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

• Company Chapter – ION Storage Systems – USA

  Version: 2026-09-18, for paid subscribers
• Technology Assessment: ION ships a rated anode-free lithium-metal cell that needs no compression fixture – built on a co-sintered garnet bilayer whose porous half hosts the anode. The chapter examines how near-term high-value applications and a planned move toward component supply and licensing relate to volume markets, why compressing a high-temperature sintering step into an in-line process remains the central scale-up question, and how the patent portfolio's scope compares with public positioning.
  Product Development Pathway
  (4 R&D Concepts)

  Multi-site garnet doping that stabilizes the cubic phase at reduced processing temperature, allowing a single electrolyte composition to co-sinter into a porous–dense bilayer without relying on a sacrificial lithium source during firing. Solvent-free green-body processing with a light-curable binder system, avoiding a protonated impurity phase that otherwise lowers green density and drives larger, less predictable shrinkage when two layers of differing porosity are fired together. Further concepts address internal pressure build-up as lithium is plated into the porous anode host without external stack pressure, and lithium retention and consumable reuse during high-temperature firing of the bilayer.
  Key Synergies

  Electrolyte composition, green-body processing and firing equipment converging on a single co-fired porous–dense architecture – parallel de-risking of bilayer film quality, composition control and the plated-lithium interface for pressure-free cell launches.
• Document size: ≈4,500 words, 6 images, 1 adjacent Excel file (list of patent families with AI-based summaries)

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