Lithium ion batteries do explode, off-gassing and pressure alone can do significant damage when contained. While typically closer to a thermite reaction, conditions determine damage which have been killing people from either heat or poisonous gas. I can point to state occuption work regulators that have a documented case of an explosion while plenty of deaths from battery fires can be found in the news.
I doubt the lab experience.
Lithium ion batteries do explode, off-gassing and pressure alone can do significant damage when contained. While typically closer to a thermite reaction, conditions determine damage which have been killing people from either heat or poisonous gas. I can point to state occuption work regulators that have a documented case of an explosion while plenty of deaths from battery fires can be found in the news.