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Novel carbon dioxide electrochemical reduction device

A carbon dioxide and electrochemical technology, applied in the direction of material electrochemical variables, etc., can solve problems such as missing

Pending Publication Date: 2021-04-02
南杰智汇(深圳)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As mentioned above, in order to solve the problem that the current carbon dioxide electrochemical reduction device that is easy to install and use is still missing, the patent of the present invention provides a method for separately fixing and isolating the anode and cathode reaction chambers in the electrochemical reduction process, so that the working electrode and The counter electrode can be replaced at any time according to the experimental requirements without affecting the design of the experiment. In order to achieve the above-mentioned purpose, the technical solution adopted by the patent of the present invention is: the device consists of two independent left chambers (001) and right chambers ( 002), the left chamber has a liquid inlet (01) and a liquid outlet (02), and also has a gas inlet (03) and a gas outlet (04), and the liquid inlet (01) and liquid outlet (02) are respectively installed in the left chamber The bottom and upper part of the chamber main body (05), the gas inlet (03) and the gas outlet (04) are installed on the left chamber electrode cover (06), and the left chamber main body (05) and the left chamber electrode cover (06) pass through Screws are connected to form an independent module, the left chamber electrode cover (06) has an electrode connection column (07), and a current collector ( 08), the left chamber is sealed by two gaskets placed between the left chamber main body (05), the left chamber electrode cover (06) and the diversion collector (08), the left chamber main body (05 ) upper part has a connection hole (09) to place a reference electrode; the right chamber main body (10) has a liquid inlet (11) and a liquid outlet (12), and the right chamber electrode cover (13) has another electrode connection column (14 ), another current collector (15) is placed between the right chamber main body (10) and the right chamber electrode cover (13), and the right chamber is sealed by a gasket placed in the right chamber main body (10), The right chamber main body (10) and the right chamber electrode cover (13) are fixed by screws to form an independent module, and the module where the left chamber main body (05) is located is connected with the module where the right chamber main body (10) is located by screws. A gasket is placed between the

Method used

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Embodiment 1

[0024] The carbon dioxide electrochemical reduction device involved in the patent of the present invention can electrochemically reduce carbon dioxide and is suitable for a three-electrode test system.

[0025] Such as Figure 1 to Figure 7 As shown, the device involved in the patent of the present invention is composed of two left chambers (001) and right chambers (002) that can exist independently. When in use, lay the left chamber main body (05) flat, assemble the sealing gasket, the catalyst carrier to be tested, the diversion current collector (08), another sealing gasket and the left chamber electrode cover (06), and then fix it with screws , tighten the electrode connection column, tighten the gas pipes at the gas inlet (03) and gas outlet (04), the reference electrode and the pipes at the liquid inlet (01) and liquid outlet (02). Then put the right chamber main body (10) flat, assemble the sealing gasket, the test electrode, the current collector (15), and the left ch...

Embodiment 2

[0027] The device involved in the patent of the present invention is composed of two chambers that can be assembled independently. The two chambers have different structures. In addition to using the left chamber and the right chamber together as described in Example 1, the two right chambers can also be combined in one used together, such as Figure 8 shown. The method of use is similar to that of Example 1. Both sides of the chamber are connected to an external electrochemical workstation through electrode connection columns. Each chamber has an inlet / liquid port and a gas / liquid outlet to facilitate the entry and exit of reactants and products.

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Abstract

The invention discloses a novel carbon dioxide electrochemical reduction device. The device is provided with a working electrode, a counter electrode, a reference electrode, a carbon dioxide inlet, areaction product outlet, an electrolyte inlet and an electrolyte outlet and is used for electrochemically reducing carbon dioxide into hydrocarbon fuel. An anode reaction chamber and a cathode reaction chamber in the electrochemical reduction process are fixed and isolated respectively, so that the working electrode and the counter electrode can be replaced at any time according to experiment requirements without influencing the experiment, meanwhile, the reference electrode design is adopted, the three-electrode electrochemical device is beneficial to improving the stability of electric signals in the test, and the test efficiency is improved. The device is suitable for observation in the long-term circulation process, convenient to mount and dismount, easy to maintain and operate, suitable for scientific researchers with rich experience, and also suitable for beginners.

Description

technical field [0001] The patent of the present invention relates to a new type of carbon dioxide electrochemical reduction device, which belongs to the field of energy material testing and research. The device has a fixed design of working electrode, counter electrode and reference electrode, has carbon dioxide inlet and reaction product outlet, and has electrolyte inlet and outlet. The outlet is used to electrochemically reduce carbon dioxide into hydrocarbon fuels. The instrument and device involved in the patent of the present invention fix and isolate the anode and cathode reaction chambers in the electrochemical reduction process, so that the working electrode and the counter electrode can be The experiment requires replacement at any time without affecting the progress of the experiment. At the same time, it has a reference electrode design. The three-electrode electrochemical device is conducive to improving the stability of the electrical signal during the test and is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26G01N27/30
CPCG01N27/26G01N27/30
Inventor 曹鲁杰其他发明人请求不公开姓名
Owner 南杰智汇(深圳)科技有限公司