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wants to know Possess an appropriate North Face Gloves 7 months ago
Possess an appropriate North Face Gloves
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wants to know Where to buy cheap handbags? 11 months ago
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Srividhya posted a question Energy storage solution 2 years ago
Will it be possible to improve the energy storage density of capacitors so that there would be a real time possibility to store more energy generated from solar and wind installations?
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Nanotechnology based capacitors have been developed which offer a possibility of better energy storage as compare to the conventional capacitors which store energy on the surfaces of metallized plastic film or metal electrodes. These super capacitors are basically electrical storage devices, with up to 100 times more storage density than conventional capacitors and 10 times higher power density than conventional batteries, as they incorporate high surface area nanoparticles
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Narsi posted a question What are the chances of non-battery storage for solar PV or wind power plants? 2 years ago
Currently few, if any, grid connected renewable energy power plants using solar or wind have storage. Outside of batteries, I see little efforts for energy storage at solar PV and wind energy power plants. Do you think there is any chance of other types of storage - pumped storage, flywheels, supercapacitors or storing it in the form of heated water or salt - being applicable for solar PV or wind power plants anytime in future?
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Good question... Most of the "new" energy that you mention in your question are based on renewable sources. Unlike the fossil fuels in which you store the fuel and derive electricity as and when you wish (which is almost 24X7X365!), many renewable energy sources such as solar and wind are intermittent. That means you will get power only when the wind blows or the sun shines. But let's say you are using solar power. How do you get electricity from the solar panels at night when there's no sun? Only if you use some form of energy storage... So, there you have it. For renewable sources to truly become baseload power sources (which means you can use them for uninterrupted power supply), some form of economical energy storage medium needs to be found. Unfortunately, right now, energy storage is very costly, especially storage of electrical energy. Which is why energy storage is sometimes called the holy grail of renewable energy.
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Narsi posted a question Disruptive Idea in Energy Storage 2 years ago
Energy storage is renewable energy's Holy Grail. Right now, none of the existing technologies in energy storage - batteries, pumped energy, storing heat in water or materials - are likely to perform such that it can sustain very large scale energy storage at affordable costs. Where do you think disruption in energy storage will come from? Will it be from existing technologies or from completely new ones?
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Existing energy storage technologies such as pumped hydro storage, compressed air storage, thermal storage and battery storage doesn't open up new avenues for developing a high-tech energy storage technology. Disruption in energy storage might come from the unexplored, but known options such as regenerative fuel cell storage, super conducting magnetic energy storage, flywheel storage and hydrogen energy storage. These technologies are in developmental stages and will be an integral component of energy market.
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Joshwolf shared a video My Algae Biodiesel Presentation 1 year ago
I am proposing a new solution to the algae biofuel industry. Using electrical stimulation, I have created biodiesel from algae for $0.96/gallon. Come view this presentation of my project
in Biomass Power Production Biobutanol Biodiesel Algae Fuels Biomass to Liquid Batteries Biodiversity Agri Waste Management Anaerobic Digestion of Waste Bioremediation Batteries for Electric Vehicles Biopolymers and Bioplastics Biotechnology Biomimicry
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great job. do u have any paper published about it?
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Gaya3 wants to discuss EMSL: News 1 year ago
Researchers have their sights set on longer lived Li-ion batteries, using EMSL’s TEM resources to help look for ways to counter anode capacity fade. Their work is featured in the March 26, 2012 issue of C&E News. - http://www.emsl.pnnl.gov/news/viewArticle.jsp?articleId=354
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Joshwolf shared a picture MEET LEVI 1 year ago
Through extensive testing I've performed over the last 2 months, I've concluded that the method of Low Energy Voltaic Impulse(LEVI) destroys specific protein channels along the cell wall membrane, allowing for lipid bodies (and some cytoplasmic fluids) to be secreted by the cell. By pumping this device with 120 gallons of water I was able to produce 4.35 Liters of lipid bodies which converted to 4.1 Liters of diesel fuel via transesterification. To run down 2 D cell batteries, I needed to perform this test 82 times producing just over 90 gallons of diesel fuel, and the lowest cost fuel conversion price of $0.03
in Biodiesel Algae Fuels Batteries Cleantech Education in Schools Biotechnology
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- 3 people added this post to their reference
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Josh have you computed how many gallons of water total you would need to grow enough botryococcus for a continuous supply of ripe algae to be processed by LEVI. In other words how many gallons of water would you need to process that 90 gallons continuously?
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Narsi says 1 year ago
Some energy storage methods - Include:
* pumped hydropower and compressed air storage
* flywheels
* Superconducting magnets
* Supercapacitors and ultracapacitors
* Batteries
* Advanced electrochemical capacitors -in Batteries
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@jago25 - good question, interesting thought... Pl see this... "Here’s a summary of a business plan in which an entrepreneur hopes to implement compressed air energy storage (CAES) in conjunction with a set of wind farms. CAES shows some promise as an energy storage solution, though considerable work needs to go into finding the right caverns, to match the charge and discharge rate from the energy source." Source - http://2greenenergy.com/wind-energy-and-compressed-air/14861/ One more: "Compressed-Air System Could Aid Wind Power - A startup says its compressed-air technology could do a better job of storing the power generated by wind turbines." http://www.technologyreview.in/energy/37896/ And finally, an interesting article: http://www.wired.com/wiredscience/2010/03/compressed-air-plants/ Hope these were of help
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Gaya3 wants to discuss Eos says zinc battery recipe is energy game-changer 1 year ago
Eos says zinc battery recipe is energy game-changer - http://www.physorg.com/news/2012-01-eos-zinc-battery-recipe-energy.html
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Kyzyl wants to discuss Paper Powers This Battery : Discovery News 1 year ago
Your next device could be powered by the paper you throw away. - http://news.discovery.com/tech/sony-paper-powered-battery-111215.html#mkcpgn=rssnws1
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Divyajeychandren wants to discuss Nexeon tips magic dust into our batteries 1 year ago
Nexeon has created the silicon powder that it hopes is the key to creating batteries on a commercial level, which will be used in everything from laptops to cars.
The new technology started in 2004, 53 miles away, in the department of electrical engineering at Imperial College London, when Professor Mino Green found the key to what Nexeon believes is the next generation in lithium ion batteries.
This "magic" dust is a powder created by running silver through particles of silicon to create spikes of matter – what Nexeon calls a hedgehog effect – that is used to help the movement of lithium in the battery cell. The powers of the silicon powder mean that, unlike carbon-only anodes, the batteries created from this will last longer, are lighter, and their rechargeability would not fade over time.
http://www.independent.co.uk/news/business/analysis-and-features/nexeon-tips-magic-dust-into-our-batteries-6271847.html -
Divyajeychandren wants to discuss Breakthrough in battery research could result in faster charging, more range - Energy News | CleanTick Portal - CleanTick.com 1 year ago
A team of researchers from Northwestern University, have discovered a way to make battery charging far more quicker and efficient. The lithium-ion battery electrode allows 10 times the capacity of today’s batteries and charges 10 times faster. It is expected to be available in the market in 3-5 years. The research titled “In-Plane Vacancy-Enabled High-Power Si-Graphene Composite Electrode for Lithium-Ion Batteries”, was published in the “Advanced Energy Materials” journal.
The researchers achieved this extra-ordinary result by layering silicon between graphene sheets and then creating small holes, up to 10-20 nm wide in the sheets, using chemical oxidation, terming it “in-plane defects” process. This offers the lithium ion a ‘shortcut’ into the anode and can result in faster charging. The research also found that the battery remained highly effective, by nearly 5 times than today’s lithium ion batteries, even after 150 charges, which would mean a usage time of 1-1.5 years.
http://www.cleantick.com/portal/news/pages/1300 -
Arunpillai wants to discuss W. Virginia Wind Farm Proves It Can Store Energy 1 year ago
Batteries turn intermittent wind into a steady stream of power - The 98 megawatt (MW) Laurel Mountain wind facility is storing excess energy in a huge 32 MW bank of lithium-ion batteries, the use of which is bringing the price down, while size and performance is improving.
http://www.matternetwork.com/2011/11/w-virginia-wind-farm-proves.cfm -
Kyzyl wants to discuss Berkeley Lab to Build Cost Model for Fuel Cells « Berkeley Lab News Center 1 year ago
Berkeley Lab to Build Cost Model for Fuel Cells « Berkeley Lab News Center - http://newscenter.lbl.gov/feature-stories/2011/11/01/cost-model-for-fuel-cells/
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Madhavan wants to discuss For Alternative Energy, Storage Makes All the Difference: View - Bloomberg 1 year ago
Arguments for solar and wind power are so enticing (endless availability, no pollution and so on) that it’s easy to see why the idea of transitioning the world economy to alternative energy over the next 40 years keeps gaining favor. - http://www.bloomberg.com/news/2011-10-17/for-alternative-energy-storage-makes-the-difference-in-reliability-view.html
Company : Energy Alternatives Indiain Batteries
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Bloomberg is a respectable edition. But what is new has said author in this article? He even hasn't marked the frames of the solutions, the empty slogans again are. "Judicious government backing for such ideas should persist, and even accelerate, worldwide. Alternative energy’s full potential goes well beyond the approaches that are being commercialized today. The sooner that major advances in areas such as storage can be found, the easier it will be to save billions by shrinking the need for backup plants". Who doesn't know it?
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Liquid Metal Battery, a company pursuing a breakthrough batterydesign, has attracted Bill Gates and an oil driller as seed investors, reports CNET. We’ve contacted the firm for comment.
The inventor of the core technology for the battery is Don Sadoway, MIT Professor of Materials Chemistry, one of the school’s most popularprofessors and sought-after speakers.
Here is what we wrote about Sadoway and his invention back in March:
http://www.greentechmedia.com/articles/read/mits-don-sadoway-on-energy-storage-and-his-liquid-battery/
Sadoway has challenged the research community to invent a colossal yetcheap battery. He directed researchers to look at the economy of scaleof modern electrometallurgy and the aluminum smelter, which handles theholy grail of batteries — achieving a high current while maintainingmassive scale.
Why is an aluminum cell not a battery? You have to produce liquid metals at both electrodes.
Making metal at the cathode is trivial, but making metal at the anodeis not so trivial. So Sadoway went back to the Periodic Table and usedmagnesium to "intimidate" antimony into behaving like a non-metal. Fromthere, using seed money from within MIT, Sadoway and his team inventedthe liquid metal battery or, more academically, a process called"Reversible Ambipolar Electrolysis."
http://www.greentechmedia.com/articles/read/bill-gates-and-total-invest-in-sadoways-liquid-metal-batteryin Batteries
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Narsi says 1 year ago
Energy Storage Industry Grows To Integrate Wind, Solar
Grid-scale energy storage is gaining momentum as batteries, flywheels and compressed air systems begin proving they can regulate frequency and ancillary services with the same efficiency of "spinning reserves" from fossil fuel-fired power plants.
"We still hear people say storage isn't ready for primetime, but that isn't the case because we already have 20-MW storage plants being built all over the country," said Brad Roberts, executive director of the Electricity Storage Association (ESA).
http://www.renewableenergyworld.com/rea/news/article/2011/08/energy-storage-industry-grows-to-integrate-wind-solarin Batteries
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Narsi says 1 year ago
21st-Century, Stable, Thermal Energy Storage
The "dawn of new idea" may be a clich that is appropriate to recent developments in photo chemical energy storage. Researchers at MIT have been working on ways to store the sun's energy in chemical bonds. These developments have been characterized as a "heat battery" or a "solar fuel." This development could very likely see another MIT spin-off in the energy storage business (like A123 systems).
The claim of a "game-changing" or "disruptive" technology should not be made lightly. Also, we should be reasonable in our expectations. Cell phones, personal computing and the Internet were certainly game-changing technologies, but they arrived on the scene in a virtual vacuum. As we begin to wake up to the advantages of energy storage, we find that the scene is also crowded with competing technologies. Heat energy storage is also as old as the Earth. The uniqueness of MIT's research becomes clear with a little background.
http://cleantechnica.com/2011/07/29/21st-century-stable-thermal-energy-storage/in Batteries
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Narsi says 1 year ago
Aquion Energy takes plunge into bulk grid storage
To make a cheap battery that stores wind and solar power, Aquion Energy is using the ingredients in salt and water.
A spinoff out of Carnegie Mellon, the start-up has raised $20 million of a planned $30 million funding round, according to a regulatory filing spotted by Earth2Tech. The company was originally funded with $5 million from the federal stimulus program by the Department of Energy and has added Kleiner Perkins Caufield & Byers as an investor.
Aquion Energy is developing a room-temperature sodium ion battery as an alternative to lithium ion and other batteries for grid storage. One of the advantages of sodium ion batteries is cost. Sodium, one of the ingredients in salt, is far more abundant than lithium. Aquion Energy's batteries use a water-based electrolyte, which is easier to work with and simplifies the manufacturing process.
Sodium sulfur batteries are one of the preferred technologies for storing wind and solar power or other grid applications. But sodium sulfur batteries run at high temperatures, making them less energy efficient and safe than ambient-temperature batteries. Lead acid batteries, meanwhile, result in the release of toxic lead.
http://news.cnet.com/8301-11128_3-20081944-54/aquion-energy-takes-plunge-into-bulk-grid-storage/in Batteries
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Narsi says 1 year ago
Fight Brewing Over Off-Grid Energy Storage, Says Lux
Battery, flywheel, ultracapacitor and fuel cell developers need to act now if they wish to tap the $4B market for off-grid applications, says Lux Research. Struggling to get their feet in the door of transportation and grid-tied markets, emerging electrical storage developers have begun eying off-grid opportunities as a way to attain scale and lower costs. But the off-grid market represents a rapidly closing window of opportunity for emerging storage - only developers who take immediate and intelligent action will capture a meaningful share of the market, according to a new report by Lux Research.
https://portal.luxresearchinc.com/research/report_excerpt/8208in Batteries
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Narsi says 1 year ago
Is it true that 100% (or close to 100%) of lead used in lead acid batteries is recycled? Is this true for every country?
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Narsi says 1 year ago
Mercedes and Li-ion batteries - Mercedes will be the first manufacturer to mass produce a hybrid vehicles with lithium ion batteries. - http://www.autobloggreen.com/2008/09/25/continental-starts-production-of-lithium-ion-batteries/
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Narsi says 1 year ago
Chemically Modified Graphene in Energy Storage Apps - Chemically modified graphenes with good electrical conductivity and very large surface areas, are extremely promising candidates for EDLC ultracapacitors. Our results applying these materials to ultracapacitors show they are compatible with commonly used electrolyte systems. In addition, these CMG materials are based on abundantly available graphite. Ultracapacitors based on these materials could have cost and performance that would accelerate adoption in a wide range of energy storage apps - http://jcwinnie.biz/wordpress/?p=3235
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