H01M50/636

BATTERY CELL, MANUFACTURING METHOD AND MANUFACTURING SYSTEM OF SAME, BATTERY, AND ELECTRIC DEVICE
20230045904 · 2023-02-16 ·

A battery cell includes an electrode assembly, a housing configured to accommodate the electrode assembly and having an opening, an end cover configured to close the opening of the housing, and a current collecting member configured to electrically couple the electrode assembly to the end cover. The current collecting member is at least partly located between the electrode assembly and the end cover and abuts against the electrode assembly. The current collecting member has a hole. The electrode assembly is partly accommodated in the hole and contact a hole wall of the hole.

BATTERY CELL, MANUFACTURING METHOD AND MANUFACTURING SYSTEM OF SAME, BATTERY, AND ELECTRIC DEVICE
20230045904 · 2023-02-16 ·

A battery cell includes an electrode assembly, a housing configured to accommodate the electrode assembly and having an opening, an end cover configured to close the opening of the housing, and a current collecting member configured to electrically couple the electrode assembly to the end cover. The current collecting member is at least partly located between the electrode assembly and the end cover and abuts against the electrode assembly. The current collecting member has a hole. The electrode assembly is partly accommodated in the hole and contact a hole wall of the hole.

BATTERY CELL, BATTERY, ELECTRICAL DEVICE, AND MANUFACTURING METHOD AND DEVICE FOR BATTERY CELL

A battery cell may comprise: an electrode assembly, a housing and an end cap. The electrode assembly may have a first tab. The housing may have an opening for accommodating the electrode assembly. The end cap may be configured to connect with the housing and cover the opening. The end cap may have an abutting surface and a welding groove, the abutting surface may be configured to abut against the first tab, and the welding groove may be recessed from one side of the end cap away from the electrode assembly towards the abutting surface. The end cap may form a connector between the abutting surface and the bottom surface of the welding groove, and the connector is configured for being welded with the first tab. The end cap is provided with a reinforcing structure, and the reinforcing structure is protruded from the bottom surface.

BATTERY CELL, BATTERY, ELECTRICAL DEVICE, AND MANUFACTURING METHOD AND DEVICE FOR BATTERY CELL

A battery cell may comprise: an electrode assembly, a housing and an end cap. The electrode assembly may have a first tab. The housing may have an opening for accommodating the electrode assembly. The end cap may be configured to connect with the housing and cover the opening. The end cap may have an abutting surface and a welding groove, the abutting surface may be configured to abut against the first tab, and the welding groove may be recessed from one side of the end cap away from the electrode assembly towards the abutting surface. The end cap may form a connector between the abutting surface and the bottom surface of the welding groove, and the connector is configured for being welded with the first tab. The end cap is provided with a reinforcing structure, and the reinforcing structure is protruded from the bottom surface.

End cover assembly, battery cell and electrolyte injection method therefor, battery, and power consumption device

An end cover assembly, a battery cell and an electrolyte injection method therefor, a battery, and a power consumption device are provided. The end cover assembly may include an end cover provided with a through hole for injecting an electrolyte and an accommodating portion; a seal configured to seal the through hole; and a cover body covering at least part of the seal, the cover body including a limiting portion, the limiting portion being located within the accommodating portion to restrict the cover body from separating from the end cover, and the cover body being movable together with the seal by movement of the limiting portion relative to the accommodating portion, wherein when the cover body moves to a first position, the seal covers the through hole, and when the cover body moves to a second position, the seal avoids the through hole.

BATTERY, METHOD FOR MANUFACTURING BATTERY, AND POWER CONSUMING DEVICE
20230238674 · 2023-07-27 ·

The present application relates to a battery, a method for manufacturing a battery, and a power consuming device. The battery includes at least two battery cells, wherein each of the battery cells includes electrode terminals arranged at end portions of two sides of the battery cell in a lengthwise direction, wherein a filling port for filling an electrolyte is provided in the electrode terminal on one side in the lengthwise direction of the battery cell, and the electrode terminals of the two battery cells are oppositely arranged in the lengthwise direction of the battery cells and are welded together to seal the filling ports. According to the battery of the present application, the filling port is provided in the electrode terminal, and the filling port does not occupy a space of an end cap, such that the size of the electrode terminal may be increased, thereby increasing the overcurrent area of the electrode terminal. Moreover, the entire battery is sealed directly by means of the electrode terminals without an additional sealing procedure, thereby reducing the cost and improving the production efficiency.

BATTERY, METHOD FOR MANUFACTURING BATTERY, AND POWER CONSUMING DEVICE
20230238674 · 2023-07-27 ·

The present application relates to a battery, a method for manufacturing a battery, and a power consuming device. The battery includes at least two battery cells, wherein each of the battery cells includes electrode terminals arranged at end portions of two sides of the battery cell in a lengthwise direction, wherein a filling port for filling an electrolyte is provided in the electrode terminal on one side in the lengthwise direction of the battery cell, and the electrode terminals of the two battery cells are oppositely arranged in the lengthwise direction of the battery cells and are welded together to seal the filling ports. According to the battery of the present application, the filling port is provided in the electrode terminal, and the filling port does not occupy a space of an end cap, such that the size of the electrode terminal may be increased, thereby increasing the overcurrent area of the electrode terminal. Moreover, the entire battery is sealed directly by means of the electrode terminals without an additional sealing procedure, thereby reducing the cost and improving the production efficiency.

Collapsible Storage Container for Liquid Reserve Batteries
20230231149 · 2023-07-20 · ·

A collapsible storage unit including: a plurality of triangular sidewalls at least partially defining a cavity for storing a liquid electrolyte therein; wherein the plurality of triangular sidewalls are configured to collapse in a longitudinal direction about a hinge disposed between adjacent sides of each of the plurality of triangular sidewalls.

Collapsible Storage Container for Liquid Reserve Batteries
20230231149 · 2023-07-20 · ·

A collapsible storage unit including: a plurality of triangular sidewalls at least partially defining a cavity for storing a liquid electrolyte therein; wherein the plurality of triangular sidewalls are configured to collapse in a longitudinal direction about a hinge disposed between adjacent sides of each of the plurality of triangular sidewalls.

BATTERY, BATTERY MODULE, BATTERY PACK, AND AUTOMOBILE
20230020386 · 2023-01-19 ·

This application provides a battery. The battery includes a housing and a plurality of accommodating cavities located in the housing. Two adjacent accommodating cavities are isolated by a partition plate, and an electrode core assembly comprising at least one electrode core is arranged in the accommodating cavity. A plurality of electrode core assemblies are sequentially arranged along a first direction and connected in series. A liquid guiding hole and a gas guiding hole are provided on the partition plate. The liquid guiding hole and the gas guiding hole are used to connect two adjacent accommodating cavities at both sides of the partition plate. The battery further includes a blocking mechanism that enables the liquid guiding hole to be in a settable state including an open state and a closed state.