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Title: Electrochemical cell structure including an ionomeric barrier

Patent ·
OSTI ID:1364412

An apparatus includes an electrochemical half-cell comprising: an electrolyte, an anode; and an ionomeric barrier positioned between the electrolyte and the anode. The anode may comprise a multi-electron vanadium phosphorous alloy, such as VP.sub.x, wherein x is 1-5. The electrochemical half-cell is configured to oxidize the vanadium and phosphorous alloy to release electrons. A method of mitigating corrosion in an electrochemical cell includes disposing an ionomeric barrier in a path of electrolyte or ion flow to an anode and mitigating anion accumulation on the surface of the anode.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
National Technology & Engineering Solutions of Sandia, LLC
Patent Number(s):
9,685,684
Application Number:
13/943,566
OSTI ID:
1364412
Resource Relation:
Patent File Date: 2013 Jul 16
Country of Publication:
United States
Language:
English

References (7)

Poly(phenylene)-based anion exchange membrane patent February 2011
Bipolar membrane patent-application June 2007
Renewable highest capacity VB2/air energy storage journal January 2008
Synthesis and Characterization of Poly(phenylene)-Based Anion Exchange Membranes for Alkaline Fuel Cells journal November 2009
Alkaline stability of poly(phenylene)-based anion exchange membranes with various cations
  • Hibbs, Michael R.; Hickner, Michael A.; Coughlin, E. Bryan
  • Journal of Polymer Science Part B: Polymer Physics, Vol. 51, Issue 24, p. 1736-1742 https://doi.org/10.1002/polb.23149
journal August 2012
Vanadium diphosphides as negative electrodes for secondary Li-ion batteries journal October 2007
Reversible air electrodes integrated with an anion-exchange membrane for secondary air batteries journal January 2011

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