Disclosed is an energy storage device, including a device body, an electric connector and an insulating member. The device body has a positive electrode region and a negative electrode region which are insulated from each other, a part of the electric connector is connected with the positive electrode region or the negative electrode region and another part of the electric connector protrudes outward from the device body, and the insulating member is provided on the electric connector and/or the device body and configured to prevent the device from shorting. (FIG. 1)

Embodiments of the present disclosure provide a battery, which includes a plurality of energy storage units; and a connecting portion that connects the plurality of energy storage units together in parallel, where the connecting portion is made of a flexible material. The embodiments of the present disclosure further provides a display panel, which includes the above battery and a flexible display module, where the battery is provides on a back side of the flexible display module, the battery is electrically connected with the flexible display module for providing power to the flexible display module.

Disclosed are a power battery, a busbar component of the power battery and a method thereof. The busbar component comprises a busbar assembly. The busbar assembly comprises a busbar body, a first insulating layer and a second insulating layer. The busbar body is connected with one side of the first insulating layer facing a battery cell module, is integrated with a sampling line, and the sampling line is manufactured by a mechanical cutting and unloading process. The second insulating layer is attached to the first insulating layer and covers the sampling line, and the second insulating layer and the busbar body are on a same side of the first insulating layer and are arranged in a staggered manner. The cost is lowered, the process cycle of product is shortened, the production efficiency is improved, the applicability gets wider, the production process and the assembling process are simplified.

Disclosed are a power battery, a busbar component of the power battery and a method thereof. The busbar component comprises a busbar assembly. The busbar assembly comprises a busbar body, a first insulating layer and a second insulating layer. The busbar body is connected with one side of the first insulating layer facing a battery cell module, is integrated with a sampling line, and the sampling line is manufactured by a mechanical cutting and unloading process. The second insulating layer is attached to the first insulating layer and covers the sampling line, and the second insulating layer and the busbar body are on a same side of the first insulating layer and are arranged in a staggered manner. The cost is lowered, the process cycle of product is shortened, the production efficiency is improved, the applicability gets wider, the production process and the assembling process are simplified.

A busbar for use in mechanically and electrically connecting components in a device or system. The busbar includes a plurality of conductors arranged to provide two opposed end portions and an intermediate portion, wherein each of the conductors has a plurality of intermediate extents that traverse the intermediate portion. The intermediate portion including: (A) an unfused segment where no intermediate extents of the conductors are fused together to form a single consolidated conductor, and (B) a fused segment that includes (i) a partial solidification zone where a majority of the intermediate extents of the conductors are fused together to form a partially solidified region that provides a single consolidated conductor, (ii) a full solidification zone where all of intermediate extents of the conductors are fused together to form a fully solidified region that provides a single consolidated conductor, and (iii) an unsolidified region where all of the intermediate extents of the conductors are not fused together.

A busbar that comprises an insulative portion that covers at least a portion of an electrically conductive body is provided. The insulative portion comprises a polymer composition that includes a polymer matrix containing a liquid crystalline polymer. The composition exhibits a comparative tracking index of about 125 volts or more as determined in accordance with IEC 60112:2003 at a thickness of 3 millimeters, and a deflection temperature under load of about 200° C. or more as determined according to ISO 75-2:2013 at a specified load of 1.8 MPa.

According to an embodiment of the disclosure, a battery module for an electric vehicle comprises a module case, a plurality of battery cells installed in the module case, a plurality of sensing busbars installed on one side surface of the module case and electrically connecting the plurality of battery cells, and a plurality of power busbars electrically connected with a first end and a second end, respectively, of the plurality of sensing busbars.

According to an embodiment of the disclosure, a battery module for an electric vehicle comprises a module case, a plurality of battery cells installed in the module case, a plurality of sensing busbars installed on one side surface of the module case and electrically connecting the plurality of battery cells, and a plurality of power busbars electrically connected with a first end and a second end, respectively, of the plurality of sensing busbars.

A laminated busbar assembly includes one or more busbars that are configured to be electrically coupled to a plurality of battery cells, one or more insulative layers arranged adjacent to the one or more busbars, and a steel layer arranged between the one or more busbars and the plurality of battery cells. The steel layer is configured to shield the one or more busbars from a thermal event associated with one or more battery cells of the plurality of battery cells. The thermal event may include a debris, hot gas, sparks, embers, or other emanations. Each of the battery cells each include a respective venting end, where electrical terminals are located, that face the steel layer. The laminated busbar is a stack of layers that can include two busbars that form a DC bus, with insulation arranged between the busbars and between the steel layer and the proximal busbar.

A battery includes: a plurality of solid-state battery cells; and a connection layer located between the solid-state battery cells. Each of the solid-state battery cells has a structure in which a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer including an inorganic solid electrolyte, a negative electrode active material layer, and a negative electrode current collector are laminated in this order. The solid-state battery cells are electrically connected in series. The positive electrode current collector of one of a pair of the solid-state battery cells and the negative electrode current collector of the other of the pair of the solid-state battery cells are laminated via the connection layer, the pair of the solid-state battery cells are adjacent solid-state battery cells among the solid-state battery cells. The connection layer includes a conductive material, and the Young's modulus of the connection layer is lower than the Young's moduli of the positive electrode current collector, the positive electrode active material layer, the solid electrolyte layer, the negative electrode active material layer, and the negative electrode current collector.