Insulation element

Insulation element according to one of the preceding claims, characterized in that the intermediate element (5) is a stitch-bonded mat and/or non-woven mat.

Insulation element according to one of the preceding claims, characterized in that the intermediate element (5) comprises or is made of silicate fibers and/or glass fibers.

Insulation element according to one of the preceding claims, characterized in that in an intermediate region (9) comprising the intermediate element (5) or a section (5A) thereof, the insulation element (1) is thicker than in the central region (8).

Insulation element according to one of the preceding claims, characterized in that the first outer layer (4A) and/or the second outer layer (4A) has/have a thickness of at most or less than 1 mm, preferably at most or less than 0.5 mm, in particular at most or less than 0.25 mm, most preferred at most or less 0.2 mm.

Insulation element according to one of the preceding claims, characterized in that the first outer layer (4A) and the second outer layer (4B) have the same thickness.

Insulation element according to one of the preceding claims, characterized in that the intermediate element (5) is thicker than the first outer layer (4A).

Insulation element according to one of the preceding claims, characterized in that the second outer layer (4B) and/or the intermediate element (5) has a thickness of at least or more than 1 mm, preferably at least or more than 2 mm, in particular at least or more than 3 mm, most preferred about 3.5 mm.

Insulation element according to one of the preceding claims, characterized in that the insulation element (1) comprises at least one connection layer (10) connecting the outer layers (4A, 4B) to each other and/or connecting the intermediate element (5) to at least one of the outer layers (4A, 4B).

Insulation element according to one of the preceding claims, characterized in that the ventilation channel (11) is arranged between the intermediate element (5) and the central region (8) and/or in that the ventilation channel (11) extends parallel to the outer layers (4A, 4B) and/or parallel to a main extension plane of the insulation element (1).

Insulation element according to one of the preceding claims, characterized in that the ventilation channel (11) is formed by a free space between the first outer layer (4A), the second outer layer (4B) and the intermediate element (5).

Insulation element according to one of the preceding claims, characterized in that the insulation element (1) has several ventilation channels (11).

Insulation element according to one of the preceding claims, characterized in that the insulation element (1) extends along a first main direction (X) from the first edge (6A) to the second edge (6B) and a second main direction (Y) perpendicular to the first main direction (X), wherein the insulation element (1) has a third edge (6C) and a fourth edge (6D), which are arranged on opposite sides of the insulation element (1) in the second main direction (Y), wherein the insulation element (1) is open and/or the intermediate element (5) is arranged between the outer layers (4A, 4B) at one or both of the third and fourth edges (6C, 6D).

Insulation element according to one of the preceding claims, characterized in that the insulation element (1) is at least essentially flat, planar, sheet-like and/or mat-like and/or has an at least essentially rectangular shape.

Rechargeable battery (2), in particular lithium-ion battery, sodium-ion battery and/or traction battery for an electric vehicle (3), characterized in that the battery (2) comprises an insulation element (1) according to one of the preceding claims, preferably wherein the insulation element (1) is arranged between a housing (2B) of the battery (2) and at least one cell (2A) and/or module of the battery (2) and/or wherein the insulation element (1) is arranged between different cells (2A) and/or modules of the battery (2).