CN216024554U - Device for mixing fuel cell catalyst optimization material and preparing slurry - Google Patents
Device for mixing fuel cell catalyst optimization material and preparing slurry Download PDFInfo
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- CN216024554U CN216024554U CN202121353359.9U CN202121353359U CN216024554U CN 216024554 U CN216024554 U CN 216024554U CN 202121353359 U CN202121353359 U CN 202121353359U CN 216024554 U CN216024554 U CN 216024554U
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- 238000002156 mixing Methods 0.000 title claims abstract description 50
- 239000003054 catalyst Substances 0.000 title claims abstract description 33
- 239000000446 fuel Substances 0.000 title claims abstract description 22
- 239000002002 slurry Substances 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 title claims abstract description 17
- 238000005457 optimization Methods 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000002360 preparation method Methods 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 9
- 239000000523 sample Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 7
- 239000011268 mixed slurry Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 24
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000002904 solvent Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 238000009210 therapy by ultrasound Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- DSVGQVZAZSZEEX-UHFFFAOYSA-N [C].[Pt] Chemical compound [C].[Pt] DSVGQVZAZSZEEX-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005411 Van der Waals force Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of fuel cells, and particularly relates to a device for optimizing material mixing and slurry preparation of a fuel cell catalyst, which comprises a raw material tank, mixing equipment, a circulating water tank and a mixture storage tank, wherein the mixing equipment comprises a jet device, a mixing pipeline, a built-in container and an ultrasonic generator, the jet device is positioned at the top of the built-in container and is connected with the mixing pipeline arranged in the built-in container, the jet device is provided with a feed inlet, the feed inlet is connected with the raw material tank through a feed pipe, the built-in container is connected with the circulating water tank through a water inlet pipe and a water outlet pipe, and the mixing pipeline is connected with the mixture storage tank through a discharge pipe Mixed solution and slurry with strong stability.
Description
Technical Field
The utility model belongs to the technical field of fuel cells, and particularly relates to a device for mixing fuel cell catalyst optimization materials and preparing slurry.
Background
The catalyst is an indispensable key material of the fuel cell, plays an important role in accelerating electrode reaction and improving energy conversion efficiency, and the power generation performance of the fuel cell can be directly influenced by the quality of the performance of the catalyst. At present, a platinum-carbon catalyst is mainly adopted, metal platinum particles and carbon particles are required to be mixed in a solvent for preparation, wherein the metal platinum particles are uniformly loaded on the surfaces of the carbon particles, Van der Waals force exists among the particles, the particles and the particles, and the particles have different Zeta potentials under the action of the solvent, the metal platinum particles can be aggregated on the surfaces of the carbon particles and among the carbon particles to different degrees, aggregated large particles are formed, the electrochemical specific surface area of the catalyst is reduced, and the catalytic performance is reduced.
In the preparation process of the fuel cell, a catalyst layer is prepared by coating catalyst slurry to form a membrane electrode assembly, the catalyst slurry comprises catalyst particles, an ionomer and an organic solvent, and the catalyst particles are easy to agglomerate in the organic solvent, so that the catalyst slurry is unstable in state, a settled agglomerate is generated, the distribution and thickness of the catalyst layer are not uniform, the performance of the membrane electrode assembly is influenced, and the performance of the fuel cell is seriously hindered.
That is, in the processes of catalyst preparation and catalyst slurry preparation, since the particles are agglomerated when mixed and dispersed in the solvent, which can seriously affect the preparation and performance of the catalyst and the membrane electrode assembly comprising the catalyst, and finally cause the unstable and greatly reduced performance of the fuel cell, it is very important to effectively promote the mixing and uniform dispersion of the particles in the solution when preparing the catalyst and the catalyst slurry.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a device for mixing fuel cell catalyst optimizing materials and preparing slurry, which promotes effective collision among particles through jet flow impact and continuous ultrasonic mixing, is beneficial to uniform loading of metal platinum particles on the surfaces of carbon particles, reduces the concentrated accumulation of the metal platinum particles on the surfaces of the carbon particles, promotes uniform dispersion of the particles in a solvent, and is beneficial to forming stable platinum-carbon particle mixed solution and catalyst slurry.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a device that fuel cell catalyst optimized material mixes and thick liquids preparation, includes head tank, mixing apparatus, circulation tank and mixture storage tank, mixing apparatus includes fluidic device, hybrid tube, built-in container and ultrasonic generator, fluidic device is located the top of built-in container, with arrange in inside the built-in container the hybrid tube links to each other, fluidic device is equipped with the feed inlet, the feed inlet pass through the inlet pipe with the head tank links to each other, built-in container pass through inlet tube and outlet pipe with circulation tank links to each other, the hybrid tube pass through the discharging pipe with the mixture storage tank links to each other.
Preferably, the built-in container is filled with circulating water, and the mixing pipeline is placed in the built-in container and is immersed in the circulating water to form a spiral shape.
Preferably, the fluidic device is equipped with two at least feed inlets, and the contained angle of two adjacent feed inlets is 65-145 degrees, the feed inlet assembles to the hybrid tube, and the mixed solution is followed the head tank gets into behind the feed inlet, and the place of assembling is reacted to strike the mixture and then gets into the hybrid tube.
Preferably, the water inlet pipe is connected with the upper part of the built-in container and the lower part of the circulating water tank, the water outlet pipe is connected with the lower part of the built-in container and the upper part of the circulating water tank, and a water level probe is arranged at the top of the inner side of the built-in container.
Preferably, a pump is arranged between the feeding pipe and the raw material tank and between the water inlet pipe and the circulating water tank, a valve is arranged on the water outlet pipe, circulating water enters the built-in container from the circulating water tank through the water inlet pipe, when the water level probe detects that the circulating water in the built-in container reaches the highest water level, the valve is opened, and the circulating water returns to the circulating water tank from the built-in container through the water outlet pipe.
Preferably, the ultrasonic generator is located outside the built-in container, ultrasonic probes are arranged inside the built-in container and inside the mixing pipeline, and ultrasonic treatment is performed on circulating water loaded in the built-in container and the mixed solution entering the mixing pipeline, that is, inside and outside double ultrasonic treatment is performed on the mixed solution in the mixing pipeline.
Preferably, the circulating water tank is provided with a temperature controller, and the temperature of the circulating water can be regulated and controlled to be 10-100 ℃.
Preferably, the feed inlet is connected with the feed pipe, the built-in container is connected with the water inlet pipe and the water outlet pipe, and the mixing pipeline is connected with the discharge pipe through connecting bolts.
Compared with the prior art, the utility model has at least the following beneficial effects: the fluidic device has been adopted in mixing process, and the feed inlet is certain angle and carries out the efflux and assemble, is favorable to the collision between the granule in the solvent to mix, promotes platinum metal particle at carbon particle surface uniform load, reduces and concentrates to pile up, and the helical structure of hybrid tube to and the interior outer dual supersound of mixed solution in the hybrid tube, further strengthened the homodisperse of granule in the solvent, be favorable to forming mixed solution and thick liquids that the uniformity is good, stability is strong. The whole material mixing and slurry preparation process can be continuously carried out, the time is short, the controllability is strong, the consistency of the mixing and dispersing environment can be controlled by adjusting the temperature of circulating water, and the dispersing speed is improved. The device has simple structure and convenient operation, and is easy to be applied industrially.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
The reference numeral includes a raw material tank 1, a mixing device 2, a circulating water tank 3, a mixture storage tank 4, a jet device 5, a mixing pipeline 6, a built-in container 7, an ultrasonic generator 8, a feed inlet 9, a feed pipe 10, a pump 11, a water inlet pipe 12, a water outlet pipe 13, a water level probe 14, a valve 15, an ultrasonic probe 16, a discharge pipe 17, a connecting bolt 18 and a temperature controller 19.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment provides a device for fuel cell catalyst optimized material mixing and slurry preparation, including a raw material tank 1, a mixing device 2, a circulating water tank 3 and a mixture storage tank 4, where the mixing device 2 includes a fluidic device 5, a mixing pipeline 6, a built-in container 7 and an ultrasonic generator 8, the fluidic device 5 is located at the top of the built-in container 7 and connected to the mixing pipeline 6 inside the built-in container 7, the fluidic device 5 is provided with two feed inlets 9, the feed inlets 9 are connected to the raw material tank 1 through a feed pipe 10, the built-in container 7 is connected to the circulating water tank 3 through a feed pipe 12 and a water outlet pipe 13, and the mixing pipeline 6 is connected to the mixture storage tank 4 through a discharge pipe 17.
Circulating water is filled in the built-in container 7, and the mixing pipeline 6 is placed in the built-in container 7 and is immersed in the circulating water in a spiral shape.
The included angle between two feed inlets 9 is 65 degrees, and feed inlet 9 assembles to mixing duct 6, and the mixed solution gets into feed inlet 9 back from head tank 1, and the place of assembling takes place the back and produces the striking mix then gets into mixing duct 6.
The water inlet pipe 12 is connected with the upper part of the built-in container 7 and is connected with the lower part of the circulating water tank 3, the water outlet pipe 13 is connected with the lower part of the built-in container 7 and is connected with the upper part of the circulating water tank 3, and the top part of the inner side of the built-in container 7 is provided with a water level probe 14.
And pumps 11 are arranged between the feeding pipe 10 and the raw material tank 1 and between the water inlet pipe 12 and the circulating water tank 3, a valve 15 is arranged on the water outlet pipe 13, circulating water enters the built-in container 7 from the circulating water tank 3 through the water inlet pipe 12, when the water level probe 14 detects that the circulating water in the built-in container 7 reaches the highest water level, the valve 15 is opened, and the circulating water returns to the circulating water tank 3 from the built-in container 7 through the water outlet pipe 13.
The ultrasonic generator 8 is located outside the built-in container 7, the ultrasonic probes 16 are arranged inside the built-in container 7 and inside the mixing pipeline 6, and ultrasonic treatment is performed on circulating water loaded in the built-in container 7 and mixed solution entering the mixing pipeline 6, namely, inside and outside double ultrasonic treatment is performed on the mixed solution in the mixing pipeline 6.
The circulating water tank 3 is provided with a temperature controller 19 for regulating and controlling the temperature of the circulating water to be 25 ℃.
The feed inlet 9 and the feed pipe 10, the built-in container 7 and the water inlet pipe 12 and the water outlet pipe 13, the mixing pipeline 6 and the discharge pipe 17 are connected through a connecting bolt 18.
Example 2
Unlike example 1, the angle between the two feed ports 9 was 145 °, and the temperature of the circulating water was controlled to be 100 ℃ by the temperature controller 19.
Example 3
Unlike example 1, the angle between the two feed ports 9 was 105 °, and the temperature of the circulating water was adjusted to 10 ℃ by the temperature controller 19.
Variations and modifications to the above-described embodiments may also occur to those skilled in the art, which fall within the scope of the utility model as disclosed and taught herein. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious improvement, replacement or modification made by those skilled in the art based on the present invention is within the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (8)
1. The utility model provides a device that fuel cell catalyst optimized material mixes and thick liquids preparation, includes head tank, mixing apparatus, circulation tank and mixture storage tank, its characterized in that, mixing apparatus includes fluidic device, hybrid tube, built-in container and ultrasonic generator, fluidic device is located the top of built-in container, with arrange in inside the built-in container the hybrid tube links to each other, fluidic device is equipped with the feed inlet, the feed inlet pass through the inlet pipe with the head tank links to each other, built-in container pass through inlet tube and outlet pipe with circulation tank links to each other, the hybrid tube pass through the discharging pipe with the mixture storage tank links to each other.
2. The apparatus for fuel cell catalyst optimized material mixing and slurry preparation according to claim 1, wherein the built-in container contains circulating water, and the mixing pipe is placed in the built-in container and submerged in the circulating water in a spiral shape.
3. The apparatus for fuel cell catalyst optimized material mixing and slurry preparation of claim 1, wherein the fluidic device is provided with at least two feed ports, the angle between two adjacent feed ports is 65 ° to 145 °, and the feed ports converge to the mixing tube.
4. The fuel cell catalyst optimized material mixing and slurry preparation apparatus of claim 1, wherein the water inlet pipe is connected above the built-in container and below the circulating water tank, the water outlet pipe is connected below the built-in container and above the circulating water tank, and a water level probe is arranged at the top inside the built-in container.
5. The apparatus for fuel cell catalyst optimized material mixing and slurry preparation of claim 1, where a pump is provided between the feed pipe and the feed tank, and between the inlet pipe and the circulation tank, and the outlet pipe is provided with a valve.
6. The fuel cell catalyst optimized material mixing and slurry preparation apparatus of claim 1, wherein the ultrasonic generator is located outside the internal container, and ultrasonic probes are provided inside the internal container and inside the mixing pipe.
7. The fuel cell catalyst optimized material mixing and slurry preparation apparatus of claim 1, wherein the circulation tank is provided with a temperature controller, the temperature control range being 10-100 ℃.
8. The apparatus for fuel cell catalyst optimized material mixing and slurry preparation of claim 1, wherein the feed inlet and the feed pipe, the internal container and the water inlet and outlet pipes, and the mixing pipe and the discharge pipe are connected by a connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353359.9U CN216024554U (en) | 2021-06-17 | 2021-06-17 | Device for mixing fuel cell catalyst optimization material and preparing slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353359.9U CN216024554U (en) | 2021-06-17 | 2021-06-17 | Device for mixing fuel cell catalyst optimization material and preparing slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216024554U true CN216024554U (en) | 2022-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121353359.9U Active CN216024554U (en) | 2021-06-17 | 2021-06-17 | Device for mixing fuel cell catalyst optimization material and preparing slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216024554U (en) |
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2021
- 2021-06-17 CN CN202121353359.9U patent/CN216024554U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: Room 401, Unit 1, Building 1, Xinchen New Materials Pilot Industrialization Base, No. 300, Shutianpu Road, Shutianpu Community, Matian Street, Guangming District, Shenzhen, Guangdong Province, 518000 Patentee after: SHENZHEN CUBIC-SCIENCE Co.,Ltd. Address before: 518052 Guangqian Industrial Zone, Longzhu Third Road, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province, 9 buildings, 1-2 floors Patentee before: SHENZHEN CUBIC-SCIENCE Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240613 Address after: Room 401, Unit 1, Building 1, Xinchen New Materials Pilot Industrialization Base, No. 300, Shutianpu Road, Shutianpu Community, Matian Street, Guangming District, Shenzhen, Guangdong Province, 518000 Patentee after: SHENZHEN CUBIC-SCIENCE Co.,Ltd. Country or region after: China Patentee after: Wei Chunguang Patentee after: Wu Jin Address before: Room 401, Unit 1, Building 1, Xinchen New Materials Pilot Industrialization Base, No. 300, Shutianpu Road, Shutianpu Community, Matian Street, Guangming District, Shenzhen, Guangdong Province, 518000 Patentee before: SHENZHEN CUBIC-SCIENCE Co.,Ltd. Country or region before: China |