Battery module and method for assembling the battery module

摘要

A battery module and a method for assembling the battery module are provided. The battery module includes a first end plate, a second end plate, a frame member, a first battery cell disposed between the first end plate and the frame member, and a second battery cell disposed between the second end plate and the frame member. The battery module further includes a first shoulder bolt having a first head portion, a first shaft portion, a first shoulder portion, and a first threaded portion. The first shoulder bolt is disposed such that the first head portion is disposed against the first end plate and the first shaft portion extends through a first aperture of the first end plate and a first aperture of the frame member, and the first shoulder portion is disposed against the second end plate.

主权项

1. A battery module, comprising:
a first end plate having first, second, third and fourth apertures extending therethrough; a frame member having first, second, third, and fourth apertures extending therethrough; a first battery cell disposed between the first end plate and the frame member; a second end plate having first, second, third and fourth apertures extending therethrough, the second end plate further having a first side and a second side disposed opposite to the first side; a second battery cell disposed between the second end plate and the frame member; a first shoulder bolt having a first head portion, a first shaft portion, a first shoulder portion, and a first threaded portion; the first shaft portion having a first end and a second end, the first end of the first shaft portion extending from the first head portion, the first shoulder portion being disposed at the second end of the first shaft portion, the first threaded portion extending from the second end of the first shaft portion; and the first shoulder bolt being disposed such that the first head portion is disposed against the first end plate and the first shaft portion extends through the first aperture of the first end plate and the first aperture of the frame member, and the first shoulder portion being disposed directly against and contacting the first side of the second end plate and the first threaded portion extending through the first aperture of the second end plate and being threadably received in a first nut, and the first nut being disposed directly against and contacting the second side of the second end plate.