Photochemical reaction system

According to one embodiment, a photochemical reaction system comprises a CO2 production unit, a CO2 absorption unit, and a CO2 reduction unit. The CO2 reduction unit comprises a laminated body and an ion transfer pathway. The laminated body comprises an oxidation catalyst layer producing O2 and H+ b...

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Bibliographische Detailangaben
Hauptverfasser:	Tamura, Jun, Ono, Akihiko, Mikoshiba, Satoshi, Kudo, Yuki, Huang, Chingchun, Kitagawa, Ryota
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEMICONDUCTOR DEVICES THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	According to one embodiment, a photochemical reaction system comprises a CO2 production unit, a CO2 absorption unit, and a CO2 reduction unit. The CO2 reduction unit comprises a laminated body and an ion transfer pathway. The laminated body comprises an oxidation catalyst layer producing O2 and H+ by oxidizing H2O, a reduction catalyst layer producing carbon compounds by reducing CO2 absorbed by the CO2 absorption unit, and a semiconductor layer formed between the oxidation catalyst layer and the reduction catalyst layer and develops charge separation with light energy. The ion transfer pathways make ions move between the oxidation catalyst layer side and the reduction catalyst layer side.