While attempting a home-charge of a set of NiCd batteries, they were left unattended and consequently exploded (relatively high current was flowing through them). The basement area in which the explosion took place is currently being ventilated overnight.
Does anyone have any recommendations for further safety precautions or clean-up procedures?
Thanks
How much of an explosion? If the battery completely disintegrated, you have metallic cadmium and cadmium hydroxide sprinkled around the place, and possibly also compounds of cobalt and other fairly nasty stuff. If it just vented without totally rupturing, there probably isn't much toxic material around. Take a look at the recommended cleanup procedure here - if you have a shop vac with HEPA, use it.
Warning: The cadmium electrode is pyrophoric (may ignite spontaneously in air). If the battery is ruptured, it is an ongoing fire hazard; it may ignite by itself.
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