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Water electrolysis produced gas pressure self-balancing device and application thereof

A self-balancing, electrolyzed water technology, applied in the electrolysis process, electrolysis components, electrode shape/type, etc., can solve the problems of unfavorable hydrogen energy development and application, water electrolysis system cost and system complexity increase, and achieve improved gas production Efficiency, reduced complexity, low cost effects

Inactive Publication Date: 2020-04-14
GUANGDONG INST OF NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of the above-mentioned pressure balance components or pressure balance systems will lead to an increase in the cost and complexity of the water electrolysis system, which is not conducive to the development and application of hydrogen energy

Method used

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  • Water electrolysis produced gas pressure self-balancing device and application thereof
  • Water electrolysis produced gas pressure self-balancing device and application thereof
  • Water electrolysis produced gas pressure self-balancing device and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] see figure 1 and figure 2 , the present embodiment provides a pressure self-balancing device 100 for electrolyzed water gas production, which includes a circular electrolysis unit, the electrolysis unit includes a first cathode 111, a common anode 112, a second cathode 113, a first diaphragm 114, a second Diaphragm 115, electrode holder 116, sealing ring 117, bipolar plate 118 and connecting plate 119 (as image 3 shown).

[0062] The common anode 112 is arranged between the first cathode 111 and the second cathode 113, the first diaphragm 114 is arranged between the first cathode 111 and the common anode 112, and the second diaphragm 115 is arranged between the common anode 112 and the second cathode 113 . In this embodiment, the first cathode 111, the common anode 112 and the second cathode 113 are respectively fixed on the electrode holder 116 through preset grooves, and the electrode holder 116 is provided with a power connection port, which can connect an exter...

Embodiment 2

[0072] see Figure 6 , the present embodiment provides a pressure self-balancing device 100 for electrolyzed water gas production, which includes a circular electrolysis unit, the electrolysis unit includes a first cathode 111, a common anode 112, a second cathode 113, a first diaphragm 114, a second Separator 115 , electrode holder 116 , seal ring 117 , bipolar plate 118 and end plate 120 .

[0073] Among them, the end plate 120 is made of ferritic stainless steel, and the bottom is provided with two electrolyte inlets 1191, which are connected with the liquid inlets at the bottom of the electrodes of each electrolytic unit; The hydrogen, oxygen and electrolyte from each electrolysis unit are introduced into the gas-liquid separator for post-processing; the end plate 120 is fastened and sealed together with the electrolysis unit by 8 ferritic stainless steel bolts.

[0074] During electrolysis, the electrolyte enters from the inlet of the end plate 120, and then enters the e...

Embodiment 3

[0078] see Figure 8 , the present embodiment provides a pressure self-balancing device 100 for electrolyzed water gas production, which includes a circular electrolysis unit, the electrolysis unit includes a first cathode 111, a common anode 112, a second cathode 113, a first diaphragm 114, a second Diaphragm 115 , electrode holder 116 , sealing ring 117 , bipolar plate 118 , connection plate 119 and packaging plate 121 . In this application, the packaging plate 121 can be used to splice two electrolytic units to make them symmetrical.

[0079] The jumper mode of the large electrolysis unit 200 provided in this embodiment is the same as the jumper mode in Embodiment 1, and the structure of the large electrolysis unit 200 obtained is as follows Figure 9 shown.

[0080] The parallel connection mode of the electrolysis system 300 provided in this embodiment is the same as the parallel connection mode in Embodiment 1, and will not be described here again.

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Abstract

The invention discloses a water electrolysis produced gas pressure self-balancing device and an application thereof, and relates to the field of gas pressure self-balancing devices. The device comprises an electrolysis unit, the electrolysis unit comprises a first cathode, a common anode and a second cathode; the common anode is arranged between the first cathode and the second cathode, two side faces of the common anode are opposite to the first cathode and the second cathode respectively, the first cathode and the second cathode are connected in parallel and used for being connected with a negative electrode of an external power supply respectively, and the common anode is used for being connected with a positive electrode of the external power supply. An electrolysis unit without pressure difference can be formed; a special pressure balance part or system does not need to be additionally arranged; the complexity of an electrolysis system is effectively reduced, the cost is reduced,popularization and application of a water electrolysis hydrogen production and oxygen production technology are facilitated, particularly application to alkaline water electrolysis hydrogen productionand oxygen production can be achieved easily, water hydrolysis under a high pressure can be realized easily, the gas production pressure can also be remarkably improved, and the gas production efficiency is greatly improved.

Description

technical field [0001] The invention relates to the field of gas pressure self-balancing devices, in particular to a pressure self-balancing device for producing gas from electrolyzed water and its application. Background technique [0002] Electrolyzed water gas production is a hydrogen and oxygen production process that only consumes electric energy and water, and its gas production process is green and pollution-free. Under the current situation of increasingly severe energy and environmental problems, it is necessary to vigorously develop green energy, and electrolysis of water to gas is the only choice to realize green energy. There are hydrogen and oxygen in the gas produced by electrolysis of water, and hydrogen is a very clean energy carrier. Countries have invested a lot of manpower and financial resources in the development of hydrogen-related industries and technologies, such as hydrogen fuel cell vehicles and hydrogen fuel cell power generation. Although there a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B1/10C25B9/08C25B13/08C25B13/02C25B11/02C25B9/19
CPCC25B13/08C25B13/02C25B11/02C25B1/04C25B9/73C25B9/19Y02E60/36
Inventor 刘太楷宋琛张亚鹏邓春明刘敏
Owner GUANGDONG INST OF NEW MATERIALS
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