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Single-atom catalysts (SACs) show promise for the oxygen evolution reaction (OER) due to unique active sites. Further research is needed to overcome synthesis and characterization challenges for industrial use.

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Area of Science:

  • Materials Science
  • Catalysis
  • Electrochemistry

Background:

  • Single-atom catalysts (SACs) offer high catalytic activity via isolated metal sites.
  • Challenges include particle aggregation and the need for stable support materials.
  • Understanding SACs is crucial for optimizing their performance.

Purpose of the Study:

  • To review recent advances in SACs for the oxygen evolution reaction (OER).
  • To explore structural characterization, in situ/operando techniques, and computational studies of SACs.
  • To summarize OER activity and stability, identifying current research limitations.

Main Methods:

  • Review of recent investigations and advances in SACs for OER.
  • Analysis of structural characterization and spectroscopic techniques.
  • Examination of computational research and catalytic performance data.

Main Results:

  • SACs exhibit unique catalytic properties due to low-coordination active sites.
  • In situ/operando techniques and computational methods aid in understanding OER mechanisms.
  • Current research highlights the early stage of SAC development for OER.

Conclusions:

  • SACs hold significant potential for OER, but synthesis and characterization require further development.
  • Understanding the fundamental mechanisms is key to enhancing catalytic performance.
  • Addressing challenges is essential for the industrial application of SACs in OER.