18328908. OXYGEN EVOLUTION CATALYST HAVING CORE-SHELL STRUCTURE INCLUDING IRIDIUM OXIDE AND RUTHENIUM OXIDE, AND METHOD OF PREPARING SAME simplified abstract (Kia Corporation)

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OXYGEN EVOLUTION CATALYST HAVING CORE-SHELL STRUCTURE INCLUDING IRIDIUM OXIDE AND RUTHENIUM OXIDE, AND METHOD OF PREPARING SAME

Organization Name

Kia Corporation

Inventor(s)

Dae Yong Son of Seoul (KR)

Jong Kil Oh of Yongin-si (KR)

Kwang Yeol Lee of Seoul (KR)

Ye Ji Park of Seoul (KR)

Duck Hyun Kim of Seoul (KR)

OXYGEN EVOLUTION CATALYST HAVING CORE-SHELL STRUCTURE INCLUDING IRIDIUM OXIDE AND RUTHENIUM OXIDE, AND METHOD OF PREPARING SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18328908 titled 'OXYGEN EVOLUTION CATALYST HAVING CORE-SHELL STRUCTURE INCLUDING IRIDIUM OXIDE AND RUTHENIUM OXIDE, AND METHOD OF PREPARING SAME

The abstract describes an oxygen evolution catalyst with a core-shell structure containing iridium oxide and ruthenium oxide, and a method for its preparation.

  • The catalyst is prepared by forming a core of nickel sulfide, growing a coating layer of iridium and ruthenium on the core surface to create nanoparticles, and heat-treating the nanoparticles to obtain the catalyst with a core and a shell of iridium oxide and ruthenium oxide.
  • The core-shell structure enhances the catalytic activity of the oxygen evolution catalyst.
  • The inclusion of iridium oxide and ruthenium oxide in the shell improves the efficiency of oxygen evolution reactions.
  • The method allows for the precise control of the catalyst composition and structure, leading to improved performance in oxygen evolution processes.
  • The catalyst can be used in various applications requiring efficient oxygen evolution, such as water electrolysis for hydrogen production or in fuel cells.

Potential Applications: - Water electrolysis for hydrogen production - Fuel cells - Electrochemical sensors

Problems Solved: - Enhanced catalytic activity for oxygen evolution reactions - Improved efficiency in oxygen evolution processes - Precise control over catalyst composition and structure

Benefits: - Increased efficiency in oxygen evolution reactions - Enhanced performance in various applications requiring oxygen evolution catalysts - Potential for cost savings in hydrogen production and fuel cell technologies

Commercial Applications: Title: Advanced Oxygen Evolution Catalyst for Efficient Hydrogen Production This technology has significant commercial potential in industries such as renewable energy, fuel cells, and electrochemical sensors. The efficient oxygen evolution catalyst can improve the performance and reduce the costs of hydrogen production, making it a valuable asset in the transition towards sustainable energy solutions.

Questions about Oxygen Evolution Catalysts: 1. What are the key advantages of using a core-shell structure in oxygen evolution catalysts? - The core-shell structure enhances catalytic activity and provides better control over the catalyst's composition and structure, leading to improved performance in oxygen evolution reactions. 2. How does the inclusion of iridium oxide and ruthenium oxide in the shell of the catalyst impact its efficiency? - The presence of iridium oxide and ruthenium oxide in the shell improves the efficiency of oxygen evolution reactions by enhancing the catalyst's activity and stability.


Original Abstract Submitted

Disclosed is an oxygen evolution catalyst having a core-shell structure including iridium oxide and ruthenium oxide and a method of preparing the same. More particularly, the method of preparing an oxygen evolution catalyst includes preparing a core including nickel sulfide, manufacturing nanoparticles by allowing a coating layer including iridium and ruthenium to grow on the surface of the core, and obtaining a catalyst by heat-treating the nanoparticles, in which the catalyst includes the core and a shell surrounding the surface of the core and including iridium oxide and ruthenium oxide.