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 paper on their work is published in the journal Advanced Materials.

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Li-ion Singapore Lithium Ion Batteries 290

Green Car Congress

NOVEMBER 1, 2018

Their very low glass transition temperatures, high cathodic and anodic stabilities and compatibility with Li and Mg metals make them excellent candidates as electrolytes for rechargeable batteries and hybrid devices. Their paper is published in the RSC journal Energy & Environmental Science. Photo Credit: Dr. Mega Kar.

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Universal Li-ion Toyota North America 283

Green Car Congress

JUNE 12, 2013

Schematics of Li + /Na + mixed-ion battery. During charging (or discharging), the storage (or release) of Li + takes place at anode, and the release (or storage) of Na + occurs at cathode. However, a number of issues remain before SIBs could become commercially competitive with Li-ion batteries (LIBs).

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Li-ion Batteries Battery Sodium 170

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

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. Click to enlarge. —Nokami et al. Even after 500 charge?discharge

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Li-ion Charging Batteries Battery 287

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. —Wang et al.

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Recharge Li-ion Batteries Battery 240

Green Car Congress

OCTOBER 8, 2012

During discharge and charge in UHV, Li ions reversibly intercalate/de-intercalate into/from the Li x V 2 O 5 electrode. During discharge, Li ions meet with reduced oxygen on the surface of the Li x V 2 O 5 electrode forming Li 2 O 2 , which is decomposed upon recharge. The rechargeable Li?air

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Lithium Air Li-ion Recharge Insight 253

Green Car Congress

DECEMBER 18, 2012

Global automotive Li-Ion battery production capacity is outstripping demand five-to-one as automakers refocus on hybrids and away from full electric vehicles, according to Dr. Menahem Anderman’s recently released xEV Industry Insider Report. The associated Li-Ion automotive battery business will expand from $1.4

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Li-ion Hybrid 2012 PHEV 273

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., Earlier post.). Earlier post.).

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Li-ion Recharge Design Batteries 210

Green Car Congress

OCTOBER 13, 2015

Researchers in South Korea have demonstrated new type of room-temperature and high-energy density sodium rechargeable battery using a sulfur dioxide (SO 2 )-based inorganic molten complex catholyte that serves as both a Na + -conducting medium and cathode material (i.e. catholyte). mA cm −2 ). The cutoff voltage for charge is 4.05 V.

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Li-ion Batteries Battery Recharge 150

Green Car Congress

MAY 15, 2017

Results of a study by a team at the Hawaii Natural Energy Institute, SOEST, University of Hawaii at Manoa, suggest that the additional cycling to discharge vehicle batteries to the power grid in a vehicle-to-grid (V2G) scenario, even at constant power, is detrimental to EV battery cell performance. —Dubarry et al.

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Hawaii Grid Batteries Battery 210

Green Car Congress

APRIL 23, 2019

Their findings are outlined in a new study published in Joule. 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.

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Li-ion Batteries Battery Lithium Ion 207

Green Car Congress

OCTOBER 15, 2012

Federal Agency Battery and Energy Storage Initiatives and Funding Obligations, Fiscal Years 2009. GAO was asked to: identify the scope and key characteristics of federal battery and energy storage initiatives; determine the extent to which there is potential fragmentation, overlap, or duplication, if any, among these initiatives; and.

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Energy Storage 2009 2012 Energy 231

Green Car Congress

NOVEMBER 24, 2014

The circulating seawater in the open-cathode system results in a continuous supply of sodium ions, endowing the system with superior cycling stability that allows the application of various alternative anodes to sodium metal by compensating for irreversible charge losses. an alloying material), in full sodium-ion configuration.

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Recharge Sodium Hybrid Fuel 285

Green Car Congress

JULY 30, 2014

Schematic illustration of the the hybrid Mg-Li battery designed in this work. This battery has a piece of Mg foil as the anode, Mo 6 S 8 as the cathode, and the electrolyte contains both Mg 2+ and Li +. Interest in rechargeable magnesium batteries has increased due to a number of factors. Cheng et al. Click to enlarge.

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Li-ion Hybrid Batteries Battery 295

Green Car Congress

OCTOBER 10, 2017

Stanford researchers have developed a sodium-ion battery (SIB) that can store the same amount of energy as a state-of-the-art lithium ion, at substantially lower cost. Here, we reveal the origin of the limited electrochemical performance of Na 2 C 6 O 6 and provide an effective path to achieve reversible four-sodium storage.

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Sodium Li-ion Batteries Battery 186

Green Car Congress

SEPTEMBER 16, 2013

Researchers in South Korea have developed a novel high-energy cathode material, Na 1.5 F 0.7 , for sodium-ion (Na-ion) batteries (NIBs). This new material provides an energy density of 600 Wh kg –1 , the highest value among Na-ion cathodes. The less negative redox potential of Na + /Na as compared to Li + /Li (?2.71

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Sodium Li-ion Energy Batteries 292

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. Click to enlarge. Commissioners approved $600,000 to Seeo Inc.

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Li-ion Grid Energy California 186

Green Car Congress

MARCH 1, 2012

Cycling performance of Li/SeS 2 ?C, Unlike the widely studied Li/S system, both Se and Se x S y can be cycled to high voltages (up to 4.6 The discovery of new electrode materials is key to realizing safe and efficient electrochemical energy storage systems essential to enabling future green energy technologies.

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Recharge Ni-Li Li-ion Batteries 220

Green Car Congress

JUNE 18, 2015

Tesla Motor’s Co-founder and Chief Technology Officer JB Straubel signed a 5-year research agreement with Dalhousie University’s Jeff Dahn, Li-ion battery researcher with the Faculty of Science, and his group of students, postdoctoral researchers and technical staff. New Li-ion electrode materials.

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Li-ion 2016 Ni-Li Tesla 150

Green Car Congress

MAY 2, 2017

Li-sulfur batteries are looked to as a likely next-generation higher energy density energy storage system due to the high theoretical capacity, low cost and high earth abundance of sulfur. In addition, when a Li-S cell operates under a lean electrolyte condition, its charge/discharge behavior, cell failure model, etc.

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Li-ion Lithium Sulfur Polymer Energy Storage 150

Green Car Congress

APRIL 15, 2013

Up until now, Li-ion batteries have been considered to exhibit no “memory effect”—a deviation in the voltage of the battery resulting from repeated charging after being only partially discharged that can limit the usability of the stored energy as well as the ability to determine the state of charge of the battery reliably.

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Li-ion Lithium Ion Batteries Battery 244

Spark Powered

JANUARY 9, 2023

Most of these devices use well-known batteries”>lithium-ion battery technology. And while lithium-ion batteries have come a long way since they were first introduced, they have some familiar drawbacks as well, such as short lifetimes, overheating and supply chain challenges for certain raw materials.

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Lithium Sulfur Li-ion Future Power 52

Green Car Congress

JANUARY 10, 2014

Schematic of hybrid anode placed in a Li–S battery. The graphite/Li connected in parallel forms a shorted cell where the graphite is always lithiated at equilibrium and maintains a pseudo-equal potential with the Li metal. Alternative energy-storage systems with much higher theoretical specific energy are needed.

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Lithium Sulfur Li-ion Hybrid Batteries 225

Green Car Congress

MARCH 1, 2017

Researchers at Pacific Northwest National Laboratory (PNNL) have found that adding a small, optimal amount (0.05M) of LiPF 6 (lithium hexafluorophosphate) as an additive in LiTFSI–LiBOB dual-salt/carbonate-solvent-based electrolytes significantly enhances the charging capability and cycling stability of Li metal batteries. Zheng et al.

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Li-ion Charging Batteries Battery 150

Green Car Congress

APRIL 1, 2011

Example of a lithium-water rechargeable battery. Researchers at the University of Texas, including Dr. John Goodenough, are proposing a strategy for high-capacity next-generation alkali (lithium or sodium)-ion batteries using water-soluble redox couples as the cathode. A typical Li-air battery discharges at 2.5-2.7

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Sodium Water Li-ion Texas 218

Green Car Congress

NOVEMBER 3, 2011

A team of researchers at the US Department of Energy’s Argonne National Laboratory has synthesized amorphous titanium dioxide nanotube (TiO 2 NT) electrodes directly grown on current collectors without binders and additives to use as an anode for sodium-ion batteries. Earlier post.).

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Sodium Li-ion Ni-Li Batteries 210

Green Car Congress

MARCH 1, 2017

An open-access paper on the work is published in the RSC journal Energy & Environmental Science. The cells use a solid glass electrolyte having a Li + or Na + conductivity >10 -2 S cm -1 at 25 ˚C with a motional enthalpy ≈ 0.06 The energy-gap “window” E g = 1.23 The energy-gap “window” E g = 1.23

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Li-ion Sodium Austin Batteries 150

Green Car Congress

SEPTEMBER 23, 2009

Researchers at Dalhousie University in Halifax, Nova Scotia have called for new tools that can more accurately measure an electrochemical cell’s Coulombic efficiency (CE) when evaluating cycle life of lithium-ion cells as well as other battery chemistries.

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Li-ion Lithium Ion Charging Batteries 186

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

MARCH 7, 2018

Lithium-metal batteries are among the most promising candidates for high-density energy storage technology, but uncontrolled lithium dendrite growth, which results in poor recharging capability and safety hazards, currently is hindering their commercial potential. Source: Wang et al. Click to enlarge. —Hanqing Jiang.

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Li-ion Arizona Lithium Ion Sodium 150

Green Car Congress

JUNE 5, 2009

The US Department of Energy’s (DOE) Argonne National Laboratory and BASF have signed a world-wide licensing agreement to mass produce and market Argonne’s patented composite cathode materials to manufacturers of advanced lithium-ion batteries. and a rechargeable capacity of up to 250 mAh g -1 over the same window.

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Li-ion Ohio Lithium Ion Commercial 150

Green Car Congress

DECEMBER 29, 2013

Zinc-air technology, although offering high energy density—about twice the gravimetric density (Wh/kg) and three times the volumetric density (Wh/L) of Li-ion technology—has been generally limited to low-power, non-rechargeable applications. —Pei et al. Basic principle of ZAFC. Click to enlarge.

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Zinc Air Fuel Power Powered 231

Green Car Congress

DECEMBER 28, 2012

Peter Bruce has further investigated the behavior of carbon as a possible porous cathode for aprotic Li-air cells; a paper on their work is published in the Journal of the American Chemical Society. Given the role of carbon as a possible porous positive electrode for nonaqueous Li?O For their study, they cycled carbon cathodes in Li?O

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Carbon Li-ion Batteries Battery 240

Green Car Congress

OCTOBER 26, 2015

They begin by observing that the EU’s goal of 95 gCO 2 /km fleet average emissions by 2020 can only be met by means of extended range electric vehicles or all-electric vehicles in combination with the integration of renewable energy (e.g., For a 100 mile-range BEV requiring ≈21 kWh net , complete recharge could be accomplished within ≈60 min.

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Lithium Sulfur Electric Vehicles Li-ion Batteries 150

Green Car Congress

JANUARY 1, 2015

When paired with lithium metal anode to form rechargeable lithium?sulfur sulfur (Li?S) S) batteries, the theoretical specific energy density can be as high as 2600 Wh kg ?1. A major bottleneck is the slow charge transfer kinetics resulting from poor electronic conductivity of sulfur and the final discharge product, Li 2 S.

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Lithium Sulfur Li-ion F-150 Battery 150

Green Car Congress

APRIL 30, 2010

The US Department of Energy is awarding $106 million in funding for 37 research projects selected in the second round by the DOE’s Advanced Research Projects Agency-Energy (ARPA-E). This process is less than 1% efficient at converting sunlight to stored chemical energy. Batteries for Electrical Energy Storage in Transportation.

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Carbon Battery Batteries Li-ion 249