Separating device for a battery module, battery module, and motor vehicle

A battery module, comprising:

• several battery cells;
• and
• at least one separating device including:
• a first separating element and a second separating element, which are arranged congruently with respect to one another and adjacent one another, wherein the first separating element and the second separating element are formed from a heat-conducting material, the first separating element and the second separating element enclose a chamber between them, the first separating element and the second separating element have embossments corresponding to one another for forming the chamber, the embossments of the first separating element extend away from the second separating element and the embossments of the second separating element extend away from the first separating element, the embossments of the first separating element and of the second separating element are arranged opposite one another, the chamber is divided into three concentric chamber regions, which are formed by the embossments of the first separating element and of the second separating element, the at least one separating device is arranged between two adjacent battery cells, and a first chamber region and a second chamber region extend about a third chamber region.