阅读说明：本技术 一种用于碱性电解槽的高效镍基电极结构 (High-efficiency nickel-based electrode structure for alkaline electrolytic cell ) 是由 李太斌 张冲 程莹 李小联 刘宏文 张兴 庞飞 敬一枫 袁志镭 马星 粟丽蓉 于 2021-10-27 设计创作，主要内容包括：本发明公开了一种用于碱性电解槽的高效镍基电极结构,涉及电解水制氢领域,该用于碱性电解槽的高效镍基电极结构,包括电极板主体,电极板主体由第二电极板以及位于第二电极板两侧的第一电极板组成；电极板主体的一侧设置有调节组件,调节组件包括固定于第二电极板一侧的调节腔体,调节腔体相对于第二电极板的一侧滑动设置有呈相对分布的螺纹套,相对移动的螺纹套带动第一电极板朝向第二电极板移动,第一电极板与第二电极板之间设置有缓冲机构。利用缓冲机构在第一电极板与第二电极板之间形成缓冲,当电极板主体内部积蓄了较大的内应力后,内应力能够得到很好的释放,防止电极板主体在使用较长的时间后产生形变。(The invention discloses a high-efficiency nickel-based electrode structure for an alkaline electrolytic cell, which relates to the field of hydrogen production by water electrolysis and comprises an electrode plate main body, wherein the electrode plate main body consists of a second electrode plate and first electrode plates positioned on two sides of the second electrode plate; one side of plate electrode main part is provided with the adjusting part, and the adjusting part is including being fixed in the regulation cavity of second plate electrode one side, adjusts the cavity and slides for one side of second plate electrode and is provided with the thread bush that is relative distribution, and relative movement's thread bush drives first plate electrode and moves towards the second plate electrode, is provided with buffer gear between first plate electrode and the second plate electrode. Utilize buffer gear to form the buffering between first plate electrode and second plate electrode, after the inside great internal stress that has accumulated of plate electrode main part, the internal stress can obtain fine release, prevents that the plate electrode main part from producing deformation after using longer time.)

1. A high-efficiency nickel-based electrode structure for an alkaline electrolytic cell comprises an electrode plate main body (10), and is characterized in that the electrode plate main body (10) consists of a second electrode plate (12) and first electrode plates (11) positioned at two sides of the second electrode plate (12); one side of electrode board main part (10) is provided with adjusting part (20), adjusting part (20) is including being fixed in regulation cavity (21) of second electrode board (12) one side, and regulation cavity (21) slides for one side of second electrode board (12) and is provided with thread bush (23) that are relative distribution, and relative movement's thread bush (23) drive first electrode board (11) and move towards second electrode board (12), are provided with buffer gear (30) between first electrode board (11) and second electrode board (12), form the buffering between first electrode board (11) and second electrode board (12).

2. The high-efficiency nickel-based electrode structure for the alkaline electrolysis cell is characterized in that a rotating rod (24) penetrates through one side, away from the second electrode plate (12), of the adjusting cavity (21), the tail end of the rotating rod (24) extends into the adjusting cavity (21) and coaxially rotates to form a first bevel gear (25), the upper end and the lower end of the first bevel gear (25) are respectively engaged with a second bevel gear (26), one side, away from the two second bevel gears (26), of each rotating rod is coaxially rotated to form a threaded rod (22) rotatably connected with the inner wall of the adjusting cavity (21), a threaded sleeve (23) is screwed on the external thread of each threaded rod (22), and the threaded sleeves (23) and the first electrode plate (11) synchronously move.

3. A high efficiency nickel based electrode structure for alkaline electrolysis cell according to claim 1, wherein the buffer mechanism (30) comprises a first buffer (31) and a second buffer (32) arranged between the first electrode plate (11) and the second electrode plate (12).

4. A high efficiency nickel based electrode structure for alkaline electrolysis cell according to claim 3 characterized in that the first buffer member (31) is a sigma shaped metal elastic sheet.

5. A high efficiency nickel based electrode structure for alkaline electrolysis cell according to claim 3 wherein the second buffer member (32) comprises a connection pipe (321) fixedly connected to the first electrode plate (11), the connection pipe (321) internally containing a buffer tube (323) detachably fixed to the surface of the second electrode plate (12), the buffer tube (323) elastically stretching along the inner wall of the connection pipe (321).

6. The nickel-based electrode structure for alkaline electrolysis cell of claim 5, wherein the outside of the buffer tube (323) is provided with a ball (327), the connecting tube (321) is opened with a limit chute (326) corresponding to the inner wall of the ball (327), and the ball (327) is matched with the limit chute (326).

7. The nickel-based electrode structure for alkaline electrolysis cell of claim 6, wherein the buffer tube (323) contains a buffer spring (324) inside, the top end of the buffer spring (324) is fixedly provided with a connecting rod (322), the top end of the connecting rod (322) is through the top wall of the buffer tube (323) and is fixedly connected with the inner top end of the connecting tube (321).

8. The nickel-based electrode structure for alkaline electrolysis cell of claim 7, wherein the bottom end of the buffer tube (323) is fixedly connected with a suction cup (325), and the suction cup (325) is adsorbed with the surface of the second electrode plate (12).

9. The high-efficiency nickel-based electrode structure for alkaline electrolysis cells according to claim 4, wherein a connecting assembly (40) is provided between the end of the first buffer (31) and the electrode plate main body (10), and the first buffer (31) is detachably connected with the electrode plate main body (10) through the connecting assembly (40).

10. The high-efficiency nickel-based electrode structure for the alkaline electrolytic cell according to claim 9, wherein the connecting assembly (40) comprises an inserting block (41) fixed on the end surface of the first buffer member (31), the electrode plate main body (10) is provided with an inserting groove (42) on the surface opposite to the first buffer member (31), the bottom end of the inserting block (41) is externally provided with clamping blocks (43) in an array manner, the electrode plate main body (10) is provided with clamping grooves (44) on the surface opposite to the inserting block (41), and the clamping blocks (43) are matched with the clamping grooves (44).

Technical Field

The invention relates to the field of hydrogen production by water electrolysis, in particular to a high-efficiency nickel-based electrode structure for an alkaline electrolytic cell.

Background

The water electrolysis hydrogen production is a convenient method for producing hydrogen. Direct current is introduced into an electrolytic cell filled with electrolyte, and water molecules are subjected to electrochemical reaction on electrodes and are decomposed into hydrogen and oxygen. In the electrolysis of water, the electrodes applied are nickel-based electrodes.

After the existing nickel-based electrode is used for a long time, a large amount of internal stress can be generated in the electrode, and the electrode is easily damaged after being used for a long time due to the fact that the internal stress is difficult to release, and the service life is short.

Disclosure of Invention

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a high-efficiency nickel-based electrode structure for an alkaline electrolytic cell comprises an electrode plate main body, wherein the electrode plate main body consists of a second electrode plate and first electrode plates positioned on two sides of the second electrode plate; one side of plate electrode main part is provided with the adjusting part, the adjusting part is including being fixed in the regulation cavity of second plate electrode one side, adjusts the cavity and slides for one side of second plate electrode and is provided with the thread bush that is relative distribution, and relative movement's thread bush drives first plate electrode and moves towards the second plate electrode, is provided with buffer gear between first plate electrode and the second plate electrode, forms the buffering between first plate electrode and second plate electrode.

Furthermore, a rotating rod is arranged on one side, far away from the second electrode plate, of the adjusting cavity in a penetrating mode, the tail end of the rotating rod extends into the inside of the adjusting cavity and coaxially rotates to form a first bevel gear, the upper end and the lower end of the first bevel gear are respectively meshed with a second bevel gear, a threaded rod which is rotatably connected with the inner wall of the adjusting cavity is coaxially rotated on one side, far away from the two second bevel gears, of the threaded rod, a threaded sleeve is screwed on the external thread of the threaded rod, and the threaded sleeve and the first electrode plate synchronously move.

Further, the buffer mechanism comprises a first buffer member and a second buffer member arranged between the first electrode plate and the second electrode plate.

Further, the first buffer member is a sigma-shaped metal elastic sheet.

Furthermore, the second buffer piece comprises a connecting pipe fixedly connected with the first electrode plate, a buffer pipe detachably fixed to the surface of the second electrode plate is contained in the connecting pipe, and the buffer pipe elastically stretches along the inner wall of the connecting pipe.

Furthermore, the outside of buffer tube is provided with the ball, and the connecting pipe has seted up spacing spout for the inner wall of ball, ball and spacing spout looks adaptation.

Furthermore, buffer spring has been held to the inside of buffer tube, buffer spring's top is fixed and is provided with the connecting rod, and the top of connecting rod runs through the roof of buffer tube and with the interior top fixed connection of connecting pipe.

Furthermore, the bottom end fixedly connected with sucking disc of buffer tube, the sucking disc adsorbs with the surface looks of second plate electrode.

Further, be provided with coupling assembling between the tip of first bolster and the electrode plate main part, first bolster passes through coupling assembling and can dismantle with the formation of electrode plate main part and be connected.

Further, coupling assembling has seted up the inserting groove including the inserting block that is fixed in first bolster terminal surface, the electrode plate main part for the surface of first bolster, the outside array in bottom of inserting block is provided with the joint piece, and the electrode plate main part has seted up the joint groove for the surface of inserting block, joint piece and joint groove looks adaptation.

Compared with the prior art, the invention has the following beneficial effects:

(1) according to the invention, the first electrode plate is driven to move by utilizing the adjusting cavity, so that the distance between the first electrode plate and the second electrode plate can be adjusted, the cleaning and maintenance of the electrode plate main body are facilitated, and the service life of the electrode plate main body is prolonged.

(2) According to the invention, the electrode plate main body is divided into the first electrode plate and the second electrode plate, so that the contact area between the electrode plate main body and the electrolyte can be increased, and the working efficiency of the electrode plate main body is improved.

(3) In the invention, the buffer mechanism is arranged between the second electrode plate and the first electrode plate, and the buffer mechanism is utilized to form buffer between the first electrode plate and the second electrode plate, so that after larger internal stress is accumulated in the electrode plate main body, the internal stress can be well released under the action of the buffer mechanism, the electrode plate main body is prevented from being deformed after being used for a longer time, and the service life of the electrode plate main body is prolonged.

Drawings

FIG. 1 is a schematic cross-sectional view of an electrode plate according to the present invention;

FIG. 2 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure shown in FIG. 3;

fig. 5 is an enlarged view of the structure at C in fig. 3 according to the present invention.

Wherein, the names corresponding to the reference numbers are:

10. an electrode plate main body; 11. a first electrode plate; 12. a second electrode plate; 20. an adjustment assembly; 21. adjusting the cavity; 22. a threaded rod; 23. a threaded sleeve; 24. a rotating rod; 25. a first bevel gear; 26. a second bevel gear; 30. a buffer mechanism; 31. a first buffer member; 32. a second buffer member; 321. a connecting pipe; 322. a connecting rod; 323. a buffer tube; 324. a buffer spring; 325. a suction cup; 326. a limiting chute; 327. a ball bearing; 40. a connecting assembly; 41. an insertion block; 42. inserting grooves; 43. a clamping block; 44. a clamping groove.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

Examples

The high-efficiency nickel-based electrode structure for the alkaline electrolytic cell comprises an electrode plate main body 10, wherein the electrode plate main body 10 consists of a second electrode plate 12 and first electrode plates 11 positioned at two sides of the second electrode plate 12; one side of electrode board main part 10 is provided with adjusting part 20, adjusting part 20 is including being fixed in the regulation cavity 21 of second electrode board 12 one side, and it is provided with the thread bush 23 that is relative distribution to adjust cavity 21 for the one side slip of second electrode board 12, and relative movement's thread bush 23 drives first electrode board 11 and removes towards second electrode board 12, is provided with buffer gear 30 between first electrode board 11 and second electrode board 12, forms the buffering between first electrode board 11 and second electrode board 12.

When the electrode plate is used, the adjusting cavity 21 is utilized to drive the first electrode plate 11 to move, so that the distance between the first electrode plate 11 and the second electrode plate 12 can be adjusted, the electrode plate main body 10 is convenient to clean and maintain, and the service life of the electrode plate main body 10 is prolonged; by splitting the electrode plate main body 10 into the first electrode plate 11 and the second electrode plate 12, the contact area between the electrode plate main body 10 and the electrolyte can be increased, and the working efficiency of the electrode plate main body 10 is improved; through set up buffer gear 30 between second electrode board 12 and first electrode board 11, utilize buffer gear 30 to form the buffering between first electrode board 11 and second electrode board 12, after the inside great internal stress of having accumulated of electrode board main part 10, under buffer gear's 30 effect, the internal stress can obtain fine release, prevents that electrode board main part 10 from producing deformation after using longer time, prolongs the life of electrode board main part 10.

Referring to fig. 1 and 2, a rotating rod 24 penetrates through one side of the adjusting cavity 21 far away from the second electrode plate 12, the tail end of the rotating rod 24 extends into the adjusting cavity 21 and coaxially rotates to form a first bevel gear 25, the upper end and the lower end of the first bevel gear 25 are respectively engaged with a second bevel gear 26, one side of the two second bevel gears 26 far away from each other coaxially rotates to form a threaded rod 22 rotatably connected with the inner wall of the adjusting cavity 21, a threaded sleeve 23 is screwed on the external thread of the threaded rod 22, and the threaded sleeve 23 and the first electrode plate 11 synchronously move.

During the use, drive first bevel gear 25 through rotating the bull stick 24 and rotate, first bevel gear 25 drives second bevel gear 26 and threaded rod 22 and rotates, thereby the thread bush 23 moves along the outside of threaded rod 22, the thread bush 23 drives first electrode board 11 and removes, through the position of adjustment first electrode board 11, thereby can adjust the interval between first electrode board 11 and the second electrode board 12, can make electrode board main part 10 can be adapted to different work scenes, also be convenient for wash and maintain first electrode board 11 and second electrode board 12.

Referring to fig. 3, the buffering mechanism 30 includes a first buffering member 31 and a second buffering member 32 disposed between the first electrode plate 11 and the second electrode plate 12, wherein the first buffering member 31 is a Σ -shaped metal elastic sheet.

When in use, the first and second cushion members 31 and 32 are provided, so that the stress generated between the second electrode plate 12 and the first electrode plate 11 can be better absorbed by the cushion effect provided by the first and second cushion members 31 and 32.

Referring to fig. 4, the second buffer member 32 includes a connection pipe 321 fixedly connected to the first electrode plate 11, the connection pipe 321 accommodates a buffer tube 323 detachably fixed to a surface of the second electrode plate 12, and the buffer tube 323 elastically stretches along an inner wall of the connection pipe 321.

In use, the buffer tube 323 elastically extends and contracts along the inside of the connection tube 321, thereby buffering the space between the second electrode plate 12 and the first electrode plate 11.

Referring to fig. 3 and 4, a ball 327 is disposed outside the buffer tube 323, a limiting sliding groove 326 is disposed on an inner wall of the connecting tube 321 opposite to the ball 327, and the ball 327 is adapted to the limiting sliding groove 326.

When the buffer tube 323 limiting device is used, the ball 327 slides along the inside of the limiting sliding groove 326 to limit the buffer tube 323, and the buffer tube 323 is prevented from rotating.

Referring to fig. 3, the buffer tube 323 accommodates a buffer spring 324 therein, a top end of the buffer spring 324 is fixedly provided with a connection rod 322, and a top end of the connection rod 322 penetrates through a top wall of the buffer tube 323 and is fixedly connected with an inner top end of the connection tube 321.

When in use, after the buffer spring 324 is stressed to contract under the extrusion of the connecting rod 322, the buffer spring 324 contracts and deforms, and in the process, the buffer spring 324 is buffered.

Referring to fig. 3, a suction cup 325 is fixedly connected to a bottom end of the buffer tube 323, and the suction cup 325 is attached to the surface of the second electrode plate 12.

During the use, through utilizing sucking disc 325 and second electrode board 12 to form the absorption, can form releasable connection between second bolster 32 and second electrode board 12, be convenient for better regulation second electrode board 12 and the interval between the first electrode board 11.

Referring to fig. 3 and 5, a connection assembly 40 is disposed between an end of the first buffer 31 and the electrode plate main body 10, and the first buffer 31 is detachably connected to the electrode plate main body 10 through the connection assembly 40.

Referring to fig. 3 and 5, the connecting assembly 40 includes an insertion block 41 fixed to an end surface of the first buffer 31, an insertion groove 42 is formed in the surface of the electrode plate main body 10 opposite to the first buffer 31, clamping blocks 43 are arranged in an array outside a bottom end of the insertion block 41, a clamping groove 44 is formed in the surface of the electrode plate main body 10 opposite to the insertion block 41, and the clamping blocks 43 are adapted to the clamping groove 44.

During the use, through the inside that extends into inserting groove 42 with inserting block 41, link together joint block 43 and joint groove 44 block to make coupling assembling 40 possess and to dismantle the effect, with forming to dismantle between electrode plate main part 10 and the first bolster 31 and be connected.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and any insubstantial changes or modifications made within the spirit and scope of the main design of the present invention will solve the technical problems consistent with the present invention and shall be included in the scope of the present invention.