Green Hydrogen Technologies Emerge as Key Player in Global Energy Shift

Strategic Insights -

Research from the Department of ECE in India highlights the critical role of power generation in a country's industrial revolution and growth. The study emphasizes that, with the global energy shift towards cleaner sources, hydrogen technologies are gaining recognition as a key participant in achieving net-zero emission targets. Green H2 is identified as a viable alternative to the present energy system based on carbon, with a carbon footprint that depends on the carbon content of the electricity used for electrolysis. The research underscores the potential of green H2 in decarbonizing the energy, industrial, and transportation sectors.

Key Takeaways:

  • Power generation plays a crucial role in a country's industrial revolution and growth, with an increased demand for energy globally due to economic and demographic expansion.
  • Fossil fuels such as coal, gas, and oil constitute the main cause of climate change, contributing to over 90% of CO2 emissions and 75% of greenhouse gas emissions.
  • Hydrogen technologies are regarded as one of the key participants in the global energy shift, with several national and international programs suggesting its use to decarbonize the energy, industrial, and transportation sectors.
  • Green H2 is a viable alternative to the present energy system based on carbon, using a range of renewable resources and producing only 0.0072 kg of CO2 every kilogram of hydrogen.
  • The carbon footprint of green H2 depends on the carbon content of the electricity used for electrolysis, making it a promising choice for clean energy generation.
  • The recent developments in various green H2 production methods have been examined in detail in this article, providing valuable insights for researchers and policymakers.

Statistics:

  • Over 90% of CO2 emissions and 75% of greenhouse gas emissions are attributed to fossil fuels such as coal, gas, and oil.
  • Green H2 produces only 0.0072 kg of CO2 every kilogram of hydrogen.
  • Hydrogen technologies are crucial in achieving net-zero emission targets, with several national and international programs suggesting their use to decarbonize the energy, industrial, and transportation sectors.

Sources:

  • A Comprehensive Review of Green Hydrogen Technologies for Clean Energy Futures. Journal of the Korean Physical Society, 2025.
  • Department of ECE, Hyderabad 501203, Telangana, India.
  • Asisa Kumar Panigrahy, Icfai Fdn Higher Educ Hyderabad, Dept. of ECE, Hyderabad 501203, Telangana, India.
  • S. Sreejith, N. V. Uma Reddy, R. S. Syam Dev and J. Ajayan.
  • Korean Physical Soc, 635-4, Yuksam-Dong, Kangnam-Ku, Seoul 135-703, South Korea.
  • Journal of the Korean Physical Society can be contacted at: Springer - www.springer.com; Journal of the Korean Physical Society - www.springerlink.com/content/0374-4884/.