A Solid‐State Battery Cathode with a Polymer Composite Electrolyte and Low Tortuosity Microstructure by Directional Freezing and Polymerization

Solid‐state Li metal batteries (SSLMBs) combine improved safety and high specific energy that can surpass current Li ion batteries. However, the Li+ ion diffusivity in a composite cathode—a combination of active material and solid‐state electrolyte (SSE)—is at least an order of magnitude lower than...

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