Blue battery for long-period, high-capacity energy storage using seawater and sector coupling system utilizing the same
The blue battery system addresses the challenge of storing variable renewable energy by separating seawater into electrolytes for acid-base reactions, achieving efficient and safe long-duration energy storage through a bipolar electrode and ion exchange membrane system.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- KOREA INST OF ENERGY RES
- Filing Date
- 2024-04-24
- Publication Date
- 2026-06-03
AI Technical Summary
Existing energy storage systems face challenges in efficiently storing highly variable renewable energy sources like solar and wind power, particularly in terms of cost and safety, and there is a need for a large-capacity, long-duration energy storage solution that utilizes abundant and safe materials.
A blue battery system that separates ionic substances in seawater into positive and negative electrolytes, using acid-base neutralization reactions and concentration differences to store and generate energy, utilizing a bipolar electrode with catalyst layers to separate water into hydrogen and hydroxide ions, and an ion exchange membrane system to manage electrolyte flow.
The system effectively stores energy in the form of alkaline and acidic electrolytes, generating electricity as needed through pH and concentration differences, while avoiding material peeling issues and reducing electrical resistance, thus providing a safe and cost-effective long-duration energy storage solution.
Smart Images
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