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Solid-state / Semi-solid Li-ion Battery Innovation & Patent Review

  • Company Chapter – Ganfeng Lithium – China

    Version: 2026-08-05, for paid subscribers
  • Technology Assessment: Can a lithium-alloy anode, rather than the pure lithium metal the field favors, carry a hybrid architecture to the highest energy densities? The chapter examines how that choice positions against stack-pressure and interface constraints, how an injected electrolyte component weighs a substantial performance opportunity against scale-up flexibility, and how public statements align with what the patent portfolio reveals about development priorities across two parallel tracks.
    Product Development Pathway
    (5 R&D Concepts)
    Aqueous spray-dried spherical garnet for scalable oxide-electrolyte manufacturing, yielding free-flowing single-phase particles across dopant chemistries without the hard agglomeration of conventional drying routes. Rapidly synthesized oxyhalide electrolyte formed through a short, lower-temperature route addressing the halide trade-off between oxidative stability and ionic conductivity. Further concepts address membrane-level reconciliation of thermal stability with ambient ionic conductivity, surface protection of alloy foils against dendrite growth and ambient degradation, and a multilayer separator architecture whose layers are formed in a single process step, intended to restore electrical isolation after mechanical puncture.
    Key Synergies
    A multilayer separator architecture acts as the hub the other electrolyte concepts feed into, while the protected alloy foil supplies the anode – a vertically integrated material-to-cell pathway aligning ionic conductivity, safety and processing for full-cell qualification.
  • Document size: ≈5,400 words, 8 images, 1 adjacent Excel file (list of patent families with AI-based summaries)


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