Altair Nanotechnologies, Inc. (Nasdaq: ALTI), a leading manufacturer of lithium-titanate battery and energy storage products, announced today that it completed the manufacturing of battery packs to be used in a two (2) megawatt energy storage system ordered by the AES Corporation (NYSE: AES). The $1 million purchase initiated by AES was previously announced in August 2007. Altairnano expects the system to be connected to the grid and tested during the first quarter of 2008. . . . more
It seems fairly hard to find any technical information about this product. The most I could dig up was the following:
They claim substantially higher power density than standard Li ion batteries (several times), but at about half the energy storage density. It looks like they are targeting the space between current batteries, and ultracapacitors. Their sweet spot is battery discharge/charge times of a few minutes.
Assuming this is a power utility application, it would be used to balance out short term (a few minutes duration) power swings.
Posted by: bigTom | January 04, 2008 at 10:08 PM
The price is excellent - $500/kw
At that rate it might even be viable for longer duration storage of a few hours, I would have thought - very useful for intermittancy.
Posted by: DaveMart | January 05, 2008 at 05:48 AM
@bigTom
Spot on. The NanoSafe chemistry is supposedly good to 10,000 cycles (at which point it still has 80% capacity) which means it could be fully charged and discharged once a day for rougly 27 years. Avoiding deep cycles would extend its life even longer than that. For fun:
Let's take the first scenario, 1 cycle/day, and assume that AES has variable rates for electricity (e.g. $.05/kWh off peak, $.20kWh peak).
Daily profit: 2,000kWh($.20kWh-$.05/kWh)=$300
Annual profit: $109,500 (~10% return, right between the ROA and ROE according to Yahoo Finance)
Life profit (27 years): $2,956,500
Start fiddling with higher peak rates and more daily cycles and the fiscal proposition starts to look pretty good. AES will probably be able to save money by running its generators more efficiently (won't have to throttle its coal fired plants as often, won't have to fire up diesel backups as often) and there are probably also fiscal incentives to having a more stable grid.
@DaveMart
The price is excellent, but one has to consider that Altair might not be recouping its expenses in building (not even developing)such a battery.
Posted by: GreenPlease | January 07, 2008 at 06:40 PM
The press release says that the system is a 2 megawatt system, not 2 megawatt-hours. If this were really a 2MWh system, then it would be an impressive achievement, as $500/MWh cost-competitive. However, nothing in the release gives the MWh number.
Posted by: Swimdad623 | January 07, 2008 at 10:01 PM
I'm not sure what else it can be, other than 2 MWhours.
I understand the distinction, I think, but am not sure it is apposite.
Posted by: DaveMart | January 08, 2008 at 01:32 PM
Actually, it can be 2 megawatts. Watts measure power, while watt-hours measure energy. If the battery system delivered can deliver power at 2MW, but runs out of charge in 10 minutes, then it only holds 333KWh of energy. If that's the case, then the cost comes in at $3000/KWh, which is a lot higher than other battery technologies.
Posted by: Swimdad623 | January 09, 2008 at 10:37 PM
Nice article. Have you done any more?
Posted by: Sealed Battery Supplier | March 17, 2010 at 12:06 PM
Are these battery packs being used at present?
Posted by: parking sensor system | December 06, 2011 at 08:10 PM
Is Altair still doing well? It seems like they were moving on an upward path.
Posted by: Rug Cleaning Los Angeles | December 08, 2011 at 06:46 PM
1 million for how many of these packs?
Posted by: SEO Services | December 08, 2011 at 07:00 PM
How did the testing go, is it all good to go now?
Posted by: Tours in Venice | December 09, 2011 at 06:33 PM
Good that they're doing this!
Posted by: furniture stores los angeles | December 23, 2011 at 02:13 PM
Altairnano seems like a good company, I think I've heard of them.
Posted by: Air Purifier | December 28, 2011 at 02:38 PM