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    Captura–ElectraLith lithium partnership: process and cost lens for mine planners

    August 19, 2026|

    Reviewed by Joe Ashwell

    Captura–ElectraLith lithium partnership: process and cost lens for mine planners

    First reported on MINING.com

    30 Second Briefing

    Captura and ElectraLith are integrating Captura’s bipolar membrane electrodialysis (BMED) stacks with ElectraLith’s direct lithium extraction and refining (DLE-R) system in two commercial-scale pilot plants targeting US lithium supply. The DLE-R process is designed to treat multiple brine resources and produce battery-grade lithium hydroxide or carbonate at purities above 99.5%, while BMED aims to cut energy use and capital cost in electrochemical separation. Captura will supply BMED stacks to ElectraLith for at least five years, with pilot commissioning planned for early 2027 to test combined performance at near-commercial scale.

    Technical Brief

    • Captura’s proprietary bipolar membrane electrodialysis platform is configured to both separate and chemically convert brine constituents.
    • The BMED design focus is reduced specific energy consumption and lower installed capital for electrochemical separation trains.
    • DLE-R is specified to handle multiple brine chemistries, targeting direct production of lithium hydroxide or carbonate.
    • Battery-grade product specification is stated at >99.5% purity for both lithium hydroxide and lithium carbonate outputs.
    • Captura and ElectraLith frame the combined system as a differentiated, proprietary membrane-based route for lithium refining.
    • The supply agreement commits Captura to provide BMED stacks to ElectraLith over an initial five-year term.
    • Early 2027 commissioning is intended as a first test of continuous, near-commercial operation of the integrated flowsheet.

    Our Take

    Battery-grade lithium hydroxide or carbonate at >99.5% purity positions ElectraLith’s process at the high end of quality seen in our lithium coverage, which is important for direct qualification into US and EU OEM supply chains that are tightening impurity specs for high‑nickel cathodes.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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