US 8,551,640 B2 · Battery pack

Abstract

The invention relates to a battery pack (1) for electric vehicles or vehicles with an electric hybrid drive. The battery pack (1) according to the invention comprises a battery housing (2) and battery cells, which are arranged within the battery housing (2), are self-contained and are electrically connected to one another in order to achieve a desired terminal voltage. A plurality of battery cells are in each case arranged at a distance from one another in a fastening frame (6) and in each case form cell modules (4). The cell modules (4) are in each case arranged on fastening elements, which pass through the battery housing (2), the fastening elements, being in the form of spacers between the cell modules (4) and, with the battery housing (2), forming a bearing unit.

Claims11

Dependent claims

A battery pack, comprising a battery housing and a plurality of electrically connected battery cells arranged within the battery housing, wherein

said battery cells are arranged at a distance from one another in a plurality of fastening frames forming a plurality of individual cell modules, said cell modules each having an individual electrical connector on at least one surface thereof,
the fastening frames of the cell modules in each case being connected to T-shaped spacers which pass through the battery housing between the cell modules connecting at least two cell modules in a vertical orientation through the electrical connectors, to form a bearing unit,
wherein the electrical connectors are in the form of rectangular plates with a surface-to-volume ratio [m2/m3] of 0.3-2.0.

Dependencies are inferred from the claim text.

Battery pack

Life of this patent

Battery pack

Life of this patent

Abstract

Claims11