Crosslinkable compound, composition containing same for formation of solid electrolyte, method for preparation of solid electrolyte by using same, and electronic element including same solid electrolyte

A crosslinkable compound represented by Formula 1:

• wherein, in Formula 1,
• L1 and L2 are each independently a single bond, —C═O—, —C, a substituted or unsubstituted C1-C30 alkylene group, a substituted or unsubstituted C2-C30 alkenylene group, or a substituted or unsubstituted C2-C30 alkynylene group,
• m1 and m2 are each independently 0, 1, 2, or 3,
• Ar1 and Ar2 are each independently a substituted or unsubstituted C5-C60 carbocyclic group or a substituted or unsubstituted C1-C60 heterocyclic group,
• Ar1 and Ar2 are each independently substituted with at least one crosslinkable group,
• n1 is an integer from 2 to 300,000,
• R1 to R4 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C2-C30 alkenyl group, a substituted or unsubstituted C2-C30 alkynyl group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C1-C30 alkylthio group, —Si(Q1)(Q2)(Q3), a substituted or unsubstituted C5-C60 carbocyclic group, or a substituted or unsubstituted C1-C60 heterocyclic group,
• at least one of the substituted C1-C30 alkylene group, the substituted C2-C30 alkenylene group, the substituted C2-C30 alkynylene group, the substituted C5-C60 carbocyclic group, the substituted C1-C60 heterocyclic group, the substituted C1-C30 alkyl group, the substituted C2-C30 alkenyl group, the substituted C2-C30 alkynyl group, the substituted C1-C30 alkoxy group, and the substituted C1-C30 alkylthio group is substituted with deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a C1-C30 alkyl group, a C2-C30 alkenyl group, a C2-C30 alkynyl group, a C1-C3o alkoxy group, a C1-C30 alkylthio group, or —Si(Q1)(Q2)(Q3), and
• Q11 to Q13 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a C1-C30 alkyl group, a C2-C30 alkenyl group, a C2-C30 alkynyl group, a C1-C3o alkoxy group, or a C1-C30 alkylthio group.