Nanostructured metal amides and nitrides for hydrogen storage

Stavila, Vitalie; Klebanoff, Leonard E.

Nanostructured metal amides and nitrides for hydrogen storage

Patent · Tue Jun 19 04:00:00 EDT 2018

OSTI ID:1459547

Stavila, Vitalie; Klebanoff, Leonard E.

Nanostructured metal amides and nitrides are incorporated into nanoporous templates, such as carbon, using liquid ammonia as a solvent/reagent. This leads to unexpected improvements in metal amide nanoconfined hydrogen storage materials. The resulting nanostructured materials may reversibly absorb and desorb large capacities of hydrogen under conditions that are much milder compared to what has been achieved with bulk materials. In addition, the nanoconfined materials may reduce the amounts of ammonia released upon dehydriding, which may make the released hydrogen gas purer and may limit the capacity loss. In addition, nanoconfinement may simplify the reaction mechanism, eliminating undesired metal imide intermediates and promote hydrogen cycling under mild conditions. The liquid ammonia method also allows the simultaneous introduction of catalytic additives along with the parent hydrogen storage material.

Research Organization:: Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC04-94AL85000

Assignee:: National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)

Patent Number(s):: 10,000,377

Application Number:: 15/244,762

OSTI ID:: 1459547

Country of Publication:: United States

Language:: English

References (8)

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