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Company Chapter – Toyota – Japan
Version: 2025-11-18, for paid subscribers
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This chapter covers Toyota's solid-state / semi-solid Li-ion battery product development efforts and corresponding patent portfolio:
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Semi-quantitative patent classification revealing focus on sulfide and oxide electrolytes, with 10 identified R&D concepts.
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Analysis of potential synergies between R&D concepts including sulfide manufacturing quality control, moisture-resistant coatings, and oxide bilayer architectures.
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Performance data including ionic conductivity metrics and mechanical property measurements from patent disclosures.
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Projections of potential sulfide and oxide cell configurations with plausible manufacturing process sequences.
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Document size: ≈8,100 words, 7 figures, 1 adjacent Excel file (list of patent families with AI-based summaries)
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