N
Nobody
Guest
On Sun, 14 Jun 2009 08:50:41 -0400, T.Keating wrote:
existing battery technology.
According to http://en.wikipedia.org/wiki/Energy_density
Storage type Energy density (MJ/kg)
battery, Lithium-manganese 0.83-1.01
battery, Lithium ion 0.46-0.72
battery, Lithium Sulphur 1.26
battery, Silver-oxide 0.47
coal, Bituminous 24
Methanol 19.7
Hydrazine 19.5
Liquid ammonia 18.6
Peat briquette 17.7
coal, Lignite 14.0
Yeah, but 5kWh/kg is ~18MJ/kg, which is an order of magnitude above any@5kWh per kg of battery weight. One needs less than 10 kg of lithium
per EV, which can easily be recycled when the vehicle is junked.
existing battery technology.
According to http://en.wikipedia.org/wiki/Energy_density
Storage type Energy density (MJ/kg)
battery, Lithium-manganese 0.83-1.01
battery, Lithium ion 0.46-0.72
battery, Lithium Sulphur 1.26
battery, Silver-oxide 0.47
coal, Bituminous 24
Methanol 19.7
Hydrazine 19.5
Liquid ammonia 18.6
Peat briquette 17.7
coal, Lignite 14.0