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. The study is published in Nature Materials. —Wang et al.

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Li-ion Batteries Battery San Diego 327

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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. A study on the work is published in Nature.

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Lithium Ion Batteries Battery Li-ion 385

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JANUARY 16, 2011

Researchers in South Korea report the synthesis of high capacity Mn-rich mixed oxide cathode materials for Li-ion batteries. Novel cathode active materials, Li[Li x (Ni 0.3 The newly Mn-rich cathode active materials were then adopted as cathodes to show the benefits for Li-ion rechargeable batteries.

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Li-ion Ni-Li South Korea Batteries 236

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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. Credit: ACS, Nokami et al. Click to enlarge. —Nokami et al.

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Li-ion Charging Batteries Battery 287

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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

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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

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MARCH 16, 2014

Researchers at Mie University in Japan have developed a new protected lithium electrode for aqueous lithium/air rechargeable batteries. Lead researcher Nobuyuki Imanishi said that the system has a practical energy density of more than 300 Wh/kg, about twice that of many commercial lithium-ion batteries. mAh cm -2 of capacity.

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Universal Li-ion Lithium Air Batteries 236

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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.

Missouri 330

Missouri Recharge Batteries Battery 330

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OCTOBER 24, 2016

A team at Columbia University, with colleagues from Institute Recherche d’Hydro-Québec (IREQ), has developed a new pre-lithiation method to increase the energy density of lithium (Li-ion) batteries by utilizing a trilayer structure that is stable even in ambient air. Credit: ACS, Cao et al. Click to enlarge. —Yuan Yang.

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Li-ion Energy Polymer Batteries 150

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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. The findings could pave the way for bringing rechargeable lithium metal batteries from the lab to the market.

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San Diego Batteries Battery Lithium Ion 320

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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

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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. The work is ongoing.

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Li-ion Carbon Energy Storage Lithium Ion 150

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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

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APRIL 15, 2012

graphene nanocomposites as high-rate cathode materials for rechargeable lithium batteries. In this new study, Song et al. ion conduction due to increased surface area in the polymer? Credit: ACS, Song et al. Click to enlarge. A team of researchers from the US and China have developed novel polymer?graphene

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Li-ion Polymer Green Batteries 239

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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. senior author William Chueh The problem of failing solid electrolytes is not new and many have studied the phenomenon.

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Li-ion Water Battery Batteries 457

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JANUARY 14, 2019

Researchers from Tsinghua University and China University of Geosciences have used an ultrathin indium sheet to construct a stabilized lithium-rich hybrid anode with fast interfacial ion transport. In the study, the team used 1M LiPF 6 in ethylene carbonate-dimethyl carbonate (EC/DMC) solvent for the liquid electrolyte.

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Li-ion China Recharge Hybrid 268

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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

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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 The electrolyte membrane was 0.06 Click to enlarge.

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Low Cost Recharge Austin Li-ion 150

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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 Battery Batteries Standards 252

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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

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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

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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

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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

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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. The researchers focused mainly on the favorable cost-performance comparisons between their sodium-ion battery and lithium. —Lee et al.

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Sodium Li-ion Batteries Battery 186

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JUNE 6, 2010

Charge and discharge curves of seven different materials studied. 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).

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Li-ion Carbon Lithium Ion Charging 186

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. This approach allows independent.

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Li-ion Grid Energy California 186

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AUGUST 19, 2014

Results of a lifecycle analysis by a team at the University of Michigan suggest that multiple types of natural gas-powered vehicles—i.e., Their study appears in the ACS journal Energy & Fuels. … The BEV Li-ion battery pack uses a LiNi ⅓ Co ⅓ Mn ⅓ O 2 (NCM) chemistry for its cathode active material.

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Gas Li-ion Gas-Electric Conversion 218

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JANUARY 9, 2014

Conventional layered lithium and transition metal cathode material (top) and the new disordered material studied by researchers at MIT (bottom) as seen through a scanning tunneling electron microscope. In the disordered material, the blue lines show the pathways that allow lithium ions to traverse the material.) —Lee et al.

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MIT Li-ion Lithium Ion Batteries 236

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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

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APRIL 6, 2015

A team at Stanford University, led by professor Hongjie Dai, has developed a high-performance, safe, fast-charging aluminum-ion battery that can last for thousands of cycles. The Al-ion battery—comprising an aluminum anode, graphite cathode and ionic liquid electrolyte—produces about half the voltage of a Li-ion battery.

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Li-ion Taiwan Lithium Ion Batteries 150

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MARCH 1, 2017

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 Traditional rechargeable batteries use a liquid electrolyte and an oxide as a cathode host into which the working cation of the electrolyte is inserted reversibly over a finite solid-solution range.

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Li-ion Sodium Austin Batteries 150

Green Car Congress

SEPTEMBER 9, 2014

Using a neutron beam, chemists and engineers at The Ohio State University have been able to track the flow of lithium atoms into and out of an anode in real time as a Li-ion battery charged and discharged. They may also be less prone to overheating. By using in?situ —Liu et al.

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Ohio Li-ion Lithium Ion Battery 218

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SEPTEMBER 23, 2009

The cell charger array constructed at the Dahn laboratory, Department of Physics and Atmospheric Science, Dalhousie University. CE is typically measured by the device that discharges and recharges the cell or half-cell under test in the lab. and 99.65% at cycle 25, respectively; The CE of Li/Sn 30 Co 30 C 40 cells improved from 99.65

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Li-ion Lithium Ion Charging Batteries 186

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NOVEMBER 1, 2017

Researchers in the Cockrell School of Engineering at The University of Texas at Austin have developed a new family of anode materials that can double the charge capacity of lithium-ion battery anodes. It is a simple, low-cost approach that can be applied to a broad range of alloy systems with various working ions such as Li, Na, or Mg.

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Austin Lithium Ion Li-ion IDEA 150

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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. Orange, blue, green and grey represent Cu, Li, SEI and PDMS, respectively.

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Li-ion Arizona Lithium Ion Sodium 150

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DECEMBER 2, 2013

Schematic showing the chemical reduction reaction of one Li 2 S 6 molecule by lithium to form six Li 2 S molecules, involving the diffusion/driving of lithium out of the graphene layers in the graphite. The approach offers a new way to introduce lithium into the cathode in Li?S air, or Li?organic Lithium-sulfur (Li?S)

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Austin Li-ion Lithium Sulfur Batteries 247

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JANUARY 4, 2016

Researchers from the Korea Advanced Institute of Science and Technology (KAIST), with colleagues from the Korea Institute of Energy Research (KIER), Qatar University and major battery manufacturer LG Chem have developed a technique for the delicately controlled prelithiation of SiO x anodes for high-performance Li-ion batteries.

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Ni-Li Li-ion Manufacturer Batteries 150