Green Car Congress

DECEMBER 6, 2021

Here, we combine two operando methods, Kelvin probe force microscopy (KPFM) and neutron depth profiling (NDP), to identify the rate-limiting interface in operating Si-LiPON-LiCoO 2 solid-state batteries by mapping the contact potential difference (CPD) and the corresponding Li distributions. —Alec Talin, co-corresponding author.

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Green Car Congress

JANUARY 9, 2022

Researchers from the Department of Energy’s SLAC National Accelerator Laboratory (SLAC) and Stanford University have made the first clear, detailed images of the solid-electrolyte interphase (SEI) layer in the wet environment of a working Li-ion battery by using cryogenic electron microscopy (cryo-EM). —Zhang et al.

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Green Car Congress

NOVEMBER 1, 2018

A team from Monash University, a leading university in Australia, and the Toyota Research Institute North America (TRINA), a division of Toyota Motor North America R&D (TMNA) based in Ann Arbor, Michigan, reports a novel family of closo-boron-cluster based room temperature ionic liquids (RTILs). Photo Credit: Dr. Mega Kar.

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Universal Li-ion Toyota North America 283

Green Car Congress

FEBRUARY 12, 2018

Researchers from the Harbin Institute of Technology, with colleagues from the Beijing University of Technology and the University of Wisconsin Milwaukee, have synthesized tin chalcogenide (SnSe 0.5 S 0.5 ) nanoplates for use as Li-ion anodes. Electrochemical performance of a Li-ion full cell. (a) Tang et al.

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Li-ion Batteries Battery Lithium Ion 186

Green Car Congress

NOVEMBER 8, 2019

Recycling technologies for end-of-life lithium ion batteries (LIBs) are not keeping pace with the rapid rise of electric vehicles, setting up a potentially huge waste management problem for the future, according to a new study led by researchers at the University of Birmingham. Sommerville, R., Kendrick, E., Driscoll, L.,

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Li-ion Lithium Ion Batteries Battery 199

Green Car Congress

AUGUST 16, 2023

Yaocai Bai and Yuzhang Li have received the 2023–2024 ECS Toyota Young Investigator Fellowships for projects in green energy technology. Dr. Bai received his BS in Materials Chemistry from the University of Science and Technology of China in 2010 and MS in Materials Science in 2012 from King Abdullah University of Science and Technology.

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Green Car Congress

JULY 26, 2016

The dissolution of transition metals (TMs) from Li-ion battery cathodes is a major contributor to cell degradation during cycling and aging. Li 3 PO 4 was unique, in that its coatings on oxide cathode materials maintained equilibrium under both lithiated and delithiated conditions. —Snydacker et al. —Snydacker et al.

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Green Car Congress

MAY 5, 2016

A new study by a team from Carnegie Mellon University’s College of Engineering has found that even large increases in lithium prices are unlikely to increase significantly the cost of batteries or battery packs for end users such as vehicle manufactures or consumers—although some manufacturers may see reduced profit margins.

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Green Car Congress

DECEMBER 11, 2016

However, none of these changes are sufficient to reach the DOE energy storage target of $125 kWh by 2020 , the study found. Historical prices and future cost predictions for lithium-ion batteries. These packs also use cylindrical lithium-ion cells, a departure from the prismatic cells examined in previous models.

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Li-ion Lithium Ion Price Batteries 150

Green Car Congress

SEPTEMBER 25, 2013

Researchers at Arizona State University have shown that paper-folding concepts can be applied to Li-ion batteries in order to realize a device with higher areal energy densities. These initial results showed that the Li-ion batteries can still exhibit good electrochemical performance even after multiple folds, they said.

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Green Car Congress

APRIL 3, 2022

Battery researchers at the University of Eastern Finland have developed a self-standing mesoporous silicon (Si) film anode for lithium-ion batteries. Silicon is a promising anode material for next-generation lithium-ion batteries due to its high theoretical specific capacity and safe electrochemical potential. 1 in half cells.

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Finland Li-ion Lithium Ion Batteries 195

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

OCTOBER 31, 2022

A team of researchers from the University of Tokyo and Nagoya Institute of Technology in Japan has discovered a new mechanism to stabilize the lithium metal electrode and electrolyte in lithium metal batteries. In this context, many studies have been conducted over the past decades to change the graphite negative electrode to lithium metal.

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Li-ion Lithium Ion Batteries Battery 186

Green Car Congress

FEBRUARY 11, 2014

Researchers led by chemist Joseph DeSimone at the University of North Carolina at Chapel Hill, in collaboration with Nitash P. Balsara at UC Berkeley, have identified a new class of nonflammable electrolytes based on functionalized perfluoropolyethers (PFPEs) for lithium-ion batteries. —Dominica Wong, lead author. —Prof.

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Green Car Congress

AUGUST 15, 2022

A team led by researchers from Central South University (Changsha, Hunan, China) has proposed a cathode-electrolyte integration strategy to produce a solid-state lithium-metal battery with enhanced cycle stability. The integrated LiFePO 4 /Li cell exhibits superior electrochemical performance, which present a capacity retention of 93.8%

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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. Their study confirmed that the mechanical-force-driven stirring process is the reason for the lengthening of the nanotubes. A 2013 paper (Dylla et al. )

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Green Car Congress

DECEMBER 18, 2014

A team led by researchers at Chungnam National University (S. In a study reported in the Journal of the Electrochemical Society , the team, led by Professor Seung-Wan Song, operated a 0.6Li 2 MnO 3 ·0.4LiNi 0.45 O 2 (Li 1.2 O 2 (Li 1.2 Proposed interfacial reaction and SEI formation mechanisms of the Li 1.2

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Green Car Congress

JUNE 2, 2021

In January, the California Energy Commission (CEC) released a competitive solicitation ( GFO-20-308 ) to fund applied research and development (ARD) projects that improve, scale-up, and increase the technology readiness of high-value direct recycling processes for lithium-ion batteries. e00152 (open access).

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Green Car Congress

JANUARY 2, 2019

Researchers from Tokyo Institute of Technology, Tohoku University and Nippon Institute of Technology at Tokyo Tech examined the mechanisms behind the resistance at the electrode-electrolyte interface of all-solid-state batteries and found that the crystallinity has a significant impact on interface resistance. —Shiraki et al.

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Li-ion Batteries Battery Lithium Ion 249

Green Car Congress

SEPTEMBER 5, 2017

A researcher at Shizuoka University in Japan has identified new solid materials that could lead to the manufacture of non-toxic solid-state lithium-ion batteries, according to a study recently published in an open access paper in the journal Science and Technology of Advanced Materials. —Makoto Moriya (2017).

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Li-ion Lithium Ion Batteries Battery 170

Green Car Congress

JANUARY 27, 2021

Scientists at Tokyo Institute of Technology (Tokyo Tech), Tohoku University, National Institute of Advanced Industrial Science and Technology, and Nippon Institute of Technology, have demonstrated by experiment that a clean electrolyte/electrode interface is key to realizing high-capacity solid-state lithium batteries (SSLBs). O 4 interfaces.

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Green Car Congress

APRIL 18, 2022

A joint research team from Tohoku University and the University of California, Los Angeles (UCLA) has made a significant advance towards high-voltage metal-free lithium-ion batteries by using a small organic molecule: croconic acid. An open-access paper on their work is published in the journal Advanced Science.

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Lithium Ion Li-ion Batteries Battery 243

Green Car Congress

AUGUST 26, 2019

Researchers at MIT, with a colleague from Tsinghua University, have developed a safety envelope for Li-ion batteries in electric vehicles by using a high accuracy finite element model of a pouch cell to produce more than 2,500 simulations and subsequently analyzing the data with Machine Learning (ML) algorithms. —Li et al.

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Lithium Ion MIT Li-ion Batteries 332

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. However, there remain a number of unresolved issues precluding commercialization at this point.

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Li-ion MIT Batteries Battery 170

Green Car Congress

JUNE 10, 2021

Conventional Li-ion batteries work by cationic redox, when a metal ion changes its oxidation state as lithium is inserted or removed. Within this insertion framework, only one lithium-ion can be stored per metal ion. —Li et al. Credit: Carnegie Mellon University and Northeastern University.

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Li-ion Batteries Battery Lithium Ion 221

Green Car Congress

AUGUST 26, 2021

Researchers at Chalmers University of Technology, Sweden, have developed a nanometric graphite-like anode for sodium ion (Na + storage), formed by stacked graphene sheets functionalized only on one side, termed Janus graphene. Na is comparable to graphite for standard lithium ion batteries. 100 to 150 mA h g ?

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Green Car Congress

AUGUST 5, 2019

With a new coating process, researchers of Karlsruhe Institute of Technology (KIT) have produced electrodes for lithium-ion batteries at record speed. Due to the high reject rate and the low throughput, lithium-ion batteries today are more expensive than actually necessary. Even smallest production errors make battery cells unusable.

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Kits Li-ion Lithium Ion Batteries 321

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).

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Green Car Congress

FEBRUARY 10, 2013

Researchers from the University of Wollongong, Australia and the Ulsan National Institute of Science and Technology (UNIST), S. Korea, have developed a germanium oxide/germanium nanocomposite (GeO 2 /Ge/C) anode material for Li-ion batteries that shows a high capacity of up to 1860 mAh/g at 1 C (2.1 Li+ (2152 mAh/ g).

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Green Car Congress

AUGUST 7, 2020

Researchers at the University of Surrey (UK) are to begin work on a new lithium-ion battery technology that is capable of capturing CO 2 emissions, following a £243,689 award from the Engineering and Physical Sciences Research Council (EPSRC). However, the development of Li-CO 2 batteries is still in its infancy stage.

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Green Car Congress

OCTOBER 18, 2018

Carbon fibers have already beeen demonstrated as high-capacity Li-ion battery anodes, opening the way for their use as structural electrodes—i.e., The researchers studied the microstructure of different types of commercially available carbon fibers. simultaneously carrying mechanical load and storing electrical energy.

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Carbon Fiber Carbon Batteries Battery 286

Green Car Congress

FEBRUARY 7, 2014

A team at the US Army Research Laboratory in Adelphi, Maryland reports on a diagnostic approach to study and to study and to characterize the solid electrolyte interphase (SEI) on graphitic anodes of Li-ion batteries. In state-of-the-art lithium ion batteries, the graphitic anode typically operates at potentials (?

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Green Car Congress

JULY 7, 2016

Silatronix, a developer of unique organosilicon (OS) electrolytes for use in lithium-ion batteries (LIBs) ( earlier post ), has raised US$8 million in new equity capital, and secured partnerships for distribution and joint technological development. Current Li-ion electrolytes are unstable above 60 °C and at charge voltages above 4.3

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Li-ion Batteries Battery Wisconsin 150

Green Car Congress

DECEMBER 20, 2016

Garnet-type solid-state electrolytes (SSEs) for Li-ion batteries offer a range of attractive benefits, including high ionic conductivity (approaching 1 mS cm −1 at room temperature); excellent environmental stability with processing flexibility; and a wide electrochemical stability window. With the garnet composition Li 7 La 2.75

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Li-ion Lithium Ion Batteries Battery 150

Green Car Congress

SEPTEMBER 14, 2014

A new study has found that rapid-charging a lithium-ion battery and using it to do high-power, rapidly draining work may not be as damaging as researchers had thought, and that the benefits of slow draining and charging may have been overestimated. For this study scientists looked at a lithium iron phosphate cathode material.

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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. Extended charge?discharge Credit: ACS, Nokami et al.

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JANUARY 11, 2022

All-solid-state lithium batteries could address a number of the shortcomings of conventional lithium-ion batteries in advanced applications such as in electric vehicles, which demand high energy densities, fast charging, and long cycle lives. —Kobayashi et al. Shigeru Kobayashi, Elvis F. 1c17945.

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