I know it meets the technical definition of battery but I wish they would come up with different names for things like this. This feels more like energy conversion with some temporary storage characteristics than what I would call a “battery.”
I did a little bit of digging on this and if it looks like sand batteries are a subcategory of thermal batteries, which in their turn are part of what is called thermal energy storage . Wiki mentioned something that I found fascinating and that I totally didn’t know:
Thermal batteries are very common, and include such familiar items as a hot water bottle. Early examples of thermal batteries include stone and mud cooking stoves, rocks placed in fires, and kilns.
I know it meets the technical definition of battery but I wish they would come up with different names for things like this. This feels more like energy conversion with some temporary storage characteristics than what I would call a “battery.”
I did a little bit of digging on this and if it looks like sand batteries are a subcategory of thermal batteries, which in their turn are part of what is called thermal energy storage . Wiki mentioned something that I found fascinating and that I totally didn’t know:
Ah, so it’s gravity?
Nope, it’s heat.