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Researchers from the Cockrell School of Engineering at The University of Texas at Austin have developed a cobalt-free high-energy lithium-ion battery, eliminating the cobalt and opening the door to reducing the costs of producing batteries while boosting performance in some ways. graduate Wangda Li. —Li et al.
Researchers from Hanyang University in Korea and the BMW Group have developed a new fully operational, practical Li-ion rechargeable battery combining high energy density with excellent cycle life. g cm -3 ; a two-sloped full concentration gradient (TSFCG) Li[Ni 0.85 O 2 , Li[Ni 0.85 O 2 (NCM) and Li[Ni 0.8
Out of several candidates that could replace Li in rechargeable batteries, calcium (Ca) stands out as a promising metal. Not only is Ca 10,000 times more abundant than Li, but it can also yield—in theory—similar battery performance. Haesun Park, Chung-Ang University, co-corresponding author. —Prof.
Researchers from the University of Rome Sapienza (Italy) and Hanyang University (S. Korea) are developing a new advanced lithium-ion battery featuring a high capacity Sn-C nanostructured anode and a high rate, high-voltage Li[Ni 0.45 While Lithium metal alloys (Li-M, M = Sn, Si, Sb, etc.) Click to enlarge.
On the order of 1 billion 40 kWh Li-based EV batteries could be built with the currently estimated reserve base of lithium, according to a recent study by researchers from Lawrence Berkeley National laboratory and the University of California, Berkeley. 90% for Li-ion couples). Source: Wadia et al. Click to enlarge. Suitability.
The objective of the projects is to develop cells that provide more than 200 Wh/kg energy density, along with long cycle life and excellent abuse tolerance to enable 40-mile-range plug-in hybrid (PHEV) and electric vehicles (EVs). Penn State/University of Texas at Austin. The projects end in 2015. The projects end in 2015. Lin and Y.C.
Other silicon anode projects supported by the DOE includes those being done by Amprius, Angstrom Materials and NC State University. As an example, the military’s BB-2590 Li-ion battery used in a range of portable systems calls for a cycle life of ≥224 and ≥ 3 years.). Elements in achieving the Envia 400 Wh/kg cell.
Researchers at the University of Maryland (UMD), the US Army Research Laboratory (ARL), and Argonne National Laboratory (ANL) have developed a non-flammable fluorinated electrolyte that supports the most aggressive and high-voltage cathodes in a Li-metal battery. Li metal offers one of the highest specific capacities (3,860 mAh g ?1
Researchers at the University of Akron have developed hierarchical porous Mn 3 O 4 /C nanospheres as anode materials for Li-ion batteries. mA/g), excellent ratability (425 mAh/g at 4 A/g), and extremely long cycle life (no significant capacity fading after 3000 cycles at 4A/g) as an anode in a Li-ion battery. Li/Li + ).
This includes research on appropriate anodes, cathodes, and electrolytes for magnesium (Mg)-, sodium (Na)-, and lithium (Li)-based batteries and novel transition metal oxide- and nitride-based supercapacitor electrode materials. Magnesium is much more abundant in the Earth’s crust, making it less expensive than Li by a factor of 24.
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. Continued development of surface coatings promises to open new pathways to tune properties and performance of a wide range of active materials.
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. —Lee et al. Hyun-Wook Lee, P.
Now, researchers led by a team from the University of California San Diego team have determined a mechanism for the cause of the performance-reducing voltage fade in the high-capacity LRLO material called NMC. Here, we directly capture the nucleation of a dislocation network in primary nanoparticles of the high-capacity LRLO material Li 1.2
Researchers at Xi’an Jiaotong University in China have developed a new direct borohydride fuel cell (DBFC) that shows a peak power density of 663 mW·cm -2 at 65 °C (149 °F)—an increase in power density by a factor of 1.7 Xiaodong Yang, Yongning Liu, Sai Li, Xiaozhu Wei, Li Wang & Yuanzhen Chen (2012).
A team from Central South University, Changsha, China and Shaanxi University of Science & Technology, Xi’an, China, has proposed a mechanochemistry-based process to recover metals from waste cathode materials of LiCoO 2 (LCO) and LiFePO 4 (LFP) in spent Li-ion batteries (LIBs). of Li and 88.6% M H 2 SO 4.
kWh/kg of Al—second only to the Li-air battery (13.0 With its low cost, low environmental impact and safety aspects, the Al-air system has potential to serve as a near-term power source for electric vehicles, according to a research team from The University of Hong Kong and Hong Kong Polytechnic University. Earlier post.)
Now, researchers led by scientists of City University of Hong Kong (CityU) have discovered that adding a small amount of boron in a nickel-cobalt-iron-aluminum-titanium alloy creates an ultrahigh-strength material. The team discovered that when the concentration of boron ranged from 1.5 The findings are published in Science.
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. Theoretical/modeling projects.
candidate at Stony Brook University conducting research with the Electrochemical Energy Storage group at Brookhaven Lab, was originally studying how an additive, lithium difluorophosphate (LiPO 2 F 2 ), could be used to improve low-temperature performance of batteries. Sha Tan, a co-first author and Ph.D. Shadike, Z.,
XRD of new Argonne nano-Li 4 Ti 5 O 12 spinel. Argonne, in partnership with EnerDel, recently made uniform and small particle Li 4 Ti 5 O 12 with nano-size primary particles for application in high power batteries using a new proprietary process. Ni 0.175 Co 0.10 New titanate system for HEVs. Click to enlarge. Mn 0.525 ]O 1.95
Both EnerDel and AESC, Nissan’s Li-ion JV, work with that chemistry. million USABC research project, 50% cost-shared with DOE, in partnership with ANL on developing a battery system that matches the safety of its lithium titanate anode (Li 4 Ti 5 O 12 ) with a safe, high voltage 4.8V Wide temperature stability range, -30 to +50 °C.
V vs Li/Li + ). The Si NT arrays showed stable performance over prolonged cycles without restricted voltage ranges to limit the extent of lithiation. Used as an anode material, the arrays of Si nanotubes exhibit high initial Coulombic efficiencies (i.e., >85%) Selective removal of ZnO via a high temperature reduction process.
Researchers from Nanyang Technical University (NTU) in Singapore have shown high-capacity, high-rate, and durable lithium- and sodium-ion battery (LIB and NIB) performance using single-crystalline long-range-ordered bilayered VO 2 nanoarray electrodes. The VO 2 nanoarrays are supported on graphene foam (GF) and coated with a thin (?2
A team from Hanyang University (Korea) and the US Department of Energy’s (DOE) Argonne National Laboratory have developed a full concentration gradient (FCG) nickel-rich lithium transition-metal oxide material with a very high capacity (215?mAh?g 1 ) for use as a high-energy cathode in Li-ion batteries. Click to enlarge.
In a review paper in the journal Nature Materials , Jean-Marie Tarascon (Professor at College de France and Director of RS2E, French Network on Electrochemical Energy Storage) and Clare Gray (Professor at the University of Cambridge), call for integrating the sustainability of battery materials into the R&D efforts to improve rechargeable batteries.
Oxford University was also a partner. batteries using the same process of ion insertion and removal as in Li-ion batteries—have been discussed in the literature for some time. As such, there is potential to exploit the technology for use in a wide range of electric and hybrid vehicles, as well as energy storage applications.
Researchers at George Washington University led by Dr. Stuart Licht ( earlier post ) have developed a new process that transforms CO 2 into a controlled selection of nanotubes (CNTs) via molten electrolysis; they call the process C2CNT (CO2 into carbon nanotubes). Controlling the electrolysis conditions results in a range of product.
For more on plug-in hybrids and V2G, see CalCars Resources , University of Delaware V2G Research Center , and papers from a June 2005 conference in Seattle. A combination solution: increasingly renewable electricity as the primary fuel and ethanol as the range extender. What do environmental groups think of PHEVs? How can I help?
DOE will fund cost-shared projects with private industry, national laboratories, and university teams. Applications are sought for, but not limited to, the following areas: Formation and function of solid electrolyte interface layers, especially in Si and Li metal anodes. that occur in a wide range of length and time scales.
When the final funding opportunity announcement is released following this public comment period, DOE will accept applications from industry, national laboratories, and university-led teams to address these challenges and enable technologies that drive innovation in vehicle design. Temperature range of ambient air, °C. -40
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