Novel polar plate and electrolytic bath device

Abstract

The utility model discloses a novel polar plate and electrolytic bath device, which comprises a polar plate body, the front surface of the polar plate body is provided with a runner, the back surface and the side wall of the polar plate body are respectively provided with an inlet and an outlet, and the two inlets and the two outlets are respectively communicated with two ends of the runner; the inlets and the outlets are formed in the side walls and the back surfaces of the polar plates, so that the joints and the pipelines can be arranged on the back surfaces or the side walls of the polar plates, the electrolytic bath device can be conveniently used in a narrow space, and the applicability of the electrolytic bath device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrolytic cell technical field, concretely relates to a novel polar plate and electrolytic cell device. BACKGROUND

[0002] At present, electrolytic cell is composed of cell body, anode and cathode, and most of them are separated by diaphragm. When direct current passes through electrolytic cell, oxidation reaction occurs at the interface between anode and solution, and reduction reaction occurs at the interface between cathode and solution to produce the required product.

[0003] The existing polar plate in electrolytic cell assembly is generally provided with water inlet and outlet on the back surface, and a joint and a pipeline are arranged on the back surface of the polar plate, which lengthens the length of the electrolytic cell assembly in the transverse direction, so that it is not suitable for experiments in narrow space, and the applicability is low.

[0004] Therefore, the prior art still needs to be improved and developed. UTILITY MODEL CONTENT

[0005] In view of the above shortcomings of the prior art, the utility model aims to provide a novel polar plate and electrolytic cell device, which aims to solve the problem that the existing polar plate is generally provided with water inlet and outlet on the back surface, which is not suitable for experiments in narrow space, and the applicability is low.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows:

[0007] A novel polar plate comprises:

[0008] The polar plate body is provided with a flow channel on the front surface, and the back surface and the side wall of the polar plate body are provided with inlet and outlet, and the two inlets and the two outlets are respectively communicated with the two ends of the flow channel.

[0009] Further, the two inlets of the polar plate body are vertically arranged and communicated with each other, and the two outlets of the polar plate body are vertically arranged and communicated with each other; the inside of the two inlets and the two outlets of the polar plate body is provided with threads, and the adapter is threadedly connected.

[0010] An electrolytic cell device comprises a novel polar plate as described above, and further comprises:

[0011] Two polar plate bodies, the two polar plate bodies are respectively anode plate and cathode plate;

[0012] A reaction assembly is arranged between the two polar plate bodies for electrolysis reaction.

[0013] Further, the reaction assembly comprises:

[0014] The first reaction sheet is arranged on one side of the anode plate and is used for shielding the flow channel of the anode plate.

[0015] The first gasket is arranged on one side of the anode plate, and a first slot hole is arranged in the middle of the first gasket.

[0016] The second reaction sheet is arranged on one side of the cathode plate and is used for shielding the flow channel of the cathode plate.

[0017] The second gasket is arranged on one side of the cathode plate, and a second slot hole is arranged in the middle of the second gasket.

[0018] The first exchange film is arranged between the first reaction sheet and the second reaction sheet and is used for shielding the first reaction sheet and the second reaction sheet.

[0019] Further, the electrolytic cell device further comprises:

[0020] The second exchange film is arranged on the side of the second reaction sheet away from the cathode plate.

[0021] The intermediate electrolytic cell plate is arranged between the first exchange film and the second exchange film, and a through channel is arranged in the interior of the intermediate electrolytic cell plate.

[0022] The two sides of the through channel are respectively in abutment with the first exchange film and the second exchange film, so as to exchange the electrolyzed cations and anions into the through channel and combine into pure products in the through channel.

[0023] Further, the surface size of the first exchange film is greater than the surface size of the first reaction sheet.

[0024] Further, the surface size of the second exchange film is greater than the surface size of the second reaction sheet.

[0025] Further, one side of the intermediate electrolytic cell plate is provided with a recess, and the cathode plate is located in the recess.

[0026] Further, one side of the intermediate electrolytic cell plate is provided with two grooves, and the two grooves are respectively in communication with the fifth inlet and the fifth outlet.

[0027] Further, the anode plate and the cathode plate are provided with heating holes in the side walls, and heating rods are arranged in the heating holes.

[0028] Compared with the prior art, the utility model has the advantages of:

[0029] In the utility model, the front surface of the polar plate body is provided with a flow channel, the back surface and the side wall of the polar plate body are provided with an inlet and an outlet, and the two inlets and the two outlets are communicated with the two ends of the flow channel; the inlets and the outlets are arranged on the side wall and the back surface of the polar plate, so that the joint and the pipeline are arranged on the back surface or the side wall of the polar plate, the electrolytic cell device is convenient to use in a narrow space, and the applicability of the electrolytic cell device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a polar plate body structure schematic view of the utility model.

[0031] Figure 2 It is an electrolytic cell device structure schematic view of the utility model.

[0032] Figure 3 It is a second flow channel structure schematic view of the utility model.

[0033] Figure 4 It is a second outlet and fourth outlet structure schematic view of the utility model.

[0034] Figure 5 It is an anode plate, a cathode plate and an intermediate electrolytic cell plate structure schematic view of the utility model.

[0035] Figure 6 It is a reaction assembly structure schematic view of the utility model.

[0036] Figure 7 It is an intermediate electrolytic cell plate structure schematic view of the utility model.

[0037] The numbers in the drawing represent that: 1, an anode plate; 11, a first flow channel; 12, a first inlet; 13, a first outlet; 14, a second inlet; 15, a second outlet; 2, a cathode plate; 21, a second flow channel; 22, a third inlet; 23, a third outlet; 24, a fourth inlet; 25, a fourth outlet; 3, a reaction assembly; 31, a first reaction sheet; 32, a first gasket; 33, a second reaction sheet; 34, a second gasket; 35, a first exchange film; 36, a second exchange film; 4, an intermediate electrolytic cell plate; 41, a channel; 42, a fifth inlet; 43, a fifth outlet; 44, a groove; 45, a sink; 5, a through hole; 6, a heating hole; 61, a heating rod; 7, a polar plate body; 71, an inlet; 72, an outlet. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and effect of the utility model more clear, definite, the following will be further described in detail with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0039] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included one or more. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0040] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0041] In view of the deficiencies of the prior art, the embodiment provides a new type of polar plate and electrolytic cell device, which can be specifically referred to as follows:

[0042] As shown in the accompanying Figure 1 A new type of polar plate includes a polar plate body 7, the front surface of the polar plate body 7 is provided with a flow channel, the back surface and the side wall of the polar plate body 7 are provided with an inlet 71 and an outlet 72, two inlets 71 and two outlets 72 are connected with two ends of the flow channel respectively, the inlet 71 is connected with the external water inlet pipe, and the outlet 72 is connected with the external water outlet pipe; by arranging the inlet 71 and the outlet 72 on the side wall and the back surface of the polar plate body 7, the joint and the pipeline can be arranged on the back surface or the side wall of the polar plate body 7, which facilitates the use of the electrolytic cell device in a narrower space, so as to improve the applicability of the electrolytic cell device.

[0043] In this embodiment, the two inlets 71 of the electrode body 7 are arranged vertically and connected to each other, and the two outlets 72 of the electrode body 7 are arranged vertically and connected to each other. The vertical arrangement of the two inlets 71 and the two outlets 72 can ensure the stability of the internal channel and facilitate processing. The two inlets 71 and the two outlets 72 of the electrode body 7 are all provided with threads so that the internal threads of the two inlets 71 and the two outlets 72 of the electrode body 7 are fitted with adapters to facilitate connection with external pipes.

[0044] As attached Figure 2 Appendix Figure 3 and attached Figure 4 As shown, this application also provides an electrolytic cell apparatus, including two electrode bodies 7 and a reaction assembly 3. The two electrode bodies 7 are an anode plate 1 and a cathode plate 2, respectively. A first flow channel 11 is provided on one side of the anode plate 1, and a first inlet 12 and a first outlet 13 are provided on the other side. A second inlet 14 and a second outlet 15 are provided on the side wall of the anode plate 1. The first inlet 12 and the second inlet 14 are both connected to one end of the first flow channel 11, and the first outlet 13 and the second outlet 15 are both connected to the other end of the first flow channel 11. The cathode plate 2 is disposed on one side of the anode plate 1, and a second flow channel 21 is provided on one side of the cathode plate 2. The cathode plate 2 is located away from the anode plate. A third inlet 22 and a third outlet 23 are provided on one side of the anode plate 1, and a fourth inlet 24 and a fourth outlet 25 are provided on the side wall of the cathode plate 2. The third inlet 22 and the fourth inlet 24 are both connected to one end of the second flow channel 21, and the third outlet 23 and the fourth outlet 25 are both connected to the other end of the second flow channel 21. By providing inlets and outlets on the side wall and back of the anode plate 1 and the side wall and back of the cathode plate 2, the joints and pipes can be located on the back or side wall of the anode plate 1 and the cathode plate 2, which facilitates the use of the electrolytic cell device in a narrow space. Users can select the water inlet and outlet methods according to experimental needs to improve the applicability of the electrolytic cell device.

[0045] In this embodiment, after selecting the inlet and outlet ports on one side of the anode plate 1 and the cathode plate 2, the inlet and outlet ports on the other side can be sealed by plugs or the like.

[0046] One embodiment of this application is shown in the appendix. Figure 6As shown, the reaction assembly 3 includes a first reaction sheet 31, a first gasket 32, a second reaction sheet 33, a second gasket 34 and a first exchange film 35; the first flow channel 11 is provided with the first reaction sheet 31, the first reaction sheet 31 is provided with a catalyst layer, the side of the anode plate 1 provided with the first flow channel 11 is further provided with the first gasket 32, the first gasket 32 is provided with a first slot hole in the middle, the first reaction sheet 31 is arranged in the first slot hole, the side of the first reaction sheet 31 away from the first flow channel 11 is provided with the first exchange film 35, the size of the first exchange film 35 is greater than the size of the first reaction sheet 31, the first exchange film 35 is used to shield the first reaction sheet 31 and replace the cations in the first flow channel 11 into the channel 41; the second flow channel 21 is provided with the second reaction sheet 33, the second reaction sheet 33 is provided with a catalyst layer, the side of the cathode plate 2 provided with the second flow channel 21 is further provided with the second gasket 34, the second gasket 34 is provided with a second slot hole in the middle, the second reaction sheet 33 is arranged in the second slot hole.

[0047] Specifically, water is filled into the first flow channel 11 through the second inlet 14, the water flows in the first flow channel 11, contacts the first reaction sheet 31 and reacts, an oxygen evolution reaction occurs, oxygen is discharged with water through the second outlet 15 and collected, and hydrogen ions enter the channel 41 through the first exchange film 35; water is filled into the second flow channel 21 through the third inlet 22, the water flows in the second flow channel 21, contacts the second reaction sheet 33 and reacts, a reduction reaction occurs, hydrogen is discharged with water through the third outlet 23 and collected.

[0048] In an embodiment of the present application, as shown in the accompanying drawings Figure 5 and the accompanying drawings Figure 6As shown, the electrolytic cell device further comprises an intermediate electrolytic cell plate 4 and a second exchange film 36; the second exchange film 36 is arranged on one side of the second reaction sheet 33, the intermediate electrolytic cell plate 4 is located between the first exchange film 35 and the second exchange film 36, the first flow channel 11 is used to fill water inside and generate oxygen by the internal anode catalyst and the oxygen evolution reaction; the second flow channel 21 is used to fill water or CO2 / O2 gas inside and generate hydrogen or anions by the internal cathode catalyst and the reduction reaction; the intermediate electrolytic cell plate 4 is located between the anode plate 1 and the cathode plate 2 and abuts each other, the inside of the intermediate electrolytic cell plate 4 is provided with a through channel 41, that is, the two sides of the channel 41 pass through the intermediate electrolytic cell plate 4, the channel 41 is provided with a solid electrolyte, the two ends of the channel 41 are respectively provided with a fifth inlet 42 and a fifth outlet 43, the fifth inlet 42 and the fifth outlet 43 pass through the intermediate electrolytic cell plate 4, the fifth inlet 42 is in communication with the external inert gas pipeline or the deionized water pipeline, and the fifth outlet 43 is in communication with the external collection cavity; by abutting the two sides of the channel 41 with the first exchange film 35 and the second exchange film 36 respectively, the cations electrolyzed in the first flow channel 11 and the anions electrolyzed in the second flow channel 21 can be exchanged into the channel 41, and then reacted and combined into pure products through the solid electrolyte in the channel 41, and then the inert gas or deionized water of the fifth inlet 42 is used to discharge the pure products into the external collection cavity; by arranging the intermediate electrolytic cell plate 4, not only water can be electrolyzed to generate hydrogen and oxygen, but also pure products can be produced, thereby further improving the versatility and practicality of the device.

[0049] Specifically, the intermediate electrolytic cell plate 4 is mainly made of ABS plastic, and the microspheres polymerized by styrene and vinyl ethylbenzene as monomers are used as solid electrolytes, and the solid electrolytes are located in the channel 41. Under the action of the direct current power supply, the anode generates the oxygen evolution reaction, and the water is oxidized into O2 and H + , H + , which enters the solid electrolyte in the intermediate electrolytic cell plate 4 through the proton exchange film under the action of the electric field; the cathode generates the reduction reaction, and the CO2 is reduced into HCOO - / CH3COO - / CH3O - / CH3CH2O - , etc. or O2 is reduced into HO2 -Anions pass through anion exchange membranes into the solid electrolyte in the intermediate electrolytic cell plate 4. In the intermediate electrolyte layer, cations and anions automatically combine to form pure products such as HCOOH / CH3COOH / CH3OH / CH3CH2OH or H2O2. These pure products are then carried out by inert gases such as N2 / Ar or deionized water. These products require no further purification and can be directly used as chemicals or applied in various fields such as microbial fermentation and plastic degradation, thereby improving the practicality of this novel electrolytic cell.

[0050] Furthermore, the surface of the first exchange membrane 35 covers the first gasket 32 ​​to completely block the first reaction plate 31; the surface of the second exchange membrane 36 covers the second gasket 34 to completely block the second reaction plate 33.

[0051] In this embodiment, the length and width of channel 41 are the same as the length and width of the first flow channel 11 and the second flow channel 21.

[0052] In this embodiment, as shown in the appendix Figure 7 As shown, a groove 44 is provided on one side of the intermediate electrolytic cell plate 4, and the cathode plate 2 is located in the groove 44. By providing a groove 44 on one side of the intermediate electrolytic cell plate 4, not only can the thickness of the channel 41 be controlled, but the cathode plate 2 can also be conveniently positioned and installed.

[0053] Furthermore, the side of the intermediate electrolytic cell plate 4 closest to the anode plate 1 is flat.

[0054] In this embodiment, two settling tanks 45 are provided on one side of the intermediate electrolytic cell plate 4. The two settling tanks 45 are respectively connected to the fifth inlet 42 and the fifth outlet 43. The inner wall of the settling tank 45 is provided with threads so that the internal threads of the settling tank 45 are fitted with adapters to facilitate communication with external pipelines. When the settling tank 45 is used, the fifth inlet 42 and the fifth outlet 43 can be sealed by plugs.

[0055] Furthermore, the fifth inlet 42 is located at the top of the intermediate electrolytic cell plate 4 to facilitate the introduction of inert gas; the first outlet 13 is located at the bottom of the intermediate electrolytic cell plate 4 to facilitate the discharge of pure substances and inert gas.

[0056] In this embodiment, as shown in the appendix Figure 7 As shown, channel 41 is an "S"-shaped channel, and the fifth inlet 42 and the fifth outlet 43 are connected to the two ends of the "S"-shaped channel respectively, so as to facilitate the flushing out of pure substances by inert gas or deionized water.

[0057] In the embodiment, the anode plate 1, the cathode plate 2 and the intermediate electrolytic cell plate 4 are all provided with a plurality of through holes 5, the through holes 5 are one-to-one corresponding, and a screw rod is arranged in each through hole 5, and nuts are arranged at two ends of the screw rod, so that the anode plate 1, the cathode plate 2 and the intermediate electrolytic cell plate 4 can be fixed through the nuts and gaskets.

[0058] Further, heating holes 6 can be arranged on the side walls of the anode plate 1 and the cathode plate 2, a heating rod 61 is arranged in each heating hole 6, so that the anode plate 1 and the cathode plate 2 can be heated, and the chemical reaction inside is improved.

[0059] Further, the first flow channel 11 and the second flow channel 21 of the anode plate 1 and the cathode plate 2 are both S-shaped flow channels, and can also be arranged as parallel straight channels or single, double, triple or multiple row snake channels and bionic flow channels according to requirements.

[0060] Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. The specification and examples given are considered exemplary only, and the true scope and spirit of the application is indicated by the claims. The claims should not be limited by the embodiments set forth in the examples, but should be given the broadest interpretation available.

Claims

1. A novel plate, characterized by, Comprising: The positive plate body; the front of the positive plate body is provided with a flow channel, the back of the positive plate body and the side wall are provided with an inlet and an outlet, and the two inlets and the two outlets are respectively communicated with the two ends of the flow channel.

2. A novel plate according to claim 1, characterized in that The two inlets of the positive plate body are vertically arranged and communicated with each other, and the two outlets of the positive plate body are vertically arranged and communicated with each other; the interiors of the two inlets and the two outlets of the positive plate body are provided with threads, and the adapter is threadedly connected.

3. An electrolytic cell apparatus comprising a novel electrode plate as claimed in any one of claims 1-2, characterized in that, Also comprising: Two positive plate bodies; the two positive plate bodies are respectively an anode plate and a cathode plate; A reaction assembly is arranged between the two positive plate bodies for electrolysis reaction.

4. An electrolytic cell apparatus as claimed in claim 3, wherein The reaction assembly comprises: A first reaction sheet arranged on one side of the anode plate for shielding the flow channel of the anode plate; A first gasket arranged on one side of the anode plate; a first slot hole is formed in the middle of the first gasket, and the first slot hole is matched with the first reaction sheet; A second reaction sheet arranged on one side of the cathode plate for shielding the flow channel of the cathode plate; A second gasket arranged on one side of the cathode plate; a second slot hole is formed in the middle of the second gasket, and the second slot hole is matched with the second reaction sheet; A first exchange film arranged between the first reaction sheet and the second reaction sheet and used for separating the first reaction sheet and the second reaction sheet.

5. An electrolytic cell apparatus as claimed in claim 4, wherein The electrolytic cell device further comprises: A second exchange film arranged on the side of the second reaction sheet away from the cathode plate; An intermediate electrolytic cell plate arranged between the first exchange film and the second exchange film; the interior of the intermediate electrolytic cell plate is provided with a through channel, the through channel is provided with a solid electrolyte, two ends of the through channel are respectively provided with a fifth inlet and a fifth outlet, the fifth inlet and the fifth outlet penetrate the intermediate electrolytic cell plate, the fifth inlet is communicated with an inert gas pipeline, and the fifth outlet is communicated with an external collection cavity; The two sides of the through channel are respectively abutted with the first exchange film and the second exchange film, so as to exchange the electrolyzed cations and anions into the through channel and combine into pure products in the through channel.

6. An electrolytic cell apparatus as claimed in claim 4, wherein The surface size of the first exchange film is greater than the surface size of the first reaction sheet.

7. An electrolytic cell apparatus as claimed in claim 5, wherein The surface size of the second exchange film is greater than the surface size of the second reaction sheet.

8. An electrolytic cell apparatus as claimed in claim 5, wherein One side of the intermediate electrolytic cell plate is provided with a groove, and the cathode plate is located in the groove.

9. An electrolytic cell apparatus as claimed in claim 5, wherein One side of the intermediate electrolytic cell plate is provided with two grooves, the two grooves are respectively communicated with the fifth inlet and the fifth outlet, the inner wall of the groove is provided with threads, and the groove is threadedly connected with the adapter.

10. An electrolytic cell apparatus as claimed in claim 3, wherein Heating holes are formed in the side walls of the anode plate and the cathode plate, and heating rods are arranged in the heating holes.

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