Present embodiments disclosure discloses a battery module, which includes a plurality of battery cells, a busbar, a cover member, an insulator member positioned between the plurality of battery cells, and a casing element enclosing all the above. The cover member positioned above the busbar. The cover member includes an elongated body defining a first major surface and a second major surface, where the second major surface is defined with a plurality of grooves. The cover member also includes a plurality of dimples are defined along at least one of the first major surface and the second major surface. Further, at least one dimple of the plurality of dimples melt and form an aperture when at least one battery cell of the battery module undergoes a thermal runaway, to fluidly connect the first major surface with the plurality of grooves.

A terminal busbar includes a coupling portion that is approximately in the shape of a plate having a small thickness relative to a length and a width, and a terminal portion that is bent in a vertical direction at one end of the coupling portion. The coupling portion includes a first metal layer, a material layer and a second metal layer stacked in a sequential order along an extension direction of the terminal portion, the material layer is conductive in a normal condition, but can act as resistance when temperature rises, and the material layer includes a gas generating material that decomposes at a predetermined temperature or above to produce gas, which increases resistance. The first metal layer is integrally formed with the terminal portion, and the second metal layer provides a connect surface with an electrode lead of the battery cell.

A terminal busbar includes a coupling portion that is approximately in the shape of a plate having a small thickness relative to a length and a width, and a terminal portion that is bent in a vertical direction at one end of the coupling portion. The coupling portion includes a first metal layer, a material layer and a second metal layer stacked in a sequential order along an extension direction of the terminal portion, the material layer is conductive in a normal condition, but can act as resistance when temperature rises, and the material layer includes a gas generating material that decomposes at a predetermined temperature or above to produce gas, which increases resistance. The first metal layer is integrally formed with the terminal portion, and the second metal layer provides a connect surface with an electrode lead of the battery cell.

A power storage module includes a plurality of power storage devices and a bus bar electrically connecting the plurality of power storage devices. Each power storage device has a housing and a pair of output terminals disposed on a first surface of the housing. The bus bar has the plurality of terminal connections connected to the output terminals of each power storage device, and a linking part connecting the plurality of terminal connections. Each terminal connection part has a first part connected to each output terminal and a second part continuous from the first part and extending along a second surface spreading in a direction intersecting the first surface of the housing. Each linking part has a third part that connects the second parts of the adjacent terminal connections to each other.

To provide a battery module with high volumetric efficiency. A battery module comprising stacked and connected unit cells each comprising a power generation element, a cathode terminal, and an anode terminal disposed on the opposite side of the cathode terminal of the power generation element, wherein a connection laminate layer including a resin layer, a metal layer and a resin layer in this sequence, is disposed between the unit cells, and wherein the metal layer of the connection laminate layer is electrically connected to the cathode terminal of one adjacent unit cell and the anode terminal of the other unit cell.

To provide a battery module with high volumetric efficiency. A battery module comprising stacked and connected unit cells each comprising a power generation element, a cathode terminal, and an anode terminal disposed on the opposite side of the cathode terminal of the power generation element, wherein a connection laminate layer including a resin layer, a metal layer and a resin layer in this sequence, is disposed between the unit cells, and wherein the metal layer of the connection laminate layer is electrically connected to the cathode terminal of one adjacent unit cell and the anode terminal of the other unit cell.

A battery module includes a cell stack body in which a plurality of battery cells are stacked; and a module case accommodating the cell stack body therein having a first surface and a second surface, opposite to the first surface. The module case includes an upper case disposed on one side of the cell stack body; a lower case disposed on the other side of the cell stack body and coupled to the upper case; and a module fastening portion for coupling the battery module to an external structure, wherein the module fastening portion is disposed closer to the first surface of the module case than to the second surface of the module case, and wherein a case fastening portion coupling the upper case and the lower case together is disposed closer to the second surface of the module case than to the first surface of the module case.

A battery module includes a cell stack body in which a plurality of battery cells are stacked; and a module case accommodating the cell stack body therein having a first surface and a second surface, opposite to the first surface. The module case includes an upper case disposed on one side of the cell stack body; a lower case disposed on the other side of the cell stack body and coupled to the upper case; and a module fastening portion for coupling the battery module to an external structure, wherein the module fastening portion is disposed closer to the first surface of the module case than to the second surface of the module case, and wherein a case fastening portion coupling the upper case and the lower case together is disposed closer to the second surface of the module case than to the first surface of the module case.

Disclosed is a battery module, which includes: a plurality of battery cells stacked on one another; a cell housing configured to accommodate the plurality of battery cells; and a cover bus bar configured to cover an entire upper side of the cell housing and including electrode connection layers. The cover bus bar may be electrically connected to electrodes of the plurality of battery cells through the electrode connection layers. The electrode connection layers may be arranged in a layered structure.

A silicone composite for high temperature insulation applications is disclosed. The composite is formed of a silicone and a thermally decomposable inorganic filler which are compounded together. The compounded material is then injection molded, overmolded, compression molded, cast, laminated, extruded, or dispensed. When the silicone composite is exposed to a high temperature, it forms an inorganic composite and maintains its insulating properties and dimensional stability.