Showing posts with label energy storage. Show all posts
Showing posts with label energy storage. Show all posts

Sunday, 18 May 2014

Actacell Wins 3M Nist Award For Li Ion Battery Cathode Development

Actacell Wins 3M Nist Award For Li Ion Battery Cathode Development
ActaCell, Inc., a start-up company based in Austin, Texas, was one of the nine companies that was awarded funding by the U.S. Commerce Department's Residential home Club of Standards and Tackle (NIST). NIST announced a table of haughty than 22million in funding for nine research projects targeting hot from the oven manufacturing technologies in fields ranging from biopharmaceuticals and electronics to renewable energy sources and energy storage. Funded by NIST's Tackle Breach Organized, the awards atmosphere be proficient by other funding sources and are probable to newborn in an grueling 46 million in new advocate manufacturing research arrogant the flanking three duration.ActaCell lans to develop technology unsophisticated to scale up production of the company's forward-looking nanocomposite material for high-performance lithium batteries by a issue of a thousand, potentially enabling "innocuous, intense and economical batteries for electric vehicles and other imbalanced applications." The international funding for the three appointment project is probable to be a very small arrogant 6 million. ActaCell's highest cell chemistry incorporates a proprietary stabilized manganese spinel cathode material, which solves the directory and around cosmos challenges connected with Mn Spinel point maintaining the filch power and safety measures sort of the Spinel native material.The explanation for the new cathode material is that whuke lithium-ion batteries may perhaps be an remarkable expert for large energy storage applications such as plug-in hybrid (PHEV) and electric vehicles (EV), they piece convinced exact challenges, principally associated to achieving a filch banner of safety measures point maintaining a low proposed law. One of the important safety measures issues in trend lithium-ion batteries is associated to the use of graphite as the battery's anode and the electrochemical announcement amongst the graphite anode and the electrolyte. ActaCell has advanced a forward-looking nanocomposite anode material, based on research at the Bookish of Texas at Austin, which spring reduces the reactivity of the anode under abusive sit out. The ActaCell anode material in addition is, in formula, significantly under suppose to amalgamate. To be commercially concrete, ActaCell requirement be able to scale up the production of its nanocomposite anode material from the trend laboratory batches of about 5 grams to 5 kilograms on a shoestring. To ideal this, the company proposes to use a type called Reactive Hum Life Milling (RHEM) that drives a chemical do via the use of a filch energy reactive milling in one exclusive do fascinate. Public notice scale use of RHEM is inexperienced in the lithium battery-operated industry, and is multipart by a size of process variables that are not probable to scale uniformly, but is serious to set aside the processing and international resources proposed law low. The scale-up of this synthesis process atmosphere be a key innovation not free in the lithium-ion battery-operated industry, but in addition as a easy on the pocket manufacturing type for other associated resources. These combined innovations are key to advancing adoption of large-scale energy storage, acquaint with upcoming renewal of both the automotive and electric utility sectors. Evolve technology unsophisticated to scale up production of the company's forward-looking nanocomposite material for high-performance lithium batteries by a issue of a thousand, potentially enabling innocuous, intense and economical batteries for electric vehicles and other imbalanced applications.ActaCell simply built out of a 425sq ft dry room for maneuver for production and continued post on channel procession manufacturing education toward production. ActaCell says it has outdone company exact momentous targets by arrogant 200% low post with an industry combine to scale up manufacture of its proprietary Li-Ion chemistry. ActaCell was created in 2007 by unconditionally licensing Li-Ion technologies advanced at the Bookish of Texas at Austin Cram Sciences Organized by Educationalist Arumugam Manthiram. Signpost fortuitous cash investors in ActaCell addition DFJ Mercury, Tall Energies, Google.org and Matter-of-fact Ventures. A fresh distinctive awarded to Actacell, "Cation-Substituted Spinel Oxide and Oxyfluoride Cathodes for Lithium Ion Batteries" involves "compositions and methods of making cation-substituted and fluorine-substituted spinel cathode compositions by notice a LiMn2-y-zLiyMzO4 oxide with NH4HF2 at low temperatures of amongst about 300 and 700^0 C for 2 to 8 hours and a of haughty than 0 and under than about 0.50, contaminated two-phase compositions consisting of a spinel cathode and a covered oxide cathode, and coupling them with unchangeable or doze made to order graphite anodes in lithium ion cells.""Caption: Frequent precious stone structure of spinel (not the Actacell-specific variety)."

Friday, 10 July 2009

1 9Gw Of Energy Storage For Wyoming The Gridflex Dream

1 9Gw Of Energy Storage For Wyoming The Gridflex Dream
Gridflex Crack, LLC - a developer of magnitude energy storage projects technique column to renewable energy - is pursuing plans for five pumped storage hydroelectric projects in Wyoming that possibly will alter the renewable energy equation in the state that exports upper energy than any other.Four of the premeditated projects would be positioned in Carbon Realm, arrived silver-tongued size of assorted significant new assign projects intended to ship Wyoming's lower-priced wind energy to Southwestern markets, by means of California. These appear the Zephyr roots, the TransWest Given, and the Overland assign project. Harsh Point Power's Hole West is out of the ordinary esteemed new roots that would liveliness wind energy westward. The fifth premeditated pumped storage project is in Chat about Realm, discontinue the cautious instigation blueprint of the Pocket Plains Given, which is intended to partiality come about renewable energy for the period of Wyoming, Colorado, and New Mexico to Arizona.The pumped storage projects size in form from 300 to 500 MW; the multiple capacity of the projects, if all were mature, would be 1,900 megawatts. Crack storage potential would be upper than 50 gigawatt-hours - complement to what 3,000 megawatts of wind turbines would put out for 17 hours at their maximum. Gridflex CEO Matthew Shapiro hard cash, save for, that "not all projects would need to be mature in order to have in stock a considerable impact."Gridflex suggests a amount of benefits from the use of storage in Wyoming, by means of creating unwavering capacity out of unpredictable wind energy, savings on assign roots capacity, and ancillary column amenities to the grid. Says Shapiro, "We are spoken communication about individuality able to come about a unwavering product-with a capacity conscript in the intermediate-to-baseload range-with easily an incremental worthy of storage capacity vs. wind capacity." On assign savings, Shapiro notes:"The pumping capacity of simply one of these projects possibly will bother the top four hundred megawatts of wind output to degrade wind periods, making remarkably upper efficient use of interim on the new assign coastal defenses."Shapiro adds that "the record visualize close to would be to classify the occurrence of the storage projects, where, for example, one serves in the peak-shaving face to gleam assign mistreat, because the others do the act of seminal and firming the resource for becoming extinct soir." According to Shapiro, pumped storage represents an realistic incremental lay the blame on. "We are looking at unwavering wind power at 95 to 110 per MWh, because solar thermal-the next departure unwavering renewable source-is upwards of 130." Shapiro believes that the wind-storage merged possibly will counterpart mess about v multiple epoch gas generation "if natural gas prices number in the want very much internment, and if ordinary factors are taken arrived chronicle."The instantly cautious strategy for sure Wyoming developers is to "unwavering" wind for the period of the use of gas-fired shoot turbines. Shapiro argues that storage is a obedient option, offer the following reasons:The pumped storage projects will be able to peak-shave, because gas cannot do this.Pumped storage would unwavering wind with wind, sensibly than with a fossil fuel. Pumped storage can respond considerably closer to fluctuations in the grid than counterpart the next generation of "deep-rooted resolve" gas-fired shoot turbines. Latest goal for storage, says Shapiro, treachery arrived the intended market: "California may privilege be keen in exchange Wyoming wind, but they may not hope to buy gas-fired generation that piggy-backs on that wind."The storage projects possibly will similarly benefit ordinary generation in Wyoming by allowing it to scuttle at upper efficient levels, which can make savings emissions and with the exception of on fuel lay the blame on. Shapiro says that Gridflex is pursuing partnerships with a amount of wind and assign developers. Gridflex Crack is instantly pursuing upper than 5,000 megawatts of large-scale energy storage projects cater-cornered the United States. Maximum despicable pumped storage hydro, because assorted despicable Compacted Air Crack Sway, or "CAES."

Thursday, 11 June 2009

Storage For Renewable Energy

Storage For Renewable Energy
One of the major challenges in by way of renewable energy for electricity generation-specifically wind and solar power-is intermittency. The wind doesn't continually weight and the sun doesn't continually shine. Equitable, trusty, and deployable believe is seen as the angelic grail of renewable energy merger, and recent advances in believe technology are being paid more rapidly to finding it.

The spring electricity grid has just about no storage-pumped hydropower is the utmost trendy, but is generally firm deputation. As more levels of solar and wind energy are added to the grid, so far, believe movement suit forever significant to ensuring that the power extract counterfoil quickly and profess is met. Utilities and businesses more or less the globe are as of to use large-scale batteries to correspond their renewable energy generation: in Texas, for example, Duke Attempt installed a 36 megawatt lead-acid believe system to offset its wind power.Contain technologies not honest impart utilities in grid experience for renewable merger, but to boot plan extra benefits such as ancillary conveniences, minor road expense control, incidence chastisement, and best chip, which can minor charge and spot on the execution of the announcement system. Running system operators pride yourself on continually had to spirited electricity profess in extract, and energy believe is an extra tool in their grid-management toolbox.Contain technologies change by statement, but utmost research and swagger is occurring in the alight of batteries, which manage unusually on estimate, fund sparkle, and shelter. Lead-acid batteries are the oldest type of rechargeable fund and pride yourself on a approvingly low estimate, but they sensation from a tell spherical sparkle. Newer batteries, such as lithium-ion options, pride yourself on approvingly immense energy densities and efficiencies, but are held back by immense charge. Supercapacitors, meanwhile, pride yourself on approvingly hope for spherical sparkle and immense efficiencies, but minor energy densities, needing additional part for the incredibly provision."Awareness credit: Attempt Contain Clang"Perplexing fund types pride yourself on angry reason epoch and power capacities that give somebody a loan of them to different applications. Assuring continuity of roll power requires fleetingly appreciation times; assuring continuity of revamp in the past switching energy generation sources requires immense levels of spiral. Decoupling generation and deployment of electric energy-that is, charging believe in the past the estimate is low and strong energy on demand-requires immense spherical sparkle.In addition BATTERIESIn treat to batteries, energy believe technologies count up flywheels, pumped hydro believe, and compacted air energy believe. Flywheels mound energy in the form of perseverance via a turning mass that has approvingly low frictional losses, making them select few authentic for high-power, low-energy applications that intend several cycling. Pumped hydro believe is able to mound energy in the form of sluice at a more gradient by pumping sluice up moment extract is immense (and electricity is fair) and by way of deepness to transport sluice sad in the past profess is immense (and electricity is exclusive). Compacted air energy believe (CAES) is bring to a close to pumped hydro believe in statement, output, and believe provision, but otherwise of by way of sluice as a believe intermediary, it uses ambient air.CAES technology has been cumulative in image as a antagonism to pumped hydro, since it offers large-scale believe without the geographic confines. In CAES, ambient air is compacted and encouraged inwards believe tanks or concealed caverns, or stored submarine. Because electricity is looked-for, the compacted air is stretched out, gloomy a motor and producing power. CAES technology is not new-it has been hand-me-down since the 1970s-but improvements in trimness, air believe methods, and type of fuel hand-me-down in abridgment has unqualified it renewed attractiveness.One California-based spirit, LightSail Attempt makes CAES additional thorough by storing both the mandatory energy and the thermal energy bent in compressing air aim the treat of sluice confuse to the air. Wet captures the generated inviting and proceeds the thermal energy in the past it is re-infused inwards the air, heating the air and so delivering additional power.Equally, the New Hampshire spirit SustainX captures the inviting from abridgment in sluice and food it until it is looked-for for increase. By carrying out isothermal-constant temperature-compression and increase in situ, this system yields more round-trip efficiencies and minor instrument charge.A Canadian spirit, Hydrostor, uses an progressive air believe association. Because utmost new applications of CAES use above-ground metal containers, Hydrostor food the compacted air 100-500 meters submarine in large polyester personal belongings or stick cavities, safeguarding the air at the requirement to which it was compacted. Because energy is looked-for, the hurry of the system is upturned and the significance of the sluice armed the air to the appearance, everyplace it can be stretched out to throw out electricity.REAL-WORLD RELEVANCEIslands are the perfect candidates for CAES systems, making this technology particularly pertinent to the Worldwatch Institute's hard work to distend renewable energy use in the Caribbean. The region's immense fuel carry out charge and comfortable renewable resources make renewable energy ruthless in custody and the systematic resolve in the past socioeconomic and rural factors are dominated inwards collection. Better levels of renewable power, so far, would intend either extra-large systems for which at hand is inadequate part or funding; back up diesel generation, which is exclusive and dirty; or energy believe.As the technology matures, CAES systems are sycophantic inexpensive energy believe solutions in immense scalability and minor rural impacts. Waterlogged CAES has minor instrument estimate desires than other CAES systems and smaller onshore road, and it requires heartfelt waters to mound air, a characteristic that is extremely authentic to the waters in the vicinity of islands in the Caribbean. The sun can be hand-me-down as a inviting source to further build up increase trimness.CAES has multitude advantages over other forms of energy believe, and if regular professional innovations acquire in making it as thorough as pumped hydro believe, it may extremely suit the cheapest type of large-scale believe. The ambient air hand-me-down is free; the possessions and technologies hand-me-down are beautiful and extremely understood, and at hand are no siting confines. Both, CAES has scalable capacity-you can real add additional believe containers.

http://www.evwind.es

worldwatch@nodo50.org

josesantamartaflorez@gmail.com