The hybrid polymeric 1 or 2, which has an ionic conductivity of at least 1×10−5 S/cm and which is substantially insusceptive to oxidation and reduction at an electric potential in {HEAD ~ the range} of {TAIL ~ from 1 to 3 V} as measured relative to a reference electrode of metallic lithium 
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The hybrid polymeric 1 or 2 , which has an ionic conductivity of at least 1×10−5 S / cm and which is substantially insusceptive to oxidation and reduction at an electric potential in { HEAD ~ the range } of { TAIL ~ from 1 to 3 V } as measured relative to a reference electrode of metallic lithium
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