An ion transport material comprising: a copolymer comprising a unit of the following Formula 1 and at least one unit of a unit of the following Formula 2, a unit of the following Formula 3, and a unit of the following Formula 4; and inorganic particles dispersed in the copolymer, wherein the copolymer includes at least one unit represented by the following Formulae 5 to 10: in Formula 1, Z is a trivalent aromatic cyclic group or a trivalent heterocyclic group, L is a direct bond, or a divalent linking group, X 1 to X 3 are the same as or different from each other, and are each independently a direct bond, oxygen, a carbonyl group (-CO-), a sulfone group (-SO 2 -), an arylene group, a heteroarylene group, or *-Z-L-SO 3 R, and * represents a portion which is linked to a main chain, and R is an element of Group 1 in the periodic table, and in Formulae 2 to 4, Y 1 to Y 22 are the same as or different from each other, and are each independently hydrogen, fluorine, or a substituted or unsubstituted alkyl group, the units of Formulae 2 to 4 each have at least one fluorine substituent, in Formulae 5 to 10, R is the same as that described above, and a and b mean a mole fraction relative to the entire copolymer, and a+b≤1, 0.1≤a≤0.9, and 0.1≤b≤0.9. a copolymer comprising a unit of the following Formula 1 and at least one unit of a unit of the following Formula 2, a unit of the following Formula 3, and a unit of the following Formula 4; and inorganic particles dispersed in the copolymer, wherein the copolymer includes at least one unit represented by the following Formulae 5 to 10: in Formula 1, Z is a trivalent aromatic cyclic group or a trivalent heterocyclic group, L is a direct bond, or a divalent linking group, X 1 to X 3 are the same as or different from each other, and are each independently a direct bond, oxygen, a carbonyl group (-CO-), a sulfone group (-SO 2 -), an arylene group, a heteroarylene group, or *-Z-L-SO 3 R, and * represents a portion which is linked to a main chain, and R is an element of Group 1 in the periodic table, and in Formulae 2 to 4, Y 1 to Y 22 are the same as or different from each other, and are each independently hydrogen, fluorine, or a substituted or unsubstituted alkyl group, the units of Formulae 2 to 4 each have at least one fluorine substituent, in Formulae 5 to 10, R is the same as that described above, and a and b mean a mole fraction relative to the entire copolymer, and a+b≤1, 0.1≤a≤0.9, and 0.1≤b≤0.9. Z is a trivalent aromatic cyclic group or a trivalent heterocyclic group, L is a direct bond, or a divalent linking group, X 1 to X 3 are the same as or different from each other, and are each independently a direct bond, oxygen, a carbonyl group (-CO-), a sulfone group (-SO 2 -), an arylene group, a heteroarylene group, or *-Z-L-SO 3 R, and * represents a portion which is linked to a main chain, and R is an element of Group 1 in the periodic table, and in Formulae 2 to 4, Y 1 to Y 22 are the same as or different from each other, and are each independently hydrogen, fluorine, or a substituted or unsubstituted alkyl group, the units of Formulae 2 to 4 each have at least one fluorine substituent, R is the same as that described above, and a and b mean a mole fraction relative to the entire copolymer, and a+b≤1, 0.1≤a≤0.9, and 0.1≤b≤0.9.