An electrolytic cell reaction device for electroreducing carbon dioxide with adjustable flow rate
A carbon dioxide and reaction device technology, applied in the direction of electrolytic components, electrolytic process, electrolytic organic production, etc., can solve the problems such as the system and method of electroreduction carbon dioxide regulation that have not yet been found, and achieve convenient collection and measurement, easy processing, and electrolytic cell device simple effect
Inactive Publication Date: 2018-08-17
山东金奥环保科技有限公司
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Problems solved by technology
[0005] By reviewing relevant information and literature, no system and method for regulating the electroreduction of carbon dioxide by changing the flow state by using different cathode flow channels has been found.
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[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0024] Such as figure 1 As shown, the structure schematic diagram of the electrolytic cell reaction device for electroreducing carbon dioxide of the present invention is provided, which consists of an aeration liquid storage chamber 2, an anode chamber 3, a cathode chamber 4, a CO 2 Composed of gas cylinder 5, air pump 6, mass flow meter 7, anode 13, cathode 14, ion exchange membrane 15, peristaltic pump 16 and electrochemical workstation 17, the shown aeration liquid storage chamber 2, anode chamber 3 and cathode chamber 4 Adjacent to each other, this effectively reduces the volume of the entire electrolytic cell reaction device, and at the same time shortens the length of the pipeline between the aeration liquid storage chamber 2 and the cathode chamber 4, and reduces the electrolyte stored in the pipeline. The lower part of the shown aeration liquid...
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The invention discloses an electrolytic cell reaction device for electroreducing carbon dioxide with adjustable flow rate, which comprises two end plates (1), an aeration liquid storage chamber (2), an anode chamber (3), and a The cathode chamber (4) of the "shaped" flow channel, the anode chamber (3) and the cathode chamber (4) are separated by an ion exchange membrane (15), and the two electrodes are respectively located on both sides of the cathode chamber (4). There are inlets and outlets on the side of the cathode chamber (4), the solution goes in and out from the bottom, and the circulation of the solution in the cathode chamber is realized through the peristaltic pump (16). The collection of products can be realized while circulating. The device involved in the present invention has a simple structure, can conduct real-time sampling and analysis of gas phase and liquid phase products, can realize catholyte circulation stably, and accurately control the flow rate of liquid flowing through the surface of the catalyst, thereby improving the selection of reduction products for electroreduction of carbon dioxide , stable performance.
Description
technical field [0001] The invention relates to an electrolytic cell reaction device for electric reduction of carbon dioxide, more specifically, an electrolytic cell reaction device for electric reduction of carbon dioxide with adjustable flow rate. Background technique [0002] The climate and environmental problems caused by the excessive emission of carbon dioxide have aroused the common concern of all mankind. At the same time, carbon dioxide is also a potential carbon resource that can be used as a raw material to produce a variety of chemical products. In this environment, resource utilization of carbon dioxide has become a mainstream research trend. [0003] Using electrochemical methods to reduce carbon dioxide to small fuel molecules such as carbon monoxide, methane, formic acid, methanol, etc. is one of the important technical approaches at present. [0004] In an aqueous solution, the principle of electroreduction of carbon dioxide into small fuel molecules is a...
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IPC IPC(8): C25B1/00C25B3/04C25B13/02C25B11/08C25B9/00C25B3/25
CPCC25B1/00C25B9/00C25B13/02C25B3/25C25B11/057C25B11/061
Inventor 杨晓进许杰杜念胡汉君戚伟康王煜添
Owner 山东金奥环保科技有限公司