Tesla – Lithium-ion storage is ready to power the grid

Re:Tesla – Lithium-ion storage is ready to power the grid by tw04 on Tuesday January 31, 2017 @04:12PM (#13535278)

Well, given we ship around semi-trucks full (ok not completely full due to the exact weight you describe) of lead-acid car batteries for recycling, it wouldn't be unthinkable. Li-on, I believe, is roughly 200% lighter for the same battery.

IE: http://www.powertechsystems.eu/home/tech-corner/lithium-ion-...

Not sure how that carries over to larger batteries as I've only really dealt with them for ATV type use.

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Re:Tesla – Lithium-ion storage is ready to power the grid by Rhinobird on Tuesday January 31, 2017 @04:49PM (#13535571)

Is 200% lighter half as heavy, or is it buoyant? Cause 100% lighter is weightless. So 200% would be a negative weight. I am just confused.

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Re:Tesla – Lithium-ion storage is ready to power the grid by andlier on Tuesday January 31, 2017 @05:10PM (#13535771)

You are correct, the link to powertechsystems.eu has those erroneous percentage calculations.

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Re:Tesla – Lithium-ion storage is ready to power the grid by Symmetry on Tuesday January 31, 2017 @05:02PM (#13535683)

The back of my envelope says that a shipping container full of Li-on batteries would weight 192.5 tons at 2.5 kg/L compared to the maximum standard load of 30.5 tons. So it would have to be mostly empty. I don't think that makes it infeasible, though.

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Re:Tesla – Lithium-ion storage is ready to power the grid by andlier on Tuesday January 31, 2017 @04:36PM (#13535480)

40kg for lead acid equals 13.6kg for lithium so that's 66% lighter.

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