Patent ID: 9647302
Date: 2017-05-09
CPC Classifications: H01M,Y02E,Y02P,Y10T

Claim:
1. A battery pack assembly for an automobile, said battery pack assembly comprising: a plurality of battery cells; a plurality of cooling fin assemblies, each of which is positioned in thermal communication with at least one of said plurality of battery cells for thermal cooling thereof, each of said plurality of cooling fin assemblies including a respective pair of cooling fins defining a respective compliant structure therein, and at least one respective foot defining a respective flat surface along a respective edge of said respective pair of cooling fins; wherein each of the plurality of cooling fin assemblies includes a respective expansion unit configured to compensate for expansion variation of the plurality of battery cells; wherein each of the respective expansion units is directly positioned between the respective pair of cooling fins; a heat sink; a frame structure comprising structural components configured to contain said plurality of battery cells and said plurality of cooling fin assemblies such that upon placement of said plurality of cooling fin assemblies and said plurality of battery cells in said frame structure a substantial entirety of said respective flat surfaces of said respective feet of said plurality of cooling fin assemblies are aligned to define a generally planar surface with which to thermally engage said heat sink; wherein the respective compliant structures of the respective pair of cooling fins include a respective v-profile section having a plurality of gaps configured to allow for flexible width tolerance of the respective pair of cooling fins; and wherein the plurality of gaps are within the respective v-profile section.