Join Date: Aug 2004
Location: San Francisco Bay Area,California
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Originally Posted by Ceriman
Lithium is much more abundant and cheaper than nickel, and lithium batteries store 80 to 140 wh per kg, vs. 60 wh/kg for NiMH. Production costs and safety have been the main barriers to automotive use of lithium, but there have been major improvements in safety, and production is improving driving down costs.
Lithium Sulfur batteries, almost ready for market, store approx. 340 wh/kg. Experimental lithium air cells have exceeded 1,000 wh/kg and may reach 3,000 wh/kg!
Originally Posted by drash
Nickel Hydrogen batteries have been around much longer than NiMH batteries. They're being used on the space station as we speak. How do I know? I worked on them. I can imagine they've improved them. They have a lot in common with fuel cells. The old NiH batteries could do 44K full cycles before they gave out mechanically. They also have almost no internal resistance.
Originally Posted by TWQ83
They can Pop out a new and Improved battery to run a Train ............. Bottom line is ......It is "not cost effective" yet
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