Provided is a battery pack including: a first battery group in which a plurality of storage batteries having a battery can side surface and a battery can bottom surface linked to the battery can side surface are laminated so that the battery can side surfaces face each other; a second battery group in which a plurality of storage batteries having a battery can side surface and a battery can bottom surface linked to the battery can side surface are laminated so that the battery can side surfaces are face each other; and a case housing the first battery group and the second battery group, wherein the facing surfaces of the first battery group and the second battery group are directly or indirectly thermally connected to each other.

Provided is a battery pack including: a first battery group in which a plurality of storage batteries having a battery can side surface and a battery can bottom surface linked to the battery can side surface are laminated so that the battery can side surfaces face each other; a second battery group in which a plurality of storage batteries having a battery can side surface and a battery can bottom surface linked to the battery can side surface are laminated so that the battery can side surfaces are face each other; and a case housing the first battery group and the second battery group, wherein the facing surfaces of the first battery group and the second battery group are directly or indirectly thermally connected to each other.

A battery device for a motor vehicle, in particular an electric motor vehicle, having at least two battery cells and a power bus, which are arranged in an interior of a battery housing and can be temperature-controlled by a flowable coolant arranged in the interior. In an intermediate space between the battery cells, the power bus and a deflector element are arranged, wherein the deflector element includes at least one passage opening for the coolant, which passage opening is arranged in such a way that coolant flowing through the passage opening flows along the power bus.

In some embodiments, a heat transfer device can include a case configured to receive at least one thermal element. The case can include an integrated oscillating heat pipe. The integrated oscillating heat pipe can be integrated into at least one wall of the case. The heat transfer device can further include a heatsink element. The heatsink element is in contact with at least one wall of the case. The integrated oscillating heat pipe can have two or more layers, and can extend in three dimensions.

In some embodiments, a heat transfer device can include a case configured to receive at least one thermal element. The case can include an integrated oscillating heat pipe. The integrated oscillating heat pipe can be integrated into at least one wall of the case. The heat transfer device can further include a heatsink element. The heatsink element is in contact with at least one wall of the case. The integrated oscillating heat pipe can have two or more layers, and can extend in three dimensions.

A battery pack includes: battery cells each including first and second end portions that are opposite each other in a length direction; a case providing an accommodation space in which each battery cell and a cooling fluid for cooling the battery cell are located, the case including a first cover covering the first end portion of the battery cell, the first cover including a first terminal hole through which the first end portion of the battery cell is partially exposed; and first and second sealing members doubly surrounding the first terminal hole from an outside of the first terminal hole to block a cooling fluid leakage passage formed through the first terminal hole. Therefore, while improving heat-dissipating performance, a cooling fluid sealing structure may be provided to the battery pack to prevent cooling fluid leakage from the accommodation space in which the battery cells are accommodated.

A battery pack includes: battery cells each including first and second end portions that are opposite each other in a length direction; a case providing an accommodation space in which each battery cell and a cooling fluid for cooling the battery cell are located, the case including a first cover covering the first end portion of the battery cell, the first cover including a first terminal hole through which the first end portion of the battery cell is partially exposed; and first and second sealing members doubly surrounding the first terminal hole from an outside of the first terminal hole to block a cooling fluid leakage passage formed through the first terminal hole. Therefore, while improving heat-dissipating performance, a cooling fluid sealing structure may be provided to the battery pack to prevent cooling fluid leakage from the accommodation space in which the battery cells are accommodated.

A battery cell cooling assembly for a vehicle comprising a cooling vessel having a coolant flow path between an inlet and outlet, cell apertures exterior to the flow path, a first directional directing coolant from the inlet into laterally spaced first sub-channels, a second directional receiving coolant from the first sub-channels and directing it into laterally spaced second sub-channels, the first sub-channels extending transversely between the cell apertures and aligned longitudinally between first aperture ends and second aperture ends of the cell apertures, the second sub-channels extending transversely between the cell apertures and aligned longitudinally between the first sub-channels and the second aperture ends, wherein the first sub-channels provide a first thermal pass by each of the plurality of cell apertures and the second sub-channels provide a second thermal pass by each of the same plurality of cell apertures for temperature control of the cells during operation.

A battery pack includes: battery cells each including first and second end portions that are opposite each other in a length direction; a case providing an accommodation space in which each battery cell and a cooling fluid for cooling the battery cell are located, the case including a first cover covering the first end portion of the battery cell, the first cover including a first terminal hole through which the first end portion of the battery cell is partially exposed; and first and second sealing members doubly surrounding the first terminal hole from an outside of the first terminal hole to block a cooling fluid leakage passage formed through the first terminal hole. Therefore, while improving heat-dissipating performance, a cooling fluid sealing structure may be provided to the battery pack to prevent cooling fluid leakage from the accommodation space in which the battery cells are accommodated.

A battery pack includes: battery cells each including first and second end portions that are opposite each other in a length direction; a case providing an accommodation space in which each battery cell and a cooling fluid for cooling the battery cell are located, the case including a first cover covering the first end portion of the battery cell, the first cover including a first terminal hole through which the first end portion of the battery cell is partially exposed; and first and second sealing members doubly surrounding the first terminal hole from an outside of the first terminal hole to block a cooling fluid leakage passage formed through the first terminal hole. Therefore, while improving heat-dissipating performance, a cooling fluid sealing structure may be provided to the battery pack to prevent cooling fluid leakage from the accommodation space in which the battery cells are accommodated.