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Zinc-based electrolyte compositions, and related electrochemical processes and articles

Patent ·
OSTI ID:1422728
;
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.
Research Organization:
General Electric Company, Schenectady, NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AR0000381
Assignee:
GENERAL ELECTRIC COMPANY (Schenectady, NY)
Patent Number(s):
9,899,695
Application Number:
14/720,005
OSTI ID:
1422728
Country of Publication:
United States
Language:
English

References (2)

Zinc morphology in zinc–nickel flow assisted batteries and impact on performance journal February 2011
Electrolyte additives for zinc-anoded secondary cells I. Brighteners, levellers and complexants journal December 1989

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