An electrolysis unit for gas production by electrolysis of water, device for gas production by electrolysis of water and its application, and process of gas production by electrolysis of water

An electrolysis unit and a technology of electrolysis of water, applied in the field of electrolysis, can solve problems such as unfavorable promotion and use of electrolysis technology and rising costs, and achieve the effects of improving market competitiveness, reducing efficiency loss, and producing gas at low cost

Active Publication Date: 2021-06-15
GUANGDONG INST OF NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the use of an external pressure pump will inevitably increase the technical difficulty of the electrolysis system, and will also bring about a significant increase in cost, which is not conducive to the promotion and use of electrolysis technology

Method used

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  • An electrolysis unit for gas production by electrolysis of water, device for gas production by electrolysis of water and its application, and process of gas production by electrolysis of water
  • An electrolysis unit for gas production by electrolysis of water, device for gas production by electrolysis of water and its application, and process of gas production by electrolysis of water
  • An electrolysis unit for gas production by electrolysis of water, device for gas production by electrolysis of water and its application, and process of gas production by electrolysis of water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0093] This embodiment provides an electrolyzed water gas production device, please refer to Figure 1 to Figure 10 , The electrolyzed water gas generating device includes 2 groups of electrolytic units (first electrolytic unit and second electrolytic unit), connecting plate 40, panel 50, bottom plate 10 and power supply (not shown).

[0094] Wherein, each electrolysis unit all comprises first cathode 21, common anode 22 and second cathode 23, and first cathode 21 and second cathode 23 are arranged oppositely, and common anode 22 is arranged between first cathode 21 and second cathode 23 The sides of the common anode 22 are opposite to the first cathode 21 and the second cathode 23 respectively. A diaphragm 30 is provided between the common anode 22 and the two cathodes to separate each electrode into different electrolytic chambers. Each electrode plate is provided with terminal block 62 draw-in groove 61, is used for the first cathode piece 24 that cooperates respectively w...

Embodiment 2

[0103] The connecting plate 40 in this embodiment is made of polytetrafluoroethylene high insulating material. The connecting plate 40 separates the cathodes of adjacent electrolytic cells, and connects the anodes of the electrolytic cells to the first negative electrode 21 or the second negative electrode 23 of the next electrolytic cell in a step-by-step series connection, and finally connects the anode at one end of the electrolytic cell stack to the The positive pole of the power supply is connected, while the cathode at the other end is connected to the negative pole of the power supply to form a stack of electrolytic cells in series. The electrolyte enters from the three liquid inlets at the bottom of the right side panel 50, and enters the electrolysis unit through the channels at the bottom of each component, and the excess electrolyte and gas generated by electrolysis are collected and discharged at the top three liquid / gas channels. The three liquid inlet channels ca...

Embodiment 3

[0106] Please refer to Figure 11 to Figure 14 , the difference between this embodiment and Embodiment 1 is: the shape of the electrode plate is circular, the connection holes 63 are arranged at equal intervals along the circumference of the electrode plate, and two adjacent inlet holes and / or outlet holes are provided with A connecting hole 63.

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Abstract

The invention discloses an electrolysis unit for producing gas by electrolyzing water, a device for producing gas by electrolyzing water, an application thereof and a process for producing gas by electrolyzing water, belonging to the technical field of electrolysis. The electrolysis unit includes a first cathode, a common anode and a second cathode arranged in sequence. A diaphragm is provided between the common anode and the two cathodes to separate the electrodes into different electrolytic chambers. The electrode plates of each electrode are respectively provided with three inlet holes and three outlet holes, and the inlet and outlet holes of each electrode plate are connected in one-to-one correspondence. The first inlet and the first outlet of the first cathode communicate with the electrolysis chamber, the third inlet and the third outlet of the second cathode communicate with the electrolysis chamber, and the second inlet and the second outlet of the common anode communicate with the electrolysis chamber. The chambers are connected. The above electrolysis unit and the device containing the electrolysis unit can keep the pressure between the electrolysis chambers in a balanced state when electrolyzing water to produce gas. When it is used for gas production, the pressure balance can be maintained without using a pressure balance pump, which greatly reduces the pressure of electrolyzed water. Complexity and cost of the gas generation system.

Description

technical field [0001] The invention relates to the technical field of electrolysis, in particular to an electrolysis unit for gas production by electrolysis of water, a gas production device by electrolysis of water and its application, and a process of gas production by electrolysis of water. Background technique [0002] Electrolysis of water to gas mainly refers to electrolysis of water to produce hydrogen, which is a hydrogen and oxygen production process that only consumes electricity and water. Currently, there are various water electrolysis processes, such as proton exchange membrane electrolysis, alkaline electrolysis, high temperature electrolysis, photocatalytic water electrolysis, etc. When using the above water electrolysis process, due to the conservation of the number of electrons, a water molecule must be electrolyzed into 2 hydrogen ions and 1 oxygen ion. Calculated by moles, every mole of hydrogen produced will inevitably produce 0.5 moles of oxygen, so as...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25B1/04C25B9/23C25B9/70C25B15/08
CPCC25B15/08Y02E60/36
Inventor 刘太楷邓春明刘敏张亚鹏姜欣格
Owner GUANGDONG INST OF NEW MATERIALS
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