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. Solid-state lithium-metal batteries have many appealing properties, such as improved safety and capacity density.

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Li-ion Battery Batteries Universal 195

Green Car Congress

AUGUST 9, 2022

A team from Central South University in China has developed a new type of deep eutectic solvent (DES) that can efficiently leach metal elements from spent Ni-Co-Mn lithium-ion batteries (LNCM). The leaching rates of Ni, Co, Mn, and Li can all reach 99% under the conditions of T=140°C, t=10 min and no reductant.

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Ni-Li Li-ion Lithium Ion Battery 284

Green Car Congress

NOVEMBER 7, 2014

Wood for her outstanding research results in the area of lithium-ion batteries. Particle shape and fabrication-induced alignment can cause tortuosity anisotropy, which can impact battery performance. Among her other research areas, Dr. Wood has analyzed how the microstructure of electrodes influences the efficiency of batteries.

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Li-ion Lithium Ion Batteries Battery 244

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

DECEMBER 7, 2015

and Tohoku University’s Advanced Institute for Material Research (AIMR) have demonstrated technology reducing the internal resistance of all-solid-state lithium ion batteries (Li-ion battery) through the use of LiBH 4 -based complex hydrides as novel solid electrolytes. Hitachi, Ltd. Source: Hitachi.

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Li-ion Lithium Ion Universal Batteries 150

Green Car Congress

APRIL 18, 2019

Researchers at the University of California San Diego have improved their recycling process that regenerates degraded cathodes from spent lithium-ion batteries. Illustration of the process to restore lithium ions to degraded NMC cathodes using eutectic molten salts at ambient pressure. —Zheng Chen.

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Molten Salt Li-ion San Diego Lithium Ion 230

Green Car Congress

JUNE 20, 2022

Researchers at Beijing University of Technology have developed a thin free-standing composite solid electrolyte (CSE) film for solid-state lithium metal batteries. V vs. Li + /Li). Li+/Li), respectively. Furthermore, the favorable interface stability of CSE film with Li metal can be achieved.

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Li-ion Batteries Battery Universal 273

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 is the focus area lead for the Advanced Resource Recovery research thrust in DOE’s ReCell Center for Advanced Battery Recycling. Yadong Yin at the University of California, Riverside, in 2017.

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Toyota Li-ion Los Angeles San Francisco 270

Green Car Congress

JANUARY 31, 2020

Hydro-Québec and The University of Texas at Austin signed an agreement for the transfer to Hydro-Québec of patents co-invented by Dr. John B. Goodenough, a professor at The University of Texas at Austin and the 2019 Nobel Laureate in chemistry and Dr. Maria Helena Braga, an associate professor at the University of Porto, Portugal.

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Li-ion Commercial Austin Lithium Ion 277

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 Battery Batteries Lithium Ion 221

Green Car Congress

JUNE 12, 2017

A team from Nanjing University in China, using a titanium nitride (TiN) nanotube array as the substrate, has synthesized a high-performance composite tin anode (TiN@Sn) for Li-ion batteries. The structured electrode delivers a capacity of 795 mAh g Sn −1 (Sn basis) and 1812 mAh cm el -3 (electrode basis). —Pu et al.

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Li-ion Batteries Battery 2017 170

Green Car Congress

FEBRUARY 14, 2022

Researchers at Drexel University have stabilized a rare monoclinic ?-sulfur sulfur phase within carbon nanofibers that enables successful operation of Lithium-Sulfur (Li-S) batteries in carbonate electrolyte for 4000 cycles. sulfur and its application in Li-S batteries. —Pai et al. —Pai et al.

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Carbon Li-ion Batteries Battery 285

Green Car Congress

NOVEMBER 24, 2016

Toyota Motor’s Central R&D Labs, along with Nippon Soken and four universities (Hokkaido, Tohoku, Kyoto, and Ritsumeikan) has developed the first method for observing the real-time behavior of lithium ions (Li-ions) in an electrolyte as a Li-ion battery charges and discharges.

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Li-ion Toyota Lithium Ion Batteries 150

Green Car Congress

APRIL 2, 2012

A team from Chonnam National University (Korea) and Hyundai Motor have developed a new composite anode for Li-ion batteries that presents initial discharge and charge capacities of 652.57 The researchers developed the composite anode by blending TiP 2 O 7 and layered Li 2.6 mAh/g and 647.54 2012.02.036.

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Li-ion Lithium Ion Batteries Battery 225

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. EVTOL requirements on battery specific power and energy. Representative battery power profile during an eVTOL trip. From Yang et al.

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Batteries Battery Li-ion Downsizing 243

Green Car Congress

FEBRUARY 3, 2020

Researchers at MIT and their colleagues are proposing a new design for electrodes that, based on the long-sought goal of using pure lithium metal as the anode, could lead to longer-lived batteries with higher energy densities. The metal then shrinks again during discharge, as the battery is used. —Ju Li.

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Li-ion Design Molten Salt Battery 268

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 Battery Batteries 287

Green Car Congress

APRIL 28, 2015

At the Spring 2015 Materials Research Conference in San Francisco earlier this month, PATHION presented two new derivative superionic solid-state electrolytes built upon LiRAP (Lithium-Rich Anti-Perovskite). PATHION is working on a derivative for Li-sulfur batteries as well as a derivative that could be applied in a sodium-ion battery.

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Li-ion Sodium Lithium Sulfur Batteries 150

Green Car Congress

AUGUST 8, 2014

NASA has selected four proposals for advanced Li-ion and Li-sulfur energy storage technologies that may be used to power the agencys future space missions. High Energy Density and Long-Life Li-S Batteries for Aerospace Applications, submitted by the California Institute of Technology in Pasadena. Batteries'

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Li-ion Energy Storage Lithium Sulfur Future 261

Green Car Congress

MARCH 8, 2013

Schematic illustration of the aqueous rechargeable lithium battery (ARLB) using the coated lithium metal as anode, LiMn 2 O 4 as cathode and 0.5 mol l -1 Li 2 SO 4 aqueous solution as electrolyte. mol l -1 Li 2 SO 4 aqueous solution as electrolyte, an ARLB is built up. Wang et al. Click to enlarge. —Wang et al.

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Li-ion Low Cost Recharge Ni-Li 281

Green Car Congress

DECEMBER 18, 2017

A new technique—operando electron paramagnetic resonance (EPR) spectroscopy— developed by researchers at Technische Universität München (TUM), Forschungszentrum Jülich, and RWTH Aachen University provides a unique insight into how the charging rate of lithium-ion batteries can be a factor limiting their lifetime and safety.

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Li-ion Lithium Ion Charging Batteries 207

Green Car Congress

AUGUST 4, 2012

Researchers at Fuzhou University, China, have developed a LiZnVO 4 material for use as a high-capacity anode material for Li-ion batteries. However, low theoretical capacity and poor cycling behavior for graphite anode at a high current density limit its large scale application in high energy-density battery systems.

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Li-ion Lithium Ion Batteries Battery 231

Green Car Congress

MAY 27, 2013

Researchers at Nankai University in China have assembled spinel-type LiNi 0.5 O 4 (LNMO) porous nanorods with nanoparticles that function as high-rate and long-life cathode materials for rechargeable lithium-ion batteries. O 4 (LNMO), which possesses fast three-dimensional Li + diffusion channels and high operational voltage (?4.7

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Li-ion Lithium Ion Batteries Battery 186

Green Car Congress

MARCH 3, 2016

Researchers from George Washington University and Vanderbilt University have demonstrated the conversion of atmospheric CO 2 into carbon nanofibers (CNFs) and carbon nanotubes (CNTs) for use as high-performance anodes in both lithium-ion and sodium-ion batteries. —Stuart Licht. —Licht et al.

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Li-ion Carbon Convert Sodium 150

Green Car Congress

APRIL 21, 2019

Supported by a new five-year, $500,000- grant from the National Science Foundation, a researcher from the University of Kansas is developing machine learning technology to monitor and prevent overheating in lithium-ion batteries. Nowadays these lithium-ion batteries are everyplace in our society.

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Kansas Li-ion Lithium Ion Batteries 273

Green Car Congress

JANUARY 23, 2017

Researchers at Northwestern University, with a colleague from the University of Wisconsin, Madison, have developed a new computational design framework that can pinpoint optimal materials with which to coat the cathode in lithium-ion batteries.

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Li-ion Design Wisconsin Lithium Ion 150

Green Car Congress

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

Green Car Congress

OCTOBER 22, 2012

The first international “Science Award Electrochemistry” from BASF and Volkswagen ( earlier post ) goes to Dr. Naoaki Yabuuchi, Tokyo University of Science, Institute for Science and Technology, Tokyo, Japan. Yabuuchi has showed, among other things, how new battery materials can improve the efficiency of lithium-ion and sodium-ion batteries.

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Li-ion Universal Lithium Ion Sodium 231

Green Car Congress

MARCH 18, 2014

Due to the Li + -H + exchange during the charging process it degrades to ABBCCA (right). The researchers were interested in elucidating electrochemical processes in high-capacity Li-rich cathode materials: (x)Li 2 MnO 3 *(1-x)LiMO 2 (“M” is a transition metal such as manganese, chromium or iron). Source: HZB. Click to enlarge.

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Li-ion Re-Charge Batteries Battery 210

Green Car Congress

MARCH 20, 2019

24M CTO Naoki Ota will present the Dual Electrolyte System at the International Battery Seminar & Exhibit in Fort Lauderdale, Florida later this month. 24M CTO Naoki Ota will present the Dual Electrolyte System at the International Battery Seminar & Exhibit in Fort Lauderdale, Florida later this month. Earlier post.).

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Li-ion Lithium Ion Energy Battery 321

Green Car Congress

JUNE 19, 2014

The US Department of Energy (DOE) has six recently launched applied battery research (ABR) projects as part of its Vehicle Technologies portfolio. TIAX proposes that using a blended Si/hard carbon anode will allow the design of cells capable of delivering high energy during EV operation and high power during HEV mode of the battery.

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Li-ion PHEV Ni-Li Batteries 316

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 +. Cyclic voltammograms (CV) of the Li-RGO electrode demonstrated that lithium could reversibly intercalate and deintercalate into graphene sheets. Credit: ACS, Kumar et al.

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Li-ion Lithium Ion Batteries Battery 259

Green Car Congress

MARCH 26, 2019

Researchers at MIT and in China are proposing a new class of dense intercalation-conversion hybrid cathodes by combining intercalation-type Mo 6 S 8 with conversion-type sulfur (HMSC) to realize a Li–S full cell. The electronic insulating nature of the S 8 and Li 2 S phases (as compared to, say, Li x CoO 2 , with its high Co 3+ ?

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Lithium Sulfur MIT Li-ion Energy 278

Green Car Congress

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.

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Universal Li-ion Lithium Air Batteries 236

Green Car Congress

DECEMBER 11, 2016

Historical prices and future cost predictions for lithium-ion batteries. They noted that due to current sales trends, three lithium-ion chemistries account for nearly all of the storage capacity, and half of the cells are cylindrical. NCA cells are $206 kWh -1 and NMC cells are $180 kWh -1.

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Li-ion Lithium Ion Price Batteries 150

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

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. Batteries'

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Li-ion Convert Battery Batteries 150