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October 2, 2025Open Access

Perfluorosulfonic Acid Membrane with Engineered Ionic Cluster Channels and Pore-Filling Structure for Efficient Alkaline Water Electrolysis

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Authors

SNSreekanth NarayanaruSMShoji MiyanishiHKHidenori Kuroki

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Overview

A novel membrane engineered for alkaline water electrolysis shows improved ionic conductivity and low hydrogen crossover, suggesting enhanced efficiency.

Key Points

  • The engineered PFSA membrane shows improved ionic conductivity, reducing energy inefficiencies in alkaline water electrolysis.
  • A current density of 1.0 A cm−2 was achieved at a cell voltage of 1.76 V, indicating high electrochemical performance.
  • Integration of a high-performance catalyst led to further enhancement, achieving an energy efficiency of 88% under electrolysis conditions.
  • The novel membrane demonstrates low hydrogen crossover rates, essential for efficient alkaline water electrolysis applications.

Cite This Study

Narayanaru et al. (2025) studied this question.

synapsesocial.com/papers/68de5da783cbc991d0a20a7ehttps://doi.org/10.26434/chemrxiv-2025-crz45
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