An adapter may include a first adapter and a second adapter disposed discretely. The first adapter may be configured to be connected to one of an electrode post or a tab. The second adapter may be configured to be connected to the other of the electrode post or the tab. The first adapter may substantially extend along a first direction. The second adapter may substantially extend along a second direction. The first direction may intersect the second direction. The first adapter may be connected to the second adapter by a conductive structure.

An adapter may include a first adapter and a second adapter disposed discretely. The first adapter may be configured to be connected to one of an electrode post or a tab. The second adapter may be configured to be connected to the other of the electrode post or the tab. The first adapter may substantially extend along a first direction. The second adapter may substantially extend along a second direction. The first direction may intersect the second direction. The first adapter may be connected to the second adapter by a conductive structure.

Disclosed is a compact secondary battery module, which includes a cartridge assembly having a plurality of cartridges stacked while accommodating cells, respectively, so that a plurality of lead welding portions where a first lead and a second lead of adjacent cells overlap with each other are located at a cartridge sidewall with a predetermined pattern; and a sensing housing having a plurality of bus bars located and welded corresponding to the lead welding portions, respectively, the sensing housing being capable of being arranged at a side of the cartridge assembly, wherein when the sensing housing is coupled to the cartridge assembly, the first lead, the second lead and the bus bar are located in order from the sidewall of the cartridge in an outer direction and welded from the bus bar.

The present application relates to a technical filed of energy storage devices, and particularly relates to a battery pack. The battery pack includes: a plurality of battery modules, in which each battery module includes a plurality of unit batteries electrically connected to each other, and output electrodes are arranged at joints of each of the battery modules in a height direction and in a length direction; a flexible electrical connection member, electrically connected to the output electrode, and arranged at an end of the battery module in the length direction; a fixing member, arranged on an outside of the flexible electrical connection member to fix the flexible electrical connection member on the battery module.

A battery system includes a battery block having a plurality of square battery cells (1) stacked in one direction, parallel connection bus bars (5X), insulating plate (7), and lid plate (8) fixed to insulating plate (7). Each square battery cell (1) has a discharge port provided with discharge valve (14) and a sealing plate provided with positive and negative electrode terminals via an insulating material. Parallel connection bus bars (5X) are connected to the electrode terminals to connect some or all of square battery cells (1) in parallel. Insulating plate (7) is disposed on the surfaces of sealing plates of the plurality of square battery cells (1) and includes passing portions having openings provided at positions corresponding to the discharge ports to pass the exhaust gas ejected from the discharge ports and pressing portions (22) disposed between parallel-connection bus bars (5X) and the sealing plates. Lid plate (8) faces discharge ports facing the openings of the passing portions.

A battery system includes a battery block having a plurality of square battery cells (1) stacked in one direction, parallel connection bus bars (5X), insulating plate (7), and lid plate (8) fixed to insulating plate (7). Each square battery cell (1) has a discharge port provided with discharge valve (14) and a sealing plate provided with positive and negative electrode terminals via an insulating material. Parallel connection bus bars (5X) are connected to the electrode terminals to connect some or all of square battery cells (1) in parallel. Insulating plate (7) is disposed on the surfaces of sealing plates of the plurality of square battery cells (1) and includes passing portions having openings provided at positions corresponding to the discharge ports to pass the exhaust gas ejected from the discharge ports and pressing portions (22) disposed between parallel-connection bus bars (5X) and the sealing plates. Lid plate (8) faces discharge ports facing the openings of the passing portions.

A battery cell according to the present disclosure can include a battery case that has an electrode assembly mounted therein. The battery case can include a sealing part having a structure in which the outer peripheral side is sealed by heat fusion. An electrode lead that is electrically connected to the electrode tab can be included in the electrode assembly. The electrode lead can protrude outward from the battery case via the sealing part. A lead film can be located between the electrode lead and the sealing part. A protective member can be in contact with at least a part of an outer surface of the electrode lead. The size of the protective member can vary based on the temperature of the electrode lead.

Proposed is a battery pack. The battery pack includes a battery module in which an internal terminal is exposed at an opening part, and a flame blocking unit which is connected to the internal terminal via the opening part and which transmits electric power of the internal terminal to the outside, the flame blocking unit covering the opening part so that a flame generated inside the battery module is blocked from being emitted. The battery module may include a battery assembly including a plurality of battery cells, a busbar assembly including the internal terminal which is connected to the battery assembly and which transmits electric power, and a casing which accommodates the battery assembly and the busbar assembly therein and in which the opening part is formed. By this configuration, thermal runaway of the battery module may be blocked or delayed, so stability of the battery pack may be increased.

A high voltage distribution system is provided with multiple fuses. The high voltage distribution system includes multiple laminated busbars that are electrically coupled to a battery and to the multiple fuses. Busbars are electrically coupled to the one or more fuses via electrical connections between the busbars and the fuses. The electrical connections can pass through other busbars without having an electrical coupling to the other busbars. An insulating layer may be used between the busbars to prevent overcurrent events. The configuration, size, and position of each busbar is selected based on the electrical requirements of components that are electrically coupled to the busbar and based on the prevention of overcurrent events.

A high voltage distribution system is provided with multiple fuses. The high voltage distribution system includes multiple laminated busbars that are electrically coupled to a battery and to the multiple fuses. Busbars are electrically coupled to the one or more fuses via electrical connections between the busbars and the fuses. The electrical connections can pass through other busbars without having an electrical coupling to the other busbars. An insulating layer may be used between the busbars to prevent overcurrent events. The configuration, size, and position of each busbar is selected based on the electrical requirements of components that are electrically coupled to the busbar and based on the prevention of overcurrent events.