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Batteries for private photovoltaic systems - Solar Energy

Batteries for private photovoltaic systems - Solar Energy | Sustainable Energy | Scoop.it
Market analysts expect a tenfold increase in the market for small solar power storage systems over the next three years. In the same period, they expect the hurdles preventing the integration of power storage into private photovoltaic systems to be overcome.
Hans De Keulenaer's insight:

Batteries of electric vehicles and plug-in hybrids might have a second life as home storage systems, where the requirements are less. A battery operating at 75% capacity is no longer usable for transport, but perfectly suitable for stationary use.


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EV Battery Innovation and General Electric

EV Battery Innovation and General Electric | Sustainable Energy | Scoop.it

We were just fooling around with the notion that new fuel cell technology could shake up the electric vehicle market, when here comes GE with another alternative: a flow battery that combines with a fuel cell to push EV range up to the Department of Energy’s goal of 240 miles, and even farther. The official rated range of Tesla Motors’ highly regarded but highly costly Model S is already 265 miles on a lithium-ion battery pack, so the big factor here is going to be affordability. With that in mind let’s take a look at that GE flow battery and see what’s doing.

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Rechargeable flow batteries could be cheaper solution to renewable energy storage

Rechargeable flow batteries could be cheaper solution to renewable energy storage | Sustainable Energy | Scoop.it

Researchers at MIT have developed a battery that could bring us reliable and cheap large scale energy storage. Based on flow battery technology, the researchers took out the costly membrane and created a battery that has a power density that is an order of magnitude higher than lithium-ion batteries and three times greater than other membrane-less systems.

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eric roberts's curator insight, September 2, 2013 9:30 AM


There are many Universities now developing new types of batteries ?

Multiple-Electron Aqueous Battery

The University of Maryland UMD has just secured $32 million for research into to develop  electric vehicles (EV) energy storage systems using innovative chemistries, architectures and designs.

The short distances that are covered by using the Lithium-Ion batteries are

causing some concern in the auto industry and governments and car makers are looking for better ideas and products that will be safer, lower cost and more reliable than the Lithium-Ion batteries that are now in use.

This has brought together the Army research Laboratory aka(ARL) and the UMD to create a new type of battery.

This new type of battery is expected to be with twice the cell voltage and capacity, this would cut the cost in half compared to the lithium-Ion battery.

The new battery would enable an electric vehicle to twice the length of the charge. if the new batteries development is a successful, then the EV is expected to drive up to 300 miles on a single charging. This would be a great improvement on the Lithium-Ion batteries that are used by some companies at present.

In my opinion, for what it's worth, we will one day discover the "magic battery", that will cut down our reliability on gasoline burning engines and will truly make for a better driving experience, without having to rely on fossil fuels, I think we are slowly getting there and whether this new development will be the answer or not, only time will tell.

Thanks... Eric Roberts www.batteriesontheweb.co.uk





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The Resurgence of Liquid Air for Energy Storage

The Resurgence of Liquid Air for Energy Storage | Sustainable Energy | Scoop.it

Some engineers are dusting off an old idea for storing energy—using electricity to liquefy air by cooling it down to nearly 200 °C below zero. When power is needed, the liquefied air is allowed to warm up and expand to drive a steam turbine and generator.

The concept is being evaluated by a handful of companies that produce liquefied nitrogen as a way to store energy from intermittent renewable energy sources. Liquefied air might also be used to drive pistons in the engines of low-emission vehicles.

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Smart Grid and Energy Storage Installations Rising Worldwide

Smart Grid and Energy Storage Installations Rising Worldwide | Sustainable Energy | Scoop.it
New Vital Signs Online describes growth of smart grid and energy storage infrastructure. (RT @wendykoch: Smart grid tech got a 7% global investment boost last year but dipped 19% in US, reports Worldwatch Institute.

Via Joan Tarruell, Stephane Bilodeau
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Laurence Serfaty's comment, March 3, 2013 8:28 AM
;)
Norm Miller's comment, March 3, 2013 1:52 PM
For smart grids to really work we need ways to store energy more efficiently, i.e. better batteries. When will large scale better batteries become available? What's on the horizon for energy storage?
Joan Tarruell's comment, March 3, 2013 2:34 PM
Another possibility is to use the energy generated by instantaneous sources (wind, sun, waves) before origins occurring storable (gas, coal, water reservoirs, etc.)
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Another chapter in a very long EEStory

Another chapter in a very long EEStory | Sustainable Energy | Scoop.it

So what’s going on here? As someone who has followed this company closely for eight years, it’s still difficult to say. What’s clear is that EEStor is the story that refuses to die, and given the company’s ambitious goals, that’s could be viewed as a good thing.

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Can Demand Response Help Us Achieve 100% Renewable Energy?

Can Demand Response Help Us Achieve 100% Renewable Energy? | Sustainable Energy | Scoop.it
If renewable energy coupled with energy storage technology & standby fossil fuels created a 99% renewable grid, would demand responde make up that extra 1%?
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Fuel Cell Powered Vehicle Ferry to be Developed in Scotland

Fuel Cell Powered Vehicle Ferry to be Developed in Scotland | Sustainable Energy | Scoop.it
SHFCA member Caledonian Marine Assets Ltd (CMAL) is working closely with Scotland’s main ferry operator to develop the world’s first car and vehicle ferry powered by hydrogen fuel cells. This revolutionary vessel would produce no exhaust fumes and could run on ‘green’ hydrogen produced using renewable electricity generated overnight from local wind farms or other renewables.
Via Claudine Sauval
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Utility Dominion Buys Big into Fuel Cells

Stationary fuel cells have been steady performers for years delivering electricity at office parks, supermarkets, or wastewater treatment plants. But utilities, for the most part, have stayed clear of fuel cells.

Richmond, Virginia-based Dominion today said it will own and operate a 14.9-megawatt fuel cell power generation station in Bridgeport, Connecticut. Supplier FuelCell Energy claims it will the first publicly-traded utility in North America to use fuel cells for distributed power generation into the grid.
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Wind, solar power paired with storage could be cost-effective way to power grid

Wind, solar power paired with storage could be cost-effective way to power grid | Sustainable Energy | Scoop.it
(Phys.org)—Renewable energy could fully power a large electric grid 99.9 percent of the time by 2030 at costs comparable to today's electricity expenses, according to new research by the University of Delaware and Delaware Technical Community...

Via SustainOurEarth
Hans De Keulenaer's insight:

Participatipn of the demand side to balancing through overcapacity of energy processes proves more cost effective than energy storage.

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Le stockage de l’électricité d’origine renouvelable : Un enjeu qui peut être résolu par les STEP en bordure de mer - Techniques de l'Ingénieur

Le stockage de l’électricité d’origine renouvelable : Un enjeu qui peut être résolu par les STEP en bordure de mer - Techniques de l'Ingénieur | Sustainable Energy | Scoop.it
Le stockage de l’électricité d’origine renouvelable : Un enjeu qui peut être résolu par les STEP en bordure de mer - COMPRENDRE - Energie,stockage,électricité...
Via Hubert MESSMER @Zehub on Twitter
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Thierry Curty's comment, November 29, 2012 4:52 AM
Rien d'extraordinaire, c'est valide partout où il y a de l'eau. Des propositions ont par exemple été faites il y a des décennies pour pomper l'eau du Lac Léman en périodes creuses vers de grands bassins naturels situés dans des cuvettes dans les montagnes au-dessus et on turbinerait en périodes pleines.

Il y a aussi tout simplement la possibilité d'exploiter les barrages existants. Jusqu'à présent, on se contentait de remplir les barrages et de turbiner. Mais aujourd'hui, on pourrait utiliser les énergies alternatives pour récupérer l'eau en contrebas pour reremplir le barrage en périodes creuses.

C'est l'évidence même, ça nécessite très peu d'investissements, c'est très simple et très facile et en plus, bien utilisé, ça peut servir à gérer les inondations, de plus en plus fréquentes avec les changements climatiques.

Pour réaliser tout ça, on va construire ou aménager d'immenses bassins...qui pourraient servir à recueillir l'eau des inondations, de sorte qu'on les remplirait alors sans même avoir besoin d'énergie. Même surélevés, on pourrait utiliser des béliers hydrauliques ou même tout simplement l'inertie hydraulique.
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Advances in Lithium-Ion Batteries Will Make Electric Vehicles Competitive, But It Will Take a Decade | MIT Technology Review

Advances in Lithium-Ion Batteries Will Make Electric Vehicles Competitive, But It Will Take a Decade | MIT Technology Review | Sustainable Energy | Scoop.it
It will likely take a decade, but improvements to lithium-ion batteries could lead to much cheaper EVs.
Via Sass Peress
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AT&T Invests in More Bloom Energy Fuel Cells

One major advantage of renewable energy is access to a reliable supply of power at a more predictable price than conventional grid-supplied electricity. That’s especially important to tech companies like AT&T, which has just announced that it is expanding its use of fuel cells to power 28 data centers and other facilities in California and Connecticut.

The fuel cells, provided by Bloom Energy, will insulate AT&T’s facilities from grid-supplied electricity price spikes as well as brownouts, blackouts and other grid disruptions. Though fuel cells don’t necessarily count as renewable energy, in this case they will take a big chunk off the carbon footprint of AT&T’s California facilities, and that’s a good start.
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Stanford scientists calculate the energy required to store wind and solar power on the grid

Stanford scientists calculate the energy required to store wind and solar power on the grid | Sustainable Energy | Scoop.it
The energetic efficiency of grid-scale batteries is adequate for storing solar energy but not for wind, a Stanford study finds.
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Sensors Could Make Electric-Car Batteries Smaller and Cheaper

Sensors Could Make Electric-Car Batteries Smaller and Cheaper | Sustainable Energy | Scoop.it

Electric-vehicle battery packs could shrink 20 to 30 percent, and make electric vehicles more affordable, if new sensors were developed to monitor the cells in a pack, according to the U.S. government’s Advanced Research Projects Agency for Energy (ARPA-E). The agency says such sensors could have an even greater effect on hybrid gas-electric vehicle batteries, causing them to shrink by half.

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Difficulties With Community Energy Storage Projects

Difficulties With Community Energy Storage Projects | Sustainable Energy | Scoop.it

Two years ago, AEP Ohio kicked off one of the largest community energy storage projects in the nation, funded in part by the U.S. Department of Energy. The pilot, however, did not go very far.

“The initial battery implementations associated with the Community Energy Storage (CES) project did not perform to AEP and S&C’s stringent standards, which prompted redesign of the battery systems,” AEP said in a statement. “Unfortunately, those necessary improvements were not completed in time to resume the full-scale program before the December 2013 end date of the AEPOhio gridSMART Demonstration Project.”

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Battery Could Provide a Cheap Way to Store Solar Power

Battery Could Provide a Cheap Way to Store Solar Power | Sustainable Energy | Scoop.it

There’s a promising new entry in the race to build cheap batteries for storing energy from solar panels and wind turbines. Stanford researchers led by Yi Cui, a professor of materials science and engineering, have demonstrated a partially liquid battery made of inexpensive lithium and sulfur. Cui says the battery will be easy to make and will last for thousands of charging cycles.

Cui believes that the material and manufacturing costs of the battery might be low enough to meet the Department of Energy’s goal of $100 per kilowatt-hour of storage capacity, which the DOE estimates will make the technology economically attractive to utilities. Existing batteries can cost hundreds of dollars per kilowatt-hour of capacity, although several companies are working to commercialize cheaper ones (see “Ambri’s Better Battery” and “Battery to Take On Diesel and Natural Gas”).

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Only use gas for back-up power finds report

Only use gas for back-up power finds report | Sustainable Energy | Scoop.it

Gas plants should only be used as back up for renewable energy in future while the UK should put in place a 2030 decarbonisation target in the imminent Energy Bill.

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Solid Electrolyte Enables Higher Energy Lithium-ion Batteries and Prevents Fires

Solid Electrolyte Enables Higher Energy Lithium-ion Batteries and Prevents Fires | Sustainable Energy | Scoop.it

While the cause of the Boeing fire hasn’t yet been determined, Boeing could have reduced the risk of fire by choosing a safer electrode chemistry (see “Grounded Boeing 787 Dreamliners Use Batteries Prone to Overheating”). But it would have had fewer options for the electrolyte—the material that allows current to flow through a battery. Lithium-ion batteries, even the ones that use relatively safe electrodes, still use flammable liquid electrolytes.


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The hot tips for 2013 – energy storage and big solar

The hot tips for 2013 – energy storage and big solar | Sustainable Energy | Scoop.it
We asked some of Australia's top energy industry executives and experts for their tips and predictions on what 2013 will hold. Here's what they had too say...

Via Stephane Bilodeau
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Stephane Bilodeau's curator insight, December 18, 2012 9:12 PM

“Watch solar thermal for a vision of what is likely to become the more dominant technology five to 10 years from now,” said one executive. There is certainly much interest – internationally, many countries are throwing billions at the technology, and it is thought that ARENA and/or the CEFC may finally find a way to make it work here too.


Battery storage was another popular choice. Many hinted at their own plans to introduce storage technologies at the commercial, industrial, and residential level. As one said: Everyone seems to think you need a lot of storage to make a difference, but this is not necessarily the case. Many households now use less than 5 kWh per day, so even 1-2 kWh of storage could allow them to manage a large proportion of their peak demand.”

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Warm in winter, thanks to summer heat

Warm in winter, thanks to summer heat | Sustainable Energy | Scoop.it
A whiff of science fiction surrounds the entire idea: storing excess summer heat deep in the earth, only to retrieve it in the cold of winter. But researchers in Zurich have developed a revolutionary system that does just that.
Via Diedert Debusscher
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Electric heaters – a way of storing excess renewable power? - 100% renewable - Renewables International

Electric heaters – a way of storing excess renewable power? - 100% renewable - Renewables International | Sustainable Energy | Scoop.it
Germany apparently still has 1.4 million electric heaters spread across roughly 40 million households, putting the percentage of electric heating at around 3.5 percent. Nonetheless, RWE estimates that these electric heaters could add the equivalent of around 10 gigawatts of pumped storage – equivalent to an eighth of peak German power capacity and a sixth of peak demand on a normal workday.
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Power Systems of the Future SmartGrid IEEE

Research commissioned by IEEE and conducted by Zpryme details how energy storage, distributed generation and microgrid technologies will evolve globally over the next five years due to rapid smart grid deployment.

 

 


Via Joan Tarruell
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George Osborne: make UK a world leader in energy storage

George Osborne: make UK a world leader in energy storage | Sustainable Energy | Scoop.it
Chancellor George Osborne has said the UK must take a global lead in developing a series of low carbon technologies, including energy efficient computing and energy storage, in his first major speech on scientific issues.
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New Compressed Air Energy Storage System Could Deliver Double ...

New Compressed Air Energy Storage System Could Deliver Double ... | Sustainable Energy | Scoop.it

The technology is the brainchild of founder Danielle Fong, who initially wanted to use compressed air to power scooters, but has since turned her attention to a larger order of storage: grid-scale.


While compressed air storage isn't a new invention, by any means, Fong's innovations greatly improved the efficiency of this type of system, which has been hampered by efficiency losses of up to 50%. Fong's improved version uses a mist of water sprayed into the air storage tanks, which acts to absorb and store the heat generated from the compression (and release it on expansion), allowing the LightSail system to achieve a 90% thermodynamic efficiency in the process, and a 70% overall round-trip efficiency.

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