Improved hydrogen geological storage via zeta potential measurements

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Hydrogen is a clean fuel which has the potential to revolutionize the energy supply chain by complete decarbonisation. An estimated 50-fold increase in the global hydrogen market is expected by 2050, totalling AUD$16.3 trillion. However, the key barrier to a hydrogen economy is hydrogen storage, as hydrogen is highly volatile, compressible and flammable. Underground hydrogen storage, i.e. storage of hydrogen in sedimentary geologic formations, is a potential option to solve this problem. In this project we will provide fundamental data required to establish hydrogen underground monitoring techniques, and to develop associated large-scale models with which underground hydrogen storage efficiency and security can be predicted.