An assembly is provided that may include a battery, and an end cap mechanically and electrically coupled to the battery. The end cap may contain an electrical connector with at least one electric cable configured to supply current to at least one operating system electrically coupled to the battery. The end cap may also contain at least one electronic board coupled to the battery, and may be configured to detach from the battery to provide access to the electrical connector and the electronic board.

Disclosed is a battery cell, which includes a battery case, a battery assembly accommodated in the battery case, an electrode lead electrically connected to the battery assembly and configured to protrude out of the battery case, an electrode tab disposed in the battery case and configured to protrude from the battery assembly to connect the electrode lead and the battery assembly, and a tab protection unit configured to at least partially surround an outer surface of the battery case corresponding to a portion where the electrode tab is disposed.

A battery pack includes a housing and multiple electrode core strings electrically connected to each other and disposed in the housing. The housing includes a housing body which includes sub-housings connected to each other. A sub-housing includes at least one reinforcing plate and a top plate and a bottom plate oppositely arranged in a first direction. The reinforcing plate is arranged between and is connected to the top plate and the bottom plate, and divides an interior of the corresponding sub-housing into multiple accommodating cavities. At least one accommodating cavity includes at least one electrode core string which includes electrode core assemblies connected and arranged in a second direction. The electrode core assemblies are disposed in an encapsulation film. A length of the electrode core string extends in the second direction. The housing includes a mounting component that is configured to be connected and fixed to an external load.

A battery pack includes a housing and multiple electrode core strings electrically connected to each other and disposed in the housing. The housing includes a housing body which includes sub-housings connected to each other. A sub-housing includes at least one reinforcing plate and a top plate and a bottom plate oppositely arranged in a first direction. The reinforcing plate is arranged between and is connected to the top plate and the bottom plate, and divides an interior of the corresponding sub-housing into multiple accommodating cavities. At least one accommodating cavity includes at least one electrode core string which includes electrode core assemblies connected and arranged in a second direction. The electrode core assemblies are disposed in an encapsulation film. A length of the electrode core string extends in the second direction. The housing includes a mounting component that is configured to be connected and fixed to an external load.

A battery cell transfer apparatus capable of preventing short circuit in or damage to a battery cell during transfer of the battery cell includes two jigs configured to press and fix opposite surfaces of a battery cell and an electrode tab protector configured to prevent occurrence of short circuit as the result of an electrode tab coming into contact with the jigs or a peripheral device during transfer of the battery cell. The electrode tab protector includes an electrode tab insertion portion configured to allow the electrode tab to be inserted thereinto and a fixing portion configured to fix the electrode tab protector.

A battery cell transfer apparatus capable of preventing short circuit in or damage to a battery cell during transfer of the battery cell includes two jigs configured to press and fix opposite surfaces of a battery cell and an electrode tab protector configured to prevent occurrence of short circuit as the result of an electrode tab coming into contact with the jigs or a peripheral device during transfer of the battery cell. The electrode tab protector includes an electrode tab insertion portion configured to allow the electrode tab to be inserted thereinto and a fixing portion configured to fix the electrode tab protector.

A battery cell includes an electrode assembly including a plurality of electrode tabs, an electrode lead to which the plurality of electrode tabs are connected, a protective member accommodating a welded portion to which the plurality of electrode tabs and the electrode lead are welded therein, and a case accommodating the electrode assembly and the protective member therein, wherein the protective member includes a first cover disposed on one side of the welded portion and a second cover disposed on the other side of the welded portion and coupled to the first cover.

A battery cell includes an electrode assembly including a plurality of electrode tabs, an electrode lead to which the plurality of electrode tabs are connected, a protective member accommodating a welded portion to which the plurality of electrode tabs and the electrode lead are welded therein, and a case accommodating the electrode assembly and the protective member therein, wherein the protective member includes a first cover disposed on one side of the welded portion and a second cover disposed on the other side of the welded portion and coupled to the first cover.

The present disclosure provides a battery core assembly, a battery, a battery pack, and a vehicle. The battery core assembly includes an encapsulation film and an electrode core assembly encapsulated in the encapsulation film. The electrode core assembly includes an electrode core assembly body and two electrode lead-out members of opposite polarities electrically connected to the electrode core assembly body. The electrode core assembly body includes at least two electrode cores connected in parallel. Each of the electrode cores includes an electrode core body and two tabs of opposite polarities that are electrically connected to the electrode core body. The electrode core assembly body further includes a tab support. The two electrode lead-out members are respectively electrically connected to one of the tab supports located two sides of the electrode core assembly body in a first direction.

A battery core assembly includes an encapsulation film and multiple electrode core assemblies disposed in the encapsulation film. The electrode core assemblies are connected to form an electrode core string, and each of the electrode core assemblies includes at least one electrode core. A spacer is disposed between two adjacent electrode core assemblies, the first spacer divides an accommodating space inside the encapsulation film into multiple accommodating cavities, cavity walls of the accommodating cavities includes the first spacer and the encapsulation film connected to the first spacer, and the electrode core assemblies are respectively accommodated in the accommodating cavities. The first spacer includes at least one first liquid reservoir, and the at least one first liquid reservoir communicates with one of accommodating cavities on both sides of the first spacer.