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Electrochemical performance of the modified hollow carbon nanofiber cathode. (a) a) Specific capacities of the PVP modified sulfur cathode at C/5, C/2 and 1C cycling rates. (b) Lithiumsulfur batteries are of great interest due to their high specific energy and relatively lowcost (e.g., Click to enlarge.
Kentucky Governor Steve Beshear announced that start-up lithium-sulfur battery company NOHMs (Nano Organic Hybrid Materials) Technologies Inc. has selected to locate its research, manufacturing and product development facility for military, cell phone and electric vehicle lithium-ion batteries in Lexington. Source: NOHMs.
Scientists from the Daegu Gyeongbuk Institute of Science and Technology, Korea, have developed a novel silica-based cathode for lithium–sulfur batteries, thereby enabling the realization of batteries that can last for more than 2,000 charge/discharge cycles. However, carbon-based hosts cannot trap LiPS.
Lignosulfonate, a sulfonated carbon waste material, is a major by-product in the papermaking industry. Researchers at Rensselaer Polytechnic Institute (RPI) have now developed a method to use this cheap and abundant waste byproduct to build a components for lithium-sulfur batteries. per cycle over 200 cycles. Click to enlarge.
Researchers at Toyohashi University of Technology in Japan have developed an active sulfur material and carbon nanofiber (S-CNF) composite material for all-solid-state Li-sulfur batteries using a low-cost and straightforward liquid phase process. 600 mA h g –1 S was maintained at 1C (1.77 mA cm –2 ).
The Fraunhofer Institute for Material and Beam Technology IWS in Dresden is leading a research project targeting a new generation of sulfur-based batteries. Fraunhofer IFAM develops optimized separators for the lithium-sulfur battery cell based on the researched solid electrolytes. million in funding.
A team from Lawrence Berkeley National Laboratory and Tsinghua University (China) have synthesized graphene oxide-sulfur (GO-S) nanocomposite cathodes and applied them in lithium/sulfur cells to show a high reversible capacity of 950-1400 mAh g -1 and stable cycling for more than 50 deep cycles at 0.1C (1C = 1675 mA g -1 ).
Lithium-sulfur batteries are of great interest for electromobility applications, among others, due to their high specific energy and relatively lowcost, but are challenged by significant capacity decay over cycling. In the lithium-sulfur model, the cathode is composed of elemental sulfur. Althues, J.
ARPA-E’s new program, Robust Affordable Next Generation Energy Storage Systems (RANGE) ( earlier post ), aims to accelerate widespread EV adoption by dramatically improving driving range and reliability, and by providing low-cost, low-carbon alternatives to today’s vehicles. Advanced Aqueous Lithium-Ion Batteries.
ARPA-E’s first solicitation awarded $151 million to 37 projects aimed at transformational innovations in energy storage, biofuels, carbon capture, renewable power, building efficiency, vehicles, and other areas. Novel Biological Conversion of Hydrogen and Carbon Dioxide Directly into Biodiesel. Earlier post.) Engineering E. per gallon.
When no carbon black was added to the electrode mixture, a very high Li 2 S content (88 wt % Li 2 S) electrode composed of 98 wt % 1 ? Lithium/sulfur cells are seen as a promising next-generation “beyond Li-ion” technology. carbon composites; trapping of polysulfides; and electrolyte modification. Click to enlarge.
Researchers from Central South University in Changsha, China, have developed a separator with a nitrogen-doped porous hollow carbon sphere (NHC) coating for use in Li-S batteries. They prepared the nitrogen-doped porous hollow carbon spheres by pyrolysis of a polydopamine (PDA) carbon precursor on the surface of silicon dioxide (SiO 2 ).
Purdue engineers have used upcycled low-density polyethylene (LDPE) plastic to boost the lifespan of lithium-sulfur batteries. They first prepared porous sulfonated carbon (PSC) from LDPE plastic via microwave-promoted sulfonation. with cycle retention of 79% over 200 cycles. —Kim et al.
sunlight through low-cost, plastic light-guiding sheets and then. If successful, the new crop would have a lower cost of. Turbo-POx For Ultra Low-Cost Gasoline. ARPA-E OPEN 2012 selections: Carbon Capture. ASU’s technology aims to cut both the energy use and the cost, in half, compared to current methods.
Stanford University scientists have created a new ultrahigh surface area three-dimensional porous graphitic carbon material that significantly boosts the performance of energy-storage technologies. The maximum surface area achieved with conventional activated carbon is about 3,000 m 2 g –1. cm –3 ), and hierarchical pore architecture.
The “classic” high-energy capacity Lithium-sulfur battery is predicated on the use of a sulfur-based cathode and a Lithium-metal anode. Among the issues hampering the commercialization of this attractive technology are the safety and performance issues associated with the use of the lithium-metal anode.
X-ray spectroscopic analysis and ab initio calculation results indicate that the excellent performance can be attributed to a well-restored C–C lattice and the unique lithium polysulfide binding capability of the N functional groups in the NG sheets. —Qiu et al. Batteries'
Sulfur has a theoretical specific capacity of 1,672 mAh/g, about 5 times higher than that of traditional cathode materials based on transition metal oxides or phosphates. Sulfur also possesses other advantages such as lowcost and environmental benignity. Nevertheless, Wang et al. Nevertheless, Wang et al.
the commercialization of lithium-sulfur (Li-S) batteries has been severely hindered by the polysulfide (PS) shuttling effect whereby PSs dissolve into the electrolyte and shuttle across the separator to react with anode materials, leading to a rapidly fading capacity with repeated charge/discharge cycles. —Lei et al.
This project will develop a new process that enables low-cost, domestic manufacturing of magnesium. This project will develop a novel lowcost route to carbon fiber using a lignin/PAN hybrid precursor and carbon fiber conversion technologies leading to high performance, low-costcarbon fiber.
Their approach, described in a paper published in the Journal of the American Chemical Society , creates composites based on lithium sulfide uniformly dispersed in a carbon host, which serve to sequester polysulfides. polyacrylonitrile), to control the distribution of lithium sulfide in the host material. Earlier post.)
Researchers from Hunan University and Changsha University in China have designed 3D hierarchical porous nitrogen-doped aligned carbon nanotubes (HPNACNTs) with well-directed 1D conductive electron paths as scaffold to load sulfur for use as a high-performance cathode in Li-S batteries. —Deng et al.
optioned a PNNL-developed method for building titanium oxide and carbon structures that greatly improve the performance of lithium-ion batteries. The new material stores twice as much electricity at high charge/discharge rates as current lithium ion batteries, and creates increased battery capacity and a longer cycle life.
Researchers in have shown that a lithium-sulfur (Li-S) battery with a reduced graphen oxide (rGO) -coated separator exhibits much smaller impedance and much better electrochemical performance than cells with an uncoated separator. After coating with rGO, the initial discharge capacity can be as large as 1067 mAh g −1 at 0.2
As described in an open-access paper in the RSC journal Chemical Communications ,the polymer exhibits high sulfur content and offers longer lifetime stability compared to pure sulfur, providing new protocols to develop new cathode materials for Li-S batteries. Cycling performance of Az-S and pure sulfur at 0.3 Chen et al.
The introduction of hydrogen into the engine virtually eliminates fuel emissions while greatly reducing the emissions of hydrocarbons and carbon monoxide. When combined with other advanced battery materials, it could effectively lower battery life cycle cost by up to 70%.
A Li/S cell built at high sulfur mass loading (4 mg cm -2 ) using the IL-based electrolyte demonstrated a stable capacity of 600 mAh g -1 for double the cycles of a cell using LiNO 3 additive (300 vs 150). Additionally, the mitigation of sulfur deposition through the Li-polysulfide migration to the anode side has been demonstrated. …
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. Another major concern regarding the lithium?sulfur Click to enlarge.
The US Department of Energy (DOE) is awarding $60 million to 24 research and development projects aimed at reducing carbon dioxide emissions from passenger cars and light- and heavy-duty trucks. (DE-FOA-0002420) AOI 1b: Liquid Electrolytes for Lithium-Sulfur (Li-S) Cells. art LithiumSulfur and Lithium Air Battery Cells.
The renewable energy projects are: Safe, high-performance lithium-sulfur batteries for electric vehicle applications. Goal: To develop next-generation high-energy density batteries to help bring about low-cost and safe electric vehicles with driving ranges well above 250 miles.
Two projects will research, develop, and use integrated computation materials engineering (ICME) techniques to develop lowcostcarbon fiber from a variety of feedstocks and precursors that can be used to make carbon fiber with less energy and lower cost. ICME LowCostCarbon Fiber (Area of Interest 2).
They suggest that a lowcost, non-flammable and heavy-metal-free aqueous cathode can contribute to the feasibility of scale-up of lithium-iodine batteries for practical energy storage. Li metal with 1 M of LiPF 6 in ethylene carbonate (EC)/dimethyl carbonate (DMC) electrolyte was used for the anode.
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.
For the longer term, (2017-2027) while “beyond Li-ion” battery chemistries such as lithium-sulfur, magnesium-ion, zinc-air, and lithium-air, offer the potential of significantly greater energy densities, breakthrough innovation will be required for these new battery technologies to enter the PEV market, according to DOE.
Polysulfide-Blocking Polymer Membrane Separators for Rechargeable Lithium-Sulfur Batteries The advanced energy economy will be a dominant market force in the 21st century, one driven by US demand but asymmetrically low domestic supply without immediate action. NanoSonic, Inc.
This will be followed by an assessment of the perceived technological barriers and the potential energy density gains for so-called post-LiBs, namely lithium-oxygen and lithium-sulfur batteries. On the Li-sulfur side, it is difficult to achieve the expected gravimetric energy density from a lithiumsulfur battery-system.
Furthermore, DOE will only support technologies that emit less carbon than incumbents—in keeping with our national energy goals. The performance, lowcost, and fuel flexibility of ICEs makes it likely that they will continue to dominate the vehicle fleet for at least the next several decades, according to the report. fleets).
Li-sulfur batteries are looked to as a likely next-generation higher energy density energy storage system due to the high theoretical capacity, lowcost and high earth abundance of sulfur. Credit: ACS, Chen et al. Junzheng Chen, Wesley A. Henderson, Huilin Pan, Brian R. 7b00417.
American Lithium Energy Corporation. High Loading Lithium-Ion Electrode Architecture for LowCost Electric Vehicle Batteries Ballast Energy, Inc. is developing the next generation of lithium-ion batteries for electric vehicles with a unique cost cutting innovation. 149,999.70. 150,000.00. Bettergy Corp.
Lithium-sulfur batteries are extremely attractive as a next-generation energy storage solution due to their high theoretical energy density (2600 W·h·kg −1 ), environmental friendliness, and lowcost due to the earth-abundant resource of elemental sulfur—also a byproduct from the petroleum industry.
The top two awards, one of $9 million to a project led by Dow Chemical, and one of $8.999 million to a project led by PolyPlus, will fund projects tackling, respectively, the manufacturing of low-costcarbon fibers and the manufacturing of electrodes for ultra-high-energy-density lithium-sulfur, lithium-seawater and lithium-air batteries.
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