Sustainable use of rocks and minerals:The supply of rocks and minerals that are used as building materials and for idustrial production is finite. Sustainable use means use that meets the needs of the present without affecting the ability of future generations to meet their needs.
Efficiency of extraction:hat is, the percentage of solute that moves from one phase to the other—is determined by the equilibrium constant for the solute's partitioning between the phases and any other side reactions that involve the solute.
Efficiency of use and recycling:a recycling process is the ratio obtained by dividing the mass of output fractions by the mass of the input fractions, expressed as a percentage. The input fractions are the components of the battery that enter the recycling process.
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