Pouch battery cell module

By setting elastic components at the bottom and clamping buffer components on both sides of the soft-pack battery cell, the expansion amount of the battery cell is dynamically matched, which solves the stress concentration and impact problems caused by the fixed bracket, and realizes the stability and life extension of the battery cell.

CN224502114UActive Publication Date: 2026-07-14ZHEJIANG LIWINON ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521256374.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-18
Publication Date
2026-07-14
Estimated Expiration
2035-06-18

AI Technical Summary

Technical Problem

In the existing technology, the fixing bracket of the pouch cell causes internal stress concentration, which may lead to material cracking, diaphragm damage and electrolyte leakage, while it cannot effectively buffer external impact.

Method used

The design employs an elastic component at the bottom of the pouch cell and clamping buffer components on both sides, including a support plate, a dynamic adjustment module, and a clamping plate. The elastic component and clamping buffer components dynamically match the expansion of the cell, eliminating mechanical stress and absorbing impact energy during collisions.

Benefits of technology

It effectively eliminates mechanical stress, avoids material cracking and electrolyte leakage, extends cell life, and reduces impact force during collisions, ensuring the stability and integrity of the cell.

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Abstract

The utility model relates to battery technology field, specifically disclose a kind of soft package battery module, including frame body, soft package battery body, elastic component and clamping buffer assembly, frame body has accommodating cavity, frame body includes first bottom plate and first side wall, first bottom plate both sides are equipped with first side wall, first bottom plate and first side wall are enclosed and form accommodating cavity;Soft package battery body is located in accommodating cavity;Elastic component is located between soft package battery body and first bottom plate;Clamping buffer assembly is located in accommodating cavity, and is connected with first bottom plate, the both sides of soft package battery body are equipped with clamping buffer assembly, and clamping buffer assembly is used to clamp soft package battery body.The utility model can dynamically match the expansion of soft package battery body, to eliminate mechanical stress, avoid soft package battery body to appear material cracking, diaphragm damage even electrolyte leakage and so on;And in the process of collision, the impact force that soft package battery body can be slowed down, guarantee the stability of soft package battery body.
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