hydrogen fuel cell

Platinum group metals (PGMs) include six rare and valuable elements: platinum, palladium, rhodium, ruthenium, iridium, and osmium. These special metals are renowned for their exceptional corrosion resistance and catalytic properties, even under extreme temperature and pressure. They are essential in automotive, hydrogen energy, semiconductor, medical, and aerospace industries, making them globally recognized strategic minerals.


PGMs Powering the Hydrogen Economy

Among the PGMs, platinum and iridium play a key role in hydrogen fuel cells and electrolyzers. These metals are crucial catalysts for PEM (Proton Exchange Membrane) systems, which are central to hydrogen production and fuel cell technologies. As nations push for a carbon-neutral future, the demand for PGMs is rapidly increasing.

In particular, the EU and the US are investing heavily in hydrogen infrastructure, accelerating the need for platinum and iridium. In Korea, PGMs are also essential for expanding hydrogen electric vehicles and hydrogen power plants, making a stable domestic supply a key factor in industrial competitiveness.


Crucial Role in the Semiconductor Industry

Ruthenium, palladium, and platinum are widely used in semiconductor manufacturing as wiring materials, electrode materials, and PVD (Physical Vapor Deposition) target materials. As chip architecture becomes more compact and complex, demand for PGMs with superior thermal and electrical stability continues to grow.

PGM-based alloys not only withstand high heat but also improve the durability of semiconductor equipment. Companies that can refine and resupply high-purity PGMs play a vital role in strengthening the global semiconductor supply chain.


PGMs Have High Recycling Value

Platinum group metals are not only rare and expensive but also highly recyclable. PGMs recovered from industrial catalysts, automotive exhaust systems (such as DOC and DPF), and electronic waste can be refined and reintroduced into industrial use.

At Dong-A Special Metals, advanced recovery and sorting technologies allow us to supply eco-friendly, recycled PGMs to both domestic and global customers. This recycling capability helps reduce reliance on imported raw materials and supports compliance with carbon border adjustment mechanisms (CBAM).


Iridium: The Key to Electrolysis and Advanced Materials

Iridium stands out as the most corrosion- and heat-resistant metal among PGMs. It plays a crucial role in PEM water electrolysis systems, where iridium oxide (IrO₂) acts as a durable catalyst for the oxygen evolution reaction (OER).

Its applications are expanding into semiconductors, LED thin-film coatings, high-temperature sensors, medical equipment, and spark plugs. The demand for iridium is rising sharply due to its performance in high-durability components and clean energy systems.

However, iridium is extremely rare, with global production concentrated mostly in South Africa. This makes recycling and recovery technology a top priority for countries and companies seeking secure and sustainable supply chains.


Conclusion

The global demand for platinum group metals will continue to rise with the growth of decarbonization, electrification, and semiconductor innovation. At the same time, recycling and high-purity recovery of PGMs offer a strategic solution to supply risks.

Dong-A Special Metals is committed to leading this transformation by offering advanced recovery technologies and sustainable material solutions that meet the evolving needs of modern industry.




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