The geological storage of hydrogen is necessary to enable the successful transition to a hydrogen economy and achieve net-zero emissions targets. Comprehensive investigations must be undertaken for each storage site to ensure their long-term suitability and functionality. As such, the systematic infrastructure and potential risks of large-scale hydrogen storage must be established. Herein, we conducted over 250 batch reaction experiments with different types of reservoir sandstones under conditions representative of the subsurface, reflecting expected time scales for geological hydrogen storage, to investigate potential reactions involving hydrogen. Each hydrogen experiment was paired with a hydrogen-free control under otherwise identical conditions to ensure that any observed reactions were due to the presence of hydrogen. The results conclusively reveal that there is no risk of hydrogen loss or reservoir integrity degradation due to abiotic geochemical reactions in sandstone reservoirs.

中文翻译：

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地质储氢：氢与砂岩储层的地球化学反应性

氢的地质储存对于成功过渡到氢经济和实现净零排放目标是必要的。必须对每个存储地点进行全面调查，以确保其长期适用性和功能性。因此，必须建立大规模储氢的系统基础设施和潜在风险。在这里，我们在代表地下的条件下对不同类型的储层砂岩进行了 250 多次批量反应实验，反映了地质储氢的预期时间尺度，以研究涉及氢的潜在反应。每个氢实验都与在其他相同条件下的无氢对照配对，以确保任何观察到的反应都是由于氢的存在。