On Mon, 2002-09-23 at 23:45, David Roden (Akron OH USA) wrote: > Standard lead acid 25-30 Wh/kg > Advanced lead acid 30-36 Wh/kg > Standard nicad 25-40 Wh/kg > Advanced nicad 50-55 Wh/kg > NiMH 65-85 Wh/kg (Ovonics claims 90 for some) > Lithium Ion 100-150 Wh/kg (AES claims 120) > Lithium Polymer 150-200 Wh/kg (Electrovaya claims over 200)
So then why would they say that it has to get to 50Wh/kg for it to be viable for consumer EVs? It seems that 25-35 puts it equal with some of the technology, and the "refueling" feature seems to give it a leg up. Although, they never mention purchase/manufacture price, so if that is too high, then it has to compete with the capacities of the more expensive batteries. I wish battery technology advancements moved ahead at the same pace that computer technology does, instead of this "wait ten years for something to happen" pace. Lonnie
