Tesla Buys Nearly 2 Billion Panasonic Cells

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TheBeastie
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Re: Tesla Buys Nearly 2 Billion Panasonic Cells

Post by TheBeastie » Nov 21, 2013 8:09 am

The thing I dont get with Tesla going Panasonic is that from the tests that a guy was doing here on ES the Jap cells were crap and the Korean LG/Samsung cells were heaps better.
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Re: Tesla Buys Nearly 2 Billion Panasonic Cells

Post by ricklearned » Nov 21, 2013 11:05 am

TheBeastie wrote:The thing I dont get with Tesla going Panasonic is that from the tests that a guy was doing here on ES the Jap cells were crap and the Korean LG/Samsung cells were heaps better.
Tesla has modified th chemistry and one can't make the same comparison with cells purchased in the market. Only the form factor is the same.
Last edited by ricklearned on Nov 26, 2013 1:56 am, edited 1 time in total.

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Re: Tesla Buys Nearly 2 Billion Panasonic Cells

Post by liveforphysics » Nov 21, 2013 4:12 pm

ricklearned wrote:
TheBeastie wrote:The thing I dont get with Tesla going Panasonic is that from the tests that a guy was doing here on ES the Jap cells were crap and the Korean LG/Samsung cells were heaps better.
Tesla has modified th chemistry and one can't make ths same comparison with cells purchased in the market. Only the form factor is the same.

The modern Panasonic NCA cells are as good or better than anything.
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Re: Tesla Buys Nearly 2 Billion Panasonic Cells

Post by ricklearned » Nov 29, 2014 11:07 pm

liveforphysics wrote: .........

The modern Panasonic NCA cells are as good or better than anything.
No doubt the Panasonics cells are good, but unless you are comparing them to cells out of a Tesla that statement has no value to me.

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Re: Tesla Buys Nearly 2 Billion Panasonic Cells

Post by liveforphysics » Nov 30, 2014 4:33 pm

TheBeastie wrote:The thing I dont get with Tesla going Panasonic is that from the tests that a guy was doing here on ES the Jap cells were crap and the Korean LG/Samsung cells were heaps better.

It took me 4 tries of just ordering Panasonic's older PD cells before I finally got legit ones. There are way more knock offs out there for sale than legit cells. Impossible to tell a well done fake from genuine from appearance.
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Re: Tesla Buys Nearly 2 Billion Panasonic Cells

Post by fechter » Nov 30, 2014 6:09 pm

I'd like to see them take like a billion of those cells and put them in series end to end in a large circle until the ends get close enough to arc. How far can 4.2 billion volts jump? :twisted:
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Re: Tesla Buys Nearly 2 Billion Panasonic Cells

Post by liveforphysics » Nov 30, 2014 6:19 pm

fechter wrote:I'd like to see them take like a billion of those cells and put them in series end to end in a large circle until the ends get close enough to arc. How far can 4.2 billion volts jump? :twisted:
Tesla said once you gain the potential to contact the ionosphere, you get your arc capable of reaching anywhere on the earth. I would assume 4.2BV would be more than adequate.
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Re: Tesla Buys Nearly 2 Billion Panasonic Cells

Post by Ykick » Nov 30, 2014 6:35 pm

liveforphysics wrote:
fechter wrote:I'd like to see them take like a billion of those cells and put them in series end to end in a large circle until the ends get close enough to arc. How far can 4.2 billion volts jump? :twisted:
Tesla said once you gain the potential to contact the ionosphere, you get your arc capable of reaching anywhere on the earth. I would assume 4.2BV would be more than adequate.
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Re: Tesla Buys Nearly 2 Billion Panasonic Cells

Post by nutnspecial » Mar 19, 2016 9:08 am

Thinking a little further, a single lightning bolt is thought possible to contain over 1 billion volts and several billion watts, although I'm pretty sure that must be a guess?

Here's some really informative facts and Q&A from a few sources:
http://www.aharfield.co.uk/lightning-pr ... -lightning
http://hyperphysics.phy-astr.gsu.edu/hb ... ning2.html
http://www.nssl.noaa.gov/education/svrw ... tning/faq/

Also some wild documentation-
https://www.youtube.com/watch?v=RfgkFyEWQaY
https://www.youtube.com/watch?v=Wi6kIpqmuak
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Re: Tesla Buys Nearly 2 Billion Panasonic Cells

Post by Punx0r » Mar 21, 2016 11:59 am

fechter wrote:I'd like to see them take like a billion of those cells and put them in series end to end in a large circle until the ends get close enough to arc. How far can 4.2 billion volts jump? :twisted:
The dielectric strength of air is 3.0MV/m so 4.2GV could jump a gap of 1400m (nearly a mile).

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