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Company Chapter – Panasonic – Japan
Version: 2025-11-18, for paid subscribers
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This chapter covers Panasonic'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 halide/oxyhalide and sulfide electrolytes,
with 10 identified R&D concepts across two technology stacks.
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Analysis of potential synergies between R&D concepts including halide gradient architectures
and sulfide/halide hybrid approaches.
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Performance data including ionic conductivity metrics and thermal stability
measurements from patent disclosures.
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Projections of potential halide and sulfide/halide cell configurations with plausible
manufacturing process sequences.
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Document size: ≈7,300 words, 4 figures, 1 adjacent Excel file (list of patent families with AI-based summaries)
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