Yinlong LTO battery safety tests

Did you do all these tests? If so, really nicely done.
 
Unfortunately no, it's not me:) It's an official Yinlong video. I'd be afraid of doing this in my flat:) It's kinda risky, cuz nobody knows would it explode or not:))))
 
But that shows you how stable LTO chemistry is. I wonder, with this being so stable, why are these not being used in more devices? The could even be used in conjunction with LiIon/LiFePo4 cells.
The safety factor of these cells is enormous compared with everything else out there. You can't even do that with Lead Acid cells!
 
thunderheart said:
Korishan said:
I wonder, with this being so stable, why are these not being used in more devices?
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The problem is in their density (Wh/kg, Wh/L).
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That may be so, I agree. They are a bit less storage density. However, they would equally replace Lead Acid's.
One thing I was thinking of was using them on conjunction with other types of cells. So, these could output huge amounts of current when needed, and also can take huge amounts in charging. Then use that power to charge the other type (if feasible to do this portion). They'd be great for acceleration purposes.
Under high, or heavy (weight wise, pulling a load), these would be better than standard Lithiums, even LiFePO4's. So they could be used when start moving. Then you'd not need as many of the other type once up to speed to go the distance.

That is, of course, if I'm not blatantly missing some sort of concept here :p
 
Korishan said:
However, they would equally replace Lead Acid's.
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You're right! They can and they do:) At least Toshiba does with it's SCiB SIP series of modules:
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Korishan said:
One thing I was thinking of was using them on conjunction with other types of cells.
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Never heard about such type of usage. I know that LTOs are mainly used in e-buses around the world (Japan, Malaysia, China, Russia) but those are pure LTO vehicles. I think conjunction would complicate the whole system that's why they avoid it.
 
LTO safety compared to LiPo, etc, is part of the reasoning I had as a major consideration for a large battery pack. Basically I will be sleeping on top of the battery packs (12kWh under the bed) when they are in the remote location setup (20ft container) I have and would never consider this with LiPo...

Energy density for powerwalls is near irrelevant unless it is partly portable and even then just treat it as a workout for your overall fitness and healt....

From my view, until solid state cells are manufactured in large quantity LTO seems to be a very good, if a little more expensive, option comparead to other lithium cells. Pricing, shipping and sourcing is a whole different ball game..
 
The more e-buses are manufactured, the less expensive LTO will be. I think LTO is still underrated and it should replace Li-ion/Li-Pol, especially in handheld devices for at least 3 reasons:
1. safety. Everybody heard about phones being exploded and hurt people. LTO won't
2. quick charge. Just imagine your smartphone being fully charged in 10 minutes!
3. cycle life. No more puffed batteries in 1-year-old phones which have lost >50% of their capacity.
 
thunderheart said:
3. cycle life. No more puffed batteries in 1-year-old phones which have lost >50% of their capacity.
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Apple won't like this. It won't make people buy a new iGadget :p
 
Unfortunately the lower energy density means it will never work for typical hand held consumer devices...

Works well for a bus where they can charge at bus stops via an overhead pantograph connection, other vehicles will still prefer higher energy density for range between charges.

Next up they should be used in trains, charge at the station and save on overhead lines along the whole rail network or partial overhead lines for charging on the go.

LTO will end up like lead-acid and replaced by solid state within 10 years. Good for now though and a lot of cells to enter the used market in the future for powerwall builders....
 
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