This application relates to an energy storage device. In one embodiment, the energy storage device includes an electrode unit including first and second current collectors that are separated by a separator, first and second terminals respectively connected to the first and second current collectors and a case accommodating the electrode unit. The energy storage device also includes a flexible closure covering the case and having first and second through-holes passing therethrough and exposing the first and second terminals to the environment, wherein the flexible closure contains about 15 wt % or less of SiO.sub.2. According to some embodiments, since the weight percentage of SiO.sub.2 is significantly reduced and thus, the amount and degree of the SiO.sub.2 reduction significantly decreases, a structural deformation of the flexible closure at a microscopic level is minimized. Accordingly, a wetting phenomenon is significantly reduced, and thus the life span of an energy storage device significantly increases.

A rechargeable battery is disclosed. An embodiment of the present invention provides a rechargeable battery including: an electrode assembly in which a separator is provided between a first electrode and a second electrode; a case configured to have an opening at a side thereof to accommodate the electrode assembly; a cap assembly coupled to the opening to close and seal the case; a first electrode tab configured to extend from the first electrode and to be coupled to the case; and a second electrode tab configured to extend from the second electrode and to be coupled to the cap assembly, wherein the cap assembly includes a metal layer to which the second electrode tab is coupled, and a plastic layer stacked on an outer surface of the metal layer.

A rechargeable battery is disclosed. An embodiment of the present invention provides a rechargeable battery including: an electrode assembly in which a separator is provided between a first electrode and a second electrode; a case configured to have an opening at a side thereof to accommodate the electrode assembly; a cap assembly coupled to the opening to close and seal the case; a first electrode tab configured to extend from the first electrode and to be coupled to the case; and a second electrode tab configured to extend from the second electrode and to be coupled to the cap assembly, wherein the cap assembly includes a metal layer to which the second electrode tab is coupled, and a plastic layer stacked on an outer surface of the metal layer.

Semiconductor device package assemblies and associated methods are disclosed herein. The semiconductor device package assembly includes (1) a base component having a front side and a back side, the base component having a first metallization structure at the front side; (2) a semiconductor device package having a first side, a second side with a recess, and a second metallization structure at the first side and a contacting region exposed in the recess at the second side; (3) an interconnect structure at least partially positioned in the recess at the second side of the semiconductor device package; and (4) a thermoset material or structure between the front side of the base component and the second side of the semiconductor device package. The interconnect structure is in the thermoset material and includes discrete conductive particles electrically coupled to one another.

The present invention provides a large-capacity secondary battery, including: a rechargeable cell, a steel shell, a protection IC, an integrated IC, resistors, capacitors, an inductor, an LED lamp, a plastic part, a circular rigid FR-4 substrate, a metal cap, an insulation pad and an insulation heat shrink film, for integrating multiple functions of a constant voltage output, charge management and protection, and overcharge, overdischarge and overcurrent protection. Compared with the prior art, the large-capacity secondary battery of the present invention can achieve multi-functional integration of the battery, and also can save the space occupied by accessory structural parts of the battery and achieve a large capacity of the battery.

A battery case including: a container configured to house an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls, the bottom wall and the plurality of side walls are integrated to define a space for housing the electrode assembly and to provide a top opening opposite the bottom wall, the container includes a polymeric composition including a polymer and an inorganic moisture absorbent dispersed in the polymer, and the battery case has a water vapor transmission rate (WVTR) of less than about 0.05 grams per square meter per day, when measured at 38° C. and a relative humidity of 100% according to ISO 15106 or ASTM F1249.

The present disclosure relates to a secondary battery and a battery module. The secondary battery includes: a casing including a receiving cavity and an opening which is in communication with the receiving cavity; an electrode assembly housed in the casing; a first top cover plate, which covers the opening and is connected with the casing, the first top cover plate including an insertion portion extending into the casing and an exposed portion disposed outside the casing; and a sealing member; the casing is provided with a first through hole, the insertion portion is provided with a second through hole, the second through hole includes an inlet which is in communication with the first through hole and an outlet which is in communication with the receiving cavity, and the sealing member is connected to the casing and seals the first through hole.

A peel off assembly for exposing a safety feature comprising an aversive agent for a battery includes a first adhesive layer adhered to a base layer. Optionally, a layer comprising a colorant is disposed over and coupled to the first adhesive layer. A layer comprising a water-soluble material and an aversive agent is disposed over and coupled to the first adhesive layer. A second adhesive layer is disposed over and coupled to the layer comprising a water-soluble material. A kill strip layer is disposed between the second adhesive layer and the base layer. Optionally, a label is disposed over and coupled to the second adhesive layer. The second adhesive layer is adapted and arranged to release from the layer comprising the water-soluble material, when a peel force is applied such that the second adhesive layer and the kill strip layer are removable from the layer comprising a water-soluble material when the peel force is applied to the second adhesive layer.

The present invention relates to a secondary battery. The secondary battery includes a can configured to accommodate an electrode assembly and a cap assembly bonded to an opening of the can. The cap assembly includes an upper cap provided in the opening and connected to an electrode tab of the electrode assembly and a lower cap configured to bond the upper cap to the opening. The lower cap includes a first bonding part bonded to a bottom surface of the upper cap to support the upper cap and a second bonding part formed on an outer circumferential surface of the first bonding part to fix the upper cap while being bonded to the upper cap.

A cylindrical battery with an opening sealing body that seals an opening of a battery can. The opening sealing body includes a valve member, a metal plate disposed on an inner side of the battery with respect to the valve member, and an annular insulating member interposed between the valve member and the metal plate. The valve member and the metal plate are connected to each other at respective central portions. The valve member has an annular thin-walled portion which is deformable when an internal pressure of the battery increases, and a recessed portion is formed by the thin-walled portion on the insulating member opposing side of the valve member. The insulating member has a section P1 that covers a surface, on the valve member side, of the metal plate, and the section P1 has a rib to be housed in the recessed portion.