Seawater battery

The seawater battery design with organic-inorganic composite membranes and closed-loop flow chambers addresses efficiency and scalability issues, facilitating simultaneous charging and discharging for effective energy storage and resource recovery.

WO2026100869A1 Publication Date: 2026-05-15SAMSUNG E&A CO LTD
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Patent Information

Application Number
PCT/KR2025/007186
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-11-08
Filing Date
2025-05-27
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Seawater batteries suffer from low energy density, slow charging and discharging speeds, electrode material degradation, and performance deterioration due to impurities, making commercial utilization difficult.

Method used

A seawater battery design with anode, flow, and cathode electrode chambers, utilizing organic-inorganic composite membranes and closed-loop flow electrode chambers for simultaneous charging and discharging, enabling efficient sodium ion transfer and resource recovery.

Benefits of technology

Enables large-capacity energy storage and resource recovery, allowing for scalable and stable operation without performance degradation, overcoming limitations of conventional seawater batteries.

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Abstract

A seawater battery is disclosed. The disclosed seawater battery includes an anode electrode chamber, a flow electrode chamber, and a cathode electrode chamber.
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