NOVELTY - A multicharged ion conductive material comprises greater than or equal to 1 types of unsaturated nitrogen-containing salt (A1), greater than or equal to 1 types of nitrogen-containing salt (A2), multicharged ion salt (B), and metal-oxygen structure (C) which has crosslinked structure and contains metal-oxygen bond.    USE - A multicharged ion conductive material for multicharged ion conductive electrolyte used for multicharged ion conductive electrolyte-electrode assembly of multicharged ion battery (all claimed).    ADVANTAGE - Excellent ion conductivity, high energy density, and rapid charging/discharging ability can be attained.    DETAILED DESCRIPTION - A multicharged ion conductive material comprises greater than or equal to 1 types of unsaturated nitrogen-containing salt (A1) of formula (A1-a1), (A1-a2), and/or (A1-b), greater than or equal to 1 types of nitrogen-containing salt (A2) of formula (A2-a1) and/or (A2-a2), multicharged ion salt (B) of formula (B), and metal-oxygen structure (C) of formula (C) which has crosslinked structure and contains metal-oxygen bond.    R1, R14=1-10C alkylidene group or 2-10C alkenylidene group;    R2-R4, R15-R17=1-10C alkyl group or 2-10C alkenyl group;    R1+R2, R3+R4, R5+R6, R14+R15, R16+R17=ring with C optionally substituted by hetero atom bonded to H which is optionally substituted by 1-6C hydrocarbon group;    X1-X3=vinyl group, allyl group, acryloyl imino group, acryloyloxy group which may pass 1-3C alkylene group or 2-3C alkenylene group as coupling group, or methacryloyloxy group;    (Z1)--(Z5)-=1-10C alkyl sulfonic acid ion, fluoroalkyl sulfonic acid ion, alkoxy sulfonic acid ion, fluoroalkoxy sulfonic acid ion, alkoxyalkylene sulfonic acid ion, fluoroalkoxyalkylene sulfonic acid ion, bis (alkyl sulfonyl)imide ion, bis(fluoro sulfonyl)imide ion, bis(fluoroalkyl sulfonyl)imide ion, fluoroalkyl sulfonyl(fluoro sulfonyl)imide ion, acetate ion, fluoroalkyl carboxylate ion, perchlorate ion, tetrafluoroboric acid ion, tetracyano borate ion, fluoroalkyl(trifluoro)borate ion, fluoroalkoxy(trifluoro)borate ion, hexafluorophosphate ion, hexafluoroarsenate ion, chloride ion, bromide ion, or iodide ion;    L1, L2=1-6C hydrocarbon group;    R5, R6=1-10C alkyl group or 4-7C cycloalkyl group;    X4=1-10C alkyl group, 4-7C cycloalkyl group, or X1;    W1, W2=H, 1-10C alkyl group, fluoroalkyl group, alkoxy group, or fluoroalkoxy group which may pass 1-3C alkylene group, 2-3C alkenylene group, or 2-10C alkenyl group as coupling group;    Y1=F or 1-10C fluoroalkyl group, fluoroalkoxy group, or fluoroalkoxyalkylene group;    Y2=fluoro sulfonyl group or 1-10C fluoroalkyl sulfonyl group, fluoroalkyl carbonyl group, fluoroalkoxy group, or fluoroalkoxyalkylene group;    M=Si, Ti, Al, V, Zr, Sn, or Cr;    R7=1-100C bivalent hydrocarbon group, alkylene oxide, or O;    R8-R13=H, OH, Me, Et, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec.-butyl group, tert.-butyl group, Ph, acetonato group, acetylacetonato group, acetate group, methoxy group, ethoxy group, n-propoxy group, isopropoxy group, n-butoxy group, isobutoxy group, sec.-butoxy group, tert.-butoxy group, group of formula (-O-M-), acryloyloxy group, methacryloyloxy group, vinyl group, or allyl group which may pass 1-3C alkylene group or 2-3C alkenylene group as coupling group;    n8-n11=0 or 1;    n8+n9+2, n10+n11+2=valence of M; and    m1= greater than or equal to 1.    INDEPENDENT CLAIMS are included for:    (1) multicharged ion conductive electrolyte containing multicharged ion conductive material, wherein X1, X2, X3, or X4 of multicharged ion conductive material is polymerized;    (2) multicharged ion conductive electrolyte-electrode assembly which has multicharged ion conductive material distributed on electrode and counter electrode positioned on multicharged ion conductive electrolyte formed by performing curing process through heating or UV irradiation; and    (3) multicharged ion battery containing multicharged ion conductive electrolyte.