As electric vehicles roll off assembly lines, a bottleneck sits upstream: lithium refinement. Turning raw lithium into the compounds needed for batteries is expensive, messy, and energy-intensive, but Mangrove Lithium, a Vancouver-based startup, has a better way. The company has developed an electrochemical refining process that converts lithium feedstocks into battery-grade lithium hydroxide.
Converting raw lithium to lithium hydroxide typically requires roasting spodumene—a mineral from which lithium…

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