There probably isn’t a way around removing the battery, after more thought.
Eventually, unless the battery is properly managed, gas buildup may eventually win and turn it into a forbidden pillow. Controlled battery destruction/ventilation sounds like a fun, but lengthy science project for this problem, IMHO. Gasses need to escape the battery, but phone shouldn’t go boom in the process. Deep discharge + adding vent holes after may work in some way.
Lithium batteries mainly explode and cause fires mostly because of any stored energy and gas buildup that deformes the battery causing a short circuit and thus, fire, to my knowledge. The lithium isn’t as reactive with water because it isn’t pure lithium? My knowledge is extremely limited on keeping lithium from exploding. (I think I remember videos of lithium batteries being unrolled that still explode in water, charge or not.)
You’ve mentioned the battery being an issue for resin.
I would like to mention if you decide to get a new phone and use this one as art, you still need to remove the battery
Source: have had more than one phone with a busted casing due to a swollen battery
There probably isn’t a way around removing the battery, after more thought.
Eventually, unless the battery is properly managed, gas buildup may eventually win and turn it into a forbidden pillow. Controlled battery destruction/ventilation sounds like a fun, but lengthy science project for this problem, IMHO. Gasses need to escape the battery, but phone shouldn’t go boom in the process. Deep discharge + adding vent holes after may work in some way.
Lithium batteries mainly explode and cause fires mostly because of any stored energy and gas buildup that deformes the battery causing a short circuit and thus, fire, to my knowledge. The lithium isn’t as reactive with water because it isn’t pure lithium? My knowledge is extremely limited on keeping lithium from exploding. (I think I remember videos of lithium batteries being unrolled that still explode in water, charge or not.)