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Old 02-16-2017, 02:37 PM   #1
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Default Lithium Titanate Battery

For folks who want the current high tech battery, that will operate -22f and 20,000 cycles. request the use of these type of batteries in your pack:

Lithium Batteries
Double the price of a standard lithium cell but will last many times longer and operate in very cold conditions.
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Old 02-16-2017, 03:54 PM   #2
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For folks who want the current high tech battery, that will operate -22f and 20,000 cycles. request the use of these type of batteries in your pack:

Lithium Batteries
Double the price of a standard lithium cell but will last many times longer and operate in very cold conditions.
Interesting, many of us have expected the shortcomings of the current lithium batteries to push the tech to something better, and this may be one of them. I am sure there is also more to come.
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Old 02-16-2017, 04:56 PM   #3
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Hundreds of universities around the world are in this battery race.
We can expect dramatic improvements, both in performance and price, to be announced on a regular basis.
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Old 02-16-2017, 05:12 PM   #4
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Lithium Titanate is actually a pretty old technology. In addition to their relative longevity, another big advantage is that they can accept very high charge currents.

However, in addition to cost, the big disadvantage is a pretty low specific energy (65Wh/kg)--much lower than LiFePO4..
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Old 02-18-2017, 07:27 PM   #5
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Hundreds of universities around the world are in this battery race.
We can expect dramatic improvements, both in performance and price, to be announced on a regular basis.
No question that this is the trajectory, but I think that there are some safety issues that will need to be concomitantly addressed. What are the black swan potential consequences of a battery in thermal runaway when it has the power density approaching a hand grenade?
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Old 02-18-2017, 08:19 PM   #6
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So much energy stored in one place.

Tesla Under Fire After Explosive Crash - NBC News
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Old 02-18-2017, 11:18 PM   #7
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Each and every one of the cells in their packs are indiviually fused.
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Old 02-19-2017, 01:13 AM   #8
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Each and every one of the cells in their packs are indiviually fused.
Did you read the link? Whatever the virtue of the fuses, they didn't much help here. The driver died from the impact of the collision itself. The passenger death was not from the collision impact. He apparently survived the initial impact but his death was the result of impact damage that made the lithium battery explode and set the vehicle afire.
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Old 02-19-2017, 12:26 PM   #9
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I'm fine with lithium since I don't plan to drink and drive into trees at high speeds. You can't really engineer safety to withstand drunk drivers.
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Old 02-19-2017, 08:00 PM   #10
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I'm fine with lithium since I don't plan to drink and drive into trees at high speeds. You can't really engineer safety to withstand drunk drivers.
I'm with you in support of lithium technology but not at the expense of denying the somber flip side: the controlled release of energy from very high density power sources has its obvious advantage, but if it becomes uncontrolled, for whatever the reason, you may have your whole day ruined.

Since smelling bad has to be preferred to smelling cooked, my next set of RV lithium batteries will include the grey water sprinkler option.
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