battery module

Abstract

The invention discloses a battery module, which includes a bus bar, a radiator assembly and a plurality of battery cells; the plurality of battery cells are arranged in a row, and the electrodes of each battery cell are connected to the bus bar through tabs; the radiator assembly includes a liquid flow channel plate and heat conduction member; the liquid flow channel plate includes a liquid flow channel arranged inside the liquid flow channel plate, and a liquid inlet and a liquid outlet arranged on the surface of the liquid flow channel plate and communicated with both ends of the liquid flow channel respectively The heat conduction element is closely attached to one side of the liquid channel plate perpendicular to its thickness direction; the heat conduction element is also closely attached to the bus bar along the length direction of the bus bar. The whole system has high heat transfer efficiency, uniform heat dissipation effect, high system reliability and low noise; the heated fluid can be passed into the liquid channel plate to heat the battery cell, so as to ensure the normal operation of the battery cell in a low temperature environment, and can Good controllability, convenient heating, and good heat uniformity; the electrical connection between the battery module and the external circuit is a hard plug connection. Module installation and maintenance.

Description

Technical field[0001]The present invention relates to the field of battery technology, and more particularly to a battery module having high heat dissipation efficiency.Background technique[0002]As the cost of electricity is increasing, the power response of the city's power grid and the need for peak-filled valley are more urgent, and these require a large number of energy storage products. Most of the market existing energy storage products use natural cooling or air-cooling, low heat dissipation efficiency, large air-cooled noise, and there is thermal out-of control risk. At the same time, existing battery products are heated by heating on a low temperature environment, and the electrical cell temperature difference in different locations is large, affecting the consistency of its performance.Inventive content[0003]The main object of the present invention is to provide a battery module having a temperature control consistency.[0004]The present invention proposes a battery module ...

AI Technical Summary

Problems solved by technology

Most of the existing energy storage products in the market adopt natural cooling or air cooling and other heat dissipation methods. The heat dissipation efficiency is low, the air cooling noise is large, and there is a risk of thermal runaway

At the same time, the existing battery products heat the battery module through heating sheets in a low-temperature environment, and the temperature difference of the battery cells at different positions is large, which affects the consistency of its performance

Images