PROCESS FOR EFFICIENT STORAGE AND PROVISION OF ENERGY

A system for efficient conversion and provision of electrical energy, wherein supplied electrical current is converted into hydrogen in an electrolyzer and optionally temporarily stored in hydrogen storage. The hydrogen is converted into electrical current in a conversion stage in which offgas conta...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHÄFER, Jochen, ROP, Peter, HÜTTL, Christian
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR CHEMISTRY CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS GENERATION METALLURGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A system for efficient conversion and provision of electrical energy, wherein supplied electrical current is converted into hydrogen in an electrolyzer and optionally temporarily stored in hydrogen storage. The hydrogen is converted into electrical current in a conversion stage in which offgas containing water in vapor form is emitted. The offgas is cooled using a heat pump to obtain condensate which is supplied to the electrolyzer as feed water. As a result, a supplied electrical current is decoupled from generated electrical current, wherein utilization of the process heat provided by the heat pump makes it possible to achieve high efficiency coupled with a low demand for fresh water for the electrolyzer.