Will Future Electric Vehicles Be Powered by Deep-Sea Metals?
10th August 2021
Could materials mined from the deep sea be the answer? That’s what commercial mining firms and scientists are trying to determine this month during two separate expeditions to a remote part of the Pacific Ocean known as the Clarion-Clipperton Zone (CCZ). A potential treasure chest of metals waiting to be plucked is at stake: This region of water is the size of the continental US, and its floor is littered with potato-sized metallic nodules, each containing high concentrations of cobalt, nickel, copper, and manganese, which are used in EV batteries. (Lithium, another key component, is primarily mined from Australia.) These materials would all be harvested as minerals, then refined into metals that could be used in batteries, usually by adding an oxide. Of course, the trick is getting the nodules off the bottom, which is 12,000 to 18,000 feet deep, without killing the creatures that live there or the fish that swim above.