An apparatus for shipping or storage of Li-ion batteries comprises a sealable outer bag fabricated from heat-resistant, permeable fabric, a first flexible thermal runaway shield (“TRS”) fabricated from low-permeability film configured to line a first inside surface of the outer bag, a second flexible TRS fabricated from low-permeability film configured to line a second inside surface of the outer bag, and at least one Li-ion battery configured to be disposed between the first flexible TRS and the second TRS of the sealable outer bag to provide a sealed outer bag.

The disclosed technology relates to a busbar and thermal cut-off device (TCO) sub-assembly. The sub-assembly may be configured to be connected to a first battery cell and a second battery cell. The sub-assembly may comprise a first busbar configured to electrically connect the first battery cell to the second battery cell when the sub-assembly is connected to the first battery cell and the second battery cell. The sub-assembly may comprise a first TCO connected directly to the first busbar. The sub-assembly may not extend above a top surface of the first battery cell when the sub-assembly is connected to the first battery cell.

The disclosed technology relates to a busbar and thermal cut-off device (TCO) sub-assembly. The sub-assembly may be configured to be connected to a first battery cell and a second battery cell. The sub-assembly may comprise a first busbar configured to electrically connect the first battery cell to the second battery cell when the sub-assembly is connected to the first battery cell and the second battery cell. The sub-assembly may comprise a first TCO connected directly to the first busbar. The sub-assembly may not extend above a top surface of the first battery cell when the sub-assembly is connected to the first battery cell.

A coating agent composition for polyurethane foam is provided. The coating agent may not only exhibit adhesive properties suitable for an automated process for producing a battery pack, but also has a uniform surface and has excellent durability and reliability in a severe environment. Polyurethane foam using the coating agent composition is also provided. Specifically, coating agent composition for polyurethane foam includes a (meth)acrylate-based monomer, an urethane acrylate, a photoinitiator, and inorganic fine particles, wherein a content of the inorganic fine particles is 100 parts by weight to 500 parts by weight based on 100 parts by weight of the photoinitiator.

A coating agent composition for polyurethane foam is provided. The coating agent may not only exhibit adhesive properties suitable for an automated process for producing a battery pack, but also has a uniform surface and has excellent durability and reliability in a severe environment. Polyurethane foam using the coating agent composition is also provided. Specifically, coating agent composition for polyurethane foam includes a (meth)acrylate-based monomer, an urethane acrylate, a photoinitiator, and inorganic fine particles, wherein a content of the inorganic fine particles is 100 parts by weight to 500 parts by weight based on 100 parts by weight of the photoinitiator.

A mobile power source that has a battery pack including at least two battery cell assemblies each having frame that has a first support member and a second support member, each of the first and second support members including a plurality of cylindrical recesses that receive the plurality of battery cells to support the battery cells. Bus bars are coupled to the first support member via injection molding and each is configured to electrically connect to at least two battery cells. The bus bars each include an elongated conductive body that has a base and fingers extending laterally away from the base. Each of the fingers extend within a first plane, and the base extends within a second plane that is parallel to the first plane and offset therefrom.

A mobile power source that has a battery pack including at least two battery cell assemblies each having frame that has a first support member and a second support member, each of the first and second support members including a plurality of cylindrical recesses that receive the plurality of battery cells to support the battery cells. Bus bars are coupled to the first support member via injection molding and each is configured to electrically connect to at least two battery cells. The bus bars each include an elongated conductive body that has a base and fingers extending laterally away from the base. Each of the fingers extend within a first plane, and the base extends within a second plane that is parallel to the first plane and offset therefrom.

An electricity storage module according to the present invention is provided with: a plurality of arranged cylindrical electricity storage devices; and an upper holder which holds the upper end parts of the plurality of electricity storage devices, while being provided with a plurality of containing parts that is formed of a thermoplastic resin. The upper holder comprises an upper support member which is formed of a thermosetting resin and supports electricity storage devices adjacent to each other, while being positioned between the adjacent electricity storage devices. In comparison to the thermoplastic resin, the thermosetting resin is not susceptible to deformation or melting event if heat is applied thereto.

An electricity storage module according to the present invention is provided with: a plurality of arranged cylindrical electricity storage devices; and an upper holder which holds the upper end parts of the plurality of electricity storage devices, while being provided with a plurality of containing parts that is formed of a thermoplastic resin. The upper holder comprises an upper support member which is formed of a thermosetting resin and supports electricity storage devices adjacent to each other, while being positioned between the adjacent electricity storage devices. In comparison to the thermoplastic resin, the thermosetting resin is not susceptible to deformation or melting event if heat is applied thereto.

A battery module having a plurality of battery cells and a first housing element (21) and a second housing element (22) is disclosed. The housing elements together form an interior space (9) in which the plurality of battery cells is accommodated, and are each formed from a metal material, the first housing element (21) having a projection (31) and the second housing element (22) having an indentation (32), the projection (31) engaging in the indentation (32). On a side facing away from the interior space, the first housing element (21) has a first weld region (41) and the second housing element (22) has a second weld region (42), the first weld region (41) and the second weld region (42) being connected to one another by welding.