What happens to batteries that leak and no longer work?
https://www.researchgate.net/publication/265158823_Paper_No_...
> Further, the recycling of Li-ion battery materials potentially reduces the material production energy by as much as 50%. If battery active materials can be recycled in forms suitable for reuse with minimal processing, this percentage reduction could be even higher, as considerable energy is committed to making them from raw materials.
And fires?
https://electrek.co/2016/12/19/tesla-fire-powerpack-test-saf...
"Even at Tesla’s low wholesale price, a 500-cycle battery just doesn’t pencil out against the alternatives, especially once the inverter and other system costs are included. "
1. https://www.greentechmedia.com/articles/read/Tesla-Discontin...