pH BUFFERING REGION IN A FLOW BATTERY REBALANCING CELL

pH BUFFERING REGION IN A FLOW BATTERY REBALANCING CELL

The present invention is directed to novel membrane electrode assemblies, and devices and systems incorporating them. Representative membrane electrode assemblies comprise (a) a first, porous electrode; (b) a buffer layer optionally comprising an aqueous solution comprising a pH buffer; (c) a membra...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LORETZ, Jeremy, PURANAM, Srivatsava
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
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Beschreibung
Zusammenfassung:The present invention is directed to novel membrane electrode assemblies, and devices and systems incorporating them. Representative membrane electrode assemblies comprise (a) a first, porous electrode; (b) a buffer layer optionally comprising an aqueous solution comprising a pH buffer; (c) a membrane; and (d) a second, porous electrode comprising a catalyst for the generation of oxygen (O2); wherein the membrane is interposed between the first electrode and the second electrode, and the buffer layer is interposed between the membrane and the first electrode.