Gong, Jinping

A battery device (100), an energy storage device (1), an energy storage system, an electric device, and a charging network are disclosed. A parallel unit (20) of the battery device (100) includes a plurality of pouch battery cells (21) connected in parallel, a parallel circuit is provided between at least two pouch battery cells (21), one thermally conductive housing (10) correspondingly accommodates the plurality of pouch battery cells (21) in one parallel unit (20), a series unit (30) includes the pouch battery cells (21) connected in series to form the series circuit and separately located in a plurality of parallel units (20), and a current limiter (40) is provided in any of the parallel circuits and is located outside the series circuit to limit the current in the corresponding parallel circuit (20).

Disclosed are a battery apparatus (100) and an electric apparatus. The battery apparatus includes a case (10), a pouch battery cell assembly (20), and an electrical member (60), where the pouch battery cell assembly (20) includes a plurality of pouch battery cells (30) arranged along a first direction, each pouch battery cell (30) is bonded to the case (10) and includes a packaging bag (31) and electrode leads (33), and the electrode leads (33) are respectively disposed at end parts of the packaging bag (31) along a second direction; all the electrode leads (33) of the plurality of pouch battery cells (30) of the pouch battery cell assembly (20) located at the same side are sequentially arranged along the first direction, and along a third direction, an accommodating gap (201) is formed between a plurality of electrode leads (33) and an end part of the pouch battery cell assembly (20); the electrical member (60) is disposed in the accommodating gap (201) and electrically connected to the electrode leads (33); every two of the first direction, the second direction, and the third direction are arranged at an included angle to each other.

Provided is a battery apparatus including a plurality of pouch battery cells (10) sequentially stacked and electrically connected and a wrapping shell (20) wrapped outside the plurality of pouch battery cells (10) and configured to restrain the plurality of pouch battery cells (10) at least from three directions, a strength of the wrapping shell (20) being higher than a strength of a flexible shell of the pouch battery cell (10), where a thickness of a plate of the wrapping shell (20) for restraining the plurality of pouch battery cells (10) is less than or equal to 5.2 mm and greater than or equal to 0.2 mm.

A battery cell assembly (20), a battery apparatus (100), and an electric apparatus (1000). The battery cell assembly (20) includes: a plurality of pouch battery cells (30) sequentially electrically connected. The pouch battery cell (30) includes a housing (31), an electrode assembly (32), and electrode leads (33). The electrode assembly (32) is disposed within the housing (31), the electrode leads (33) are electrically connected to the electrode assembly (32), and at least a portion of the electrode lead (33) is exposed outside the housing (31). The electrode leads (33) of two adjacent pouch battery cells (30) are directly connected.

A battery apparatus (100), an energy storage apparatus (1), an energy storage system (1000), an electric apparatus, and a charging network (2000) are disclosed. The battery apparatus (100) includes an energy unit (70). The energy unit (70) includes a housing (71) and a pouch battery cell (20), where the pouch battery cell (20) is located in the housing (71), and the pouch battery cell (20) includes a pouch housing (21), an electrode assembly, and an electrode lead-out portion (22); the electrode assembly is sealed in the pouch housing (21); the electrode lead-out portion (22) is at least partially located in the pouch housing (21) to be connected to the electrode assembly; and the pouch housing (21) is provided with a sealing portion (211) at an end portion in a first direction, and the electrode lead-out portion (22) is at least partially exposed from the sealing portion (211). The battery apparatus (100) further includes a liquid collection structure (30), where the liquid collection structure (30) is correspondingly disposed at an end portion of the pouch battery cell (20) in the energy unit (70) in the first direction, and the liquid collection structure (30) is located below the sealing portion (211).

Disclosed are a battery apparatus (100) and an electric device (200). A U-shaped enclosing shell (21) is adhesively connected to a case (10) through an adhesive layer (12), and busbar supports (23) are disposed on the U-shaped enclosing shell (21) and are each connected to the U-shaped enclosing shell (21) through a connecting part (231). The U-shaped enclosing shell (21) is provided with a pressure relief part (2111), a shear strength of the connecting part (231) is greater than a first preset value, where the first preset value is greater than or equal to 0.1 Mpa, and an adhesive strength of the adhesive layer (12) is greater than a second preset value, where the second preset value is greater than or equal to 1 Mpa.

A battery cell (100), a battery apparatus (200), and an electric device (300) are provided. The battery cell (100) includes a flexible housing (10) and an electrode assembly (20). The electrode assembly (20) is disposed in the flexible housing (10), where the flexible housing (10) has a side surface (11) opposite a large surface of the electrode assembly (20), and a circumferential surface (12) avoiding the large surface, the circumferential surface (12) and the side surface (11) are connected along circumference of the electrode assembly (20), and at least the circumferential surface (12) is provided with a pressure relief region (121).

A battery apparatus, an electric apparatus, and a method for processing a battery apparatus are provided, and pertain to the field of battery technologies. The battery apparatus includes multiple battery cell groups, where the multiple battery cell groups are stacked in a first direction, and each battery cell group includes at least one pouch cell; and each of the battery cell groups located between two ends in the first direction has one terminal in a second direction electrically connected to the battery cell group upstream in the first direction, and the other terminal in the second direction electrically connected to the battery cell group downstream in the first direction; where a flexible bent conductive structure is formed at a connection position of the two interconnected battery cell groups, and the first direction and the second direction are arranged at an angle.

Disclosed are a battery apparatus and an electric device. The battery apparatus includes a case and a battery module, and the case has an accommodating cavity and a discharge cavity. The discharge cavity is provided around an outer peripheral side of the accommodating cavity, and the discharge cavity is in communication with the accommodating cavity via a communication hole. The battery module is disposed within the accommodating cavity, and includes a housing and a plurality of pouch battery cells accommodated in the housing. The housing has a weak part configured to release internal pressure of the pouch battery cells.

A battery apparatus (100) and an electric device are provided. The battery apparatus (100) includes a plurality of pouch cells (10) and a heat dissipation member (20). The plurality of pouch cells (10) are arranged along a first direction, and the heat dissipation member (20) is disposed between two adjacent pouch cells (10).