Novel lithium ion battery pack

Abstract

The invention discloses a novel lithium ion battery pack. The novel lithium ion battery pack comprises a barrel and a base, wherein an output electrode is arranged at the top end of the barrel; a first battery chamber and a second battery chamber are formed in the barrel; a shell is arranged outside the first battery chamber and the second battery chamber; partition boards are arranged inside thefirst battery chamber and the second battery chamber; battery plates are arranged above the partition boards; a U-shaped bent tube is arranged inside the partition boards; the liquid inlet end of theU-shaped bent tube is connected with a liquid supply pump; the other end of the liquid supply pump is connected with the outlet end of a cooking liquid tank. Through arrangement of the partition boards in the battery chambers, two battery plates do not directly contact with each other to produce a heat superposing effect; the U-shaped bent tube is arranged inside the partition boards, cooking liquid flows in the U-shaped bent tube, and the U-shaped bent tube is circularly connected to the cooking liquid tank, so that the liquid supply pump provides a driving force, heat is quickly removed andthus batteries are protected better.

Description

technical field [0001] The invention relates to the technical field of battery heat treatment, in particular to a novel lithium-ion battery pack. Background technique [0002] An electric vehicle refers to a vehicle powered by a vehicle-mounted power supply, driven by a motor to drive the wheels, and conforming to the requirements of road traffic and safety regulations. Because it has less impact on the environment than traditional cars, its prospects are widely optimistic. With the rapid development of electric vehicles, battery packs are one of the core components, and their performance has attracted more and more attention. Temperature is the main factor affecting battery performance. One of the factors is that due to the limitations of the battery material itself, when the battery pack is used at a high current, it generates a lot of heat and the temperature rises very seriously, especially the upper part of the battery pack, the temperature rise is relatively high, with...

AI Technical Summary

Problems solved by technology

Because it has less impact on the environment than traditional cars, its prospects are widely optimistic. With the rapid development of electric vehicles, battery packs are one of the core components, and their performance has attracted more and more attention. Temperature is the main factor affecting battery performance. One of the factors is that due to the limitations of the battery material itself, when the battery pack is used at a high current, it generates a lot of heat and the temperature rises very seriously. Especially the upper part of the battery pack has a relatively high temperature increase. Without good thermal management, it is easy to The temperature difference of the battery pack is large and local high temperature is generated. The service life of the battery may be very short at high temperature, and even thermal runaway may cause safety hazards.

Images