Manganese Promoted (Bi)carbonate Hydrogenation and Formate Dehydrogenation: Toward a Circular Carbon and Hydrogen Economy

ACS Cent Sci. 2022 Oct 26;8(10):1457-1463. doi: 10.1021/acscentsci.2c00723. Epub 2022 Oct 19.

ABSTRACT

We report here a feasible hydrogen storage and release process by interconversion of readily available (bi)carbonate and formate salts in the presence of naturally occurring α-amino acids. These transformations are of interest for the concept of a circular carbon economy. The use of inorganic carbonate salts for hydrogen storage and release is also described for the first time. Hydrogenation of these substrates proceeds with high formate yields in the presence of specific manganese pincer catalysts and glutamic acid. Based on this, cyclic hydrogen storage and release processes with carbonate salts succeed with good H2 yields.

PMID:36313168 | PMC:PMC9615124 | DOI:10.1021/acscentsci.2c00723

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