Cavity foam nickel type power connection plate electric pile

By using a cavity foam nickel-type electrical connection plate in the stack, the contact area between the electrode and the electrolyte is increased, the problem of low reaction efficiency of the existing stack is solved and a higher reaction efficiency is achieved.

CN222613488UActive Publication Date: 2025-03-14WUHU ERYI MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202421381402.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-03-14
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

In existing stacks, the contact area between the electrode and the electrolyte is small, resulting in a low reaction efficiency.

Method used

A cavity foam nickel-type electric plate stack is used to prevent electrolytic reactions from occurring at the liquid inlet and outlet by setting nickel foam inside the electric plate and fixing nickel foam with circular grooves.

Benefits of technology

The contact area between the electrode and the electrolyte is significantly improved, the reaction efficiency is improved, and the stack has higher efficiency during electrolytic reaction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model introduces a novel galvanic pile power connection plate structure, the structure is named as a cavity foam nickel type power connection plate, and the power connection plate can be used as a novel power connection plate type due to the fact that the interior of the power connection plate is made of foam nickel, and the power connection plate is tightly connected with a metal plate and is reliable in sealing. The electric pile comprises fixing parts (2) which are fixedly arranged at two ends of an electric pile main body (1) in a mirror image manner; the clamping component (3) is fixedly arranged in the fixing component (2); the reaction parts (4) are fixedly arranged at the two ends of the fixed part (2); the sealing component (5) is fixedly arranged on the side edge of the interior of the clamping component (3), compared with a flow channel type power connection plate, a galvanic pile formed by the power connection plate has a larger contact area between an electrode and an electrolyte, and a catalyst can be loaded on foamed nickel, so that the electrolytic efficiency is effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of a series of electric pile reactors for electrolyzing water to produce hydrogen and other electrochemical products, in particular to a cavity foam nickel type electric plate electric pile. Background Art

[0002] The key parameters that affect the performance of the battery stack include the electrode reaction area, the conductivity of the electrolyte, the catalytic efficiency of the catalyst, and the electrode spacing. Common battery stacks are basically composed of components such as end plates, connection plates, and gaskets. The electrodes are generally in contact with the electrolyte and the electrolysis reaction occurs on this structure. In a parallel battery stack, this electrode is the energized connection plate, and the contact area of ​​this reaction is the surface area of ​​the connection plate where the internal flow channel contacts the electrolyte. Usually, in a battery stack, the contact area between the electrode and the electrolyte is small, which makes the reaction efficiency low during the reaction. Utility Model Content

[0003] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a cavity nickel foam type connection plate battery stack, comprising

[0004] A fixing component, wherein the fixing component is fixedly disposed at both ends of the battery stack body in a mirror-image manner;

[0005] A clamping component, wherein the clamping component is fixedly disposed inside the fixing component;

[0006] A reaction component, wherein the reaction component is fixedly arranged at two ends of the fixed component;

[0007] A sealing component, wherein the sealing component is fixedly arranged on the inner side of the clamping component, wherein:

[0008] The fixing component can provide a fixing and installation space for the clamping component and the reaction component, and the clamping component and the sealing component can provide a fixing and sealing effect on the inside of the battery stack body, and an electrolytic reaction is carried out through the reaction component and the inside of the clamping component.

[0009] Furthermore, the fixing component comprises:

[0010] End pressure plates, two sets of end pressure plates are mirror-image-fixedly arranged at two ends of the battery stack body;

[0011] Arc-shaped openings, a plurality of said arc-shaped openings are opened inside the two groups of said end pressure plates;

[0012] Fixed rods, a plurality of the fixed rods passing through a plurality of the arc-shaped openings and movably arranged at the inner ends of the two groups of end pressure plates;

[0013] Nuts, several of which are movably arranged at one end of several of the fixing rods.

[0014] Furthermore, the clamping component comprises:

[0015] A cavity power board, wherein a plurality of the cavity power boards are fixedly disposed in mirror images inside the two groups of end pressure plates;

[0016] Fixing holes, some of which are opened on the outsides of some of the cavity power boards;

[0017] A plurality of the fixing holes match a plurality of the fixing rods;

[0018] A contact component is fixedly arranged inside the clamping component.

[0019] Furthermore, the contact component comprises:

[0020] Nickel foam, a plurality of said nickel foams are clamped and fixedly arranged inside a plurality of said cavity power boards, and a group of said nickel foams is clamped by every two groups of said cavity power boards;

[0021] Liquid inlets, some of which are provided on one side of some of the cavity electrical connection plates;

[0022] Liquid outlets, some of which are opened on the other side of some of the cavity electrical connection plates;

[0023] Some of the nickel foams are non-rigid entities and can be squeezed. Some of the nickel foams have a large number of tiny pores on the surface and inside, and will deform irreversibly after being squeezed.

[0024] Furthermore, the reaction component comprises:

[0025] A cathode chamber electrolyte inlet, the cathode chamber electrolyte inlet is fixedly arranged at the front end of the left side of the end pressure plate;

[0026] A hydrogen cathode electrolyte outlet, wherein the hydrogen cathode electrolyte outlet is fixedly arranged at the rear end of the left side of the end pressure plate;

[0027] An anode chamber electrolyte inlet, the anode chamber electrolyte inlet is fixedly arranged at the front end of the right side of the end pressure plate;

[0028] The oxygen anode electrolyte outlet is fixedly arranged at the rear end of the right side of the end pressure plate.

[0029] Furthermore, the sealing component comprises:

[0030] Gaskets, a plurality of the gaskets are fixedly arranged on one side of a plurality of the nickel foams;

[0031] Insulating O-rings, a plurality of said insulating O-rings being fixedly arranged inside a plurality of said liquid inlets and a plurality of said liquid outlets;

[0032] A circular groove, wherein a plurality of the circular grooves are mirror-imaged and opened on the inner sides of a plurality of the cavity power boards.

[0033] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0034] In the cavity nickel foam type contact plate battery stack, when working, electrodes are connected to several of the cavity contact plates, current is input, and then transmitted to several of the foam nickels inside through the several cavity contact plates. The circular grooves arranged inside the cavity contact plates can provide space for fixing and placing the foam nickels. The overlapping area of ​​two groups of the foam nickels is the current transmission area. The two groups of the circular grooves prevent falling off while improving the contact area between the two groups of the foam nickels and the internal sealing effect, so that the cavity contact plate and the foam nickel are connected tightly as much as possible. Several of the liquid inlets and the liquid outlets are fixedly provided with several insulating O-rings to insulate the electrolyte in the cathode and anode chambers, so as to avoid electrolytic reaction at the flow channel position of the liquid inlet and outlet, which affects the purity of the product. Compared with the previous battery stacks, the battery stack using the cavity nickel foam contact plate will significantly increase the contact area between its electrodes and the electrolyte, so that it has a higher reaction efficiency during the reaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0036] Figure 1 An axonometric view of the utility model is shown;

[0037] Figure 2 The axial side development view of the utility model is shown;

[0038] Figure 3 Shows an axonometric view of the contact component of the utility model;

[0039] Figure 4 The axial side development view of the contact component of the utility model is shown.

[0040] In the figure:

[0041] Battery stack body;

[0042] Fixed component; 21, end pressure plate; 22, arc-shaped opening; 23, fixing rod; 24, nut;

[0043] 3. Clamping parts; 31. Cavity electrical board; 32. Fixing holes;

[0044] 4. Reaction component; 41. Cathode chamber electrolyte inlet; 42. Hydrogen cathode electrolyte outlet;

[0045] 43. Anode chamber electrolyte inlet; 44. Oxygen anode electrolyte outlet;

[0046] Sealing component; 51, gasket; 52, insulating O-ring; 53, circular groove;

[0047] 6. Contact parts; 61. Nickel foam; 62. Liquid inlet; 63. Liquid outlet. DETAILED DESCRIPTION

[0048] Now the utility model is further described in detail with reference to the accompanying drawings. Figure 1 , Figure 1 Shows an axonometric view of the utility model; see Figure 2 , Figure 2 Shows an axial side expansion diagram of the utility model; please refer to Figure 3 , Figure 3 Shows the axial view of the contact component of the utility model; please refer to Figure 4 , Figure 4 The axial side expansion diagram of the contact component of the utility model is shown; Figure 1-4 As shown, the cavity nickel foam type contact plate stack includes

[0049] A fixing component 2, wherein the fixing component 2 is fixedly disposed at both ends of the battery stack body 1 in a mirror-image manner;

[0050] A clamping component 3, wherein the clamping component 3 is fixedly disposed inside the fixing component 2;

[0051] A reaction component 4, wherein the reaction component 4 is fixedly arranged at two ends of the fixing component 2;

[0052] The sealing component 5 is fixedly arranged on the inner side of the clamping component 3. The fixing component 2 can provide a fixing and installation space for the clamping component 3 and the reaction component 4. The clamping component 3 and the sealing component 5 can provide a fixing and sealing effect for the inside of the battery stack body 1, and an electrolytic reaction is carried out through the reaction component 4 and the inside of the clamping component 3;

[0053] In the cavity nickel foam type contact plate stack, when working, electrodes are connected to several of the cavity contact plates 31, current is input, and then transmitted to several of the internal nickel foams 61 through the several cavity contact plates 31. The circular grooves 53 arranged inside the cavity contact plates 31 can provide a space for fixing and placing the nickel foams 61. The overlapping area of ​​the two groups of the nickel foams 61 is the current transmission area. The two groups of the circular grooves 53 prevent falling off while improving the contact area between the two groups of the nickel foams 61 and the internal sealing effect, so that the cavity contact plate 31 and the nickel foam 61 are connected tightly as much as possible. Several of the liquid inlets 62 and the liquid outlets 63 are fixedly provided with several insulating O-rings 52 to insulate the electrolyte in the cathode and anode chambers, so as to avoid electrolysis reaction at the flow channel position of the liquid inlet and outlet, which affects the purity of the product. Compared with the previous battery stacks, the battery stack using the cavity nickel foam contact plate will significantly increase the contact area between its electrodes and the electrolyte, so that it has a higher reaction efficiency during the reaction.

[0054] Optionally, the fixing component 2 includes:

[0055] End pressure plates 21, two sets of end pressure plates 21 are fixedly disposed at both ends of the stack body 1 in a mirror-image manner;

[0056] Arc-shaped openings 22, a plurality of the arc-shaped openings 22 are provided inside the two groups of the end pressure plates 21;

[0057] Fixed rods 23, a plurality of the fixed rods 23 pass through a plurality of the arc-shaped openings 22 and are movably disposed at the inner ends of the two groups of end pressure plates 21;

[0058] Nuts 24, several of the nuts 24 are movably arranged at one end of several of the fixing rods 23, and several of the fixing rods 23 are mutually fixed through several of the arc-shaped openings 22 and several of the nuts 24 so that the two groups of end pressure plates 21 form a whole, providing space for fixing and installing the internal clamping component 3 and the sealing component 5.

[0059] Optionally, the clamping component 3 includes:

[0060] A cavity power board 31, wherein a plurality of the cavity power boards 31 are fixedly disposed in the two groups of end pressure boards 21 in a mirror-image manner;

[0061] Fixing holes 32, a plurality of the fixing holes 32 are opened outside a plurality of the cavity power connection plates 31;

[0062] The plurality of fixing holes 32 match the plurality of fixing rods 23;

[0063] The contact component 6 is fixedly arranged inside the clamping component 3. The two groups of end pressure plates 21 are fixedly connected through the plurality of fixing holes 32 and the plurality of fixing rods 23, providing a fixing and installation space for the plurality of cavity power boards 31, and limiting their installation positions to prevent misalignment from affecting the reaction effect. The materials of the cavity power boards 31 include but are not limited to stainless steel, titanium alloy, gold, silver, copper, iron, etc.

[0064] Optionally, the contact component 6 includes:

[0065] Nickel foam 61, a plurality of the nickel foam 61 are clamped and fixedly arranged inside a plurality of the cavity power boards 31, and each two groups of the cavity power boards 31 clamp a group of the nickel foam 61;

[0066] Liquid inlets 62, a plurality of the liquid inlets 62 are provided on one side of a plurality of the cavity power boards 31;

[0067] Liquid outlets 63, a plurality of the liquid outlets 63 are opened on the other side of a plurality of the cavity power boards 31;

[0068] Some of the nickel foams 61 are non-rigid entities and can be squeezed. Some of the nickel foams 61 have a large number of tiny pores on the surface and inside. After being squeezed, they will deform and become irreversible. The nickel foams 61 are not limited to nickel materials.

[0069] Optionally, the reaction component 4 includes:

[0070] A cathode chamber electrolyte inlet 41, wherein the cathode chamber electrolyte inlet 41 is fixedly disposed at the front end of the left side of the end pressure plate 21;

[0071] A hydrogen cathode electrolyte outlet 42, wherein the hydrogen cathode electrolyte outlet 42 is fixedly disposed at the rear end of the left side of the end pressure plate 21;

[0072] An anode chamber electrolyte inlet 43, wherein the anode chamber electrolyte inlet 43 is fixedly disposed at the front end of the right side of the end pressure plate 21;

[0073] The oxygen anode electrolyte outlet 44 is fixedly disposed at the rear end of the right side of the end pressure plate 21 .

[0074] Optionally, the sealing component 5 includes:

[0075] Gaskets 51, a plurality of the gaskets 51 are fixedly arranged on one side of a plurality of the nickel foams 61;

[0076] Insulating O-rings 52, a plurality of insulating O-rings 52 are fixedly disposed inside a plurality of liquid inlets 62 and a plurality of liquid outlets 63;

[0077] A circular groove 53, several of the circular grooves 53 are mirror-imaged and opened on the inner side of several of the cavity power connection plates 31. The device consists of a double layer of the cavity power connection plate 31, which sandwiches the gasket 51 and the foam nickel 61. At the same time, several of the liquid inlets 62 and several of the liquid outlets 63 are fixedly provided with several insulating O-rings 52 to insulate the electrolyte in the anode and cathode chambers to avoid electrolysis reaction at the flow channel position of the liquid inlet and outlet, thereby affecting the purity of the product.

[0078] Working principle: The two groups of end pressure plates 21 of the cavity nickel foam type power board stack can provide space for fixing and installing the cavity power boards 31, the nickel foams 61 and the gaskets 51 through the fixing rods 23 and the nuts 24 through the fixing holes 32. At this time, the nickel foams 61 are not squeezed and are cylindrical. After the arrangement is completed, they are placed under the press and squeezed to deform the nickel foams 61. It should be noted that the position where the gaskets 51 are just right is squeezed. At this time, the gaskets 51 are not squeezed and wait for the assembly of the stack main body. When the body 1 is formed, the torque is increased to squeeze the gasket 51, so as to maximize the connection between the foam nickel 61 and the cavity connecting plate 31. The circular grooves 53 inside the cavity connecting plates 31 can provide a limiting space for the internal foam nickel 61. At the same time, the liquid inlets 62 and the liquid outlets 63 are fixedly provided with the insulating O-rings 52 to insulate the electrolyte in the cathode and anode chambers. Electrodes are connected to the cavity connecting plates 31, and current is input, which is then transported to the internal foam nickel 61 through the cavity connecting plates 31 for electrolysis reaction.

Claims

1. Cavity nickel foam type contact plate stack, characterized by: include A fixing component (2), the fixing component (2) being fixedly arranged at two ends of the battery stack body (1) in a mirror-image manner; A clamping component (3), the clamping component (3) being fixedly arranged inside the fixing component (2); A reaction component (4), the reaction component (4) being fixedly arranged at two ends of the fixed component (2); A sealing component (5), wherein the sealing component (5) is fixedly arranged on the inner side of the clamping component (3), wherein: The fixing component (2) can provide a fixing and installation space for the clamping component (3) and the reaction component (4), and the clamping component (3) and the sealing component (5) can provide a fixing and sealing effect for the interior of the battery stack body (1), and an electrolytic reaction is carried out through the reaction component (4) and the interior of the clamping component (3).

2. The cavity nickel foam type contact plate stack according to claim 1, characterized in that: The fixing component (2) comprises: End pressure plates (21), two sets of the end pressure plates (21) being fixedly disposed at two ends of the battery stack body (1) in a mirror-image manner; Arc-shaped openings (22), a plurality of the arc-shaped openings (22) being provided inside the two groups of end pressure plates (21); Fixed rods (23), a plurality of the fixed rods (23) passing through a plurality of the arc-shaped openings (22) and movably arranged at the inner ends of the two groups of end pressure plates (21); Nuts (24), wherein a plurality of the nuts (24) are movably arranged at one end of a plurality of the fixing rods (23).

3. The cavity nickel foam type contact plate stack as claimed in claim 2, characterized in that: The clamping component (3) comprises: A cavity power connection plate (31), wherein a plurality of the cavity power connection plates (31) are fixedly disposed in a mirror-image manner inside the two groups of end pressure plates (21); Fixing holes (32), a plurality of the fixing holes (32) being opened outside a plurality of the cavity power connection plates (31); A plurality of the fixing holes (32) match a plurality of the fixing rods (23); A contact component (6), wherein the contact component (6) is fixedly arranged inside the clamping component (3).

4. The cavity nickel foam type contact plate stack as claimed in claim 3, characterized in that: The contact component (6) comprises: Foamed nickel (61), a plurality of the foamed nickel (61) being clamped and fixedly arranged inside a plurality of the cavity power connection plates (31), and each two groups of the cavity power connection plates (31) clamp a group of the foamed nickel (61); Liquid inlets (62), a plurality of the liquid inlets (62) being disposed on one side of a plurality of the cavity power connection plates (31); Liquid outlets (63), a plurality of the liquid outlets (63) being disposed on the other side of a plurality of the cavity electrical connection plates (31); Some of the nickel foams (61) are arranged as non-rigid entities and can be squeezed. A large number of tiny pores exist on the surface and inside of some of the nickel foams (61), and deformation will occur after being squeezed, and the deformation is irreversible.

5. The cavity nickel foam type contact plate stack as claimed in claim 4, characterized in that: The reaction component (4) comprises: A cathode chamber electrolyte inlet (41), the cathode chamber electrolyte inlet (41) being fixedly arranged at the front end of the left side of the end pressure plate (21); A hydrogen cathode electrolyte outlet (42), the hydrogen cathode electrolyte outlet (42) being fixedly arranged at the rear end of the left side of the end pressure plate (21); an anode chamber electrolyte inlet (43), the anode chamber electrolyte inlet (43) being fixedly arranged at the front end of the right side of the end pressure plate (21); An oxygen anode electrolyte outlet (44) is fixedly arranged at the rear end of the right side of the end pressure plate (21).

6. The cavity nickel foam type contact plate stack as claimed in claim 5, characterized in that: The sealing component (5) comprises: Gaskets (51), a plurality of the gaskets (51) being fixedly arranged on one side of a plurality of the nickel foams (61); Insulating O-rings (52), wherein a plurality of the insulating O-rings (52) are fixedly arranged inside a plurality of the liquid inlets (62) and a plurality of the liquid outlets (63); A circular groove (53), wherein a plurality of the circular grooves (53) are mirror-imaged and opened on the inner sides of a plurality of the cavity power connection plates (31).