Unique Carbonate-Based Single Ion Conducting Block Copolymers Enabling High-Voltage, All-Solid-State Lithium Metal Batteries.

It is worth noticing that both t Li + values are noticeably close to unity and clearly significantly higher than standard liquid electrolyte containing salts, or RTIL-based electrolytes, or cationic PILs/Li salts and/or salt in polymers (e.g., PEO/Li), or composite electrolytes reported previously. 66 , 67 The main factor that can be attributed to the deviation of the transference number value from unity is the nonzero mobility of anchored anions, chiefly due to the presence of a flexible, long spacer between anchored anions and the main chain and the overall inherent motion of polyanionic block since the test was conducted at temperature far above T g .

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