this is funny:
"Really, they don’t know why Lithium Ion batteries caught fire when submerged in water? I’m pretty sure I remember from 10th grade high school chemistry that Lithium + Water = Fire, assuming the quantity of Lithium is great enough."
Don't Tread On Virginia, Jalopnik.com Updates: More Than A Dozen Fisker Karma Hybrids Caught Fire And Exploded In New Jersey Port After Sandy
i am guessing that that the lithium batteries are sealed and the lithium is not in elemental form, but what do i know. i do seem to recall that lithium batteries, if exposed to excessive heat/fire, will explode.