Nicad and ordinary battery
I have opened an ordinary battery to get the carbon rod and the black
powdery stuff around it stained my drawer. I had some nicads in there and I was wondering if the nicads would be affected? Some of the batteries did have some white stuff on the positive terminals, but this could be down to old age or misuse. Should I be concerned? |
Nicad and ordinary battery
I assume you mean it stained your desk drawer, and not your intimate
apparel. :) I probably tore open a hundred batteries as a kid for carbon rods, and haven't suffered any ill effects so far. Some of the things I did with those rods were a lot more hazardous though. Anyone remember the "build your own arc lamp" project from the 70s? Non-rechargeable batteries contain manganese oxide or potassium hydroxide, which are not particularly deadly, but you shouldn't let the kids play in them. If your other batteries are crusting over, it may be because they're old, and vapor is leaking out through the metal cases, which means it's time to dispose of them in a responsible manner. The case gets thinner over time and will eventually rupture. They're okay to use in a flashlight, but you don't want them bursting inside your favorite walkman. eswnl wrote: I have opened an ordinary battery to get the carbon rod and the black powdery stuff around it stained my drawer. I had some nicads in there and I was wondering if the nicads would be affected? Some of the batteries did have some white stuff on the positive terminals, but this could be down to old age or misuse. Should I be concerned? |
Nicad and ordinary battery
Yeah, some of the nicads in the drawer had some white stuff on the
positive caps, I just hope that the nicads leaked because they were OLD and not because of the slight manganese dioxide that might have been in contact with them. |
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