SOLVENT FOR CARBON DIOXIDE ELECTROREDUCTION AND CARBON DIOXIDE REDUCTION METHOD USING THE SAME

To provide a solvent for carbon dioxide electroreduction capable of reducing an activation overvoltage when electrolytically reducing carbon dioxide, and a carbon dioxide reduction method.SOLUTION: A solvent for carbon dioxide electroreduction contains an ionic liquid (A) composed of cation expresse...

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Hauptverfasser:	TAKEDA TAKUMA, MAMBO AKIHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS THEREFOR CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	To provide a solvent for carbon dioxide electroreduction capable of reducing an activation overvoltage when electrolytically reducing carbon dioxide, and a carbon dioxide reduction method.SOLUTION: A solvent for carbon dioxide electroreduction contains an ionic liquid (A) composed of cation expressed by a general formula (1) and anion expressed by a general formula (2) and water. A ratio of a mol number of water to a mol number of the ionic liquid (A) [mol number of water÷mol number of ionic liquid (A)] is 0.1 to 50.SELECTED DRAWING: None 【課題】二酸化炭素の電解還元を行う際の活性化過電圧を下げることができる二酸化炭素電解還元用溶媒、及び二酸化炭素還元方法を提供することを目的とする。【解決手段】一般式（１）で表されるカチオンと一般式（２）で表されるアニオンとから成るイオン液体（Ａ）と水とを含む二酸化炭素電解還元用溶媒であり、イオン液体（Ａ）のモル数に対する水のモル数の比率［水のモル数÷イオン液体（Ａ）のモル数］が、０．１～５０である二酸化炭素電解還元用溶媒。【選択図】なし