Patent ID: 11881592
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  A  Y | IPC A  H

Claim 0:
1. An ESS (Energy Storage System) module, comprising:
a cell stack assembly including a cell stack formed by stacking a plurality of battery cells and a plurality of mica barrier assemblies and a pair of bus bar frames coupled to side portions of the cell stack assembly; and
a housing configured to accommodate the cell stack assembly and having a plurality of flow path holes formed at locations corresponding to a front side, a rear side and the side portions of the cell stack assembly,
wherein one of the mica barrier assemblies is provided between adjacent battery cells and one of the mica barrier assemblies is provided at an outermost side of the cell stack, and
wherein each of the mica barrier assemblies includes a flow path along a stacking direction of the cell stack and a thermally expandable member disposed in at least a part of the flow path.