Notably, the polarization voltage (ΔE), calculated at a capacity of 70 mAh g −1 , showed a decreasing trend upon cycling: 0.245 V (1st cycle) → 0.266 V (100th cycle) → 0.214 V (200th cycle) → 0.180 V (300th cycle).
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High-Performance Solid Polymer Electrolyte Constructed from Long-Chain Regulated Random Copolymers and Porous PI Composites.
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