Importance

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Abstract

A method of generating hydrogen in a subsurface formation, the method comprising injecting oxidizable metal particles into a subsurface formation comprising subsurface water and a geologic trap, wherein the subsurface water has a temperature of from 18° C. to 400° C. and a pressure of from 500 psi to 10,000 psi, the geologic trap comprises one or both of a structural trap or a stratigraphic trap, the geologic trap substantially prevents vertical migration of the subsurface water out of the subsurface formation, and the oxidizable metal particles react with the subsurface water to form hydrogen, metal oxides, metal hydroxides, or combinations thereof.

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First Claim