Contemporary Amperex Technology Co., Ltd.

Contemporary Amperex Technology Limited

Xianchun Zhu

Hua Cao

Mu Qian

Chong Wang

Chao Zeng

Shixin Wu

Guoliang Hu

Lilei Su

Quan Yang

The present disclosure relates to a battery module, including two or more battery cells, each including an electrode terminal; a connecting member, wherein the electrode terminals of adjacent battery cells are connected by the connecting member; and a clamping-sampling member, including a wire connection portion for fixing a wire harness and a clamping portion, wherein one end of the clamping portion is connected with the wire connection portion and the other end of the clamping portion clamps the connecting member.

Battery module

The present disclosure relates to the technical field of energy storage devices, and in particular, to a battery module and a battery pack. The battery module includes: a plurality of battery cells stacked in sequence, the plurality of battery cells being provided with vents; and a circuit board arranged above the plurality of battery cells. The circuit board is provided with a temperature sensing device, and a position of each of the temperature sensing device corresponds to positions of the vents. The temperature sensing device is connected to a battery management system to form a circuit, and the circuit is disconnected when any one of the vents is blasted.

Battery module and battery pack

The present disclosure provides a battery module, which can include a plurality of batteries, a positioning bracket, a circuit board, a thermistor and a fixing cover plate. The positioning bracket can be affixed onto the batteries and includes a first opening. The circuit board can have a main body portion disposed above the positioning bracket and a mounting portion located below the main body portion, the mounting portion can be contained in the first opening and supported on a battery of the plurality of batteries. The thermistor can be affixed on the mounting portion of the circuit board. The fixing cover plate can tightly press the mounting portion of the circuit board in the vertical direction to fix the mounting portion to the battery.

This application provides an output electrode assembly including a circuit board, a connector, an output electrode connecting sheet and a fastening base. The connector is disposed at one end of the circuit board in a longitudinal direction of the output electrode assembly, and the output electrode connecting sheet is spaced apart from the connector in a transverse direction of the output electrode assembly. The fastening base has a partition wall; a first mounting portion formed on one side of the partition wall in the transverse direction, where the connector is fixedly mounted to the first mounting portion; and a second mounting portion formed on the other side of the partition wall in the transverse direction, where the output electrode connecting sheet is fixedly mounted to the second mounting portion. The fastening base has functions of both an output electrode base and a connector mounting base in a battery module.

Output electrode assembly and battery module

The present disclosure provides a battery module comprising a circuit board, the circuit board comprises a conductive layer, a first pad and a second pad. The conductive layer is formed with a sampling circuit, the sampling circuit comprises: a sampling end portion; an outputting end portion; a first branch path formed with a first fusing zone; and a second branch path formed with a second fusing zone. The first pad is provided on the sampling end portion, the second pad is provided on the second branch path. When the first fusing zone is fused, the circuit board can be quickly repaired by means of the second branch path and the second pad to electrically connect the sampling end portion and the outputting end portion, thereby achieving the purpose of reusing the circuit board, therefore the entire battery module is not scrapped and the utilization of the battery module is improved.

Circuit board and battery module

This disclosure provides a battery module and a battery pack. The battery module includes: a battery set including a plurality of batteries arranged in an array, each of the batteries includes an explosion-proof valve; a cover plate disposed on the battery set; and a thermosensitive assembly disposed between the battery set and the cover plate, the thermosensitive assembly being connected with the cover plate, the thermosensitive assembly including a thermosensitive wire, and thermosensitive wire can provide a prompt signal indicating that the explosion-proof valve of the battery is burst. The battery module according to embodiments of the present disclosure can accurately and effectively transmit the information regarding thermal runaway occurring in the battery to the outside, such that the battery module has a performance of alerting the thermal runaway.

The present disclosure relates to a battery module and a battery pack. The battery module includes a plurality of secondary batteries arranged side by side, each of which includes a vent; a monitoring assembly, disposed above the plurality of secondary batteries and including a base plate and a monitoring wire, wherein the monitoring wire is coupled to the base plate; the monitoring wire is disposed corresponding to positions of the vents of the plurality of secondary batteries, and can be broken off when any of the vents bursts, so as to monitor a state of the battery module.

The present application relates to a battery pack. The battery pack comprises: two or more battery modules, each of the battery modules comprising a plurality of battery cells which are stacked in sequence, wherein each of the battery cells is provided with an explosion-proof valve; the battery pack further comprising a thermal alarm device and a battery management system, wherein the thermal alarm device is arranged corresponding to the explosion-proof valve; the thermal alarm device and the battery management system are connected to form a circuit; and a break of the circuit can be caused when the explosion-proof valve is exploded. The present application provides the thermal alarm device, and when thermal runaway occurs in the battery module, a circuit break is formed between the thermal alarm device and the battery management system, thus the thermal runaway status of the battery pack can be accurately reflected.

Growing community of inventors

Ningde, China

Xianchun Zhu