An air-cooled energy storage module including a box body, a plurality of support beams, a baffle plate, a plurality of battery modules, an axial fan, and an end cover. The box body is a hollow structure including a first side plate, a second side plate, a bottom plate, and an opening formed by the first side plate, the second side plate, and the bottom plate. The axial fan is disposed on the first side plate. The plurality of support beams is disposed apart on the bottom plate longitudinally; a longitudinal direction refers to a direction along a connection line of the first side plate and the second side plate. The baffle plate is disposed on the plurality of support beams; and a space is disposed between the baffle plate and the bottom plate of the box body for air circulation.

An air-cooled energy storage module including a box body, a plurality of support beams, a baffle plate, a plurality of battery modules, an axial fan, and an end cover. The box body is a hollow structure including a first side plate, a second side plate, a bottom plate, and an opening formed by the first side plate, the second side plate, and the bottom plate. The axial fan is disposed on the first side plate. The plurality of support beams is disposed apart on the bottom plate longitudinally; a longitudinal direction refers to a direction along a connection line of the first side plate and the second side plate. The baffle plate is disposed on the plurality of support beams; and a space is disposed between the baffle plate and the bottom plate of the box body for air circulation.

A power storage device includes: a modular structure including at least one power storage module, the power storage module having an electrode stacked body and a sealing member, the electrode stacked body having bipolar electrodes, and the sealing member sealing a side surface of the electrode stacked body; a pair of restraint members disposed at both ends of the modular structure in the first direction to apply a restraint load to the modular structure; and a first intermediate member interposed between the restraint member and the modular structure to transmit the restraint load from the restraint member to the modular structure, wherein the first intermediate member includes a first package that is deformable according to the restraint load and a fluid that is enclosed in the first package.

A battery heat exchange structure in which a battery cell 41 and a heat exchange panel 42 are closely arranged side by side so that a heat exchange surface 421 of the heat exchange panel 42 follows a side surface 411 of the battery cell 41, the heat exchange panel 42 is formed so that a heat exchange fluid F can be recirculated along the heat exchange surface 421, and the heat exchange panel 42 and the battery cell 41 are elastically urged so as to be compressed in the arrangement direction. This battery heat exchange structure can increase heat exchange efficiency between the heat exchange panel and the battery cell and can increase the stability of heat exchange.

A battery module including: a battery cell stack including a plurality of battery cells, a housing for the battery cell stack, a heat sink on a bottom portion of the housing, and a cooling port for supplying a refrigerant to the heat sink, wherein the housing includes a housing protrusion portion on the bottom portion of the housing, and the housing protrusion portion includes a first housing protrusion portion and a second housing protrusion portion that are located to be spaced apart from each other on one side of the housing. The cooling port includes a refrigerant injection port and a refrigerant discharge port, and each of the refrigerant injection port and the refrigerant discharge port is disposed on the first housing protrusion portion and the second housing protrusion portion, respectively.

A battery module including: a battery cell stack including a plurality of battery cells, a housing for the battery cell stack, a heat sink on a bottom portion of the housing, and a cooling port for supplying a refrigerant to the heat sink, wherein the housing includes a housing protrusion portion on the bottom portion of the housing, and the housing protrusion portion includes a first housing protrusion portion and a second housing protrusion portion that are located to be spaced apart from each other on one side of the housing. The cooling port includes a refrigerant injection port and a refrigerant discharge port, and each of the refrigerant injection port and the refrigerant discharge port is disposed on the first housing protrusion portion and the second housing protrusion portion, respectively.

A battery module includes a housing, assembled from a first side wall, a second side wall, a first end plate, and a second end plate, is configured to support a plurality of battery cells. The battery module also includes a heating pad and a cooling plate that are configured to regulate a thermal state of the plurality of battery cell. The heating pad is disposed substantially adjacent to the plurality of battery cells and the cooling plate is disposed adjacent to the heating pad opposite the plurality of battery cells. A controller associated with the battery module is configured receive an indication of battery temperature and active one of the heating pad or the cooling plate based at least on the battery temperature of the plurality of battery cells.

A battery module includes a housing, assembled from a first side wall, a second side wall, a first end plate, and a second end plate, is configured to support a plurality of battery cells. The battery module also includes a heating pad and a cooling plate that are configured to regulate a thermal state of the plurality of battery cell. The heating pad is disposed substantially adjacent to the plurality of battery cells and the cooling plate is disposed adjacent to the heating pad opposite the plurality of battery cells. A controller associated with the battery module is configured receive an indication of battery temperature and active one of the heating pad or the cooling plate based at least on the battery temperature of the plurality of battery cells.

A main object of the present disclosure is to provide a battery module capable of restraining heat conductivity among battery cells in rising temperature. The present disclosure achieves the object by providing a battery module including a plurality of a battery cell arranged along with a thickness direction, the battery module including: an elastic member between the battery cell neighboring; a thermally expandable resin composition body is arranged in the elastic member; in a plan view along with the thickness direction, the resin composition body is arranged to include a center of the battery cell; a temperature at which the resin composition body starts to expand is 80° C. or more; and heat conductivity after expansion of the resin composition body is 0.5 W/m.Math.K or less.

A battery pack for an electric vehicle or a hybrid vehicle may include a housing, a stack of battery cells disposed within the housing, and a cooling subassembly. The housing typically holds the cell stack together, and the cooling subassembly typically cools the cell stack to prevent damage to the battery cells and to maintain the performance of the battery cells. The cooling subassembly may include a cold plate defining a liquid flow channel and one or more thermoelectric devices (TEDs) that are operable to cool the cell stack when current is supplied thereto. Heat spreaders may be employed within the battery pack, and exemplary configurations of components to thermally and mechanically couple the cooling subassembly are described.