This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
the key to addressing the low-temperature capacity loss lies in adjusting the surface electron configurations of the carbon anode to reinforce the coordinate interaction between the solvated Li + and adsorption sites for Li + desolvation and reduce the activation energy of the charge-transfer process. . …
NASA has selected four proposals for advanced Li-ion and Li-sulfur energystorage technologies that may be used to power the agencys future space missions. High Energy Density and Long-Life Li-S Batteries for Aerospace Applications, submitted by the California Institute of Technology in Pasadena.
Researchers from the US Department of Energy’s (DOE) SLAC National Accelerator Laboratory and Stanford University have designed a new lithium/polysulfide (Li/PS) semi-liquid (flow) battery for large-scale energystorage, with lithium polysulfide (Li 2 S 8 ) in ether solvent as a catholyte and metallic lithium as an anode.
Researchers at Arizona State University have shown that paper-folding concepts can be applied to Li-ion batteries in order to realize a device with higher areal energy densities. Recently, there has been much interest in the development of electronic and energystorage devices using paper and textile components.
Amprius’ plan, outlined at the DOE Merit Review in 2012, is to start with consumer electronics and move to vehicle and grid storage markets. a developer of lithium-ion batteries using silicon nanowire anodes ( earlier post ), has launched the first generation of its high-capacity and high-energy-density Li-ion batteries.
The winner of the best paper in 2019 was an effort by researchers then at the University of Cambridge, Argonne National Laboratory and the Diamond Light Source, Harwell Science and Innovation Campus, on the use of niobium tungsten oxides for high-rate lithium-ion battery storage. The paper (Griffith et al. ) Griffith et al.
A Li-air cell. Argonne National Laboratory, which has contributed heavily to the research and development of Li-ion battery technology, is now pursuing research into Lithium-air batteries. Li-air batteries use a catalytic air cathode that converts oxygen to lithium peroxide; an electrolyte; and a lithium anode.
A team from Nankai University (Tianjin, China) has shown that “MXenes”—exfoliated 2D carbide and carbonitride nanosheets that are structurally similar to graphene, where M represents transition metals, and X is either C or/and N—are promising anode materials for Li-ion batteries. —Tang et al. —Tang et al.
The US Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E) has selected 19 new projects to receive a total of $43 million to develop breakthrough energystorage technologies and support promising small businesses. Advanced Management And Protection Of Energy-Storage Devices (AMPED).
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.
Densities for steel springs and Li-ion batteries provide a comparison. the molecular scale, CNTs can function as mechanical springs that store a great deal of energy for their size due to their networks of strong carbon–carbon bonds. 2009) Modeling mechanical energystorage in springs based on carbon nanotubes.
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.
Here, we combine two operando methods, Kelvin probe force microscopy (KPFM) and neutron depth profiling (NDP), to identify the rate-limiting interface in operating Si-LiPON-LiCoO 2 solid-state batteries by mapping the contact potential difference (CPD) and the corresponding Li distributions. —Alec Talin, co-corresponding author.
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. Titanium dioxide (TiO 2 ) nanomaterials are of interest as Li-ion anode materials due to their advantages in terms of cost, safety, and rate capability.
A chart from EnerG2’s 2012 DOE Merit Review presentation shows different pore profiles for different energystorage applications. These properties can be tailored and modified for adaptation to the specific requirements of a given energystorage application. Click to enlarge. Aaron Feaver.
A team from Monash University, a leading university in Australia, and the Toyota Research Institute North America (TRINA), a division of Toyota Motor North America R&D (TMNA) based in Ann Arbor, Michigan, reports a novel family of closo-boron-cluster based room temperature ionic liquids (RTILs). Photo Credit: Dr. Mega Kar.
John Goodenough at the University of Texas at Austin and colleague Kyu-Sung Park have written a perspective paper on Li-ion batteries (LIBs), published in the Journal of the American Chemical Society. More recently, at the University of Texas, Austin, Dr. Goodenough patented a new class of iron phosphate materials.
Commercial fast-charging stations subject electric car batteries to high temperatures and high resistance that can cause them to crack, leak, and lose their storage capacity, according to researchers at the University of California, Riverside (UCR) in a new open-access study published in the journal EnergyStorage.
Reversible Li extraction capacity of nanoSi electrodes with alginate, CMC and PVDF binders vs. cycle number collected for the current density of 4200 mA g –1 for cells cycled in the potential window of 0.01-1 1 V vs. Li/Li +. Click to enlarge. —Kovalenko et al.
Scanning electron microscope image of polyethylene microcapsules spin coated onto Li-ion battery anode. These microcapsules are thermally triggered during thermal runaway conditions and infuse the anode shutting down ion transport and preventing lithium fires. Photo credit: Marta Baginska. Click to enlarge. —Scott White.
A plot of ESOI for 7 potential grid-scale energystorage technologies. Benson from Stanford University and Stanford’s Global Climate and Energy Project (GCEP) has quantified the energetic costs of 7 different grid-scale energystorage technologies over time. Credit: Barnhart and Benson, 2013.
Canada-based Li-ion maker Electrovaya Inc. is the energystorage partner for a utility demonstration project led by CEATI International Inc., Other partners include major utilities and universities. headquartered in Montreal. The total project cost is estimated at approximately $7.5
have signed a Memorandum of Understanding (MoU) to establish a joint venture for high-volume production of superior quality Lithium Iron Phosphate (LFP); LFP is a cost-effective, safe and eco-friendly cathode material for use in rechargeable lithium-ion batteries. LG Chem supplies the Li-ion cells for the Chevy Volt, for example.).
is introducing new graphene composite anode materials for Li-ion batteries. The company is currently offering two versions of the materia, one optimized for high current, the other for high energy. The company is currently offering two versions of the materia, one optimized for high current, the other for high energy.
Researchers at Rice University have created an inexpensive silicon-based anode material for Li-ion batteries consisting of macroporous silicon particulates (MPSPs) created by crushing porous silicon films they had earlier developed. Thakur et al. Click to enlarge. Earlier post.) —Lisa Biswal. Isaacson, Michael S.
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.
A research team at Korea Electrotechnology Research Institute (KERI) has developed a high-capacity Li-metal battery with improved rate performance and stability using a one-dimensional Li-confinable porous hollow carbon host. However, these hosts suffer from unwanted Li growth on their surface (i.e., Kang et al.
Credit: ACS, Li et al. The results demonstrate that the major opportunity for reducing the life cycle impacts of the battery pack is to use clean energy supply for battery operation, such as solar and wind electricity, which could reduce these environmental impacts significantly. —Li et al. —Li et al.
A research team at Monash University (Australia) led by Professor Dan Li of the Department of Materials Engineering has developed a new strategy to engineer graphene-based supercapacitors (SC), resulting in an energy density of 60 Wh/liter—comparable to lead-acid batteries and around 12 times higher than commercially available SCs.
is funding a research consortium with the University of British Columbia (UBC) to develop a low-cost and scalable method for fabricating silicon-based anodes to improve the energy density of Li-ion batteries. Fabrication and evaluation of Si-based anode for Li-ion batteries. Canada-based MGX Minerals Inc.
The new projects in four focus areas join the existing Faraday Institution research projects that collectively aim to deliver the organisation’s mission to accelerate breakthroughs in energystorage technologies to benefit the UK in the global race to electrification. Next generation lithium ion cathode materials.
Other silicon anode projects supported by the DOE includes those being done by Amprius, Angstrom Materials and NC State University. Consequently, the market may be poised for the entrance of a first wave of higher-energy density—and lower-cost—automotive Si-C cells in the 2014 or 2015 timeframe. Click to enlarge.
Engineers at the University of California San Diego and the University of California Los Angeles have developed an energy-efficient approach to regenerate Li-ion battery cathode materials (using LiCoO 2 as a model material) by hydrothermal treatment of cycled electrode particles followed by short annealing.
Scientists from Tohoku University have developed a new fluorine-free calcium (Ca) electrolyte based on a hydrogen (monocarborane) cluster that could potentially realize rechargeable Ca batteries. High-energy-density and low-cost calcium (Ca) batteries have been proposed as ‘beyond-Li-ion’ electrochemical energystorage devices.
The German Federal Ministry of Education and Research (BMBF) is contributing about €19 million (US$24 million) to a new €36-million ($US46 million), 3-year, public-private research project to improve further the safety of lithium-ion batteries for electric and hybrid vehicles.
For the near term, they have been working on a dual-battery combining a lithium-ion battery with a 12-volt lead-acid battery that could enable regenerative braking technology in non-hybrid vehicles for greater fuel savings. The research advances lithium-ion battery technology currently available on Ford’s electrified vehicles.
Researchers in the UK are developing a rechargeable lithium-air battery that could deliver a ten-fold increase in energy capacity compared to that of currently available lithium-ion cells. The project addresses a number of the materials issues necessary to realize this high energystorage battery based on a non-aqueous O 2 electrode.
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-ionstorage capacities than that of commercial graphite anodes.
As part of the FY 2012 Phase I Release 3 SBIR/STTR Award program, the US Department of Energy (DOE) has awarded Michigan-based XG Sciences, a manufacturer of graphene nanoplatelets ( earlier post ), a contract to develop low-cost, high-energy Si/graphene anodes for Li-ion batteries for use in extended range electric vehicle applications.
The new EPIC project coordinated by Karlsruhe Institute of Technology (KIT) is aimed at accelerating the drying of high-quality electrodes for lithium-ion batteries, increasing the energy efficiency of this process and, hence, reducing the cost of production. EPIC is funded by the Federal Ministry of Research with €3 million.
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.
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. Credit: ACS, Yin et al. Click to enlarge. —Yin et al.
Researchers at the University of Wollongong (Australia) have synthesized lead germanate-graphene nanosheets (PbGeO 3 -GNS) composites for use as anode materials for Li-ion batteries (LIBs). 1 ), low working potential, and high lithium ion diffusivity (400 times higher than that of the well-studied Si). 1 at 100 mA g ?1
Researchers from the University of Cambridge, with colleagues from Argonne National Laboratory in the US and Diamond Light Source, Harwell Science and Innovation Campus, UK, have identified a group of materials—niobium tungsten oxides—that could be used to make even higher power batteries. Griffith et al. —Griffith et al.
We organize all of the trending information in your field so you don't have to. Join 5,000+ users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
Let's personalize your content