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ZINC-BASED ELECTROLYTE COMPOSITIONS, AND RELATED ELECTROCHEMICAL PROCESSES AND ARTICLES

United States Patent Application

20160344056
A1
View the Complete Application at the US Patent & Trademark Office
An aqueous electrolyte composition is described, including a zinc salt based on zinc acetate or zinc glocolate. The saturation concentration of zinc in the electrolyte composition is in the range of about 2.5M to about 3.5M. The composition also contains at least one salt of a monovalent cation. The molar ratio of zinc to the monovalent cation is about 1:2. An aqueous zinc electroplating bath, containing the aqueous electrolyte composition, is also disclosed, along with a method for the electrochemical deposition of zinc onto a substrate surface, using the electroplating bath. Related flow batteries are also described, including a catholyte, as well as an anolyte based on the aqueous electrolyte composition, with a membrane between the catholyte and the anolyte.
Kniajanski, Sergei (Clifton Park, NY), Soloveichik, Grigorii Lev (Reston, VA)
14/ 720,005
May 22, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT [0001] This invention was made with Government support under DE-AR0000381, awarded by the Department of Energy-ARPA-E. The Government has certain rights in the invention.