Back to results
US 12,738,582 B2Granted
Battery module including swelling relief unit
AssigneeLG Energy Solution, Ltd.
InventorsJae Hwan Lim, Bong Keun Kwon
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to a battery module including a swelling relief unit, and more particularly a battery module including a cell stack constituted by one or more stacked battery cells and a module case configured to receive the cell stack therein, wherein a swelling relief unit is disposed so as to face an outermost battery cell disposed at an outermost side of the cell stack, the swelling relief unit having a convex portion configured to press at least a part of the battery cell.
Claims7
A battery module comprising:
- a cell stack comprising two or more battery cells;
- a module case housing the cell stack;
- and
- a swelling relief unit facing an outermost battery cell of the cell stack,
- wherein the outermost battery cell comprises a pair of end portions on which electrode tabs are located, and a center portion between the pair of end portions,
- wherein the swelling relief unit comprises a flat portion facing the pair of end portions, and a convex portion pressing only the center portion of the outermost battery cell,
- wherein the module case comprises a side cover,
- wherein the swelling relief unit is located between the outermost battery cell and the side cover, and
- wherein the convex portion of the swelling relief unit is configured to permanently deform into a concave shape when a predetermined pressure or higher is applied thereto.
6 more elements
Dependencies are inferred from the claim text.