Processes for preparing l-alkyl-3-alkyl-pyridinium bromide and uses thereof as additives in electrochemical cells

Processes for preparing l-alkyl-3-alkyl-pyridinium bromide and uses thereof as additives in electrochemical cells

The invention relates to the use of at least one l-alkyl-3- alkyl-pyridinium halide, in particular l-alkyl-3-methyl- pyridinium bromide, as an additive in bromine-generating electrochemical cells, such as zinc/bromine cells. Processes for preparing l-alkyl-3-methyl-pyridinium bromide and concentrate...

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Bibliographische Detailangaben
Hauptverfasser: Lancry, Eli, Zer-Zion, Nirit, Ben David, Iris, Bergstein-Freiberg, Mira, Magnes, Ben-Zion
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:The invention relates to the use of at least one l-alkyl-3- alkyl-pyridinium halide, in particular l-alkyl-3-methyl- pyridinium bromide, as an additive in bromine-generating electrochemical cells, such as zinc/bromine cells. Processes for preparing l-alkyl-3-methyl-pyridinium bromide and concentrated aqueous solutions comprising same for use as additives in the aforementioned cells, are also disclosed.