Abstract: This application provides a battery module and an assembling method thereof. The battery module includes batteries and busbar components. The batteries are arranged consecutively along a longitudinal direction of the battery module. Each battery includes a first electrode terminal and a second electrode terminal. The busbar components are connected to the batteries. The batteries include a first battery and a second battery. The first electrode terminal of the first battery and the first electrode terminal of the second battery are arranged along the longitudinal direction. The busbar components include a first busbar component, and the first busbar component includes a first part, a second part, and a third part.

Abstract: At least one example embodiment discloses a cartridge for an electronic vapor (e-vapor) apparatus. The cartridge includes a pre-vapor formulation compartment configured to hold a solution therein and a first connector element configured to connect the cartridge to a power section of the e-vapor apparatus. The first connector element includes a processing device configured to communicate with the power section.

Abstract: A battery module includes: a cell assembly including at least one battery cell; a module case accommodating the cell assembly; and a module connector mounted outside the module case, electrically connected to the cell assembly, and configured to connect to an external connector outside the module case. A coupling surface of the module connecter may have a first fastening part opened in at least one direction, and a corresponding coupling surface outside the module case may have a second fastening part opened bidirectionally so as to be inserted into the first fastening part in a first direction or in a second direction opposite thereto.

Abstract: The application relates to a battery module, a battery pack and a vehicle. The battery module includes: secondary batteries, in which two or more secondary batteries are arranged side by side in an arrangement direction; a busbar arranged on a top of the secondary batteries and electrically connected to at least two of the secondary batteries; a sampling assembly including a sampling circuit board arranged on the top of the secondary batteries and a sampling leg extending from the sampling circuit board toward the busbar, the sampling leg and the busbar being welded to form a welded zone; a connector, the sampling leg and the busbar being connected by the connector, the connector being located at a side of the welded zone close to the sampling circuit board.

Abstract: A positive electrode terminal is inserted into a current-collector through hole formed, in a positive electrode current collector and riveted in a spot-faced hole formed in the positive electrode current collector. A protrusion is formed on a bottom surface of the spot-faced hole so as to extend around the current-collector through hole, and a riveted portion of the positive electrode terminal covers the protrusion. The riveted portion of the positive electrode terminal is weld-connected to an edge of the spot-faced hole.

Abstract: A method for connecting an energy storage module to a module support, in particular a cooling element, The energy storage module is fastened on the module support by multiple connecting screws, which are each screwed into threaded bores provided on the module support. A gap is provided between the bottom of the energy storage module and the bottom of the module support, into which a thermally-conductive compound is introduced, which is distributed to fill the gap due to a reduction of the gap width when the energy storage module is screwed down.

Abstract: The invention provides a blower. The blower includes: a main body extending in a longitudinal direction, a battery pack supporting member arranged on the main body, and a battery pack arranged on the battery pack supporting member, the battery pack supporting member is separable with respect to the main body, which includes a body forming a battery pack receiving portion and a mounting portion being coupled with the main body, the battery pack supporting member and the battery pack are detachably coupled to the main body. According to the blower of the invention, the battery pack supporting member is engaged with the main body, and a single battery pack or a dual battery packs can be installed by installing battery pack supporting members with different structures on the main body of the blower, which facilitates the switching between the single battery pack and the dual battery packs.

Abstract: Provided is a power supply device in which the reliability of a voltage output is improved, and also provided is a system comprising the power supply device and an electric tool. The power supply device (1) is provided with: a secondary battery cell (2a); an output unit connected to an electric tool and supplying the power of the secondary battery cell (2a) to the electric tool; and switching elements (Q1), (Q2) capable of interrupting a current path from the secondary battery cell (2a) to the electric tool. The switching element (Q1) switches whether or not to interrupt the current path not by being controlled by a control circuit (12) but in accordance with whether the electric tool connected to the output unit has a shorting bar (59) or not.

Abstract: Provided is a power supply device in which the reliability of a voltage output is improved, and also provided is a system comprising the power supply device and an electric tool. The power supply device (1) is provided with: a secondary battery cell (2a); an output unit connected to an electric tool and supplying the power of the secondary battery cell (2a) to the electric tool; and switching elements (Q1), (Q2) capable of interrupting a current path from the secondary battery cell (2a) to the electric tool. The switching element (Q1) switches whether or not to interrupt the current path not by being controlled by a control circuit (12) but in accordance with whether the electric tool connected to the output unit has a shorting bar (59) or not.

Abstract: This application provides a connecting assembly, a battery module, a battery pack, a device, and a manufacturing method. The connecting assembly includes an insulation board and a busbar. The insulation board includes a hollow portion, a first side, and a second side. The busbar includes a first busbar and a second busbar. The first busbar is disposed on the first side of the insulation board. The second busbar is disposed from the second side into the hollow portion of the insulation board. The battery module includes a battery cell and a module frame. The battery cell is accommodated in the module frame. A device using a battery cell as a power supply includes: a power source configured to provide a driving force for the device; and a battery module configured to provide electrical energy to the power source.

Abstract: Detachable auxiliary power systems are disclosed. In some embodiments, the power system comprises a housing with a cavity, and a detachable portion configured to be received into the cavity. The detachable portion includes a power source such as a rechargeable battery, and may include additional electrical circuits to manage the charge and discharge of the battery. The housing includes a cable for electrically connecting the housing to an external electrical system, such as a vehicle electrical system. When the detachable portion is inserted into the housing, it is electrically connected to the cable, and so able to be charged from the external electrical system, and selectively provide power from the power source to the external electrical system, such as for jump-starting a vehicle.

Abstract: A measuring assembly for measuring a temperature and a voltage includes a contact element including a temperature sensor and an electrically conductive portion, a voltage measurement conductor electrically connected to the conductive portion of the contact element, and an electrically conductive fixation element electrically connected to the conductive portion of the contact element, the electrically conductive fixation element extending through a fixation hole of a busbar in a fixed state to connect to the busbar by an elastic force provided by the electrically conductive fixation element in the fixed state, and the electrically conductive fixation element pressing the contact element to a measuring surface of the busbar by the elastic force in the fixed state.

Abstract: Provided a battery cell having a plurality of electrodes and a battery module using the same. In order to configure the battery module only by connections of the electrodes without including a separate bus bar and improve the degree of freedom of the connections, the battery cell having cathode terminals and anode terminals protruding to the outside includes: a plurality of electrode terminals selected from the cathode terminals or the anode terminals and formed on both sides of the battery cell opposing each other. The battery cell having the plurality of electrodes and the battery module formed is various forms according to a layout of a vehicle using the same may be configured.

Abstract: A method arranges a contact element on a battery cell of a battery layer of a battery stack for a battery device of a vehicle. Further, a contact element for a battery cell of a battery layer of a battery stack for a battery device of a device includes a contact plate section, a transition section and a positive pole section. The contact plate section surrounds the transition section and the transition section surrounds the positive pole section. The contact plate section and the positive pole section are arranged at a distance to one another and in parallel or at least substantially in parallel. Still further, battery stack having at least one battery layer with at least one battery cell includes a contact element that is arranged on the battery cell.

Abstract: A capacitor includes a capacitor element having an end surface and a peripheral surface, an electrode disposed on the end surface, and a bus bar connected to the electrode. The bus bar includes a bus bar main body and at least one electrode connection terminal part provided at an edge part of the bus bar main body. The at least one electrode connection terminal part includes a connecting part and an elastic shape part. The connecting part is connected to the electrode at a tip of the at least one electrode connection terminal part. The elastic shape part is disposed between the edge part and the connecting part. The elastic shape part has a shape that is elastically deformable so that the elastic shape part shrinks in accordance with thermal expansion of the bus bar main body, and the elastic shape part extends in accordance with thermal shrinkage of the bus bar main body.

Abstract: A bus bar module includes an insulating resin case mounted to an assembled battery and including a bus bar accommodating chamber, a conductive metal bus bar, and a voltage detection terminal. The assembled battery includes a plurality of cells in which a positive terminal and a negative terminal are alternately arranged. The positive terminal and the negative terminal are collectively disposed in the bus bar accommodating chamber. The conductive metal bus bar includes a plurality of terminal through holes corresponding to a number of the positive terminal and the negative terminal. The conductive metal bus bar is accommodated in the bus bar accommodating chamber.

Abstract: According to an embodiment, a secondary battery system includes a secondary battery, a calculator, and a controller. The secondary battery includes a first electrode including a first and second active materials, and a second electrode including a third active material. The calculator calculates a current ratio of currents passing through the first and second active materials for each of different values of a charge amount of the first electrode, based on capacities and capacity-versus-potential properties of the first and second active materials. The controller, based on the capacities of the first and second active materials and the current ratio when the charge amount of the first electrode takes a first value, controls the current passing through the secondary battery when the charge amount indicates the first value.

Abstract: The present disclosure relates to the field of energy storage device, and particularly relates to an electrode member, an electrode assembly and a secondary battery. The electrode member comprises an electrode body and a conductive structure. The conducting layer comprises a first portion having an active material and a second portion extending from the first portion; the second portion comprises a main portion and a transition portion, the transition portion is provided between the main portion and the first portion, and a width of the transition portion is larger than a width of the main portion. The conductive structure is welded with the second portion and extends along a direction away from the first portion, and at least a part of a welding region formed by the second portion and the conductive structure is positioned at the transition portion.

Abstract: A battery module improves electric connection between an electrode lead of a secondary battery and a bus bar. In detail, the battery module includes a plurality of pouch-type secondary batteries; and a bus bar contacted to at least two of first electrode leads and second electrode leads of the secondary batteries, wherein the bus bar includes at least two metal plates contacted and connected to at least two of the first electrode leads and the second electrode leads of at least two secondary batteries; and a main frame coupled to the metal plates, wherein at least one of the metal plates has a different kind of metal material from a material of the main frame.

Abstract: An activation device for a battery for an electronic ignition mechanism has an ampoule filled with an electrolyte and a device for breaking the ampoule. The breaking device contains two leaf spring elements, which are fixed with a prestress on a component in the housing interior and between which the ampoule is clamped. At least the leaf spring element which supports the ampoule on the bottom side snaps from a first shape into a second shape when a force due to acceleration is applied.

Abstract: A battery module includes a plurality of battery cells stacked on one another and respectively having electrode leads protruding on at least one side thereof and a bus bar assembly configured to electrically connect the electrode leads of the plurality of battery cells and having at least one lead slot through which electrode leads of two battery cells adjacent to each other pass in common.

Abstract: A control scheme for controlling power sharing among a plurality of parallel connected DC voltage sources is disclosed. Each of the DC voltage sources in parallel connection is an independent DC power system, which can be an suitable DC power supply that can provide power to a load. By way of example, the present disclosure describes a DC power system that includes a power source, an energy storage unit and a triple active bridge converter that provides power to the common load. Each independent DC power system has its own controller that shares a DC bus with the other DC power system controllers. Each controller executes non-transitory instructions to provide a reference voltage V* to its respective independent DC power system and implements a control scheme that changes the voltage reference to ensure that each independent DC power system only provides a certain share of the load current/power.

Abstract: A battery connection system includes a conductor configured to connect with a battery that has a post. An inner clamp element has a wall that is shaped to mate with the post and that defines a hollow interior and an exterior. The wall has a notch defining a void in the wall. An outer clamp element mates with the exterior of the wall of the inner clamp element to reduce the size of the void to secure the conductor to the battery.

Abstract: A battery module includes a plurality of batteries stacked together, and a busbar. Each of the plurality of batteries includes a battery-side first structure and a battery-side second structure that regulate the connection of the battery and the busbar. The busbar has a busbar-side first structure and a busbar-side second structure that regulate the connection of the busbar and each of the batteries. If the battery-side first structures of the plurality of batteries are combined with the busbar-side first structure, and the battery-side second structures of the plurality of batteries are combined with the busbar-side second structure, each of the batteries is connected with the busbar. Alternatively, if the battery-side first structure of any one of the batteries is combined with the busbar-side second structure, the one of the batteries or another one of the batteries is not connected with the busbar.

Abstract: The invention provides an electrode piece, a cell and an energy storage device. The electrode piece is used to form the cell, comprising: a current collector; a diaphragm; and a groove. Among them, the current collector exposed at the bottom of the groove is a blank current collector, and the blank current collector is formed with a connecting portion; the connecting portion is cut out from the blank current collector as a part of the blank current collector and bent on the blank current collector along the width direction; and at least a portion of the connecting portion extends beyond the outer edge of the current collector in the width direction. The electrode piece of the invention can increase the energy density of the cell and the connection strength of the blank current collector of the electrode tab and the electrode piece, and reduce the production cost.

Abstract: The present disclosure is directed to methods and embedding battery tab attachment structures within composites of electrode active materials and carbon nanotubes, which lack binder and lack collector foils, and the resulting self-standing electrodes. Such methods and the resulting self-standing electrodes may facilitate the use of such composites in battery and power applications.

Abstract: Aspects disclosed herein provide a fusible link system and/or method configured to protect an electrical system/circuit, e.g., a battery comprising a plurality of cells, from a current overload. To that end, the fusible link system comprises a conductive substrate and one or more first terminals that electrically connected to the conductive substrate. Each of the one or more first terminals comprises one or more structural properties configured to maintain an electrical connection with the conductive substrate when a current load on the first terminal is less than a predetermined maximum and sever the electrical connection with the conductive substrate when the current load on the first terminal equals or exceeds the predetermined maximum.

Abstract: A terminal busbar includes a first busbar portion having a coupling plate, and a second busbar portion having a top plate portion, and a fusible member coupled to and between the coupling plate and the top plate portion. The fusible member has a first portion with a groove or an aperture disposed therein. The terminal busbar further includes an overmolded thermoplastic layer encapsulating the first portion of the fusible member and the groove or the aperture. A thickness of the overmolded thermoplastic layer both above and underneath the fusible member is greater than a thickness of the fusible member to prevent secondary arcing.

Abstract: A fuse module including a mounting block formed of an electrically insulating material, a fuse plate including a fusible element disposed on a bottom surface of the mounting block, a fuse terminal electrically connected to the fusible element and extending along rear and top surfaces of the mounting block, and an input terminal electrically connected to the fusible element and extending from a front surface of the mounting block, the fuse module further including an electrically conductive terminal post extending from the top surface of the mounting block through the fuse terminal for facilitating connection to an electrical component.

Abstract: A voltage detection terminal holding structure includes a bus bar holding part and the voltage detection terminal held in the bus bar holding part. The voltage detection terminal includes an electric connection part configured to be connected to a bus bar, a wire connection part configured to be connected to an electric wire, and a temporary fixing part. The temporary fixing part is formed between the electric connection part and the wire connection part. The temporary fixing part is temporarily fixed to the bus bar holding part in a state that a movement in a axis direction in an end of the electric wire connected to the wire connection part is regulated and in a state that a displacement in a perpendicular direction to the axis direction and a rotation around the axis direction are allowed.

Abstract: A fuse module including a mounting block formed of an electrically insulating material, the mounting block including a rear wall extending from a base, a fuse plate including an electrically conductive bus bar disposed on a bottom of the base, a fusible element electrically connected to the bus bar and disposed adjacent a rear of the rear wall, and a fuse terminal electrically connected to the fusible element and extending over a top of the rear wall, along a front of the rear wall, and onto a top of the base, the fuse module further including an electrically conductive terminal post extending from the top of the base through the fuse terminal for facilitating connection to an electrical component.

Abstract: A battery pack includes: a plurality of battery cells; a first end plate on an outer side of a first battery cell of the plurality of battery cells that is arranged at an outermost side of the plurality of battery cells; and a first end block between the first end plate and the first battery cell, the first end block includes: a frame portion on an inner side of the first end block and facing the first battery cell, the frame portion surrounding edge portions of the first battery cell; and an end portion on an outer side which is a side opposite to that of the first battery cell, the end portion surrounding a bushing member, and the bushing member includes: fixing portions surrounded by the end portion; and an exposed portion exposed from the end portion to define a welded portion with the first end plate.

Abstract: A battery pack is disclosed. The battery pack includes one or more battery assemblies and a circuit board connected to the battery assemblies. The battery assembly includes first and second battery cells having the predetermined surfaces overlaid on each other. The first and second battery cells each have battery elements accommodated in a container thereof, and cathode terminals and anode terminals are provided at a same height as the predetermined surfaces at a same side. The cathode terminal and anode terminal of the first battery cell are adjacent respectively to the cathode terminal and anode terminal of the second battery cell.

Abstract: A battery vent cap gang includes a plurality of vent caps. A primary member is operably coupled to each of the plurality of vent caps. A first translation member is operably coupled to a first one of the plurality of vent caps and spaced from the primary member in a first direction. A second translation member is operably coupled to a second one of the plurality of the vent caps and spaced from the primary member in a second direction. An actuator is operably coupled to the primary member, the first translation member, and the second translation member to cause substantially simultaneous rotational movement of the plurality of vent caps.

Abstract: A lock mechanism includes: a lock portion that protrudes from a ceiling wall (wall portion) of a cover and has a locking claw provided on a tip side; a lock receiving portion provided in a case and formed with a locking hole; and a flexible deformation portion which is a portion of a predetermined range in the vicinity of the lock portion on the ceiling wall (wall portion) of the cover and has flexibility higher than a portion outside the predetermined range, and is bent such that the lock portion is tilted so that the locking claw gets over an edge of the locking hole when the locking claw is locked to the locking hole, and after the locking, biases the lock portion in a pulling direction that pulls the locking claw together with the locking hole by a restoring force of bending.

Abstract: A connection module to be assembled to a power storage element stack including power storage element arrays in each of which power storage elements including electrode terminals of a positive electrode and a negative electrode are arranged. The connection module includes: a plurality of bus bars that electrically connects the electrode terminals between the adjacent power storage elements; a plurality of bus bar housing parts each housing each of the bus bars; a plurality of first hinge linking parts that links the bus bar housing parts and expands and contracts in a direction where the power storage elements are arranged; a plurality of inter-array bus bars that electrically connects the electrode terminals of power storage element arrays; a plurality of inter-array bus bar housing parts each housing each of the inter-array bus bars; and angle adjusting part adjusting an inclination angle of each of the inter-array bus bar housing part.

Abstract: Provided is a connection module for electrically connecting a plurality of power storage modules having a plurality of power storage elements, the connection module including: connection module-side wires; a bus bar that electrically connects the adjacent power storage modules; and an insulation protector having: an arrangement groove which extends along a first direction and in which the connection module-side wires are arranged; and a bus bar holding part that holds the bus bar. The bus bar has: a main body part that extends in the first direction; and extension parts that extend from the main body part in a second direction that intersects with the first direction, and the extension parts are disposed to extend over and across the arrangement groove.

Abstract: The present application relates to a cathode, an electrochemical device and an electronic device including the same. The cathode includes: a cathode current collector, a first cathode active material layer, a second cathode active material layer and an insulating layer; where the first cathode active material layer covers a first portion of a first surface of the cathode current collector, and the insulating layer covers a second portion of the first surface of the cathode current collector that is different from the first portion, where a first distance exists between the insulating layer and the first cathode active material layer in a longitudinal direction of the cathode current collector.

Abstract: A battery includes a first power generation element, a first outer cover body which encloses the first power generation element, and a first planar electrode having, as principal surfaces, a first connecting surface and a first protruding surface opposite the first connecting surface. The first connecting surface is electrically connected to the first power generation element. The first outer cover body includes a first covering portion provided with a first opening. The first protruding surface protrudes from the first opening toward an outside of the first covering portion. The first covering portion is joined to at least one of the first planar electrode and the first power generation element.

Abstract: A wiring module having a second protector is provided with a rear-side first latching portion and a front-side first latching portion that are elastically deformable. A cover is provided with a rear-side restraining portion and a front-side restraining portion. The rear-side restraining portion is disposed within a deflection space for the rear-side first latching portion, and restrains elastic deformation of the rear-side first latching portion. The front-side restraining portion is disposed within a deflection space for the front-side first latching portion, and restrains elastic deformation of the front-side first latching portion.

Abstract: A battery mounting structure and an electronic device having the same is provided. The electronic device includes a housing including a first plate that faces a first direction, a second plate that faces a second direction opposite to the first direction, and a side member that surrounds a space between the first and second plates, a printed circuit board (PCB) disposed in the space of the housing, a battery that at least partially faces the PCB, a bracket that surrounds at least one face of the battery, and an elastic structure disposed between the battery and the bracket and located on an edge region of the battery. The elastic structure may include an elastic member, a first adhesive member disposed on a first face of the elastic member that faces the first direction, and a second adhesive member disposed on a second face that faces the second direction.

Abstract: An automotive battery clamp that attaches to the terminals of a battery includes: a clamp housing; two terminal contacts extending from the clamp housing and in contact with the battery terminals; either electrical contact pads secured in two electrical contact openings in a surface of the clamp housing or electrical prongs secured in the clamp housing; two conductive lines inside the clamp housing, each conductive line electrically connecting a terminal contact with either an electrical contact pad or an electrical prong; whereby a source of charging current can be applied to the automotive battery terminals via either the electrical contact openings or the electrical prongs.

Abstract: The present disclosure relates to a composite end plate and a battery module. The composite end plate comprises a first rigid plate having a first surface and a second surface opposite to each other in a thickness direction of the first rigid plate, and comprising a first end portion, a first intermediate portion and a second end portion continuously distributed in a length direction of the first rigid plate; and a second rigid plate comprising a first free end, a second intermediate portion and a second free end continuously distributed in the length direction, wherein the first rigid plate and the second rigid plate are made of different materials, the second intermediate portion is disposed opposite to the first surface, the first free end is connected to the first end portion, and the second free end is connected to the second end portion.

Abstract: A bus bar module includes a plurality of bus bars, each of which connects adjacent electrodes in a plurality of batteries so as to connect the plurality of batteries in series, the plurality of batteries being arranged such that the electrodes thereof are aligned in a straight line, a terminal connected to each of the bus bars; and a casing that accommodates the plurality of bus bars and the plurality of terminals. The casing includes a routing groove configured to route an electric wire in the arrangement direction, the electric wire being to be connected to the terminal. The routing groove includes an absorbing portion formed to be swollen such that a groove width dimension of a part thereof is made larger than a groove width dimension of the other part thereof, whereby the absorbing portion absorbs an extra length portion of the electric wire.

Abstract: Provided is a cell connection unit for a battery module. The cell connection unit includes: a substrate accommodating electrode terminals of the battery module; an electronic unit; a connector connected to the electronic unit; and an electronic circuit electrically connecting at least one of the electrode terminals of the battery module to the electronic unit via the connector. The connector includes a fixed electrical connector and a plurality of fixation connectors.

Abstract: A bus bar module includes a plurality of bus bars in which a plurality of battery cells of a battery assembly electrically connect to each other, a plurality of electric wires electrically connected to the plurality of bus bars, and an electric wire routing structure that accommodates the plurality of electric wires. The electric wire routing structure includes a plurality of electric wire routing grooves formed in an upwardly opening gutter shape and disposed along an overlapping direction of the plurality of battery cells, and a plurality of lids connected to first side walls of the plurality of electric wire routing grooves via hinges so as to be rotatable and covering the plurality of electric wire routing grooves so as to block groove openings of the plurality of electric wire routing grooves, respectively.

Abstract: Provided herein is a method of manufacturing a nanoscale coated network, which includes providing nanofibers, capable of forming a network in the presence of a liquid vehicle and providing a nanoscale solid substance in the presence of the liquid vehicle. The method may also include forming a network of the nanofibers and the nanoscale solid substance and redistributing at least a portion of the nanoscale solid substance within the network to produce a network of nanofibers coated with the nanoscale solid substance. Also provided herein is a nanoscale coated network with an active material coating that is redistributed to cover and electrochemically isolate the network from materials outside the network.

Abstract: The present disclosure provides a battery module, which comprises a battery group, two end plates and two side plates. Each end plate has X direction groove portions respectively formed to two ends of the end plate in the X direction. Each side plate has: a body portion positioned at one of the two ends of the battery group in the X direction; and inserting portions respectively extending from two ends of the body portion in the Y direction toward the X direction. The inserting portions of each side plate are respectively inserted into the corresponding X direction groove portions of the end plates to limit relative movement between each side plate and the end plates in the Y direction to make each side plate and the end plates fixed and connected. Strength of the battery module is improved and the possibility in connection failure of the battery module is reduced.

Abstract: A tapered busbar for an energy storage device is provided. The tapered busbar is configured to interconnect with a first row of series-connected energy storage cells in a battery module at a first end of the busbar. As the busbar tapers from a first cross-sectional area at the first end to a larger second cross-sectional area at a second opposite end, the busbar is configured to interconnect with sequentially additional electrically-parallel rows of series-connected energy storage cells. The tapered cross-sectional area of the busbar provides a substantially uniform current density at any point along the length of the busbar regardless of the number of rows of energy storage cells connected before or after the point.

Abstract: A power storage device includes a positive electrode part including a first metallic foil layer and a positive electrode active material layer partially laminated on one surface of the first metallic foil layer, a negative electrode part including a second metallic foil layer and a negative electrode active material layer partially laminated on one surface of the second metallic foil layer, and a separator arranged between the positive electrode part and the negative electrode part. The positive electrode active material layer is arranged between the first metallic foil layer and the separator, and the negative electrode active material layer is arranged between the second metallic foil layer and the separator. The peripheral regions of the one surfaces of the first and second metallic foil layers in which the positive and negative electrode active material layers are not formed are joined via a peripheral sealing layer containing a thermoplastic resin.