Space mining is fun to speculate about, but surely it's going to be more practical to just reuse the Lithium we already have on earth? When we "use" Lithium in

Space mining is fun to speculate about, but surely it's going to be more practical to just reuse the Lithium we already have on earth? When we "use" Lithium in batteries, etc... we're just converting it to a less chemically convenient form - it's still the same element (barring nuclear processes).