That's wild... Frig I wish nothing like this ever happens to me.
Ohms law/ Battery danger info
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That's wild... Frig I wish nothing like this ever happens to me.
If it hasn't been made clear in this thread, it should be pointed out that while IMR batteries are "safer" than an ICR, lithium chemistry batteries have the potential to vent. When they are used outside of their ratings, when they are shorted, when they are dented, when they are not treated with care and respect.
If they get hot, they are damaged. This damage is not obvious. just once is enough. A damaged battery may take a charge. It may function. It may also expire unexpectedly. In a violent fashion.
When a lithium chemistry battery vents, it is not going to spew cotton candy. It will be hot gas, (best case, using an IMR), flames are possible with an ICR. Either type are capable of igniting a fire. burning you, your domicile, your car, etc, etc...
These risks are real.
Safe practices are a must. Since personal vaporizers are in their infancy, there is no large body of lawsuits or injury data to draw upon. Mechanical devices have no safeguards other than user impemented, safe practices based on knowledge and respect of the potential of the batteries.
This respect is lacking. Ignorance is rampant. Daily, advice is given on this forum regarding safe practices.
I use a fuse. Have a quality ohm meter, test and check my builds constantly. I use the highest quality batteries made, within their stated ratings (I also know and understand said ratings).
I am still not "safe". I am "safer" but still taking a risk (managed risk). The difference is I know the risks I am taking and try to manage them. Ignorance is a major liability but can be remedied by knowledge.
If they get hot, they are damaged. This damage is not obvious. just once is enough. A damaged battery may take a charge. It may function. It may also expire unexpectedly. In a violent fashion.
When a lithium chemistry battery vents, it is not going to spew cotton candy. It will be hot gas, (best case, using an IMR), flames are possible with an ICR. Either type are capable of igniting a fire. burning you, your domicile, your car, etc, etc...
These risks are real.
Safe practices are a must. Since personal vaporizers are in their infancy, there is no large body of lawsuits or injury data to draw upon. Mechanical devices have no safeguards other than user impemented, safe practices based on knowledge and respect of the potential of the batteries.
This respect is lacking. Ignorance is rampant. Daily, advice is given on this forum regarding safe practices.
I use a fuse. Have a quality ohm meter, test and check my builds constantly. I use the highest quality batteries made, within their stated ratings (I also know and understand said ratings).
I am still not "safe". I am "safer" but still taking a risk (managed risk). The difference is I know the risks I am taking and try to manage them. Ignorance is a major liability but can be remedied by knowledge.
Two thumbs up.
keep in mind that thermal runaway is a chemical reaction that cannot be stopped. it can be alleviated to limit temperature potential, but once that energy starts to release itself, it's going to keep going until it's all used up.
IIRC, a lithium/oxygen chemical reaction burns at about 2500°F. while this doesn't exactly state that a venting battery is going to burn at such temps, it's good to keep in mind that that's the potential energy we're dealing with as lithium battery technology is constantly evolving.
ADDIT: also, while one could potentially cool a venting cell with water to limit the potential for it to cause fire in surrounding objects, one must keep in mind that if you were to choose to do so, you'd have to keep a steady flow on the affected cell. water (by definition containing oxygen) and lithium create a violent reaction that will send hot particles shooting while still reacting.
IIRC, a lithium/oxygen chemical reaction burns at about 2500°F. while this doesn't exactly state that a venting battery is going to burn at such temps, it's good to keep in mind that that's the potential energy we're dealing with as lithium battery technology is constantly evolving.
ADDIT: also, while one could potentially cool a venting cell with water to limit the potential for it to cause fire in surrounding objects, one must keep in mind that if you were to choose to do so, you'd have to keep a steady flow on the affected cell. water (by definition containing oxygen) and lithium create a violent reaction that will send hot particles shooting while still reacting.
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