The National Science Foundation (NSF) awarded a $352,047 Project Grant under the Engineering program (CFDA 47.041) to The Pennsylvania State University, doing business as Penn State, to conduct research on understanding the mechanisms controlling the entrapment and ripening of multicomponent gas bubbles in underground hydrogen storage systems. The 3-year award, which began on May 1, 2024, aims to gain fundamental insights into the factors affecting the spatial distribution, size, shape, and composition of trapped bubbles during cyclic hydrogen injection and withdrawal. This research will help select suitable geologic storage sites and compatible "cushion gases" to maximize the storage capacity and purity of hydrogen, which is a key technology for decarbonizing the global energy system. The project will train one PhD student and engage underserved K-12 students through educational outreach activities.
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