Patent ID: 9257732
Filing Date: 2016-02-09
CPC Classification: H01M,Y02E

Claim Text:
1. A battery cell assembly, comprising: a first battery cell having a first housing and first and second electrical terminals extending from the first housing; and a cooling fin disposed against and contacting the first housing of the first battery cell, the cooling fin having a substantially rectangular-shaped plate that extends along a longitudinal axis, the substantially rectangular-shaped plate having a plate portion with a first side and a second side, the first side having first, second, and third recessed regions and first, second, third, and fourth flat regions, the first recessed region being disposed between and contacting the first and second flat regions along the longitudinal axis, the second recessed region being disposed between and contacting the second and third fiat regions along the longitudinal axis, the third recessed region being disposed between and contacting the third and fourth flat reions along the longitudinal axis; the first, second, and third recessed regions being disposed away and apart from each other; each of the first, second, and third recessed regions extending substantially perpendicular to the longitudinal axis and extending across at least two-thirds of a width of the plate portion, a depth of the each of the first, second, and third recessed regions is less than one-half of a thickness of the plate portion; and the first housing of the first battery cell being disposed against the first side of the plate portion of the substantially rectangular-shaped plate such that the first housing contacts the first, second, third, and fourth flat regions.