CocreateIP

A low surface energy alloy material and its use are provided. A composition of the low surface energy alloy material includes at least two of Co, Fe, Ni, Cu, Mn, or Cr, a Co content is within a range of 40-99.9 parts by weight, and each of a Fe content, a Ni content, a Cu content, a Mn content, and a Cr content is within a range of 0.01-20 parts by weight.

Provided are a battery apparatus (100) and an electric device (200). The battery apparatus (100) includes: a plurality of battery sets (10), where the battery sets (10) are sequentially arranged along a first direction, the battery sets (10) include a wrapping shell (11) and at least one pouch battery cell (12), the pouch battery cell (12) is disposed inside the wrapping shell (11), and among the plurality of battery sets (10), a heat insulating member (20) is provided between at least two adjacent battery sets (10).

A battery apparatus and an electric apparatus are provided and pertain to the field of battery technologies. The battery apparatus includes a cell array and a box; where the cell array is adhesively disposed within the box, and the cell array includes a plurality of pouch cells stacked along a thickness direction; and a reinforcing partition is provided between large surfaces of at least two adjacent pouch cells in the cell array, the reinforcing partition is connected to the box, stiffness of the reinforcing partition is greater than stiffness of a pouch shell of the pouch cell, and the reinforcing partition exchanges heat with the pouch cells.

Disclosed herein is a battery device (100), including a battery cell assembly (20) and a sampling assembly (80). The battery cell assembly (20) includes a plurality of battery cells (30) sequentially connected in series. The sampling assembly (30) includes a plurality of sampling parts, a plurality of connection wire harnesses (70), and an output port (921). Each sampling part is electrically connected to at least one connection wire harness (70), a plurality of the connection wire harnesses (70) are all connected to the output port (921). The plurality of sampling parts include a first sampling part (81) and a second sampling part (82). The first sampling part (81) and the second sampling part (30) are provided with a sampling point that can be electrically connected to the series path of the battery cells (30). The number of the first sampling parts (81) is two, and the two first sampling parts (81) are separately and electrically connected to the battery cell (30) at the front and the battery cell (30) at the rear of a plurality of the battery cells (30) sequentially connected in series. In the series path of a plurality of the battery cells (30), the number of the battery cells (30) between the sampling points of at least two adjacent second sampling parts (82) is greater than or equal to two.

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.