Cartridge type secondary battery module, cartridge module, and battery pack including same
A cartridge type secondary battery module includes a plurality of secondary battery cells; and a cartridge comprising an accommodating portion in which the plurality of secondary battery cells are accommodated, a cooling plate in contact with at least one of the secondary battery cells, and a blocking member in contact with at least one of the secondary battery cells, wherein the accommodating portion comprises at least one open surface.
1 . A cartridge type secondary battery module, comprising:
a plurality of secondary battery cells; and
a cartridge comprising an accommodating portion in which the plurality of secondary battery cells are accommodated, a cooling plate in contact with at least one of the secondary battery cells, and a blocking member in contact with at least one of the secondary battery cells,
wherein the accommodating portion comprises at least one open surface,
wherein the cooling plate has an approximately C-shape and the accommodating portion is formed by the C-shape of the cooling plate, and
wherein at least two of the plurality of secondary battery cells are accommodated by the accommodating portion.
2 . The cartridge type secondary battery module of claim 1 , wherein the blocking member comprises:
one or more insulation layers configured to block heat; and
one or more shock absorption layers that are elastically compressed by swelling of the secondary battery cell upon heating.
3 . The cartridge type secondary battery module of claim 2 , wherein the insulation layer comprises an insulation material.
4 . The cartridge type secondary battery module of claim 2 , wherein the shock absorption layer comprises one or more materials selected from the group consisting of polyurethane-based materials, silicone-based materials, polyether-based materials, polyester-based materials, acrylic materials, rubber-based materials, and ethylene vinyl acetate (EVA)-based materials.
5 . The cartridge type secondary battery module of claim 1 , wherein the blocking member is interposed between different secondary battery cells.
6 . The cartridge type secondary battery module of claim 1 , wherein the accommodating portion is divided into a first accommodating space and a second accommodating space by the cooling plate.
7 . The cartridge type secondary battery module of claim 6 , wherein the blocking member is disposed at an end of the first accommodating space opposite to the cooling plate.
8 . The cartridge type secondary battery module of claim 7 , wherein, in the second accommodating space, the at least one open surface is opposite to the cooling plate.
9 . A cartridge module, comprising:
a plurality of secondary battery modules each comprising a plurality of secondary battery cells and a cartridge configured to accommodate the plurality of secondary battery cells,
wherein the cartridge comprises:
an accommodating portion in which the plurality of secondary battery cells are accommodated and which comprises at least one open surface;
a cooling plate in contact with at least one of the secondary battery cells; and
a blocking member in contact with at least one of the secondary battery cells,
wherein the cooling plate has an approximately C-shape and the accommodating portion is formed by the C-shape of the cooling plate, and
wherein at least two of the plurality of secondary battery cells are accommodated by the accommodating portion.
10 . The cartridge module of claim 9 , wherein the plurality of secondary battery modules are stacked in a direction of the at least one open surface.
11 . The cartridge module of claim 10 , further comprising a bolt penetrating the secondary battery modules in a stack direction of the secondary battery modules.
12 . A battery pack, comprising:
a pack case; and
a plurality of cartridge modules embedded in the pack case,
wherein each of the cartridge modules comprises a plurality of secondary battery modules each comprising a plurality of secondary battery cells and a cartridge configured to accommodate the plurality of secondary battery cells, and
wherein the cartridge comprises:
an accommodating portion in which the plurality of secondary battery cells are accommodated and which comprises at least one open surface;
a cooling plate in contact with at least one of the secondary battery cells; and
a blocking member in contact with at least one of the secondary battery cells,
wherein the cooling plate has an approximately C-shape and the accommodating portion is formed by the C-shape of the cooling plate, and
wherein at least two of the plurality of secondary battery cells are accommodated by the accommodating portion.
13 . The battery pack of claim 12 , wherein the secondary battery modules included in each of the cartridge modules are stacked in a direction of the at least one open surface.