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<p>Water electrolysis is not a&#xa0;one-size-fits-all technology, but rather a&#xa0;portfolio comprising AEL, PEM, AEM, and SOEC, each with clearly distinct strengths. AEL continues to dominate in terms of robustness and cost, PEM in terms of dynamic operation and high-pressure capability, AEM as a&#xa0;promising low-temperature option with reduced and potentially no precious metal demand, and SOEC in terms of electrical efficiency in heat-integrated processes. Further market ramp-up today depends less on the fundamental principle itself than on materials, lifetime, system integration, and industrial scaling [<CitationRef CitationID="CR1">1</CitationRef>].</p>

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Technologischer Status Quo und Zukunft der Wasserelektrolyse: eine Analyse von AEL, PEM, AEM und SOEC

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月17日

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  • Marie Macherhammer,
  • Rebekka Köll,
  • Matthias Ranz,
  • Martin Höglinger,
  • Alexander Trattner

摘要

Water electrolysis is not a one-size-fits-all technology, but rather a portfolio comprising AEL, PEM, AEM, and SOEC, each with clearly distinct strengths. AEL continues to dominate in terms of robustness and cost, PEM in terms of dynamic operation and high-pressure capability, AEM as a promising low-temperature option with reduced and potentially no precious metal demand, and SOEC in terms of electrical efficiency in heat-integrated processes. Further market ramp-up today depends less on the fundamental principle itself than on materials, lifetime, system integration, and industrial scaling [1].