阅读说明：本技术 一种固态电解质水电解测试台及其使用方法 (Solid electrolyte water electrolysis test bench and use method thereof ) 是由 关晓雨 王志强 常昊 王朝云 于 2021-06-28 设计创作，主要内容包括：本发明公开了一种固态电解质水电解测试台及其使用方法,涉及水电解技术领域；为了解决固态电解质水电效率的问题；具体包括水电解系统、氢气系统、氧气系统、水热系统、电力系统和控制系统,所述水电解系统设置于水热系统中,且水热系统的输出端通过导线与氢气系统和氧气系统相连接,水热系统的输入端通过导线与控制系统的输出端相连接,电力系统通过导线与水热系统和控制系统相连接,所述的氢气系统包括水氢气分离器、氢气电磁阀、氢气温度传感器、氢气压力传感器、氢气调节阀、储氢罐,且水氢气分离器、氢气调节阀和储氢罐依次设置于水电解系统的氢气出口。本发明具有良好的安全性能、柔顺性、易于加工成膜、优异的界面接触等优势。(The invention discloses a solid electrolyte water electrolysis test bench and a use method thereof, relating to the technical field of water electrolysis; in order to solve the problem of solid electrolyte hydroelectric efficiency; the water electrolysis system is arranged in the hydrothermal system, the output end of the hydrothermal system is connected with the hydrogen system and the oxygen system through leads, the input end of the hydrothermal system is connected with the output end of the control system through leads, the electric system is connected with the hydrothermal system and the control system through leads, the hydrogen system comprises a water-hydrogen separator, a hydrogen electromagnetic valve, a hydrogen temperature sensor, a hydrogen pressure sensor, a hydrogen regulating valve and a hydrogen storage tank, and the water-hydrogen separator, the hydrogen regulating valve and the hydrogen storage tank are sequentially arranged at a hydrogen outlet of the water electrolysis system. The invention has the advantages of good safety performance, flexibility, easy processing into a film, excellent interface contact and the like.)

1. The utility model provides a solid-state electrolyte water electrolysis testboard, includes water electrolysis system (1), hydrogen system (2), oxygen system (3), hydrothermal system (4), electric power system (5) and control system (6), its characterized in that, water electrolysis system (1) sets up in hydrothermal system (4), and hydrothermal system's (4) output is connected with hydrogen system (2) and oxygen system (3) through the wire, and hydrothermal system's (4) input is connected with the output of control system (6) through the wire, and electric power system (5) are connected with hydrothermal system (4) and control system (6) through the wire.

2. The solid electrolyte water electrolysis test bench according to claim 1, wherein the hydrogen system (2) comprises a water-hydrogen separator (21), a hydrogen solenoid valve (22), a hydrogen temperature sensor (23), a hydrogen pressure sensor (24), a hydrogen regulating valve (25) and a hydrogen storage tank (26), and the water-hydrogen separator (21), the hydrogen regulating valve (25) and the hydrogen storage tank (26) are sequentially arranged at a hydrogen outlet of the water electrolysis system (1).

3. The solid electrolyte water electrolysis test bench according to claim 2, wherein the hydrogen temperature sensor (23) and the hydrogen pressure sensor (24) are arranged in the water-hydrogen separator (21), and the hydrogen solenoid valve (22) is arranged at the output end of the water-hydrogen separator (21).

4. A solid electrolyte water electrolysis test bench according to claim 1, characterized in that the oxygen system (3) comprises a water oxygen separator (31), an oxygen solenoid valve (32), an oxygen temperature sensor (33), an oxygen pressure sensor (34) and an oxygen regulating valve (35), and the oxygen separator (31) and the oxygen regulating valve (32) are sequentially arranged at an oxygen outlet of the water electrolysis system (1).

5. A solid-state electrolyte water electrolysis test bench according to claim 4, characterized in that the oxygen temperature sensor (33) and the oxygen pressure sensor (34) are arranged on the water-oxygen separator (31), and the oxygen solenoid valve (35) is arranged on the output end of the water-oxygen separator (31).

6. A solid electrolyte water electrolysis test bench according to claim 1, characterized in that the hydrothermal system (4) comprises a water tank (41), a water pump (42), a water path temperature sensor (43) and a water path pressure sensor (44), and the water tank (41) and the water pump (42) are connected with the circulating outlet of the water electrolysis system (1) through water path conduits in turn.

7. A solid electrolyte water electrolysis test bench according to claim 6, characterized in that the water tank (41) is internally provided with a heating device, and the waterway temperature sensor (43) and the waterway pressure sensor (44) are arranged in the waterway conduit.

8. The solid electrolyte water electrolysis test bench according to claim 1, wherein the power system (5) comprises a power supply system (51) and an electrochemical workstation (52), the power supply system (51) is arranged at the input end and the output end of the water electrolysis system (1), and the power supply system (51) is connected with the water-hydrogen separator (21), the hydrogen solenoid valve (22), the hydrogen temperature sensor (23), the hydrogen pressure sensor (24), the hydrogen regulating valve (25), the oxygen separator (31), the oxygen solenoid valve (32), the oxygen temperature sensor (33), the oxygen pressure sensor (34), the oxygen regulating valve (35), the water pump (42), the water path temperature sensor (43) and the water path pressure sensor (44) through leads.

9. A solid electrolyte water electrolysis test bench according to claim 8, characterized in that said electrochemical workstation (52) is arranged in the water electrolysis system (1).

10. The use method of the solid electrolyte water electrolysis test bench is characterized by comprising the following steps:

s1: clamping a water electrolysis cell test sample in a water electrolysis test bench, electrifying the test bench, and checking whether the functions of all modules are normal;

s2: firstly, opening a heating device in a water tank, enabling the water in the water tank to reach the measured temperature, opening a water pump, and circulating deionized water to the interior of a sample of a measured water electrolytic cell;

s3: opening a power supply system to slowly apply voltage on a water electrolysis cell sample, and carrying out electrolysis operation until the performance is stable;

s4: the temperature and pressure of each subsystem and the voltage and current information of a power supply system are collected through a control system, so that the activation and the test of the water electrolytic cell are completed;

s5: in addition, the device can be connected with a water electrolysis cell through an electrochemical workstation, and various electrochemical characteristics such as linear scanning, cyclic voltammetry scanning and the like are tested.

Technical Field

The invention relates to the technical field of water electrolysis, in particular to a solid electrolyte water electrolysis test bench and a using method thereof.

Background

With the continuous development of human society, the energy revolution is towards the trend of carbon reduction and hydrogenation, and the hydrogen energy is paid much attention by people due to the advantages of wide resources, various sources, high energy density, cleanness, no pollution and the like, in recent years, the development of the hydrogen energy is driven to a highway, especially, the rapid development of the hydrogen energy is promoted by the large-scale popularization of fuel cells in recent years, hundreds of hydrogen stations are established at present globally for the demonstration operation of the hydrogen energy and fuel cell industry, and a foundation is laid for the subsequent large-scale commercial application.

At present, the hydrogen gas mainly comes from ash hydrogen, blue hydrogen and green hydrogen, wherein the hydrogen production from fossil energy is called ash hydrogen, the hydrogen production from fossil energy and carbon capture are called blue hydrogen, and the hydrogen production from renewable energy through water electrolysis is called green hydrogen. The route of green hydrogen is not limited by fossil energy, has wide sources and is clean and pollution-free, and the hydrogen production route is considered to be ideal in the future, wherein the water electrolysis technology is the key technology for realizing the route. Solid electrolyte water electrolysis (SPE) is a recent hot topic for solid electrolyte water electrolysis technology because of the advantages of large current density, high conversion efficiency and the like, which is considered as an ideal way for large-scale hydrogen production in the future. Compared with the alkaline water electrolysis technology, the solid electrolyte water electrolysis technology has different core electrolyte types and different related characterization methods, so that a test bench for solid electrolyte water electrolysis and a use method thereof are urgently needed.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a solid electrolyte water electrolysis test bench and a using method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

a solid electrolyte water electrolysis test bench comprises a water electrolysis system, a hydrogen system, an oxygen system, a hydrothermal system, an electric power system and a control system, wherein the water electrolysis system is arranged in the hydrothermal system, the output end of the hydrothermal system is connected with the hydrogen system and the oxygen system through leads, the input end of the hydrothermal system is connected with the output end of the control system through leads, and the electric power system is connected with the hydrothermal system and the control system through leads.

Preferably: the hydrogen system comprises a water-hydrogen separator, a hydrogen electromagnetic valve, a hydrogen temperature sensor, a hydrogen pressure sensor, a hydrogen regulating valve and a hydrogen storage tank, wherein the water-hydrogen separator, the hydrogen regulating valve and the hydrogen storage tank are sequentially arranged at a hydrogen outlet of the water electrolysis system.

Further: the hydrogen temperature sensor and the hydrogen pressure sensor are arranged in the water-hydrogen separator, and the hydrogen electromagnetic valve is arranged at the output end of the water-hydrogen separator.

On the basis of the scheme: the oxygen system comprises a water-oxygen separator, an oxygen solenoid valve, an oxygen temperature sensor, an oxygen pressure sensor and an oxygen regulating valve, and the oxygen separator and the oxygen regulating valve are sequentially arranged at an oxygen outlet of the water electrolysis system.

The better scheme in the scheme is as follows: the oxygen temperature sensor and the oxygen pressure sensor are arranged on the water-oxygen separator, and the oxygen electromagnetic valve is arranged at the output end of the water-oxygen separator.

As a further scheme of the invention: the hydrothermal system comprises a water tank, a water pump, a water path temperature sensor and a water path pressure sensor, and the water tank and the water pump are connected with a circulating outlet of the water electrolysis system through a water path guide pipe in sequence.

Meanwhile, a heating device is arranged inside the water tank, and a water path temperature sensor and a water path pressure sensor are arranged in the water path guide pipe.

As a preferable aspect of the present invention: the power system comprises a power supply system and an electrochemical workstation, the power supply system is arranged at the input end and the output end of the water electrolysis system, and the power supply system is connected with the water-hydrogen separator, the hydrogen electromagnetic valve, the hydrogen temperature sensor, the hydrogen pressure sensor, the hydrogen regulating valve, the oxygen separator, the oxygen electromagnetic valve, the oxygen temperature sensor, the oxygen pressure sensor, the oxygen regulating valve, the water pump, the waterway temperature sensor and the waterway pressure sensor through leads.

Meanwhile, the electrochemical workstation is arranged in the water electrolysis system.

A method for using a solid electrolyte water electrolysis test bench comprises the following steps:

s1: clamping a water electrolysis cell test sample in a water electrolysis test bench, electrifying the test bench, and checking whether the functions of all modules are normal;

s2: firstly, opening a heating device in a water tank, enabling the water in the water tank to reach the measured temperature, opening a water pump, and circulating deionized water to the interior of a sample of a measured water electrolytic cell;

s3: opening a power supply system to slowly apply voltage on a water electrolysis cell sample, and carrying out electrolysis operation until the performance is stable;

s4: the temperature and pressure of each subsystem and the voltage and current information of a power supply system are collected through a control system, so that the activation and the test of the water electrolytic cell are completed;

s5: in addition, the device can be connected with a water electrolysis cell through an electrochemical workstation, and various electrochemical characteristics such as linear scanning, cyclic voltammetry scanning and the like are tested.

The invention has the beneficial effects that:

1. the solid electrolyte water electrolysis test bench and the use method thereof can be used for activating and testing a solid electrolyte water electrolysis cell, and have the advantages of good safety performance, flexibility, easiness in processing into a film, excellent interface contact and the like.

2. The solid electrolyte water electrolysis test bench and the use method thereof can perform electrochemical characterization on the solid electrolyte water electrolysis cell, save the time for assembling and disassembling the electrolytic cell stack, and greatly improve the regeneration efficiency of the SPE water electrolysis cell.

3. The solid electrolyte water electrolysis test bench and the use method thereof adopt a modular design, the test bench is easy to operate and convenient to maintain, and a low-cost regeneration method is adopted, so that the service life of the SPE water electrolysis cell can be prolonged efficiently and rapidly, and the operation cost of the SPE water electrolysis cell is reduced.

Drawings

FIG. 1 is a schematic diagram of a solid electrolyte water electrolysis test station according to the present invention;

fig. 2 is a schematic view of a flow structure of a solid electrolyte water electrolysis test bench according to the present invention.

In the figure: the system comprises a water electrolysis system 1, a hydrogen electrolysis system 2, a hydrogen and water separator 21, a hydrogen and water separator 22, a hydrogen solenoid valve 23, a hydrogen temperature sensor 24, a hydrogen pressure sensor 25, a hydrogen regulating valve 26, a hydrogen storage tank 3, a water and oxygen separator 31, an oxygen solenoid valve 32, an oxygen temperature sensor 33, an oxygen pressure sensor 34, an oxygen regulating valve 35, a water heating system 4, a water tank 41, a water pump 42, a water path temperature sensor 43, a water path pressure sensor 44, an electric power system 5, a power supply system 51, an electrochemical workstation 52 and a control system 6.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

a solid electrolyte water electrolysis test bench is shown in figures 1-2 and comprises a water electrolysis system 1, a hydrogen system 2, an oxygen system 3, a hydrothermal system 4, an electric power system 5 and a control system 6, wherein the water electrolysis system 1 is arranged in the hydrothermal system 4, the output end of the hydrothermal system 4 is connected with the hydrogen system 2 and the oxygen system 3 through leads, the input end of the hydrothermal system 4 is connected with the output end of the control system 6 through leads, and the electric power system 5 is connected with the hydrothermal system 4 and the control system 6 through leads.

As shown in fig. 2, the hydrogen system 2 includes a water-hydrogen separator 21, a hydrogen solenoid valve 22, a hydrogen temperature sensor 23, a hydrogen pressure sensor 24, a hydrogen regulating valve 25, and a hydrogen storage tank 26, the water-hydrogen separator 21, the hydrogen regulating valve 25, and the hydrogen storage tank 26 are sequentially connected to a hydrogen outlet of the water electrolysis system 1 through wires, the hydrogen temperature sensor 23 and the hydrogen pressure sensor 24 are connected to the water-hydrogen separator 21 through bolts, and the hydrogen solenoid valve 22 is connected to an output end of the water-hydrogen separator 21 through bolts.

As shown in fig. 2, the oxygen system 3 includes a water-oxygen separator 31, an oxygen solenoid valve 32, an oxygen temperature sensor 33, an oxygen pressure sensor 34 and an oxygen regulating valve 35, the oxygen separator 31 and the oxygen regulating valve 32 are connected to an oxygen outlet of the water electrolysis system 1 in sequence through wires, the oxygen temperature sensor 33 and the oxygen pressure sensor 34 are connected to the water-oxygen separator 31 through bolts, and the oxygen solenoid valve 35 is connected to an output end of the water-oxygen separator 31 through bolts.

As shown in fig. 2, the hydrothermal system 4 includes a water tank 41, a water pump 42, a water channel temperature sensor 43 and a water channel pressure sensor 44, the water tank 41 and the water pump 42 are connected to the circulation outlet of the water electrolysis system 1 through a water channel conduit in sequence, a heating device is disposed inside the water tank 41, and the water channel temperature sensor 43 and the water channel pressure sensor 44 are connected to the water channel conduit through bolts.

As shown in fig. 2, the power system 5 includes a power supply system 51 and an electrochemical workstation 52, the power supply system 51 is connected to the input and output of the water electrolysis system 1 through wires, the power supply system 51 is connected to the water-hydrogen separator 21, the hydrogen solenoid valve 22, the hydrogen temperature sensor 23, the hydrogen pressure sensor 24, the hydrogen regulating valve 25, the oxygen separator 31, the oxygen solenoid valve 32, the oxygen temperature sensor 33, the oxygen pressure sensor 34, the oxygen regulating valve 35, the water pump 42, the water circuit temperature sensor 43 and the water circuit pressure sensor 44 through wires, and the electrochemical workstation 52 is connected to the water electrolysis system 1 through bolts.

When the test device is used, a water electrolysis cell test sample is clamped in a water electrolysis test bench, the test bench is electrified, and whether the functions of all modules are normal is checked; firstly, opening a heating device in a water tank, enabling the water in the water tank to reach the measured temperature, opening a water pump, and circulating deionized water to the interior of a sample of a measured water electrolytic cell; opening a power supply system to slowly apply voltage on a water electrolysis cell sample, and carrying out electrolysis operation until the performance is stable; the temperature and pressure of each subsystem and the voltage and current information of a power supply system are collected through a control system, so that the activation and the test of the water electrolytic cell are completed; in addition, the device can be connected with a water electrolysis cell through an electrochemical workstation, and various electrochemical characteristics such as linear scanning, cyclic voltammetry scanning and the like are tested.

Example 2:

a method for using a solid electrolyte water electrolysis test bench comprises the following steps:

s1: clamping a water electrolysis cell test sample in a water electrolysis test bench, electrifying the test bench, and checking whether the functions of all modules are normal;

s2: firstly, opening a heating device in a water tank, enabling the water in the water tank to reach the measured temperature, opening a water pump, and circulating deionized water to the interior of a sample of a measured water electrolytic cell;

s3: opening a power supply system to slowly apply voltage on a water electrolysis cell sample, and carrying out electrolysis operation until the performance is stable;

s4: the temperature and pressure of each subsystem and the voltage and current information of a power supply system are collected through a control system, so that the activation and the test of the water electrolytic cell are completed;

s5: in addition, the device can be connected with a water electrolysis cell through an electrochemical workstation, and various electrochemical characteristics such as linear scanning, cyclic voltammetry scanning and the like are tested.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.