Patent ID: 8841017
Filing Date: 2014-09-23
Classification: H01M,Y02E

Abstract:
1. A battery pack for use in a vehicle comprising: a first set of battery cells, each of the battery cells in the first set including a first main body and a first foil cell tab extending from the first main body, each of the first foil cell tabs including a nickel plated copper base portion extending from the respective first main body and an aluminum contact portion bonded to and extending from the respective base portion; a second set of battery cells, each of the battery cells in the second set including a second main body and a second foil cell tab extending from the second main body, each of the second foil cell tabs being made of aluminum; an aluminum interconnect having a bridge, a first leg extending from the bridge and a second leg spaced from the first leg and extending from the bridge; and a first set of welds securing the contact portions of the first foil cell tabs to the first leg and a second set of welds securing the foil cell tabs of the second set of battery cells to the second leg.