One of the primary arguments that I hear for them is how much safer they are than Lithium Ion batteries. Being able to explode (even if this is actually unlikel

One of the primary arguments that I hear for them is how much safer they are than Lithium Ion batteries. Being able to explode (even if this is actually unlikely) greatly weakens that purported advantage. (I do not believe this will actually be a primary impediment to adoption of either Lithium Ion or Super Capacitors)