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Layered double hydroxides (LDHs) are highly attractive materials due to their tunable structural and chemical properties, which can be tailored for specific applications. Metal–air batteries (MABs) offer significantly higher energy density compared to conventional systems such as Li-ion batteries. However, their practical deployment is hindered by the sluggish kinetics of the oxygen reduction and oxygen evolution reactionsOxygen evolution reaction. This chapter discusses the rational design of LDHs for MABs, with a particular focus on surface and interface modifications, including surface engineering and interface engineeringInterface engineering, which are considered hot research areas. Emphasis is placed on the critical role of defect engineeringDefect engineering in further enhancing the performance of MABs and advancing their commercialization. Ultimately, the development of defect-engineered LDHs is expected to enable more efficient, durable, and environmentally sustainable energy storage systems.

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Defect and Interface Engineering of Layered Double Hydroxides for Metal-Air Batteries

  • 章节

  • 发表日期：

    2026年

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  • Noé Arjona,
  • Carlos M. Ramos-Castillo,
  • Minerva Guerra-Balcázar,
  • Lorena Álvarez-Contreras

摘要

Layered double hydroxides (LDHs) are highly attractive materials due to their tunable structural and chemical properties, which can be tailored for specific applications. Metal–air batteries (MABs) offer significantly higher energy density compared to conventional systems such as Li-ion batteries. However, their practical deployment is hindered by the sluggish kinetics of the oxygen reduction and oxygen evolution reactionsOxygen evolution reaction. This chapter discusses the rational design of LDHs for MABs, with a particular focus on surface and interface modifications, including surface engineering and interface engineeringInterface engineering, which are considered hot research areas. Emphasis is placed on the critical role of defect engineeringDefect engineering in further enhancing the performance of MABs and advancing their commercialization. Ultimately, the development of defect-engineered LDHs is expected to enable more efficient, durable, and environmentally sustainable energy storage systems.