NON-HALIDE ZINC ADDITIVES FOR A SECONDARY ZINC HALIDE BATTERY

Provided is an electrolyte for use in a secondary zinc halide electrochemical cell comprising: from about 20 wt. % to about 70 wt. % of a zinc halide of formula ZnY2 or any combination of zinc halides of formula ZnY2, wherein Y is a halide selected from fluoride, chloride, bromide, iodide, or any co...

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Bibliographische Detailangaben
Hauptverfasser:	FUCHSHOFEN, Lukas, RICHEY, Francis, W, SMITH, Rebecca
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	Provided is an electrolyte for use in a secondary zinc halide electrochemical cell comprising: from about 20 wt. % to about 70 wt. % of a zinc halide of formula ZnY2 or any combination of zinc halides of formula ZnY2, wherein Y is a halide selected from fluoride, chloride, bromide, iodide, or any combination thereof; from about 10 wt. % to about 79 wt. % of H2O; and from about 0.5 wt. % to about 20 wt. % of one or more zinc additives. The one or more zinc additives comprises a first zinc additive, wherein the first zinc additive is a salt that is not a zinc halide and comprises an anion with a van der Waals volume of greater than about 65 Å3. Also provided is a secondary zinc halide battery comprising at least one electrochemical cell comprising at least one bipolar electrode and the zinc halide electrolyte. Also provided is a secondary zinc halide battery comprising a zinc metal reservoir.