EVE Energy

A battery pack bracket (100), a bracket assembly (10) and a vehicle (1) are provided herein. The vehicle includes a bracket assembly (10); the bracket assembly (10) includes a battery pack bracket (100). The battery pack bracket (10) includes: a supporting platform (100a) and at least two cantilever beams (110). The supporting platform (100a) is configured to install the battery pack; at least two cantilever beams (110) are disposed at intervals on both sides of the supporting platform (100a) along a first direction; a width of at least part of the cantilever beam (110) gradually decreases in a direction away from the connecting structure; the cantilever beam (110) includes a bottom plate (110a) and two side plates (110b), and a plurality of connecting bodies (110c) are connected between the two side plates (110b).

The application provides a bracket (100) and a battery pack. The bracket (100) includes a base part (110). The base part (110) is provided with at least one installation hole (120) and at least one communication hole (130). Each installation hole (120) is adapted for installing a corresponding battery cell (200). Each communication hole (130) is defined through an inner sidewall of a corresponding installation hole (120). The base part (110) is further provided with at least one glue injection hole (140). Each glue injection hole (140) communicates with a corresponding installation hole (120) through a corresponding communication hole (130).

Provided are a battery thermal management system structure and a battery pack, which relate to the technical field of battery devices. The battery thermal management system structure includes a direct cooling plate (110) and a temperature control assembly. A liquid cooling flow channel (400) is disposed in the direct cooling plate (110), and a liquid inlet (410) and a liquid outlet (420) are connected to the liquid cooling flow channel (400). The temperature control assembly includes a controller (240), a temperature sensor (210), a flow regulating valve (230) and a heating film (220). The flow regulating valve (230) is disposed at the liquid inlet (410), the flow regulating valve (230) is connected to the liquid cooling flow channel (400), and the heating film (220) is disposed between the direct cooling plate (110) and the cells (310).

A battery pack (10) and a vehicle (50) are provided. The battery pack (10) includes a box (100) and a crossbeam (200). The box (100) is provided with a receiving space and mounting holes connected to the receiving space. The crossbeam is fixedly connected to the box (100) and mounted in the receiving space, and a portion of the crossbeam is positioned in the mounting holes and configured to connect with a vehicle frame (30) to mount the battery pack (10) on the vehicle frame (30).

Provided in the present application is a negative electrode active material, a negative electrode sheet and a lithium-ion battery containing the same. The negative electrode active material includes a silicon-based material and a coating layer disposed on a surface of the silicon-based material, in which the coating layer contains a copolymer including: a first monomer as shown in Formula I; and a second monomer as shown in Formula II; X in the Formula I and Y in the Formula II independently contain at least one of an aryl group and an alkenyl group.

A battery and a method for manufacturing the same are provided. The battery includes battery cell(s) (1) each provided with a first pole and a second pole, busbars including first busbar(s) (2) and second busbar(s) (3), and a case (4) including a housing (41) and a first case cover (42). The housing includes a body (411) and a partition plate (412) both defining a first cavity arranging with battery cell(s). One end of the battery cell abuts against the partition plate. The first case cover is provided at an end of the housing. Support portion(s) (421) are provided on a side of the first case cover. The first busbar is connected to the first pole. The support portion abuts against the first busbar. The partition plate is provided with pole hole(s) each enabling passage of the second pole to connect the second busbar. The second busbar is on a side of the partition plate away from the battery cell.

Provided are a power distribution unit and a vehicle. The power distribution unit includes a housing (100), a BMS assembly (300), an overcurrent assembly (500), and a wiring harness assembly (700). The housing (100) includes a lid (110) and a bottom wall (130) disposed in a first direction, a first mounting cavity (120) and a second mounting cavity (140) disposed in the first direction being formed between the lid (110) and the bottom wall (130). The BMS assembly (300) is mounted in the first mounting cavity (120), where a wiring space is formed between the housing (100) and a side of the BMS assembly (300) in a second direction. The wiring harness assembly (700) passes through the wiring space to be connected to the BMS assembly (300) and the overcurrent assembly (500) separately.

A battery pack, a method for assembling the battery pack, and an electrical device are disclosed. The battery pack includes a battery case (100), a battery cell assembly (200), and a BMS (300). The battery case (100) defines a first accommodation cavity (110) and a second accommodation cavity (120). The first accommodation cavity (110) is isolated from the second accommodation cavity (120). The battery cell assembly (200) is arranged in the first accommodation cavity (110) and includes battery cells. The BMS (300) is arranged in the second accommodation cavity (120). When a battery cell experiences thermal runaway and ejects high-temperature and high-pressure gases and particles, and the high-temperature and high-pressure gases and particles will not enter the second accommodation cavity and are prevented from being dispersed to the BMS. In this way, it is ensured that the BMS can operate normally during the thermal runaway of the battery cell.

A bracket and a battery pack are provided. The bracket includes a substrate (110). A side of the substrate (100) away from a battery cell (200) is provided with multiple grooves. A side of the substrate (100) adjacent to the battery cell (200) is provided with multiple bosses (110) corresponding to the grooves. A top of each of the bosses (110) is configured to support a corresponding one of the battery cells (200) to form a channel (190) between at least a portion of a bottom of the battery cell (200) and the substrate (100). A bottom of the boss (110) is provided with a first pressure relief slot (120). The first pressure relief slot (120) is configured to communicate with the battery cell (200) when the battery cell (200) undergoes thermal runaway to relieve pressure in the battery cell (200).

This application provides a battery cell (100), a battery module (200), a battery pack and an electrical apparatus. The battery cell (100) includes a cell structure (10) and a temperature detection assembly (20). The temperature detection assembly (20) includes a holder (21) and a temperature detector (22). The cell structure (10) is fixed to the holder (21) which defines a receiving recess (2120), and the temperature detector (22) configured to collect temperature data of the cell structure (10) is at least partially received in the receiving recess (2120).