A battery module, comprising: a wire-bundle; and a wire-bundle receiving bracket for receiving the wire-bundle, wherein the wire-bundle receiving bracket comprises: a wire-bundle receiving slot comprising: a first side wall, a second side wall opposite to the first side wall, and a bottom wall connecting the first side wall and the second side wall; and a clasp part comprising a cover plate for covering the wire-bundle receiving slot, and a curved portion and a buckling portion that are disposed at two ends of the cover plate, wherein the curved portion is connected to the first side wall, and the buckling portion is buckled on the second side wall, the buckling portion comprises an extending section and a first buckling section; the extending section extends in a direction facing towards an inner side of the cover plate, and the first buckling section is disposed at an end of the extending section facing away from the cover plate; and a second buckling section for matching the first buckling section is provided on the second side wall; wherein both the first buckling section and the second buckling section are protrusions, one protrusion is provided at an inner side of the cover plate, and one groove is provided in a middle portion of the protrusion; a dimension of the groove is configured in such a manner that the wire bundle is tightly pressed and fixed by the groove; and the groove extends along a length direction of the wire-bundle receiving slot and extends over a whole length of the protrusion. a wire-bundle; and a wire-bundle receiving bracket for receiving the wire-bundle, wherein the wire-bundle receiving bracket comprises: a wire-bundle receiving slot comprising: a first side wall, a second side wall opposite to the first side wall, and a bottom wall connecting the first side wall and the second side wall; and a clasp part comprising a cover plate for covering the wire-bundle receiving slot, and a curved portion and a buckling portion that are disposed at two ends of the cover plate, wherein the curved portion is connected to the first side wall, and the buckling portion is buckled on the second side wall, the buckling portion comprises an extending section and a first buckling section; the extending section extends in a direction facing towards an inner side of the cover plate, and the first buckling section is disposed at an end of the extending section facing away from the cover plate; and a second buckling section for matching the first buckling section is provided on the second side wall; wherein both the first buckling section and the second buckling section are protrusions, one protrusion is provided at an inner side of the cover plate, and one groove is provided in a middle portion of the protrusion; a dimension of the groove is configured in such a manner that the wire bundle is tightly pressed and fixed by the groove; and the groove extends along a length direction of the wire-bundle receiving slot and extends over a whole length of the protrusion. a wire-bundle receiving slot comprising: a first side wall, a second side wall opposite to the first side wall, and a bottom wall connecting the first side wall and the second side wall; and a clasp part comprising a cover plate for covering the wire-bundle receiving slot, and a curved portion and a buckling portion that are disposed at two ends of the cover plate, wherein the curved portion is connected to the first side wall, and the buckling portion is buckled on the second side wall, the buckling portion comprises an extending section and a first buckling section; the extending section extends in a direction facing towards an inner side of the cover plate, and the first buckling section is disposed at an end of the extending section facing away from the cover plate; and a second buckling section for matching the first buckling section is provided on the second side wall; wherein both the first buckling section and the second buckling section are protrusions, one protrusion is provided at an inner side of the cover plate, and one groove is provided in a middle portion of the protrusion; a dimension of the groove is configured in such a manner that the wire bundle is tightly pressed and fixed by the groove; and the groove extends along a length direction of the wire-bundle receiving slot and extends over a whole length of the protrusion.