A Certified Hydrogen-Specialized enterprise Built on PEM Electrolysis
CS Hydrogen is certified as a Hydrogen-Specialized enterprise under Article 11(2) of the Act on the Promotion of the Hydrogen Economy and Hydrogen Safety Management.
Built on in-house design and manufacturing of PEM water electrolysis stacks and MEA (CCM), we contribute to strengthening the competitiveness of the hydrogen industry.
Hydrogen-Specialized enterprise certification is a national accreditation granted to companies with proven technical and business capability in the hydrogen industry.
CS Hydrogen develops and manufactures MEA (CCM) and stacks for PEM water electrolysis, continuously advancing the core component technology required for green hydrogen production.
Certified by the Minister of Climate, Energy and Environment
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Certificate No.
No. 2026-0005
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Issued by
Minister of Climate, Energy and Environment
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Valid until
2026.06.09 ~ 2031.06.08
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Legal basis
Article 11(2), Act on the Promotion of the Hydrogen Economy and Hydrogen Safety Management
Patents & Certifications
Backed by continuous research and development, CS Hydrogen holds a range of patents and certifications covering the core technologies of PEM water electrolysis.
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MEA (CCM) Manufacturing Patent
A patent covering the membrane-electrode assembly for PEM water electrolysis stacks and its manufacturing method.
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MEA Patent Family Registered in Japan
An overseas registration in the MEA (CCM) patent family for polymer electrolyte water electrolysis stacks.
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MEA Patent Family Registered in Malaysia
An overseas patent registration covering the membrane-electrode assembly and its manufacturing method.
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3D Mesh PEM Water Electrolysis Device
A patent covering a polymer electrolyte water electrolysis device using a three-dimensional mesh structure.
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Oxygen Generator Using Fuel Cell and Water Electrolysis
An application patent for an electrochemical system that generates oxygen using fuel cell and water electrolysis technology.
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Cathode-Feeding Hydrogen Generator
A structural patent for a hydrogen generator developed for compact PEM water electrolysis applications.