Covering device for a battery case of a traction battery of a motor vehicle, battery case, traction battery and motor vehicle

摘要

The invention relates to a covering device (7) for a battery housing (4) of a traction battery (1) of a motor vehicle for covering a receiving space (3) of the battery housing (4) provided for receiving at least two battery cells (2) of the traction battery (1) an upper side (10) facing an ambient area (9) and a lower side (11) facing the receiving space (3), wherein the underside (11) has a first area (12) with a first heat resistance associated with degassing elements (6) of the battery cells (2) opposite to a hot gas flowing out of the degassing elements (6), and wherein the underside (11) has a second region (13) with a second heat resistance smaller than the first heat resistance. The invention also relates to a battery case (4), a traction battery (1) and a motor vehicle.