TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The crystalline organic and inorganic porous composite is heteroaryl compound of formula (VII), substituted benzene compound of formula (VIII), or 2,4,6-trihydroxybenzene-1,3,5-trisulfonate compound of formula (IX). The crystalline organic and inorganic porous composite are present at 0.1-90 parts by weight.ring U1 = 6-20C aryl, 2-20C heteroaryl, 4-20C carbocycle, or 2-20C heterocycle;X = proton-conducting anion;M = Mg2+, Ca2+, Sr2+, Ba2+, Sc3+, Y3+, Ti4+, Zr4+, Hf4+, V4+, V3+, V2+, Nb3+, Ta3+, Cr3+, Mo3+, W3+, Mn3+, Mn2+, Re3+, Re2+, Fe3+, Fe2+, Ru3+, Ru2+, Os3+, Os2+, Co3+, Rh2+, Rh+, Ir2+, Ir+, Ni2+, Ni+, Pd2+, Pd+, Pt2+, Pt+, Cu2+, Cu+, Ag+, Au+, Zn2+, Cd2+, Hg2+, Al3+, Ga3+, In3+, Tl3+, Si4+, Si2+, Ge4+, Ge2+, Sn4+, Sn2+, Pb4+, Pb2+, As5+, As3+, As+, Sb5+, Sb3+, Sb+, Bi5+, Bi3+, or Bi+;Q = 1-20C alkyl, 1-20C alkoxy, 2-20C alkenyl, 2-20C alkynyl, 6-20C aryl, 6-20C aryloxy, 2-20C heteroaryl, 2-20C heteroaryloxy, 4-20C carbocyclic, 4-20C carbocyclicoxy, 2-20C heterocyclic (all optionally substituted), mono- or poly-substituted substituent, halo, OH, CN or H;T = 6-20C aryl, 2-20C heteroaryl, 4-20C carbocycle, or 2-20C heterocycle (all optionally substituted), preferably pyridine, pyrazine, benzene, pyrimidine, (2,2')bipyrimidinyl, (1,3,5)triazine or 1H-pyrrole;m, n, v = 0-6;X1 = SO3- , PO3 -, COO- or OSO3-,M1-M3 = Na+, H+, K+, Rb+, Cs+, or Fr+;Q1-Q3 = 1-20C alkyl, 1-20C alkoxy, 2-20C alkenyl, 2-20C alkynyl, 6-20C aryl, 6-20C aryloxy, 2-20C heteroaryl, 2-20C heteroaryloxy, 4-20C carbocyclic, 4-20C carbocyclicoxy, 2-20C heterocyclic (all optionally substituted), halo, OH, CN or H;T1 = pyridine, pyrazine, benzene, pyrimidine, (2,2')bipyrimidinyl, (1,3,5)triazine or 1H-pyrrole; andnk = 0.3-0.6.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The electrolytic membrane or electrode further comprises a crosslinkable compound comprising at least one polymer consisting of a polyazole-based material, polyimide, polypyrimidine, polyoxazole, polyimidazole, polybenzothiazole, polybenzoxazole, polyoxadiazole, polyquinoxaline, polythiadiazole, polypyridine, and polytetraazapyrene. The crosslinkable compound is present at 5-210 parts by weight. At least one of the cathode and the anode comprises a composition comprising the crystalline organic and inorganic porous composite and (I-VI) or a polymer as a polymerization product of the composition. The crosslinkable compound comprises at least one compound comprising 2-phenyl-3H,3'H-(5,5')bibenzoimidazolyl compound of formula (X) or (XI) and 2-(4-(1H-benzimidazol-2-yl)phenyl)-1H-benzimidazole compound of formula (XII).n1, n2 = 10 or more; eitherR26, R27 = 1-20C alkyl, 1-20C alkoxy, 6-20C aryl, 6-20C aryloxy, 3-20C heteroaryl, 3-20C heteroaryloxy (all optionally substituted) or H; orR26R27 = 4-20C carbocycle or 3-20C heterocycle;Ar12 = 6-20C arylene, or 3-20C heteroarylene (both optionally substituted);R28, R30 = 1-20C alkyl, 1-20C alkoxy, 6-20C aryl, 6-20C aryloxy, 3-20C heteroaryl, or 3-20C heteroaryloxy (all optionally substituent), mono- or poly-substituted substituent or H;L = linker;m1 = 0.01-1;a1 = 0-1;n3 = 0-0.99; andk = 10-250.