Toshiba LTO SCiB

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Richo
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Toshiba LTO SCiB

Post by Richo » Sat, 20 Jan 2018, 15:42

Well finally some of the Toshiba's SCiB Lithium Titanate batteries are hitting the open market.
Here is the link to Toshiba's spec on the cell.
http://www.scib.jp/en/product/cell.htm
The ones that seem available are the high power 2.9Ah 2.4V cells.
They claim testing at 10C charge and 10C discharge continuous with over 40,000 cycles.
A peak current of 200A puts this in at 65C :o

As a handy feature it has screw terminals and standardised bus bars.
So no messing about with manky pouch cell tabs! :P

They seem to be priced around the $12 mark in one-off's.
So this is about Double the price of headways/Wh
But given the higher fill factor with the SCiB and higher peak currents could be worth it in some applications.
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Re: Toshiba LTO SCiB

Post by jonescg » Sat, 20 Jan 2018, 21:53

Been following these for a while now - great to see they've hit the market.
Interesting cell architecture too - looks an awful lot like the cells used in the BMW i8
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Richo
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Re: Toshiba LTO SCiB

Post by Richo » Mon, 22 Jan 2018, 12:42

Richo wrote:
Sat, 20 Jan 2018, 15:42
A peak current of 200A puts this in at 65C :o
Claimed peak power is 420W which means peak power is at 60C.
So a 2kWh($3,500/44kg) pack would have 120kW peak.
And with normal use 40,000 cycles...

:idea: All they have to do now is make the internal battery structure last 100 years.(shelf life)

Nice vid.
I like how they use a blow torch on the batteries at every chance. :twisted:
And stick the batteries together with double sided tape.
Even the robot picks the batteries out of the box slowly. :lol:
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Re: Toshiba LTO SCiB

Post by coulomb » Mon, 22 Jan 2018, 20:11

Richo wrote:
Mon, 22 Jan 2018, 12:42
Nice vid.
Agreed.
I like how they use a blow torch on the batteries at every chance. :twisted:
I thought that was plasma for roughening the surface, so the adhesive sticks better. But I didn't look closely.
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Re: Toshiba LTO SCiB

Post by Richo » Tue, 23 Jan 2018, 12:33

coulomb wrote:
Mon, 22 Jan 2018, 20:11
I thought that was plasma for roughening the surface
You're probably right - I've never seen anything exactly like that.

The start of the vid shows samsung as the battery supplier so they wont be Toshiba or possible even LTO's.
They look similar tho.
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Re: Toshiba LTO SCiB

Post by jonescg » Sat, 10 Mar 2018, 10:21

Just read that BMW uses Samsung SDI to make their prismatic cells for the i3.
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