Method for electrochemical hydrogenation and electric energy symbiosis of water-soluble unsaturated alcohol

Abstract

The invention is a water soluble unsaturated alcohol electrochemical hydrogenation and electric energy symbiosis method, utilizing proton exchange film fuel cell to make water soluble unsaturated alcohol electrochemical hydrogenation and electric energy symbiosis, inserting the cell in a testing system and controlling the temperature of the cell, using nitrogen gas to pretreat the cathode chamber before cathode reactant pumped in, and then making initial polarization on the cell, that is, after charging H2 in the anode, turning on circuit to make residual O2 fully react in the cathode chamber; at the time of reaction, controlling H2 and alcohol water fluxes, respectively, and by adjusting variable resistor, controlling reacting current to obtain different purity saturated alcohols. The cell adopts multiporous gas diffusion three-in-one film electrodes, and it can generate electric energy at the time of synthesizing products and has an important significance in producing a few high-quality chemical products.

Description

Technical field:

[0001] The invention relates to a water-soluble unsaturated alcohol electrochemical hydrogenation and electric energy symbiosis method. A proton exchange membrane fuel cell is used as a reactor to perform electrochemical hydrogenation reaction of water-soluble unsaturated alcohol within the working range of the proton exchange membrane fuel cell. Synthesis of saturated alcohols and generation of electrical energy. It belongs to the field of electrochemical engineering and catalytic technology. Background technique:

[0002] A fuel cell is an electrochemical reaction device that directly converts chemical energy into electrical energy through an electrode catalytic reaction process. Among them, the proton exchange membrane fuel cell (PEMFC) has shown good application prospects in electric vehicles and small mobile power sources. At present, while promoting the commercialization of PEMFC, people are also considering the application of PEMFC in a wider range o...