Green Car Congress

JULY 14, 2014

Lithium-ion batteries could benefit from a theoretical model created at Rice University and Lawrence Livermore National Laboratory that predicts how carbon-based anodes will perform. Lawrence Livermore scientist Brandon Wood and Rice theoretical physicist Boris Yakobson led the study.

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Li-ion Carbon Lithium Ion Batteries 231

Green Car Congress

FEBRUARY 8, 2016

A team at Purdue University has used pollens as the basis for carbon architectures for anodes in energy storage devices. Currently, Li-ion batteries generally use graphite as the anode material, with a theoretical capacity of 372 mAh/g and excellent capacity retention over extended cycling. —Vilas Pol.

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Li-ion Carbon Energy Storage Lithium Ion 150

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. This film electrode does not need carbon additives and binders to connect particles as do typical slurry-based electrodes, but it still exhibits excellent battery performance.

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Finland Li-ion Lithium Ion Batteries 195

Green Car Congress

DECEMBER 18, 2014

A team led by researchers at Chungnam National University (S. Korea) has developed a novel high-voltage electrolyte additive, di-(2,2,2 trifluoroethyl)carbonate (DFDEC), for use with the promising lithium-rich layered composite oxide high-energy cathode material xLi 2 MnO 3 ·(1-x)LiMO 2 (M = Mn, Ni, Co). O 2 (Li 1.2 O 2 (Li 1.2

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Li-ion Ni-Li Energy Lithium Ion 329

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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Li-ion Price Lithium Ion Market 150

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

JANUARY 3, 2013

Researchers at North Carolina State University (NCSU) have combined carbon coating and a carbon nanotube (CNT) framework to improve the cycling stability of Si (silicon) anodes for Li-ion batteries. Studies have shown that each silicon atom can theoretically accommodate up to 4.4 Click to enlarge.

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Li-ion Carbon Lithium Ion Polymer 240

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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Li-ion Concept Energy Batteries 331

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

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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Li-ion Conversion Carbon Lithium Ion 316

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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Li-ion CO2 Batteries Battery 333

Green Car Congress

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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Batteries Battery Li-ion F-150 497

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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Sodium Li-ion Lithium Ion Batteries 493

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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Li-ion Lithium Ion 2014 Energy Storage 218

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

JULY 28, 2016

A team from Samsung R&D and Shinshu University has developed a silicon/soft-carbon nanohybrid anode material for high performance lithium-ion batteries (LIBs). Addition of 5 wt % fluoroethylene carbonate (FEC) to the electrolyte improved the retention up to 81.3% Furthermore, the electrode retained 80.9% Kobayashi et al.

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Li-ion Carbon Lithium Ion Batteries 150

Green Car Congress

JUNE 2, 2011

Variation in discharge capacity vs. cycle number for graphite, RGO, and Li-RGO cycled at a current rate of 25 mA/g between 3.0 V vs Li/Li +. in a 1 M solution of LiPF 6 in a 1:1 (v/v) mixture of ethylene carbonate (EC) and dimethyl carbonate (DMC) as the electrolyte. Credit: ACS, Kumar et al. Click to enlarge.

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Li-ion Lithium Ion Batteries Battery 259

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

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Li-ion Charging Batteries Battery 287

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

JUNE 24, 2020

COBRA incorporates environmental impact studies to help ensure that the carbon footprint of the end product is reduced, by eliminating cobalt and other toxic or scarce elements, while using metal components with recyclability of more than 95%. The project launched earlier this year and will run until January 2024.

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Batteries Battery Li-ion 2000 360

Green Car Congress

AUGUST 15, 2016

In a 2014 paper exploring prospects for reducing the processing cost of Li-ion batteries, a team from Oak Ridge National Laboratory (ORNL) explained that formation cycling refers to the electrochemical side reactions involved with creating the solid electrolyte interface (SEI) layer. —Wood et al.

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Li-ion Lithium Ion Batteries Battery 150

Green Car Congress

OCTOBER 28, 2022

The selected projects, led by universities, national laboratories, and the private sector aim to develop commercially scalable technologies that will enable greater domestic supplies of copper, nickel, lithium, cobalt, rare earth elements, and other critical elements. Feedstocks will include Li/Ni/Ca/Mg-rich igneous and sedimentary minerals.

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Supplies Ni-Li Carbon Universal 345

Green Car Congress

MARCH 28, 2022

Lithium-sulfur batteries are prospects for future batteries as they are made from cheaper and more environmentally friendly materials than lithium-ion batteries. However, the discharge mechanisms are complicated due to various reactions in multiple phases and the tortuosity of the highly porous carbon matrix. —Chien et al.

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Lithium Sulfur Batteries Battery Li-ion 195

Green Car Congress

JUNE 4, 2014

For the near term, they have been working on a dual-battery combining a lithium-ion battery with a 12-volt lead-acid battery that could enable regenerative braking technology in non-hybrid vehicles for greater fuel savings. The research advances lithium-ion battery technology currently available on Ford’s electrified vehicles.

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Li-ion Lead Acid Ford Batteries 231

Green Car Congress

JUNE 6, 2010

Charge and discharge curves of seven different materials studied. 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. Credit: ACS, Lin et al. Click to enlarge. SEM images of GMP40.

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Li-ion Carbon Lithium Ion Charging 186

Green Car Congress

MARCH 19, 2012

Researchers at the University of Texas at Austin have developed a scalable, chemical approach for synthesizing copper-coated hydrogenated amorphous silicon particles (Cu-coated a-Si:H) through a polyol reduction method for use as anode material in Li-ion batteries. Credit: ACS, Murugesan et al. Click to enlarge. Harris, Brian A.

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Li-ion Lithium Ion Batteries Battery 353

Green Car Congress

DECEMBER 19, 2011

A team from Hanyang University (S. Korea), Northwestern University, Samsung Electronics Co. and the University of Illinois at Urbana – Champaign has developed a double-layered silicon-germanium nanotube array as an anode material for high-capacity lithium-ion batteries. conductivity and high Li-ion diffusivity of Ge.

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Li-ion Lithium Ion Universal Illinois 225

Green Car Congress

MAY 14, 2014

Start-up Power Japan Plus announced plans to commercialize a dual-carbon battery technology, which it calls the Ryden dual carbon battery. Dual-carbon (also called dual-graphite) batteries were first introduced by McCullough and his colleagues at Dow Chemical in a 1989 patent, and were subsequently studied by Carlin et al.

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Carbon Commercial Batteries Battery 373

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 We encourage Li-ion battery manufacturers and researchers studying NMC-based Li-ion cells to try “PES211” in their experiments. C and at 100 mA.

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Li-ion Ni-Li Charging Canada 150

Green Car Congress

AUGUST 21, 2017

Using a novel, reusable carbon material derived from old rubber tires, an Oak Ridge National Laboratory (ORNL)-led research team has developed a simple method to convert used cooking oil into biofuel. —Hood et al. The patent-pending, waste oil-to-biofuel conversion adds a new approach to waste tire recycling initiatives. Resources.

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Waste Convert Oil Carbon 150

Green Car Congress

AUGUST 22, 2019

The researchers made their discovery by developing a technique to measure the amounts of inactive lithium species on the anode—a first in the field of battery research—and studying their micro- and nanostructures. Inactive lithium is also made up of another component: lithium ions, which are the building blocks of the SEI layer.

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San Diego Batteries Battery Lithium Ion 320

Green Car Congress

MARCH 26, 2012

A team led by researchers from the National Taiwan University of Science and Technology has shown that a thin Al 2 O 3 coating layered on a LiCoO 2 by atomic layer deposition (ALD) can effectively eliminate capacity fading during repeated charging and discharging. lithium-ions are extracted, Co 4+ will dissolve into the. V vs. Li/Li +.

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Li-ion Lithium Ion Taiwan Charging 225

Green Car Congress

JUNE 5, 2014

Woven carbon fiber can act as an electrode for lithium ion batteries. Researchers in Sweden are exploring the use of carbon fiber as an active electrode in a multifunctional structural Li-ion battery in an electric car; i.e., electrical storage is incorporated into the body of the car. In this €3.4-million

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Carbon Fiber Carbon Li-ion Electric Vehicles 317

Green Car Congress

AUGUST 5, 2022

Researchers at Monash University in Australia have developed an electrochemical process for the conversion of nitrogen to ammonia with nearly 100% current-to-ammonia efficiency. In lithium-mediated nitrogen reduction, lithium ions are reduced to lithium metal, which spontaneously reacts with nitrogen to form lithium nitride (Li 3 N).

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Li-ion Lithium Ion Australia Global 199

Green Car Congress

NOVEMBER 17, 2013

Two Stanford/SLAC labs—one studying next-generation lithium-ion batteries and the other working on synthetic human skin—have combined their expertise and created an advanced silicon anode that can heal its own cracks after extended cycles of charging and discharging. Wang et al., Nature Chemistry) Click to enlarge.

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Li-ion Polymer Batteries Battery 230

Green Car Congress

MARCH 23, 2014

A team from Brown University and General Motors Global Research and Development has calculated optimum design geometries that will avert fracture and debonding in silicon/carbon heterostructures—such as the hollow core-shell nanostructure proposed by Prof. For the study, they constructed three different interface models.

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Li-ion Design GM Lithium Ion 210

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.

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Li-ion Batteries Battery Lithium Ion 220