Secondary battery
The integration of a closed-loop electrolyte tube in secondary batteries addresses electrolyte depletion, enhancing performance and safety by replenishing electrolyte and absorbing swelling pressure.
WO2026142204A1PCT designated stage Publication Date: 2026-07-02LG ENERGY SOLUTION LTD
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- LG ENERGY SOLUTION LTD
- Filing Date
- 2025-12-19
- Publication Date
- 2026-07-02
AI Technical Summary
Technical Problem
Secondary batteries experience performance degradation and safety issues due to electrolyte depletion during charging and discharging, leading to reduced capacity and increased risk of explosion.
Method used
Incorporation of a closed-loop electrolyte tube between the electrode assembly and the case to absorb swelling pressure, replenish electrolyte, and minimize case damage by breaking to supply additional electrolyte when needed.
Benefits of technology
Prevents performance degradation and safety issues by maintaining electrolyte levels, reducing electrical contact defects, and minimizing case damage.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure KR2025022412_02072026_PF_FP_ABST
Abstract
A secondary battery according to various embodiments may comprise: an electrode assembly including a positive electrode, a negative electrode, and a separator interposed therebetween; a case for accommodating the electrode assembly and an electrolyte; and a closed loop-shaped electrolyte tube disposed between the electrode assembly and the case. In addition, other embodiments are possible.
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