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July 9, 2026Electrochemical Science AdvancesOpen Access

Elastic Nickel Porous Transport Layers for Enhanced Catalyst Layer Utilization of Anion Exchange Membrane Water Electrolysis

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Authors

JMJagoda J. Manss-ChmielarzDeutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)LLLena O. LahnerDeutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)TMTobias MorawietzEsslingen University of Applied Sciences

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Implication

Randomized trial demonstrates improved electrochemical performance in anion exchange membrane water electrolysis, suggesting efficient stack designs.

Key Points

  • The research aims to improve anion exchange membrane water electrolysis efficiency through innovative transport layers.
  • Introduced elastic, stacked porous transport layers using low-cost nickel knitted wire mesh.
  • Conducted single-cell tests at 60°C with 1 M KOH to assess performance parameters.
  • Performed a 1000-hour durability study to validate the proposed design.
  • Achieved a current density of 3.25 A cm −2 at 2 V using the elastic design compared to 2.8 A cm −2 for rigid mesh.
  • Demonstrated up to a 25% higher current density attributed to better compression and water/gas transport.
  • Durability study confirmed effectiveness of the elastic transport layer over prolonged use.

Cite This Study

Manss-Chmielarz et al. (2026) studied this question.

synapsesocial.com/papers/6a4f3aa62b81a944af574dechttps://doi.org/10.1002/elsa.70034
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Also Consider

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  1. 1The Rationale for a Standardized Testing Protocol for Anion Exchange Membrane Water Electrolyzers2024 · 42 citations
  2. 2Effect of pore structures in nickel‐based porous transport layers for high‐performance and durable anion‐exchange membrane water electrolysis2022 · 43 citations
  3. 3How the Porous Transport Layer Interface Affects Catalyst Utilization and Performance in Polymer Electrolyte Water Electrolysis2023 · 102 citations