Battery housing component for a traction battery, battery housing for accommodating battery cells and / or battery modules, traction battery, motor vehicle with a traction battery, method for producing a battery housing component

Abstract

The present invention discloses a battery housing component (10) for a traction battery, wherein the battery housing component (10) has the following features: - the battery housing component (10) has a base component (20) which comprises a first plastic; - the battery housing component (10) has at least one integrally formed protective element (30) which comprises a second plastic; - the protective element (30) has at least two longitudinal recesses (33); - a first region (31) of the protective element (30), which is arranged between the at least two longitudinal recesses (33), is offset in height with respect to at least a second region (32) such that the first region (31) of the protective element (30) forms part of an outer side (12) of the battery housing component (10) and the second region (32) of the protective element (30) forms part of an inner side (11) of the battery housing component (10);- the protective element (30) is connected to the base component (20) in such a way that at least one longitudinal recess (33) of the protective element (30) is closed by the base component (20).The present invention further discloses a battery housing for accommodating battery cells and / or battery modules, a traction battery for a motor vehicle, a motor vehicle with a traction battery and methods for producing a battery housing component 10.;

Claims

[1] Battery housing component (10) for a traction battery, wherein the battery housing component (10) has the following features: - the battery housing component (10) has a base component (20) which has a first plastic; - the battery housing component (10) has at least one integrally formed protective element (30) which comprises a second plastic; - the protective element (30) has at least two longitudinal recesses (33); - a first region (31) of the protective element (30), which is arranged between the at least two longitudinal recesses (33), is offset in height with respect to at least one second region (32) such that the first region (31) of the protective element (30) forms part of an outer side (12) of the battery housing component (10) and the second region (32) of the protective element (30) forms part of an inner side (11) of the battery housing component (10); - the protective element (30) is connected to the base component (20) in such a way that at least one longitudinal recess (33) of the protective element (30) is closed by the base component (20). [2] Battery housing component (10) according to claim 1, characterized by that the base component (20) - on a first connecting surface (31-1) of the first region (31) of the protective element (30) facing the inner side (11) of the battery housing component (10) and / or - rests on a second connecting surface (32-2) of the at least one second region (32) of the protective element (30) facing the outer side (12) of the battery housing component (10). [3] Battery housing component (10) for a traction battery, wherein the battery housing component (10) has the following features: - the battery housing component (10) has a base component (20) which has a first plastic; - the battery housing component (10) has at least one integrally formed protective element (30) which comprises a second plastic; - the protective element (30) has at least one longitudinal recess (34); - the protective element (30) is connected to the base component (20) in such a way, - that the longitudinal recess (34) of the protective element (30) is closed by the base component (20), and - that the protective element (30) forms part of an inner side (11) of the battery housing component (10), and - that the area of the base component (20) which closes the longitudinal recess (34) of the protective element (30) forms the remaining part of the inner side (11) of the battery housing component (10). [4] Battery housing component (10) according to one of the preceding claims, characterized by that the protective element (30) is integrally connected to the base component (20). [5] Battery housing component (10) according to one of the preceding claims, characterized by that the protective element (30) is fiber-reinforced, preferably continuous fiber-reinforced, and / or that the base component (20) is fiber-reinforced, preferably short fiber-reinforced and / or long fiber-reinforced. [6] Battery housing component (10) according to one of claims 1, 2, 4 or 5, characterized by that the inner side (11) of the battery housing component (10), which is formed by the second region (32) of the protective element (30), is designed to be connected at least indirectly to a battery cell and / or to a battery module. [7] Battery housing component (10) according to one of the preceding claims, characterized by that the base component (20) has reinforcing elements (21). [8] Battery housing component (10) according to claim 7, characterized bythat the reinforcing elements (21) are formed on the inside (11) of the battery housing component (10) and / or on the outside (12) of the battery housing component (10). [9] Battery housing component (10) according to one of the preceding claims, characterized by that the battery housing component (10) has at least one fastening element (22, 23) which is formed integrally in the base component (20). [10] Battery housing component (10) according to one of the preceding claims, characterized by that the battery housing component (10) is designed as underbody protection (10). [11] Battery housing component (10) according to one of the preceding claims, characterized by that the battery housing component (10) is designed as a battery housing shell (10) and at least partially delimits a receiving volume (14) which is designed to receive battery cells and / or battery modules. [12] Battery housing for accommodating battery cells and / or battery modules, comprising a battery housing component (10) according to one of the preceding claims. [13] Traction battery for a motor vehicle, comprising at least one battery cell and / or at least one battery module and a battery housing according to claim 12, wherein the at least one battery cell and / or the at least one battery module is / are arranged in the battery housing. [14] Motor vehicle, in particular electric vehicle with a traction battery according to claim 13. [15] Method for producing a battery housing component (10) according to one of claims 1, 2 or 4 to 11 by injection molding, comprising the following method steps: - Providing an injection molding tool with a first injection molding tool half and a second injection molding tool half; - Providing a protective element (30) comprising a second plastic, which has at least two longitudinal recesses (33); - positioning and holding the protective element (30) between the first and second injection mold halves in an open position; - Closing the injection mold; - injecting a first plastic material, which forms the base component (20), into the injection molding tool in the closed position, so that the first plastic material flows around the protective element (30) in such a way that at least one longitudinal recess (33) of the protective element (30) is closed by the base component (20); - Open the injection mold and remove the battery housing component (10). [16] Method for producing a battery housing component (10) according to one of claims 1, 2 or 4 to 11 by means of extrusion, comprising the following method steps: - Providing an extrusion tool with a die and a punch; - placing at least one protective element (30) having at least two longitudinal recesses (33) and at least one plasticized product comprising a first plastic in the die of the extrusion tool in the open position; - closing the extrusion tool in such a way that the punch of the extrusion tool comes into contact with the at least one plasticized material and the plasticized material is deformed by applying pressure by means of the punch in such a way that the plasticized material flows around the protective element (30) in such a way that at least one longitudinal recess (33) of the protective element (30) is closed by the plasticized material forming the base component (20); and - Open the extrusion tool and remove the battery housing component (10).

Images