Special Issue: Sustainable Energy Transition through Green Hydrogen
Guest Editor
Prof. Ahmad Zahedi
James Cook University, Queensland, Australia
Email: ahmad.zahedi@jcu.edu.au
Manuscript Topics
Transition to a sustainable energy faces several challenges. Hydrogen has the potential to help this transition in a near future.
Hydrogen is plentifully available in the universe, but not existing in its original form. However, hydrogen is part of some other substances, for example: Water (H2O) or Methane Gas (CH4). These two substances are available in the world in a great quantity.
Today, there are several advanced and mature technologies to produce Hydrogen from water and gas. These technologies require energy in form of heat or electricity to produce hydrogen, so from environmental point of view these hydrogen-production processes are categorised depending on type of energy they use for their chemical processes. Also, the type of energy used for these chemical processes has great impact on production cost of hydrogen in $/kg.
If the energy required for hydrogen-producing process comes from fossil fuel, which is happening today up to 95%, combined with or without Carbon Capture and Storage (CCS) units, or Steam Reforming Methan (SRM) units, or nuclear energy, etc., they are labelled different colours such as grey or blue. When the energy required to complete the hydrogen-producing process comes from renewable energy sources such as solar and wind for supplying electricity to electrolyser, the hydrogen is called Green Hydrogen, which has limited or no negative environmental impacts. As the price of renewable energy worldwide is going down, so it is expected that the unit price of Green Hydrogen will go down and subsequently the green hydrogen become more attractive.
Experts worldwide believe that the Green Hydrogen will have the potential to play a great role is sustainable energy transition, so we encourage respected authors to consider submitting their manuscript while focusing on the green hydrogen challenges such as type of production plant, hydrogen storage, transportation, applications, cost effectiveness, safety etc, and suggesting smart ideas and methods for helping this transition in a professional way.
Keywords: Hydrogen, Electrolyser, Solar Energy, Wind Power, Water, Gas, Steam Reforming Methan, Carbon Capture Storage, Hydrogen Production Cost in $/kg.
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