{"id":1195,"date":"2024-11-26T10:22:54","date_gmt":"2024-11-26T02:22:54","guid":{"rendered":"http:\/\/47.251.61.166\/?post_type=product&p=1195"},"modified":"2026-03-18T10:09:23","modified_gmt":"2026-03-18T02:09:23","slug":"proton-exchange-membrane-for-flow-batteries","status":"publish","type":"product","link":"https:\/\/www.woboequip.com\/zh\/product\/proton-exchange-membrane-for-flow-batteries","title":{"rendered":"Flow Battery Proton Exchange Membrane"},"content":{"rendered":"

Product Overview<\/b><\/strong><\/h3>\n

The flow battery proton exchange membrane is a high-performance perfluorosulfonic acid (PFSA) membrane with cation-selective transport properties. Featuring thin thickness, high mechanical strength, low swelling, and dimensional stability, it offers excellent durability. The membrane is suitable for vanadium redox flow batteries, iron-chromium flow batteries, and other flow battery systems, providing an efficient and stable proton conduction pathway for electrochemical energy storage.<\/p>\n

Working Principle<\/b><\/strong><\/h3>\n

The membrane forms proton-conducting channels through its perfluorosulfonic acid groups, enabling unidirectional cation transport while preventing cross-contamination of active species. Its low swelling and high mechanical strength ensure dimensional and structural stability under electrolyte immersion and cycling operation, supporting high-efficiency operation and long service life of flow batteries.<\/p>\n

Key Features<\/b><\/strong><\/h3>\n
    \n
  • Excellent Mechanical Strength:<\/strong>Tensile strength \u226528\u202fMPa, elongation at break \u2265120%, maintaining stability under harsh conditions.<\/li>\n
  • High Proton Conductivity:<\/strong>Conductivity \u22650.100\u202fS\/cm, enhancing ion exchange efficiency.<\/li>\n
  • Low Swelling:<\/strong>Thickness swelling \u22645% at 23\u202f\u00b0C and 50% RH, ensuring dimensional stability.<\/li>\n
  • High Durability and Vanadium Resistance:<\/strong>Acid and alkali resistant, anti-permeation, extending membrane lifetime.<\/li>\n
  • Multiple Thickness Options:<\/strong>Available in various thicknesses to meet diverse application requirements.<\/li>\n<\/ul>\n

    Applications<\/b><\/strong><\/h3>\n
      \n
    • Vanadium Redox Flow Batteries:<\/strong>Provides efficient proton conduction and long-term stable operation.<\/li>\n
    • Iron-Chromium Flow Batteries:<\/strong>Ensures system stability and extended service life.<\/li>\n
    • Other Flow Battery Systems:<\/strong>Suitable for applications requiring high conductivity and durability.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"[tp_attributes num_attributes=\"2\"]\n

      The Flow Battery Proton Exchange Membrane is a specialized ion\u2011conducting material designed to enable efficient proton transfer and ionic selectivity in redox flow battery systems. Engineered with advanced polymer structures and functionalized ion\u2011exchange groups, it provides high proton conductivity, low permeability, excellent chemical resistance, and long\u2011term mechanical stability. The membrane minimizes electrolyte crossover, improves charge efficiency, and enhances overall system durability. It is widely used in large\u2011scale energy storage, renewable power integration, grid stabilization, and industrial energy management applications.<\/p>\n

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