A secondary battery includes a bare cell including an electrode assembly, an electrode tab drawn upwardly from the electrode assembly, and a pouch surrounding the electrode assembly, the electrode tab being exposed to an outside through the pouch, a protection circuit module (PCM) connected to the electrode tab, a case holder disposed between the pouch and the PCM to support the PCM, a case top on the bare cell, the PCM and the case holder being covered by the case top, a case bottom at a bottom side of the bare cell, and a plate attached to a side surface of the bare cell, the plate being coupled to the case top and the case bottom.

The present disclosure provides an embodiment of an integrated structure that includes a first electrode of a first conductive material embedded in a first semiconductor substrate; a second electrode of a second conductive material embedded in a second semiconductor substrate; and a electrolyte disposed between the first and second electrodes. The first and second semiconductor substrates are bonded together through bonding pads such that the first and second electrodes are enclosed between the first and second semiconductor substrates. The second conductive material is different from the first conductive material.

The present invention provides an electrode assembly in which a negative electrode coated with a negative electrode active material on a surface of a negative electrode collector, a separator, and a positive electrode coated with a positive electrode active material on a surface of a positive electrode collector are repeatedly laminated, the electrode assembly comprising: monocells in which the positive electrode, the separator, the negative electrode, and the separator are laminated, wherein at least two or more monocells are laminated, wherein, in any one of the monocells, an expansion part extending lengthily to one side is formed on the separators, and the expansion part of the separator surrounds the monocells laminated to be disposed at the outermost layers to fix the laminated monocells. Furthermore, the present invention provides an electrode assembly in which a negative electrode coated with a negative electrode active material on a surface of a negative electrode collector, a separator, and a positive electrode coated with a positive electrode active material on a surface of a positive electrode collector are repeatedly laminated, the electrode assembly comprising: monocells in which the positive electrode, the separator, the negative electrode, and the separator are sequentially laminated, wherein at least two or more monocells are laminated, wherein each of the two or more monocells of the monocells comprises a positive electrode extension part, in which a positive electrode collector extends lengthily to one side, and a negative electrode extension part, in which a negative electrode collector extends lengthily to the other side, and the positive electrode extension part and the negative electrode extension part are respectively bonded to a positive electrode extension part and a negative electrode extension part to fix the laminated monocells.

A power storage system includes a power storage element; and a voltage detecting unit configured to detect an output voltage of the power storage element. The power storage element and the voltage detecting unit are formed by integrally forming structural materials of the power storage element and the voltage detecting unit on the same base material, without any point bonding portions formed by solder mounting.

Disclosed is a flexible secondary battery comprising a lithium metal coated wire, a positive electrode wire spirally wound around an outer surface of the lithium metal coated wire, spaced apart at a predetermined interval, the positive electrode wire including a first porous coating layer formed on an outer surface, and a negative electrode wire spirally wound around the outer surface of the lithium metal coated wire in an alternating manner with the wound positive electrode wire corresponding to the predetermined interval, the negative electrode wire including a second porous coating layer formed on an outer surface.

A method for using an integrated battery and device structure includes using two or more stacked electrochemical cells integrated with each other formed overlying a surface of a substrate. The two or more stacked electrochemical cells include related two or more different electrochemistries with one or more devices formed using one or more sequential deposition processes. The one or more devices are integrated with the two or more stacked electrochemical cells to form the integrated battery and device structure as a unified structure overlying the surface of the substrate. The one or more stacked electrochemical cells and the one or more devices are integrated as the unified structure using the one or more sequential deposition processes. The integrated battery and device structure is configured such that the two or more stacked electrochemical cells and one or more devices are in electrical, chemical, and thermal conduction with each other.

A method for integrating a thin film microbattery with electronic circuitry includes forming a release layer over a handler, forming a thin film microbattery over the release layer of the handler, removing the thin film microbattery from the handler, depositing the thin film microbattery on an interposer, forming electronic circuitry on the interposer, and sealing the thin film microbattery and the electronic circuitry to create individual microbattery modules.

The present invention is a method for manufacturing a secondary battery. An electrode assembly and an electrolyte are accommodated into a body of a battery case. The body of the battery case has an accommodation part and a gas pocket part, and a passage that extends from the accommodation part to the outside discharges an internal gas from the accommodation part through the gas pocket part. The battery case is seated in a seating step on a support block, which has an inclined part on a side surface thereof, to support the battery case. The body is pressed to discharge a gas accommodated in the accommodation part through the gas pocket part in the battery case. This method allows easy discharging of internal gas while reducing discharge of the electrolyte with the gas.

Microbatteries and methods for forming microbatteries are provided. The microbatteries and methods address at least one or both of edge sealing issues for edges of a stack forming part of a microbatteries and overall sealing for individual cells for microbatteries in a batch process. A transferable solder molding apparatus and sealing structure are proposed in an example to provide a metal casing for a solid-state thin-film microbattery. An exemplary proposed process involves deposition or pre-forming low-temperature solder casing separately from the microbatteries. Then a thermal compression may be used to transfer the solder casing to each battery cell, with a handler apparatus in a batch process in an example. These exemplary embodiments can address the temperature tolerance constrain for solid state thin film battery during handling, metal sealing, and packaging.

The present invention relates to a pouch-shaped battery case manufacturing method including (a) locating a laminate sheet for pouch-shaped battery cases on a lower press die, (b) pressing the laminate sheet using an upper press die to form an electrode assembly receiving portion, (c) forming a venting guide portion in the bottom of the electrode assembly receiving portion, and (d) separating a pouch-shaped battery case having the electrode assembly receiving portion and the venting guide portion formed therein from the lower press die.