Patent ID: 9735404
Date: 2017-08-15
CPC Classifications: B60L,H01M,Y02E,Y02T

Claim:
1. A battery case mounted under a floor of a vehicle, the battery case comprising: a case body containing a plurality of battery modules, each of the battery modules being provided with an exhaust port for letting out gas generated within the battery module, the case body being provided with a gas circulation hole through which the gas inside the case body flows out; a cover for closing over an opening of the case body; an exhaust duct connecting all of the exhaust ports of the battery modules to the gas circulation hole of the case body, the exhaust duct extending upward within the case body from the exhaust ports of the battery modules to the cover; and a reinforcement member attached to an outer surface of the case body, the reinforcement member reinforcing the case body and defining therein a gas flow passage which is connected to the inside of the case body through the gas circulation hole of the case body; wherein the reinforcement member is provided with a gas exhaust port at the end of the gas flow passage for letting out the gas therethrough.