Company Overview

Company Overview

Company Overview

Green Hydrogen Solutions Built on PEM Electrolysis

Company Overview

CS Hydrogen is a certified Hydrogen-Specialized enterprise with more than 20 years of expertise in PEM fuel cells and water electrolysis. We develop and manufacture MEA (CCM) and stacks for PEM water electrolysis in-house.

Beyond simply supplying products, we develop high-efficiency, high-durability and cost-effective core components for green hydrogen, working with customers at home and abroad.

Green Hydrogen for
Tomorrow

Shaping the future of the green hydrogen industry through continuous technological innovation.

Core Value

Innovation

Innovation

We realize continuous innovation through new technology and relentless research and development.

Reliability

Reliability

We build customer trust on the foundation of proven technology and quality.

Sustainability

Sustainability

We create greater value through sustainable hydrogen technology.

Why CS Hydrogen

01 20+ Years of PEM Expertise

Over 20 Years of PEM Expertise

We have secured reliable technical capability on the basis of R&D experience accumulated across PEM fuel cells (PEMFC) and PEM water electrolysis (PEMEC).

02 Integrated MEA-to-Stack Technology

Integrated Capability from MEA to Stack

We have integrated engineering capabilities spanning the development and design of catalyst-coated MEA (CCM) and CSS Series PEM water electrolysis stacks.

03 In-house Manufacturing

In-House Manufacturing Base

We have built our own production system from MEA (CCM) manufacturing to stack assembly, strengthening quality control and supply reliability.

04 Proven Project Experience

Domestic and Global Project Experience

Working with customers and research institutes at home and abroad on a wide range of hydrogen projects, we have accumulated extensive field experience and technical capability.

Business Area

PEM Electrolyser Stack

PEM Electrolysis Stacks

We develop and manufacture PEM water electrolysis stacks across a range of capacities to meet diverse system environments.

MEA(CCM)

Catalyst Coated Membrane

We develop and produce MEA (CCM) with our own technology to raise the performance and efficiency of PEM water electrolysis.

CS Hydrogen covers research, development and manufacturing of core PEM water electrolysis components, delivering solutions optimized for a wide range of industries.

Custom Development

Custom Development

We develop MEA and stack solutions tailored to customer requirements.

Research & Development

Research & Development

We continue research and development into next-generation PEM water electrolysis technology and materials.

History

Grounded in relentless research and technological innovation,
CS Hydrogen is driving the advancement of the green hydrogen industry.

2026
  • Expanded supply at home and abroad (USA, Japan, Malaysia, Europe and more)
2021
  • CS Hydrogen Co., Ltd. founded
  • Pre-Series A investment secured
  • Large-area production facility established
  • Started production of large-area MEA and stacks for PEM water electrolysis
2020
  • Optimized Ir-Ru binary anode catalyst
2012
  • Patent registered for a PEM water electrolysis device using a three-dimensional mesh
2009
  • WESPE Co., Ltd. founded
  • Focused on the PEM water electrolysis business and joined the Woosuk University RIC
2005
  • Fuel Cell Engineering founded
  • PEMFC business launched
2000s
  • Began development of fuel cell MEA and stacks