Researchers from Australia’s the University of Technology Sydney (UTS) and Singaporean and German universities have created a new supply chain model which could empower the international hydrogen renewable energy industry.
Hydrogen has been touted as the clean fuel of the future. It can be generated from water and produces zero carbon emissions although it is expensive to transport over long distances, and there is no infrastructure in place to do so.
Associated Professor Kaveh Khalilpour, from the UTS and lead of the report, says supply chain design is critical for making hydrogen economic.
“We looked at the renewable hydrogen export from Australia to Singapore, Japan, and Germany,” he adds. “Surprisingly, the analysis revealed that it matters whether the goal is to export ‘hydrogen the atom’ or ‘hydrogen the energy.’ Each choice leads to a different supply chain system.
“Therefore, a thorough understanding of the whole system is necessary for correct decision making. The abundance of renewable energy resources in Australia, as well as its stable economy, means the country can attract investments in building these green value chains in our region and even as far away as Europe.”
The new supply chain model, created by researchers in Australia, Singapore and Germany, successfully guides the development of international transport of hydrogen and its embodied energy.
“Our model suggests that methanol shows great promise as a chemical carrier for exporting renewable energy from Australia at low costs,” says Professor Iftekhar Karimi, from the National University of Singapore, and co-lead of the project.
The full report was recently published in the peer-reviewed journal, Energy Conversion and Management.
“Hydrogen is just an energy carrier, i.e., not a primary energy source, and thus only a means to an end for transporting renewable energy from one place to another,” says Professor Reinhard Madlener, co-lead of the project, from RWTH Aachen University, Germany.
“The key business question around the emerging hydrogen economy is whether commodities such as green hydrogen, methanol or ammonia can be exported profitably and competitively also over long distances and across the oceans, thus bringing green energy to other places in the world. If this is so, this will also have major international energy and climate policy implications.”
Hydrogen is expected to help diversify Australia’s renewable energy resource beyond solar and wind power. This is seen as critical to the country’s energy security, as well as necessary for climate change mitigation.
For more information on the University of Technology Sydney, click here.
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