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-253°C | The Bosch Hydrogen Expert Talk

Green Hydrogen = Green Future?

In the global debate on sustainable energy and decarbonization, green hydrogen, produced using electricity from renewable energy sources, has become a focal point. Its potential as a clean and versatile energy carrier has sparked intense debate and interest. In today's episode of the Bosch Hydrogen Expert Talk, Carola Ruse, Senior Vice President Business Unit Electrolyzer Solution at Bosch, faces the importance of PEM electrolysis and technological advances for the future hydrogen market. She explains how PEM electrolysis works and discusses the conditions which need to be created for scaling global hydrogen production.

-253°C | The Bosch Hydrogen Expert Talk #2: Green Hydrogen = Green Future?

Thumbnail of -253°C The Bosch Hydrogen Expert Talk Episode 2: Green Hydrogen = Green Future
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In today's episode of the Bosch Hydrogen Expert Talk with Carola Ruse, we look into the future of the hydrogen economy and the importance of PEM electrolysis for sustainable energy solutions. Discover how green hydrogen is shaping a greener future and contributing to decarbonization.

Key Takeaways: Potential, challenges, and future solutions of green hydrogen & PEM electrolysis

In Episode 2, Carola Ruse, Senior Vice President Business Unit Electrolyzer Solution at Bosch, talks about the potential of green hydrogen as a key enabler for achieving climate goals and the challenges of electrolysis for the energy transition and decarbonization.

Compared to other electrolysis technologies, PEM electrolysis stands out with higher power density, better energy efficiency, and high hydrogen output pressure. Its maximum flexibility, minimal space requirements, and easy scalability, makes it a well-suited solution for the future.

Integrating them into the existing energy system and high costs are major challenges that must be overcome for the successful adoption of electrolysis. Despite this, Carola is convinced that the share of green hydrogen will increase significantly over the next year, forming a giant market.

Portrait photo of Carola Ruse

The PEM Electrolysis Stack has a big advantage in terms of increased efficiency. This results from an optimal usage of renewable energy sources, making electrolysis an attractive option for hydrogen production.

Carola Ruse, Senior Vice President Business Unit Electrolyzer Solutions, Robert Bosch GmbH
How our Bosch Proton exchange membran (PEM) electrolysis stacks works

How the Bosch Proton Exchange Membrane (PEM) electrolysis stack works

Produced through electrolysis, electrical energy is converted into chemical energy. for hydrogen production. In this process, ultrapure water (H₂O) flows around an ionically conductive membrane between the anode and cathode. Upon voltage application, water at the anode oxidizes, releasing oxygen (O₂), free electrons, and hydrogen ions. These ions then diffuse through the proton exchange membrane, combining with electrons at the cathode to form hydrogen (H₂). The reaction products are therefore hydrogen (H₂) and oxygen (O₂).

Requirements and conditions for global green hydrogen production

  • Icon renewable energies
    The expansion and promotion of renewable energy sources form the foundation toward a more efficient and resource-saving energy future.
  • Icon hydrogen infrastructure
    Developing electrolysis plants, hydrogen tanks, pipelines, or fueling stations used for the transport and provision of hydrogen is crucial for the establishment of an infrastructure for the production, storage, and distribution of hydrogen.
  • Icon long-term policy support to attract investments in the global hydrogen economy
    Clear and long-term policy support and appropriate regulatory frameworks are needed to promote investments in the global hydrogen economy.
  • Icon International cooperation and coordination for global hydrogen standards, trade, and technology transfer
    Since the hydrogen industry is globally oriented, international cooperation and coordination is important for establishing standards, facilitating trade in hydrogen, and fostering technology transfer.