Battery packs and automobiles containing them

The battery pack design with a cooling fluid distribution member and gasket member addresses uneven cooling fluid distribution, achieving uniform cooling and improved structural design flexibility.

JP7868916B2Active Publication Date: 2026-06-02LG ENERGY SOLUTION LTD

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
LG ENERGY SOLUTION LTD
Filing Date
2023-09-11
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Conventional battery packs face challenges in uniformly distributing cooling fluid to multiple cooling tubes, leading to uneven flow and decreased cooling performance.

Method used

A battery pack design that includes a cooling fluid distribution member connected to cooling tubes via a gasket member, ensuring uniform distribution of cooling fluid through a network of pipes and connectors, with features like locking projections and grooves for secure attachment.

Benefits of technology

Ensures uniform cooling fluid distribution to each cooling tube, enhancing cooling performance and facilitating easier structural design modifications.

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Abstract

A battery pack and a vehicle including the same are disclosed. The battery pack according to an embodiment of the present invention includes a battery module including a plurality of battery cells and a plurality of cooling tubes arranged between the plurality of battery cells and through which a cooling fluid flows for cooling the battery cells; a pack case that houses the battery module; and a cooling fluid distribution member that distributes the cooling fluid to the plurality of cooling tubes, the cooling tubes and the cooling fluid distribution member being connected to each other in contact with each other.
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