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Sunday, January 09, 2011 3:21:42 PM
http://www.mineweb.com/mineweb/view/mineweb/en/page72102?oid=118084&sn=Detail&pid=504
This article talks about New lithium-vanadium phosphate battery.
JH: Where you have a problem with the batteries in the Volt or Leaf is with power production. They're lower-voltage batteries. They're around 3.2 or 3.3 volts, and they're what are called '10C' batteries. An amp hour-rated battery can kick out 10 amps or charge at 10 amps all day and night without overheating or becoming damaged. At 10 amps of current and 3.2 or 3.3 volts, you're looking at a 33-watt cell. That's a reasonable amount of power, but it's not outrageous.
If you look at a lithium-vanadium phosphate battery, it's a 4.2-volt cell, but the battery itself is a 50C battery. That means the same amp hour-rated battery can kick out 50 amps of current for as long as it lasts. The advantage here is that it's 50 amps of current times 4.2 volts. That's 210 watts of power as opposed to 33 watts.
You've got a lithium-ion battery in both cases, but because of the addition of vanadium to the cathode in that battery, you've got something that can produce more than six times the power. Obviously, power is important and the most important thing in a hybrid car application. It's important in terms of being able to charge the battery more quickly and get the driver back on to the road more quickly. But it's also important to power utilities. A lot of utilities are looking to use lithium batteries as a backup to some of their substations during peak periods. They want a battery that produces power inexpensively. Frankly, lithium-vanadium batteries at six times the power rating of some of their automotive cousins are a very inexpensive method of producing power.
What this means is instead of using a 33 watt per cell battery we will have 210 watt per cell battery. Just think what this will do with Hybrid cars, Cell phones, Laptop...etc That would mean 6.3 times the amount of power we have now in your standard battery. If you have a electric car that goes 40 miles on the charge, you would have 252 miles or if you have 2.5 hours of battery life on your laptop you would have 15.75 hours.
http://en.wikipedia.org/wiki/Vanadium
The element[vanadium] occurs naturally in about 65 different minerals and in fossil fuel deposits. It is produced in China and Russia from steel smelter slag; other countries produce it either from the flue dust of heavy oil, or as a byproduct of uranium mining
All I can say is if batteries can store more power at a very cheap method of producing we will see a lot of changes in this world.. Go KATX This is all my own opinion so take it as it is or isn't Thanks
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