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Disclosed herein is a middle- or large-sized battery module having a structure in which two or more plate-shaped secondary battery cells (‘battery cells’) are arranged in a lateral direction thereof, wherein the battery cells have electrode terminals arranged in the same direction, plate-shaped elec

Disclosed herein is a middle- or large-sized battery module having a structure in which two or more plate-shaped secondary battery cells (‘battery cells’) are arranged in a lateral direction thereof, wherein the battery cells have electrode terminals arranged in the same direction, plate-shaped electrode terminal connecting members to electrically connect the battery cells to one another are electrically connected to oriented surfaces of the electrode terminals of the battery cells, each of the electrode terminal connecting members is provided at a top and/or bottom thereof with a coupling structure to interconnect electrode terminal connecting members, and at least one end of an insulating joint member coupled in the coupling structure is supported by a module case.

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1. A middle- or large-sized battery module having a structure in which two or more plate-shaped secondary battery cells (‘battery cells’) are arranged in a lateral direction thereof, wherein the battery cells have electrode terminals arranged in the same direction, plate-shaped electrode terminal co

1. A middle- or large-sized battery module having a structure in which two or more plate-shaped secondary battery cells (‘battery cells’) are arranged in a lateral direction thereof, wherein the battery cells have electrode terminals arranged in the same direction, plate-shaped electrode terminal connecting members to electrically connect the battery cells to one another are electrically connected to oriented surfaces of the electrode terminals of the battery cells, each of the electrode terminal connecting members is provided at a top and/or bottom thereof with a coupling structure to interconnect electrode terminal connecting members, and at least one end of an insulating joint member coupled in the coupling structure is supported by a module case, wherein the coupling structure comprises a frame configured in a hollow structure (‘hollow frame’) formed in the lateral direction of the battery cells, and the insulating joint member, configured in a bar type structure, is fixedly inserted through the hollow frame in a state in which a plurality of electrode terminal connecting members are arranged in the lateral direction thereof. 2. The middle- or large-sized battery module according to claim 1, wherein each of the battery cells is configured such that an electrode assembly is mounted in a battery case formed of a laminate sheet comprising a metal layer and a resin layer in a sealed state. 3. The middle- or large-sized battery module according to claim 1, wherein each of the electrode terminal connecting members comprises a plate-shaped member body configured to be disposed on electrode terminals of the battery cells which are arranged in the lateral direction thereof, the plate-shaped member body having a predetermine thickness, a left-wing connection part extending from the plate-shaped member body such that the electrode terminals of the left-side battery cells are connected to the left-wing connection part to achieve electrical connection in series or in series and in parallel between the battery cells, and a right-wing connection part extending from the plate-shaped member body such that the electrode terminals of the right-side battery cells are connected to the right-wing connection part to achieve electrical connection in series or in series and in parallel between the battery cells,the left-wing connection part is provided with slits, corresponding to shapes of the electrode terminals of the battery cells, through which the plate-shaped electrode terminals of the respective battery cells (‘battery cell electrode terminals’) are inserted, and the right-wing connection part is provided with slits, corresponding to shapes of the battery cell electrode terminals, through which the battery cell electrode terminals are inserted, andduring electrical connection, the battery cell electrode terminals are inserted through the slits of the left- and right-wing connection parts, are bent such that the battery cell electrode terminals come into tight contact with a top of the electrode terminal connecting member, and then the battery cell electrode terminals are coupled to the electrode terminal connecting member by welding. 4. The middle- or large-sized battery module according to claim 1, wherein each of the battery cell electrode terminals is formed of a metal plate. 5. The middle- or large-sized battery module according to claim 3, wherein the left-wing connection part is provided with two or more slits arranged in the lateral direction thereof such that two or more adjacent battery cells are connected in parallel to each other, and the right-wing connection part is provided with two or more slits arranged in the lateral direction thereof such that two or more adjacent battery cells are connected in parallel to each other. 6. The middle- or large-sized battery module according to claim 3, wherein the welding is carried out using a welding method selected from a group consisting of resistance welding, laser welding, arc welding, and ultrasonic welding. 7. The middle- or large-sized battery module according to claim 1, wherein the hollow frame has a vertical sectional shape configured in a polygonal hollow structure. 8. The middle- or large-sized battery module according to claim 1, wherein insulating members, corresponding to outer circumferential shapes of the electrode terminal connecting members, are disposed between the respective electrode terminal connecting members. 9. The middle- or large-sized battery module according to claim 8, wherein the insulating members are coupled to outer circumferences of the electrode terminal connecting members. 10. The middle- or large-sized battery module according to claim 8, wherein each of the insulating members has a hollow structure, in which the insulating joint member is coupled. 11. The middle- or large-sized battery module according to claim 1, wherein the middle- or large-sized battery module further has a structure in which two or more battery cells are arranged in a longitudinal direction thereof. 12. A middle- or large-sized battery module having a structure in which two or more plate-shaped secondary battery cells (‘battery cells’) are arranged in a lateral direction thereof, wherein the battery cells have electrode terminals arranged in the same direction, plate-shaped electrode terminal connecting members to electrically connect the battery cells to one another are electrically connected to oriented surfaces of the electrode terminals of the battery cells, each of the electrode terminal connecting members is provided at a top and/or bottom thereof with a coupling structure to interconnect electrode terminal connecting members, and at least one end of an insulating joint member coupled in the coupling structure is supported by a module case, wherein each of the electrode terminal connecting members comprises a plate-shaped member body configured to be disposed on electrode terminals of the battery cells which are arranged in the lateral direction thereof, the plate-shaped member body having a predetermine thickness, a left-wing connection part extending from the plate-shaped member body such that the electrode terminals of the left-side battery cells are connected to the left-wing connection part to achieve electrical connection in series or in series and in parallel between the battery cells, and a right-wing connection part extending from the plate-shaped member body such that the electrode terminals of the right-side battery cells are connected to the right-wing connection part to achieve electrical connection in series or in series and in parallel between the battery cells,wherein the left-wing connection part is provided with slits, corresponding to shapes of the electrode terminals of the battery cells, through which the plate-shaped electrode terminals of the respective battery cells (‘battery cell electrode terminals’) are inserted, and the right-wing connection part is provided with slits, corresponding to shapes of the battery cell electrode terminals, through which the battery cell electrode terminals are inserted, and during electrical connection, the battery cell electrode terminals are inserted through the slits of the left- and right-wing connection parts, are bent such that the battery cell electrode terminals come into tight contact with a top of the electrode terminal connecting member, and then the battery cell electrode terminals are coupled to the electrode terminal connecting member by welding, andwherein the left-wing connection part is provided with a step formed in the lateral direction such that the step corresponds to the number of the battery cells connected in series to one another, and the right-wing connection part is provided with a step formed in the lateral direction such that the step corresponds to the number of the battery cells connected in series to one another. 13. A middle- or large-sized battery module having a structure in which two or more plate-shaped secondary battery cells (‘battery cells’) are arranged in a lateral direction thereof, wherein the battery cells have electrode terminals arranged in the same direction, plate-shaped electrode terminal connecting members to electrically connect the battery cells to one another are electrically connected to oriented surfaces of the electrode terminals of the battery cells, each of the electrode terminal connecting members is provided at a top and/or bottom thereof with a coupling structure to interconnect electrode terminal connecting members, and at least one end of an insulating joint member coupled in the coupling structure is supported by a module case, wherein the insulating joint member comprises a rod made of a metal material and an insulative film attached to an outside of the rod. 14. A middle- or large-sized battery module having a structure in which two or more plate-shaped secondary battery cells (‘battery cells’) are arranged in a lateral direction thereof, wherein the battery cells have electrode terminals arranged in the same direction, plate-shaped electrode terminal connecting members to electrically connect the battery cells to one another are electrically connected to oriented surfaces of the electrode terminals of the battery cells, each of the electrode terminal connecting members is provided at a top and/or bottom thereof with a coupling structure to interconnect electrode terminal connecting members, and at least one end of an insulating joint member coupled in the coupling structure is supported by a module case, wherein the insulating joint member comprises a rod made of a metal material and an insulative coating layer covering an outside of the rod.