Battery housing portion for battery case of traction battery of electric vehicle, has second layer that is made of second material, which is constant than first material, which is media-resistant to electrolyte of traction battery

摘要

The portion (10) has a side open cavity (14) in which a traction battery (12) is received. A wall (16) is provided with two layers (18, 20). The first layer is provided with a cavity and side (22). The second layer is provided with a side (24) facing the vicinity of a battery housing portion main portion and facing away from the cavity. The first layer is made of a first material (26), which is media-resistant to an electrolyte of the traction battery. The second layer is made of a second material (28), which is constant than the first material.