Battery frame for vehicle

A battery frame for a vehicle, comprising:

• a plate-shaped bottom-surface frame;
• and
• side-surface frames including a pair of right and left side frames that are fixed to an outer circumference portion of the plate-shaped bottom-surface frame and extend in a vehicle longitudinal direction,
• the battery frame being attached to a floor back of an automobile body to support a battery,
• the side-surface frames comprising:
• the pair of right and left side frames each provided inside with a gas exhaust passage extending from an end portion on a vehicle front side to an end portion on a vehicle rear side;
• a front frame extending in a vehicle width direction at end portions of the pair of right and left side frames on the vehicle front side;
• and
• a rear frame extending in the vehicle width direction at end portions of the pair of right and left side frames on the vehicle rear side,
• the front frame being provided with a gas exhaust passage communicating with the gas exhaust passage of each of the pair of right and left side frames and an exhaust inlet portion communicating between the gas exhaust passage of the front frame and a space surrounded by the battery frame,
• the rear frame being provided with a gas exhaust passage communicating with the gas exhaust passage of each of the pair of right and left side frames and an exhaust outlet portion communicating between the gas exhaust passage of the rear frame and outside of the space surrounded by the battery frame.