Battery pack and energy storage system

Abstract

According to the technical scheme, the invention provides a battery pack, and the battery pack comprises a U-shaped soaking radiator; the U-shaped soaking radiator comprises a first side face, a second side face and a bottom face; the first side face comprises a heat superconducting pipeline and a refrigerant channel, and a heat transfer working medium is sealed in the heat superconducting pipeline; and the plurality of battery cells are arranged in the U-shaped channel of the U-shaped soaking radiator in one column or multiple columns. The U-shaped soaking radiator can rapidly absorb heat generated in the charging and discharging process of the battery cell, the heat can be conducted out through movement of a refrigerant in the refrigerant channel, or the refrigerant carrying the heat transmits the heat to the U-shaped soaking radiator, then the battery cell is heated, and therefore, the rapid heat dissipation and temperature rise of the battery pack are achieved. The invention further provides an energy storage system with the battery pack, and as the battery pack can quickly dissipate heat or heat up, the normal use of the energy storage system can be prevented from being influenced by insufficient heat dissipation or too low temperature.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a battery pack and an energy storage system. Background technique [0002] With the extensive application of batteries in production and life, battery safety has become a topic of concern. Failure to dissipate heat in a timely manner during battery charging and discharging will lead to reduced battery performance and life attenuation, and severe problems will lead to breaking, smoking and explosion. At present, the thermal management of batteries mainly adopts air cooling, which has low efficiency; or adopts coil cooling at the bottom of the battery pack for liquid cooling, and the heat dissipation path is long, resulting in low heat dissipation efficiency. Contents of the invention [0003] The main purpose of the present invention is to propose a battery pack and an energy storage system, aiming to solve at least one of the above technical problems. In order to achieve th...

AI Technical Summary

Problems solved by technology

In the process of battery charging and discharging, if the heat is not dissipated in a timely manner, the performance of the battery will be reduced and the life of the battery will be attenuated. In severe cases, it will cause smoke and explosion.

At present, the thermal management of batteries mainly adopts air cooling, which has low efficiency; or adopts coil cooling at the bottom of the battery pack for liquid cooling, and the heat dissipation path is long, resulting in low heat dissipation efficiency.

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