Battery pack and heat transfer tube
By employing a dual-channel series cooling structure and a circuit transition node design in the battery pack, the problem of excessive local heat generation at the individual battery terminals was solved, achieving balanced heat dissipation and simplifying the pipeline layout, thereby improving the reliability and lifespan of the battery pack.
CN122202618APending Publication Date: 2026-06-12D AUS ENERGY STORAGE TECH (XIAN) CO LTD
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Patent Information
- Application Number
- CN202510417834.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-06-12
AI Technical Summary
Technical Problem
Existing battery packs often have excessively high localized heat at the terminals of individual cells, which can easily lead to thermal runaway.
Method used
The system adopts a dual-channel series cooling structure, with two mutually isolated sub-channels inside each heat transfer tube. The coolant forms a high-efficiency heat exchange through the inlet and outlet sub-channels, and a loop turning node is set on the outermost heat transfer tube to simplify the pipeline layout.
Benefits of technology
It achieves balanced heat dissipation at the battery polarity terminals, avoids local overheating or overcooling, simplifies the pipeline layout, and improves the reliability and lifespan of the battery pack.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention belongs to the field of batteries, and particularly relates to a battery pack and a heat transfer tube. The problem of thermal runaway caused by overhigh local heat of the single battery pole in the existing battery pack is solved. A battery pack including a plurality of battery members; the battery component comprises a battery module and two heat transfer pipes; the battery module comprises a plurality of single batteries; the two heat transfer pipes are respectively arranged on a total positive terminal and a total negative terminal of the battery module; each heat transfer pipe is internally provided with two sub-channels which are isolated from each other; in the plurality of battery components, the heat transfer pipes are sequentially connected in series according to a set sequence; after entering the main liquid inlet end, cooling liquid sequentially flows through one sub-channel in each heat transfer pipe, then sequentially flows through the other sub-channel in each heat transfer pipe through the loop turning node and flows out of the main liquid outlet end. The heat transfer pipes are in direct contact with the polar terminals of the single batteries, and meanwhile efficient and balanced heat dissipation of the polar terminals is achieved based on a heat transfer pipe series connection structure.
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