Grid energy storage
Batteries
Columns: Technology | Moving Parts | Room Temperature | Flammable | Toxic Materials | In production | Rare metals
flow | Yes | Yes | No | Yes | No | No | liquid metal | No | No | Yes | No | No | No | Sodium-Ion | No | No | Yes | No | No | No | Lead-Acid | No | Yes | No | Yes | Yes | No | Sodium-sulfur batteries | No | No | No | Yes | Yes | No | Ni-Cd | No | Yes | No | Yes | Yes | Yes | Lithium-ion | No | Yes | Yes | No | Yes | No