LOHC-HESS Liquid organic hydrogen carrier based hydrogen energy storage system and method for operating the same

The present invention relates to a liquid compound-based hydrogen energy storage system and an operating method thereof. The liquid compound-based hydrogen energy storage system comprises: a hydrogen production part for receiving unused power generated from renewable energy and electrolyzing water t...

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Bibliographische Detailangaben
Hauptverfasser:	JEON SANGYUN, YOO YOUNGSUNG, BAE JOONGMYEON, LEE SANGHUN, LEE TAEHEE, KIM TAEHONG, CHOI BAECKBUM
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS BLASTING CHEMISTRY COMPOUNDS THEREOF ELECTRICITY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS HEATING INORGANIC CHEMISTRY LIGHTING MECHANICAL ENGINEERING METALLURGY NON-METALLIC ELEMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY STORING OF DISTRIBUTING GASES OR LIQUIDS VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to a liquid compound-based hydrogen energy storage system and an operating method thereof. The liquid compound-based hydrogen energy storage system comprises: a hydrogen production part for receiving unused power generated from renewable energy and electrolyzing water to produce hydrogen; a hydrogen storage part which reacts the hydrogen produced by the hydrogen production part with a first liquid compound to make the first liquid compound into a second liquid compound in which hydrogen is stored; a hydrogen desorption part which desorbs hydrogen stored in the second liquid compound and separates the same into hydrogen and the first liquid compound; a buffer hydrogen tank part which temporarily stores hydrogen desorbed from the hydrogen desorption part; a fuel cell part which stably receives hydrogen from the buffer hydrogen tank part to produce electric power; and a control part which controls the hydrogen energy system. The present invention relates to a system and an operation method formed so as to be connected to a water electrolyzer and a fuel cell using a commercially available liquid compound-based hydrogen storage technology. 본 발명은 액상화합물 기반 수소 에너지 저장 시스템 및 이의 운전방법에 있어서, 신재생 에너지에서 발생 된 미사용 전력을 공급받아 물을 전기분해하여 수소를 생산하는 수소 생산부, 상기 수소생산부로부터 생산된 수소를 제1액상화합물과 반응하여, 상기 제1액상화합물을 수소가 저장된 제2액상화합물이 되도록 형성하는 수소 저장부, 상기 제2액상화합물에 저장된 수소를 탈착하여 수소 및 상기 제1액상화합물로 분리하는 수소 탈착부, 상기 수소탈착부로부터 탈착된 수소를 임시 저장하는 완충 수소 탱크부, 상기 완충수소탱크부로부터 수소를 안정적으로 공급받아 전력을 생산하는 연료 전지부 및 상기 수소 에너지 시스템을 제어하는 제어부를 포함하는 것을 특징으로 한다.