A battery core and a battery are provided. The battery core includes a plate, a separator, a tab, and an insulating support portion. The tab is connected with the plate. The insulating support portion is arranged on an end of the plate and supports the tab. The tab extends through the insulating support portion and extends outward.

A battery core and a battery are provided. The battery core includes a plate, a separator, a tab, and an insulating support portion. The tab is connected with the plate. The insulating support portion is arranged on an end of the plate and supports the tab. The tab extends through the insulating support portion and extends outward.

A secondary cell is disclosed, comprising a first end plate and a second end plate. The first end plate comprises a contacting tab configured to provide an electrical contact between a first electrode of an electrode assembly and a first terminal, as well as a first spacer arrangement arranged between the first end plate and the electrode assembly and configured to secure the electrode assembly in a length direction. The second end plate comprises a current collector and a second spacer arrangement, wherein the second spacer arrangement is arranged to secure the electrode assembly in the length direction and the current collector to secure the electrode assembly in a direction orthogonal to the length direction. A method for assembling such a cell is also disclosed.

Embodiments of the present application disclose a battery cell, a battery, a power consumption device, a method and an apparatus for producing a battery cell. The power consumption device is equipped with the battery, the battery has one or more battery cells, where the battery cell includes: a housing, with a cylindrical accommodating cavity; and an electrode assembly, arranged in the accommodating cavity, and a projection of the electrode assembly along a height direction of the battery cell is a polygon. Even if the electrode assembly in the battery cell expands after charging and discharging, there is still a remaining space between the electrode assembly and an inner wall of the housing, thereby preventing an outer circumferential surface of the electrode assembly from being pressed by the housing, and the remaining space can allow the electrode assembly to expand to avoid a problem of performance degradation of the battery cell.

A method for manufacturing an energy storage device according to one aspect of the present invention includes inserting an electrode assembly into a case while causing an insulating member having a sheet-like shape to follow a surface of the electrode assembly in which electrodes are layered. The insulating member includes a first portion corresponding to a first surface of the electrode assembly in a first direction which is a direction of a short side surface of the case and a thickness direction of the electrode assembly, a second portion corresponding to a first end surface which is an end surface of the electrode assembly in a second direction orthogonal to the first direction, a third portion corresponding to a second surface of the electrode assembly in the first direction, and a first extending portion extending from the first portion.

The present disclosure provides a structural unit cell, and an all-solid-state battery stack in which the structural unit cells are layered, whereby it is possible to inhibit dislocation during stacking and short circuiting. The structural unit cell comprises a first current collector layer, a first active material layer, a solid electrolyte layer, a second active material layer and a second current collector layer stacked in that order, and having an insulation frame which is disposed surrounding the outer periphery of the first active material layer, and is bonded to the first current collector layer and/or second current collector layer, wherein, as seen from the stacking direction, the first active material layer is disposed on the inner side of the outer periphery of the second active material layer, and the insulation frame has its inner periphery on the inner side of the outer periphery of the second active material layer.

The present disclosure provides a structural unit cell, and an all-solid-state battery stack in which the structural unit cells are layered, whereby it is possible to inhibit dislocation during stacking and short circuiting. The structural unit cell comprises a first current collector layer, a first active material layer, a solid electrolyte layer, a second active material layer and a second current collector layer stacked in that order, and having an insulation frame which is disposed surrounding the outer periphery of the first active material layer, and is bonded to the first current collector layer and/or second current collector layer, wherein, as seen from the stacking direction, the first active material layer is disposed on the inner side of the outer periphery of the second active material layer, and the insulation frame has its inner periphery on the inner side of the outer periphery of the second active material layer.

A battery includes a housing and multiple electrode core assemblies disposed in the housing. Two adjacent electrode core assemblies are connected in series, each of the electrode core assemblies includes an encapsulation film and one electrode core, and the one electrode core is disposed in an accommodating cavity formed by the encapsulation film. Each of the electrode core assemblies includes a first electrode and a second electrode protruding out of the encapsulation film for leading out a current, a first electrode of a first electrode core assembly is connected to a second electrode of the a second electrode core assembly of the two adjacent electrode core assemblies, a gap between the two adjacent electrode core assemblies is filled with an insulating material to form an insulating spacer between the two adjacent electrode core assemblies, and a connection part of the two adjacent electrode core assemblies is arranged in the insulating spacer.

A battery includes a housing and multiple electrode core assemblies disposed in the housing. Two adjacent electrode core assemblies are connected in series, each of the electrode core assemblies includes an encapsulation film and one electrode core, and the one electrode core is disposed in an accommodating cavity formed by the encapsulation film. Each of the electrode core assemblies includes a first electrode and a second electrode protruding out of the encapsulation film for leading out a current, a first electrode of a first electrode core assembly is connected to a second electrode of the a second electrode core assembly of the two adjacent electrode core assemblies, a gap between the two adjacent electrode core assemblies is filled with an insulating material to form an insulating spacer between the two adjacent electrode core assemblies, and a connection part of the two adjacent electrode core assemblies is arranged in the insulating spacer.

An electrode core assembly includes an encapsulation film, and an electrode core and a spacer that are disposed in an accommodating cavity defined by the encapsulation film. The electrode core includes an electrode core body and two electrode lead-out members that are electrically connected to the electrode core body. The length of the electrode core body extends along a first direction. Each of two opposite ends of the electrode core body in the first direction includes a V-shaped end in a cross-sectional view with a tip protruding outward from the electrode core body. The two electrode lead-out members are connected to the electrode core body at the tips of the two V-shaped ends. The spacer includes an inclined portion disposed on one of the V-shaped ends and has an electrode lead-out hole penetrating through the spacer and being configured to allow the electrode lead-out member to pass through.