Shunt resistor for detecting the status of an electrical energy storage unit

A shunt resistor (2) for detecting the status of an electrical energy storage unit (1), wherein the shunt resistor (2) has a first layer (4), a second layer (6) and a third layer (8), characterized in that the layers (4, 6, 8) are arranged in a layered manner in a direction of a stacking direction (V), wherein the second layer (6) is arranged between the first layer (4) and the third layer (8), and wherein the layers are each in physical contact with one another by way of sides respectively having a largest surface area, and wherein the layers (4, 6, 8) are arranged in an at least partially overlapping manner, wherein the shunt resistor (2) is provided with at least one recess (9) that extends through each of the first layer (4), second layer (6), and third layer (8) along the stacking direction (V), wherein an area of the shunt resistor (2) is reduced by a size of the at least one recess (9) in such a manner that a predefined resistance value of the shunt resistor (2) is achieved.