A battery module comprising a battery cooling device for a vehicle for cooling the battery module having a plurality of battery cells , comprising: a refrigerant channel disposed in an arrangement direction of the battery cells , wherein the refrigerant channel is adapted to exchange heat with the battery cells through contact with the battery cells ; and a coolant channel plate , wherein the coolant channel plate is adapted to and disposed to exchange heat with the refrigerant channel through contact with the refrigerant channel and allow a coolant for cooling a refrigerant heated by heat from the battery cells in the refrigerant channel into a liquid state to flow therethrough, wherein the refrigerant channel includes a plurality of refrigerant-heating channels , wherein the plurality of refrigerant-heating channels are adapted such that the refrigerant is heated through them by exchanging heat with the battery module and a plurality of refrigerant-cooling channels , which are adapted such that refrigerant is cooled through them by exchanging heat with the coolant channel plate , and the refrigerant-heating channels and the refrigerant-cooling channels are disposed alternately in the arrangement direction of the battery cells , wherein the refrigerant channel includes a plurality of refrigerant-passing channels connected between the refrigerant-heating channels and the refrigerant-cooling channels , and wherein the refrigerant-heating channels contact with only the bottoms of the battery cells of the battery cells disposed over the refrigerant channel and the coolant channel plate disposed under the refrigerant channel , and the refrigerant-cooling channels contact with only the coolant channel plate , and the refrigerant-passing channels connect between the refrigerant-heating channels and the refrigerant-cooling channels without contact with any one of the battery cells and the coolant channel plate . a refrigerant channel disposed in an arrangement direction of the battery cells , wherein the refrigerant channel is adapted to exchange heat with the battery cells through contact with the battery cells ; and a coolant channel plate , wherein the coolant channel plate is adapted to and disposed to exchange heat with the refrigerant channel through contact with the refrigerant channel and allow a coolant for cooling a refrigerant heated by heat from the battery cells in the refrigerant channel into a liquid state to flow therethrough, wherein the refrigerant channel includes a plurality of refrigerant-heating channels , wherein the plurality of refrigerant-heating channels are adapted such that the refrigerant is heated through them by exchanging heat with the battery module and a plurality of refrigerant-cooling channels , which are adapted such that refrigerant is cooled through them by exchanging heat with the coolant channel plate , and the refrigerant-heating channels and the refrigerant-cooling channels are disposed alternately in the arrangement direction of the battery cells , wherein the refrigerant channel includes a plurality of refrigerant-passing channels connected between the refrigerant-heating channels and the refrigerant-cooling channels , and wherein the refrigerant-heating channels contact with only the bottoms of the battery cells of the battery cells disposed over the refrigerant channel and the coolant channel plate disposed under the refrigerant channel , and the refrigerant-cooling channels contact with only the coolant channel plate , and the refrigerant-passing channels connect between the refrigerant-heating channels and the refrigerant-cooling channels without contact with any one of the battery cells and the coolant channel plate . <EOS>