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

JANUARY 1, 2014

Researchers from Shanghai University have synthesized Fe 2 O 3 -graphene sheet-on-sheet sandwich-like nanocomposites that, when used as an anode for Li-ion battery, shows a high reversible capacity of 662.4 These metal oxides electrodes have shown much higher Li-ion storage capacities than that of commercial graphite anodes.

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Li-ion Batteries Battery Carbon 240

Green Car Congress

MARCH 8, 2013

mol l -1 Li 2 SO 4 aqueous solution as electrolyte. Researchers from Fudan University in China and Technische Universität Chemnitz in Germany have developed an aqueous rechargeable lithium battery (ARLB) using coated Li metal as the anode. mol l -1 Li 2 SO 4 aqueous solution as electrolyte, an ARLB is built up.

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Li-ion Low Cost Recharge Ni-Li 281

Green Car Congress

JUNE 4, 2013

A team at Stanford University has developed stable silicon Li-ion battery anodes by incorporating a conducting polymer hydrogel into the Si-based material. V versus Li/Li + ), (3) the natural abundance of elemental Si, and (4) its safety and environmental benignity. Click to enlarge. —Yi Cui.

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Li-ion Manufacturer Polymer Deep Cycle 236

Green Car Congress

JANUARY 7, 2015

A team from the University of Rome Sapienza has developed a rechargeable lithium-ion polymer battery based on the combination of a high capacity sulfur-carbon cathode, nanostructured Li x Sn-C anode and polysulfide-added PEO-based gel membrane. Moreover, the addition of a dissolved polysulfide (i.e.

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Li-ion Polymer Lithium Sulfur Energy 150

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. Jialiang Tang & Vilas G.

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Li-ion Carbon Energy Storage Lithium Ion 150

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 Their work is published in a paper in an open access article in the Journal of the Electrochemical Society. V and lower thermal reactivity for the charged graphite electrode.

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Li-ion Ni-Li Charging Canada 150

Green Car Congress

FEBRUARY 4, 2014

A major barrier to the use of high energy capacity silicon in a lithium-ion battery is the volumetric expansion of silicon under lithiation and delithiation, which results in electrode degradation and capacity fade. Silicon (shown in grey) is capable of holding 10 times as many lithium ions (shown in pink) as currently-used anodes.

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Li-ion Insight Lithium Ion Batteries 199

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. Yu, Harry E. Hoster & Sudip K. Batteries'

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Li-ion Batteries Battery Lithium Ion 220

Green Car Congress

MARCH 28, 2011

Researchers from the University of California, Riverside and the University of Science and Technology of China synthesized monodisperse V 2 O 5 microspheres with a porous structure. Used as a cathode material for lithium-ion batteries (LIBs), the material shows a stable and highly reversible capacity. Wang et al. Wang et al.

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Li-ion Lithium Ion Batteries Battery 199

Green Car Congress

MAY 13, 2016

The heterostructure model well explains the distinctive structure and properties of the material, which could play an important role in boosting the capacity of Li-ion batteries. The new findings show that its structure allows the storage of a larger number of Li ions, in turn leading to higher capacity.

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Li-ion Nissan Insight Batteries 150

Green Car Congress

SEPTEMBER 12, 2010

A team from the University of Tokyo and the Tokyo Institute of Technology has synthesized a new pyrophosphate compound (Li 2 FeP 2 O 7 ) by a conventional solid-state reaction for use as a cathode material in Li-ion batteries. V Class Cathode Material for Lithium Ion Battery. Article ASAP doi: 10.1021/ja106297a.

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Li-ion Lithium Ion 2010 Plug-in 220

Green Car Congress

JANUARY 27, 2015

In a paper published in Nature Communications , they report that the porosity of the ion-conducting membrane (ICM) is smaller than the growth area of the dendrites; the aramid nanofibers thus eliminate “weak links” where dendrites can pierce a membrane. Mass production is expected to begin in the fourth quarter 2016. Batteries'

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Li-ion Batteries Battery Lithium Ion 150

Green Car Congress

JANUARY 28, 2016

A team from Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory has developed a new practical, high-energy-capacity lithium-ion battery anode out of silicon by encapsulating Si microparticles (∼1–3 µm) using conformally synthesized cages of multilayered graphene. —Li et al.

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Li-ion Lithium Ion Energy Batteries 150

Green Car Congress

JULY 2, 2011

Researchers at Stanford University led by Drs. In a paper published in the ACS journal Nano Letters , they suggest that this material represents a promising cathode material for rechargeable Li-ion batteries with high energy density. Nano Letters Article ASAP doi: /10.1021/nl200658. Credit: ACS, Wang et al. Earlier post.)

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Li-ion Energy Batteries Battery 239

Green Car Congress

AUGUST 5, 2015

A team of researchers at MIT and Tsinghua University has developed a high-rate, high-capacity and long-lived anode for Li-ion batteries comprising a yolk-shell nanocomposite of aluminum core (30 nm in diameter) and TiO 2 shell (~3 nm in thickness), with a tunable interspace (Al@TiO 2 , or ATO). —Li et al.

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Li-ion MIT Batteries Battery 150

Green Car Congress

SEPTEMBER 19, 2016

Researchers affiliated with Ulsan National Institute of Science and Technology (UNIST), South Korea, and Stanford University have demonstrated the feasibility of a next-generation hybrid anode for high-capacity Li-on batteries using silicon-nanolayer-embedded graphite/carbon. Nature Energy 1 Article number: 16113 doi: 10.1038/nenergy.2016.113.

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Li-ion Carbon South Korea Lithium Ion 150

Green Car Congress

JUNE 6, 2016

The ability to mitigate degradation mechanisms for Ni-rich NMC and NCA provides insight into a method to enable the performance of high-voltage Li-ion batteries, they concluded. In order to achieve reasonable cycle life utilizing the high capacities gained via high voltage, phase instability is a key problem that must be addressed.

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Li-ion Ni-Li Batteries Battery 150

Green Car Congress

OCTOBER 27, 2015

Researchers from the University of Waterloo and General Motors Global Research and Development Center have developed a new electrode material for Li-ion batteries that leverages the strong covalent interactions that occur between silicon, sulfur, defects and nitrogen. —Hassan et al. DE-AC02-05CH11231, subcontract no.

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Li-ion Batteries Battery GM 150

Green Car Congress

SEPTEMBER 11, 2010

A team at Tsinghua University in China has developed a film of porous carbon nanofibers containing Sn/SnO x nanoparticles in the pores for use as an anode material in Li-ion batteries. Carbon Article in Press doi: 10.1016/j.carbon.2010.08.046. The team prepared the material via an electrospinning process. 2010.08.046.

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Li-ion Carbon Lithium Ion 2010 186

Green Car Congress

MAY 2, 2011

A team from Nanyang Technological University (China) has developed a scalable self-assembly strategy to create bio-inspired honeycomb-like hierarchical structures composed of functionalized graphene sheets to work as anodes in lithium-ion batteries. ACS Nano Article ASAP doi: 10.1021/nn2001728. Credit: ACS, Yin et al.

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Li-ion Lithium Ion Batteries Battery 210

Green Car Congress

DECEMBER 14, 2019

A team at the University of Manchester (UK) has developed a doped graphene cathode for highly stable lithium-sulfur batteries. In an open access paper in the Nature journal Communications Chemistry , they report 100% charge capacity of Li-S batteries using the cathode material with 500 charge/discharge cycles at 0.5

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Lithium Sulfur Li-ion Batteries Battery 218

Green Car Congress

JULY 9, 2014

Researchers at the University of California, Riverside’s Bourns College of Engineering have synthesized a porous nano-silicon material from beach sand (SiO 2 ) via a highly scalable heat scavenger-assisted magnesiothermic—i.e., using a combination of heat and magnesium—reduction. Favors et al. Click to enlarge. …we Batteries'

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Li-ion Low Cost Cheap All-Electric 231

Green Car Congress

AUGUST 14, 2011

Silicon is widely acknowledged as a promising anode material for high-energy Li-ion batteries, but practical application of the material has been held back by its volume expansion and fracture during charging and discharge. Nano Letters Article ASAP doi: 10.1021/nl202630. McDowell, Seok Woo Lee, Ill Ryu, Hui Wu, William D.

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Li-ion 2011 Universal Batteries 218

Green Car Congress

JUNE 10, 2019

Because of their high energy-storage density, materials such as metal oxides, sulfides, and fluorides are promising electrode materials for lithium-ion batteries in electric vehicles and other technologies. —co-corresponding author Zhongwei Chen, a professor at the University of Waterloo, Canada.

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Lithium Ion Li-ion Batteries Battery 236

Green Car Congress

SEPTEMBER 4, 2010

A team of researchers from the Korea Advanced Institute of Science and Technology, Università degli Studi di Milano-Bicocca (Italy), and Stanford University have synthesized ultrathin LiMn 2 O 4 nanowires for use as a Li-ion cathode material offering high power densities. Article ASAP doi: 10.1021/nl101047f.

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Li-ion Ni-Li Lithium Ion Power 186

Green Car Congress

OCTOBER 12, 2009

An international team of researchers from Stanford University, Università degli Studi di Milano-Bicocca, and Korea Advanced Institute of Science and Technology (KAIST) is proposing the use of single nanostructure devices as a powerful new diagnostic tool for Li-ion batteries. Article ASAP doi: 10.1021/nl902315u.

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Li-ion Batteries Battery 2009 186

Green Car Congress

APRIL 8, 2010

As has been noted many times, silicon is a promising candidate for electrodes in lithium ion batteries due to its large theoretical energy density of about 4,200 mAhg -1 —10x higher than graphite (372 mAhg -1 )—and relatively low working potential (~0.5 V vs Li/Li + ). Article ASAP doi: 10.1021/nl100086e.

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Li-ion Lithium Ion Ni-Li Universal 170

Green Car Congress

JUNE 6, 2010

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). Energy Fuels, Article ASAP doi: 10.1021/ef1004122. Lin et al. —Lin

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Li-ion Carbon Lithium Ion Charging 186

Green Car Congress

OCTOBER 13, 2019

A new material that can selectively capture CO 2 molecules and efficiently convert them into useful organic materials has been developed by researchers at Kyoto University, along with colleagues at the University of Tokyo and Jiangsu Normal University in China. —Susumu Kitagawa, materials chemist at Kyoto University.

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Polymer Convert CO2 Carbon 255

Green Car Congress

AUGUST 25, 2017

Researchers have achieved a significant boost in the storage capacity of magnesium-ion batteries through a new design for the cathode and a new understanding of the electrolyte. Magnesium ion is known to be hard to insert into a host. More than that, magnesium ions produced in that way move extremely slowly in the host.

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Li-ion Design Batteries Battery 210

Green Car Congress

AUGUST 18, 2014

Ragone plot, comparing Li-CNT-F batteries with other batteries in terms of weight of cathode materials. The highest energy density for Li-CNT-F batteries, 4,113 Wh kg carbon ?1 Reaching beyond the horizon of LIBs [lithium-ion batteries] requires the exploration of new electrochemistry and/or new materials. Click to enlarge.

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Li-ion Carbon Lithium Ion Energy 225

Green Car Congress

AUGUST 24, 2012

Researchers at the University of Tokyo are exploring the development of novel lithium-free “oxygen rocking” rechargeable aqueous batteries for large-scale energy storage. Scientific Reports 2, Article number: 601 doi: 10.1038/srep00601. Operating principle of oxygen rocking batteries using CLFO. Hibino et al. Click to enlarge.

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Li-ion Batteries Battery Lithium Ion 285

Green Car Congress

JULY 1, 2019

The research, published in the journal Joule , builds on innovations first reported in Science in 2017 by the same research group at the University of California San Diego and the university spinout South 8 Technologies. —Yang et al. for 500 charge cycles at room temperature. This is up from the 97.5% 1721646).

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Gas San Diego Li-ion Batteries 247

Green Car Congress

JULY 25, 2014

Charge–discharge profiles of ion-exchanged MgFeSiO 4. A team of researchers from Kyoto University has demonstrated ion-exchanged MgFeSiO 4 as a feasible cathode material for use in high-energy-density rechargeable magnesium batteries. The ion-exchanged MgFeSiO 4 cathode materials provide a capacity of more than 300 mAh·g ?

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Recharge Li-ion Energy Batteries 252

Green Car Congress

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

Green Car Congress

JULY 27, 2014

Researchers at the University of Tokyo, led by Dr. Noritaka Mizuno (“oxygen rocking”, earlier post ), in collaboration with Nippon Shokubai Co., V)—about on par with Li-sulfur’s very high theoretical energy density of ~2,600 Wh kg -1 (based on lithium-sulfur redox couple, e.g., earlier post ). and Li 2 O 2 (or O 2 2? ).

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Li-ion Recharge Batteries Battery 225