

Green Car Congress

FEBRUARY 5, 2023

Lithium metal batteries with solid electrolytes are lightweight, inflammable, pack a lot of energy, and can be recharged very quickly, but they have been slow to develop due to mysterious short circuiting and failure. Yet others theorize different forces are at play. La 3 Ta 0.4

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Li-ion Water Batteries Battery 457

Green Car Congress

FEBRUARY 10, 2015

Lawrence Berkeley National Laboratory (Berkeley Lab) battery scientist Nitash Balsara and co-inventor Joseph DeSimone of the University of North Carolina at Chapel Hill, have launched Blue Current , a startup company backed by investment firm Faster LLC, to commercialize their non-flammable electrolytes for Li-ion batteries.

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Li-ion Commercial Lithium Ion Batteries 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

MAY 2, 2013

Olivine-typed LiFePO 4 is considered to be an attractive cathode material for lithium-ion bateries (LIBs) applied in the new generation of hybrid electric vehicles (HEVs) and electric vehicles (EVs). Image depicts the LiFePO 4 particles anchored to the crimped unfolded graphene. Source: Jinli Yang. Click to enlarge. Yang et al.

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Universal Li-ion Lithium Ion 2013 236

Green Car Congress

DECEMBER 13, 2011

have signed a Memorandum of Understanding (MoU) to establish a joint venture for high-volume production of superior quality Lithium Iron Phosphate (LFP); LFP is a cost-effective, safe and eco-friendly cathode material for use in rechargeable lithium-ion batteries. LG Chem supplies the Li-ion cells for the Chevy Volt, for example.).

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Li-ion Lithium Ion Manufacturer Batteries 281

Green Car Congress

APRIL 13, 2015

A team of researchers in South Korea and Italy has demonstrated a highly reliable lithium–sulfur battery showing cycle performance comparable to that of commercially available lithium-ion batteries while offering more than double the energy density. The full lithium-ion sulfur cell presented in the study delivers a capacity of ?750

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Li-ion Lithium Sulfur Batteries Battery 150

Green Car Congress

FEBRUARY 24, 2018

Researchers from Shinshu University in Japan have developed a method to suppress the growth of lithium dendrites in Li-S and Li-air batteries. However, use of Li metal poses a number of safety risks, including the deposition of Li dendrites that penetrate the separator and induce internal short-circuiting.

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Li-ion Batteries Battery Standards 252

Green Car Congress

MARCH 4, 2011

The Nikkei reports that Sumitomo Electric Industries Ltd., in partnership with Kyoto University, has developed a lower temperature molten-salt rechargeable battery that promises to cost only about 10% as much as lithium ion batteries. The company and the university have applied for patents.

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Molten Salt Universal Lithium Ion Li-ion 199

Green Car Congress

JUNE 13, 2011

Last week’s 4 th Symposium on Energy Storage: Beyond Lithium-ion , hosted by the Pacific Northwest National Laboratory (PNNL), brought together researchers tackling the “Beyond Li-ion” problem by working on a number of different platforms (e.g., Mg 2+ rather than Li + ). Earlier post.).

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Li-ion Recharge Design Batteries 210

Green Car Congress

APRIL 23, 2019

m PEO polymer electrolyte at the Li/BN interface, Li/Li symmetric cells show a cycle life of more than 500 hours at 0.3 The LiFePO 4 /LATP/BN/PEO/Li solid-state batteries show high capacity retention of 96.6% When combined with ?1–2 after 500 cycles. Credit: Qian Cheng/Columbia Engineering. —Yuan Yang.

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Li-ion Batteries Battery Lithium Ion 207

Green Car Congress

AUGUST 20, 2010

(a) SEM image and (b) cross-sectional images of Li[Ni 0.67 A team from Hanyang University (Korea), Iwate University (Japan) and Argonne National Laboratory in the US synthesized a novel Li[Ni 0.67 The discharge capacity of the concentration-gradient Li[Ni 0.67 and Li[(Ni 0.8 The Li[Ni 0.67

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Li-ion Ni-Li 2009 Lithium Ion 199

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 Reaching beyond the horizon of LIBs [lithium-ion batteries] requires the exploration of new electrochemistry and/or new materials. Click to enlarge.

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Li-ion Carbon Lithium Ion Energy 225

Green Car Congress

APRIL 18, 2017

A team of researchers at the University of California, Riverside has developed an approach to addressing the vexing problem of dendrite formation that hobbles the use of high energy density lithium-metal anodes in advanced recyclable batteries. The earliest non-rechargeable Li batteries using Li metal as anode appeared in the 1970s.

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Li-ion Lithium Ion Recharge Re-Charge 150

Green Car Congress

OCTOBER 10, 2011

Conventional Li-ion cell (left) compared to Seeo cell (right). The California Energy Commission has awarded $1,585,490 to spur research on projects including a solid-state Li-ion battery system for grid-scale energy storage. control over mechanical and electrical properties. Click to enlarge.

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Li-ion Grid Energy California 186