ACID-BASED ELECTROCHEMICAL FLOW BATTERY

• Main Authors: ALDAZ RIERA, Antonio, SÁEZ FERNÁNDEZ, Alfonso, MONTIEL LEGUEY, Vicente
• Format: Patent
• Language: English; French; German
• Published: 06.06.2018
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present invention relates to a system and process for the accumulation of electrical energy, the system containing an electrochemical reactor comprising: an electrode compartment (3) comprising molecular hydrogen, an electrode compartment (5) comprising a liquid phase (a), an electrode compartment (9) comprising a liquid phase (b), a catalytic surface (4) comprising an electrocatalyst for the oxidation reaction of hydrogen, a catalytic surface (10) comprising an electrocatalyst for the reduction reaction of water and an ion exchange membrane (8), wherein electrode compartment (3) and electrode compartment (5) are separated from one another by the catalytic surface (4), electrode compartment (5) is in turn separated from electrode compartment (9) by the ion exchange membrane (8) and the free end of electrode compartment (9) is in contact with the catalytic surface (10).