articleNature CommunicationsJul 3, 2025GOLD OA

Scalable synthesis of NiFe-layered double hydroxide for efficient anion exchange membrane electrolysis

ÁSÁlvaro Seijas‐Da SilvaAHAdrian HartertVOVíctor OestreicherJRJorge RomeroCJCamilo Jaramillo‐Hernández

Parc Científic de la Universitat de València · Forschungszentrum Jülich · +10 more institutions

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Abstract

The alkaline oxygen evolution reaction is a key step in producing green hydrogen through water electrolysis, but its large-scale industrial application remains limited due to challenges with current electrocatalysts—particularly in terms of scalability, efficiency, and long-term stability. Here we show an industrially scalable synthesis of an active NiFe layered double hydroxide (NiFe-LDH) catalyst using a room-temperature, atmospheric-pressure route. The process involves homogeneous alkalinization, where chloride ions nucleophilically attack an epoxide ring, producing a low-dimensional, defect-rich NiFe-LDH with pronounced iron clustering. In-situ spectroscopy and ab-initio calculations reveal that these…

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Topics & keywords

Topics
Keywords
  • Hydroxide
  • Electrolysis
  • Ion exchange
  • Ion
  • Scalability
  • Materials science
  • Membrane
  • Layered double hydroxides
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