Just read about this manufacturing breakthrough that purports to cut in
half the cost of producing lithiun ion cells.
From what I understood, it allows the electrolyte layers to be thicker
and manufactured in a continuous roll and avoid drying times. I
especially like the $0.10/wh projection by the year 2020. At that cost,
lithium will be the best thing going by any metric for electricity
storage in boats.
My existing 5kwh pack cost just about $2500, including BMS and battery
packaging (straps, buss bars, etc). Others here have also said under
$0.50/wh is achievable. To bring the cell cost down to the $0.15-$0.20
at low-volume retail level would be just absolutely amazing. On a
per-usable-ah level, that is on par with wet-lead in price even
including a basic BMS, but still has all the volume and weight
advantages of lithium.
http://newsoffice.mit.edu/2015/manufacturing-lithium-ion-battery-half-cost-0623
--
Jason Taylor
--
S/V Fugu
1978 Beneteau First 30
Electroprop PM-20
Posted by: Jason Taylor <jt.yahoo@jtaylor.ca>
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