MidlandMikeI saw a documentary on Li-ION batteries. Under some circumstances the electrolite can start to crystalize, forming long chains that can bridge the gap, short out causing immediate discharge and run-away heat. They had a potential fix, but as I remember it would take quite a redesign change.
As I recall the Apollo program required a major redesign for safety.
Never too old to have a happy childhood!
BaltACD If we think a runaway diesel is bad - it doesn't hold a candle to a runaway battery, especially a battery big enough to power a locomotive.
If we think a runaway diesel is bad - it doesn't hold a candle to a runaway battery, especially a battery big enough to power a locomotive.
I'm quite aware of how intense a Li-ion fire can be, which why the comparison with an ECCS was only half in jest. With the chain reaction stopped by a scram, the reactor is still producing 6% of the power from decay heat.
Progress is being made, as laptop and cell phone battery fires were a problem back in the aughties. This is the main reason why the FAA limits laptop batteries to 100 watt-hrs.
If anyone has any questions about how bad a Li/ion battery fire could be in a locomotive just ask the city of Morris IL. They had what could have been considered the equivilent of one a couple years ago. 25 Tons of batteries going up at once. It took dumping concrete in powder to get it out and over a week before people could get home. Now just imagine that happening in say Chicago or LA and the fire spreads to other locomotives and or cars loaded with hazmat. Lord help the first responders and Legal for the Railroad better be on speed dial as they are going to be needed in a hurry.
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