CN110581285A - Catalyst slurry preparation method and device - Google Patents
Catalyst slurry preparation method and device Download PDFInfo
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- CN110581285A CN110581285A CN201910894402.3A CN201910894402A CN110581285A CN 110581285 A CN110581285 A CN 110581285A CN 201910894402 A CN201910894402 A CN 201910894402A CN 110581285 A CN110581285 A CN 110581285A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention discloses a preparation method and a preparation device of catalyst slurry. Wherein, the method comprises the following steps: conveying the catalyst aqueous solution to a static mixer, wherein the catalyst in the catalyst aqueous solution is a platinum-carbon Pt/C catalyst; conveying the Nafion solution of the perfluorinated sulfonic acid and the alcohol substance to a static mixer; catalyst slurry was prepared from the aqueous catalyst solution, Nafion solution and alcohol species fed to the static mixer. The invention solves the technical problem that the catalyst slurry for producing the membrane electrode in the related technology can not be prepared in large scale.
Description
Technical Field
The invention relates to the field of electricity, in particular to a method and a device for preparing catalyst slurry.
Background
The proton exchange membrane fuel cell takes hydrogen and oxygen as fuel, and the reaction product is water, so that the proton exchange membrane fuel cell has the advantages of high efficiency and zero emission. The performance and lifetime of pem fuel cells depend largely on the membrane electrode. At present, domestic scientific research institutions and enterprises do a lot of work on the basic research aspect of key materials and achieve some achievements. However, related research and development work is mainly focused on the basic research field, and has a great difference with foreign levels in the aspect that the membrane electrode products are prepared from laboratories and are moved to industrial mass production, thereby seriously restricting the commercial application of membrane electrodes and fuel cell products in China.
In view of the above-mentioned problem that the catalyst slurry for producing the membrane electrode in the related art cannot be prepared in large quantities, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the invention provides a method and a device for preparing catalyst slurry, which at least solve the technical problem that the catalyst slurry for producing a membrane electrode in the related technology can not be prepared in a large scale.
According to an aspect of an embodiment of the present invention, there is provided a catalyst paste preparation method including: conveying a catalyst aqueous solution to a static mixer, wherein the catalyst in the catalyst aqueous solution is a platinum-carbon Pt/C catalyst; conveying the Nafion solution of the perfluorinated sulfonic acid and the alcohol substance to the static mixer; preparing catalyst slurry according to the catalyst aqueous solution, the Nafion solution and the alcohol substance which are conveyed into the static mixer.
Optionally, before the delivering the aqueous catalyst solution to the static mixer, the above catalyst slurry preparation method further comprises: preparing the aqueous catalyst solution.
alternatively, preparing the aqueous catalyst solution comprises: conveying pure water for preparing the catalyst aqueous solution and the catalyst into a reaction kettle according to a preset mass ratio; and controlling the reaction kettle to operate at a preset rotating speed for a preset time to obtain the catalyst aqueous solution.
Optionally, the alcohol comprises at least one of: ethanol, propanol, isopropanol, butanediol, n-pentanol.
Alternatively, preparing the catalyst slurry from the aqueous catalyst solution, the Nafion solution, and the alcohol species fed into the static mixer comprises: and ultrasonically dispersing the catalyst aqueous solution, the Nafion solution and the alcohol substances conveyed into the static mixer according to a preset frequency to obtain the catalyst slurry.
According to another aspect of an embodiment of the present invention, there is also provided a catalyst slurry preparation apparatus including: a first conveying unit for conveying an aqueous catalyst solution to a static mixer, wherein the catalyst in the aqueous catalyst solution is a platinum-carbon Pt/C catalyst; the second conveying unit is used for conveying the Nafion solution of the perfluorinated sulfonic acid and the alcohol substances to the static mixer; and the first preparation unit is used for preparing catalyst slurry according to the catalyst aqueous solution, the Nafion solution and the alcohol substances which are conveyed into the static mixer.
optionally, the catalyst slurry preparation apparatus further includes: a second preparation unit for preparing the aqueous catalyst solution before transferring the aqueous catalyst solution to the static mixer.
Optionally, the second preparation unit comprises: the first conveying module is used for conveying pure water used for preparing the catalyst aqueous solution and the catalyst into the reaction kettle according to a preset mass ratio; and the control module is used for controlling the reaction kettle to operate for a preset time at a preset rotating speed to obtain the catalyst aqueous solution.
Optionally, the alcohol comprises at least one of: ethanol, propanol, isopropanol, butanediol, n-pentanol.
Optionally, the first preparation unit comprises: and the acquisition module is used for carrying out ultrasonic dispersion on the catalyst aqueous solution, the Nafion solution and the alcohol substance which are conveyed into the static mixer according to a preset frequency to obtain the catalyst slurry.
According to another aspect of an embodiment of the present invention, there is also provided a storage medium including a stored program, wherein the program executes the catalyst slurry preparation method described in any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided a processor for executing a program, where the program is executed to perform the catalyst slurry preparation method described in any one of the above.
In the embodiment of the invention, the method comprises the steps of conveying a catalyst aqueous solution to a static mixer, wherein the catalyst in the catalyst aqueous solution is a platinum-carbon Pt/C catalyst; conveying the Nafion solution of the perfluorinated sulfonic acid and the alcohol substance to a static mixer; according to the method for preparing the catalyst slurry by the catalyst aqueous solution, the Nafion solution and the alcohols which are conveyed into the static mixer, the method for preparing the catalyst slurry provided by the embodiment of the invention can realize the purpose of realizing industrialization and mass production of the catalyst slurry, and the prepared slurry has stable and reliable quality, thereby solving the technical problem that the catalyst slurry used for producing the membrane electrode in the related technology can not be prepared in mass.
Drawings
the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flow chart of a method of preparing a catalyst slurry according to an embodiment of the invention;
Fig. 2 is a schematic view of a catalyst slurry preparation apparatus according to an embodiment of the present invention; and
Fig. 3 is a schematic diagram of a catalyst slurry preparation system according to an embodiment of the present invention.
Detailed Description
in order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments 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 of the 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.
it should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
for convenience of description, some terms or terms in the present invention are explained in detail below:
Proton exchange membrane fuel cell: the single cell of the fuel cell is composed of an anode, a cathode and a proton exchange membrane, wherein the anode is a place where hydrogen fuel is oxidized, the cathode is a place where an oxidant is reduced, the two electrodes both contain a catalyst for accelerating the electrochemical reaction of the electrodes, and the proton exchange membrane is used as an electrolyte
Perfluorosulfonic acid solution: the catalyst is a perfluorinated sulfonic acid polymer solution, forms a membrane electrode, is used as a coating and a carrier of the catalyst, reduces the transmission resistance of substances and the resistance of the electrode due to the fact that a catalyst layer of the catalyst is very thin, greatly improves the utilization rate of Pt, and reduces the platinum-carrying amount of the membrane electrode by 0.4mg/cm 2.
A flow meter: is a meter that indicates the measured flow rate and/or the total amount of fluid in a selected time interval.
A static mixer: the mixing device is a high-efficiency mixing device without moving parts, and the basic working mechanism of the mixing device is to change the flowing state of the fluid in the pipe by using a mixing unit body fixed in the pipe so as to achieve the purposes of good dispersion and full mixing of different fluids.
A pump: is a machine that transports or pressurizes a fluid, which transfers the mechanical energy of a prime mover or other external energy to the liquid, causing the liquid energy to increase.
Example 1
In accordance with an embodiment of the present invention, there is provided a method embodiment of a catalyst slurry preparation method, it being noted that the steps illustrated in the flowchart of the figure may be performed in a computer system, such as a set of computer-executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than presented herein.
fig. 1 is a flowchart of a catalyst ink preparation method according to an embodiment of the present invention, which includes the steps of:
And S102, conveying the catalyst aqueous solution to a static mixer, wherein the catalyst in the catalyst aqueous solution is a Pt/C catalyst with platinum and carbon.
Step S104, conveying the Nafion solution of the perfluorinated sulfonic acid and the alcohol substance to a static mixer.
Wherein, the storage temperature of the dispersion liquid of 5 percent or 10 percent of perfluorosulfonic acid Nafion solution is 10-45 ℃, and the flow precision is 1-2 percent.
And step S106, preparing catalyst slurry according to the catalyst aqueous solution, the Nafion solution and the alcohol substances which are conveyed into the static mixer.
Through the steps, the catalyst slurry can be prepared by using the catalyst aqueous solution, the Nafion solution and the alcohol substance, so that the catalyst slurry can be industrially and massively produced, the quality of the prepared slurry is stable and reliable, and the technical problem that the catalyst slurry for producing the membrane electrode in the related technology cannot be prepared in a large scale is solved.
In the membrane electrode preparation process, the preparation of the catalyst slurry is an important step, and before the step S102, that is, before the catalyst aqueous solution is sent to the static mixer, the preparation method of the catalyst slurry may further include: an aqueous catalyst solution is prepared.
Specifically, preparing the aqueous catalyst solution may include: conveying pure water and a catalyst for preparing a catalyst aqueous solution into a reaction kettle according to a preset mass ratio; controlling the reaction kettle to run for a preset time at a preset rotating speed to obtainAn aqueous catalyst solution. It should be noted that the catalyst and the pure water are stored in storage tanks, respectively, and may be transferred to the reaction tank by a pump. Wherein the catalyst is a platinum-carbon Pt/C catalyst, the mass content of platinum Pt is 30-80%, the preferable mass content is 40-70%, the particle size is 30-100nm, and the specific surface area of platinum is 20-80m2(ii) in terms of/g. The mass flow accuracy of the transported catalyst required ± 0.005g flow.
In addition, pure water is stored in a storage tank capable of preserving heat at 30 +/-DEG, the conductivity is 3.0-7.0uS/cm, and the flow precision is controlled to be 1% -2%. Wherein the mass ratio of the catalyst to the pure water is 1:3-1: 5. It should be noted that the reaction kettle is a stirring reaction kettle, the temperature of the stirring reaction kettle is controlled at 10-45 ℃, the stirring time is 30-90min, and the rotation speed is 2000-3000 rpm.
Wherein the alcohol may comprise at least one of: ethanol, propanol, isopropanol, butanediol, n-pentanol. It should be noted that the storage temperature of the alcohol position is 10-45 deg.C, and the flow precision of the alcohol substance is controlled at 1% -2%.
in the above step S106, preparing the catalyst slurry from the aqueous catalyst solution, the Nafion solution, and the alcohol substance fed into the static mixer may include: and (3) carrying out ultrasonic dispersion on the catalyst aqueous solution, the Nafion solution and the alcohol substance which are conveyed into the static mixer according to a preset frequency to obtain catalyst slurry. Wherein, the outside of the static mixer is provided with a temperature control component which can keep the temperature of the static mixer at 10-45 ℃, and the static mixer is also provided with an ultrasonic device which can carry out ultrasonic dispersion on the flowing liquid, wherein, the ultrasonic frequency is 10-40KHz, and the ultrasonic power is 50-500W. It should be noted that the length of the static mixer is 1.0-5.0, and the static mixer can be placed horizontally or vertically. In order to make the quality performance of the prepared catalyst slurry stable and reliable, the time for the catalyst aqueous solution, the Nafion solution and the alcohol substance which are conveyed into the static mixer to flow in the static mixer should be kept between 1 and 20 minutes.
Example 2
The embodiment of the invention also provides a catalyst slurry preparation device, and it should be noted that the catalyst slurry preparation device of the embodiment of the invention can be used for executing the catalyst slurry preparation method provided by the embodiment of the invention. The following describes a catalyst slurry preparation apparatus provided in an embodiment of the present invention.
Fig. 2 is a schematic view of a catalyst slurry preparation apparatus according to an embodiment of the present invention, as shown in fig. 2, including: a first conveying unit 21, a second conveying unit 23 and a first preparation unit 25. The catalyst slurry preparation apparatus is explained in detail below.
a first delivery unit 21 for delivering the catalyst aqueous solution to the static mixer, wherein the catalyst in the catalyst aqueous solution is a platinum carbon Pt/C catalyst.
And a second conveying unit 23 connected to the first conveying unit 21, for conveying the Nafion perfluorosulfonate solution and the alcohol to the static mixer.
And a first preparation unit 25 connected to the second transfer unit 23, for preparing a catalyst slurry from the aqueous catalyst solution, the Nafion solution, and the alcohol, which are transferred to the static mixer.
In the above embodiment, the catalyst aqueous solution may be transferred to the static mixer using the first transfer unit, wherein the catalyst in the catalyst aqueous solution is a platinum carbon Pt/C catalyst; the second conveying unit conveys the Nafion solution of the perfluorinated sulfonic acid and the alcohol substances to the static mixer; the first preparation unit prepares a catalyst slurry from the aqueous catalyst solution, the Nafion solution, and the alcohol substance, which are transferred to the static mixer. The catalyst slurry preparation device can realize the industrialized and mass production of the catalyst slurry, and the prepared slurry has stable and reliable quality, thereby solving the technical problem that the catalyst slurry for producing the membrane electrode in the related technology can not be prepared in mass.
In an optional embodiment of the present invention, the catalyst slurry preparation apparatus may further include: a second preparation unit for preparing the aqueous catalyst solution before the aqueous catalyst solution is transferred to the static mixer.
in an alternative embodiment of the present invention, the second preparation unit may include: the first conveying module is used for conveying pure water and the catalyst for preparing the catalyst aqueous solution into the reaction kettle according to a preset mass ratio; and the control module is used for controlling the reaction kettle to operate for a preset time at a preset rotating speed to obtain the catalyst aqueous solution.
In an alternative embodiment of the present invention, the alcohol may include at least one of: ethanol, propanol, isopropanol, butanediol, n-pentanol.
In an alternative embodiment of the present invention, the first preparation unit may include: and the acquisition module is used for carrying out ultrasonic dispersion on the catalyst aqueous solution, the Nafion solution and the alcohol substances which are conveyed into the static mixer according to the preset frequency to obtain the catalyst slurry.
Example 3
according to another aspect of an embodiment of the present invention, there is also provided a catalyst slurry preparation system, and fig. 3 is a schematic view of a catalyst slurry preparation system according to an embodiment of the present invention, which may include, as shown in fig. 3: storage tank, reation kettle and static mixer.
The catalyst and the pure water for preparing the catalyst aqueous solution are respectively stored in a first storage tank and a second storage tank, a first pump and a second pump are arranged between the first storage tank and the second storage tank and the reaction kettle, and the catalyst and the pure water are conveyed into the reaction kettle through the first pump and the second pump. Wherein, a first valve, a second valve, a first flowmeter and a second flowmeter are arranged between the first pump, the second pump and the reaction kettle, and the flow rate of the catalyst and the pure water can be controlled through the first valve and the second valve; the first flow meter and the second flow meter can be used for displaying the total amount of the fluid in the catalyst and the pure water in a selected time interval. The reaction kettle is a stirring reaction kettle, can improve the preparation efficiency of the catalyst aqueous solution, can fully mix the catalyst and pure water, and improves the stability of the prepared catalyst aqueous solution.
in addition, the catalyst slurry preparation system further includes: the material storage tank III is used for storing alcohol substances; and the material storage tank IV is used for storing the Nafion solution. Similarly, in order to control the flow rate of the alcohol substance and the Nafion solution and display the total amount of the alcohol substance and the Nafion solution in the selected time interval, a third pump, a fourth pump, a third flow meter and a fourth flow meter are respectively arranged at the outlets of the third storage tank and the fourth storage tank.
Wherein, in order to control the catalyst aqueous solution in the reaction kettle to be conveyed into the static mixer at a preset flow rate, a fifth pump, a fifth valve and a fifth flowmeter are also arranged at the outlet of the reaction kettle. The functions of the pump five, the valve five and the flow meter five are the same as those of the pump one, the flow meter one and the valve one, and are not described herein again.
The above catalyst slurry preparation system further comprises: and the static mixer is used for carrying out ultrasonic dispersion on the catalyst aqueous solution, the Nafion solution and the alcohol substance which are conveyed into the static mixer to obtain catalyst slurry.
By the catalyst slurry preparation system, the catalyst slurry can be prepared efficiently in batch, and the prepared catalyst slurry is relatively stable in quality and performance.
The catalyst slurry preparation apparatus may further include a processor and a memory, wherein the first conveying unit 21, the second conveying unit 23, the first preparation unit 25, and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to implement corresponding functions.
The processor comprises a kernel, and the kernel calls a corresponding program unit from the memory. One or more than one inner core can be arranged, and catalyst slurry is prepared according to the catalyst aqueous solution, the Nafion solution and the alcohol substances which are conveyed into the static mixer by adjusting the parameters of the inner core.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
According to another aspect of an embodiment of the present invention, there is also provided a storage medium including a stored program, wherein the program performs the catalyst slurry preparation method of any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided a processor for executing a program, wherein the program executes to perform the catalyst slurry preparation method of any one of the above.
The embodiment of the present invention further provides an apparatus, which includes a processor, a memory, and a program stored in the memory and capable of being executed on the processor, and when the processor executes the program, the following steps are implemented: conveying the catalyst aqueous solution to a static mixer, wherein the catalyst in the catalyst aqueous solution is a platinum-carbon Pt/C catalyst; conveying the Nafion solution of the perfluorinated sulfonic acid and the alcohol substance to a static mixer; catalyst slurry was prepared from the aqueous catalyst solution, Nafion solution and alcohol species fed to the static mixer.
There is also provided in an embodiment of the invention a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: conveying the catalyst aqueous solution to a static mixer, wherein the catalyst in the catalyst aqueous solution is a platinum-carbon Pt/C catalyst; conveying the Nafion solution of the perfluorinated sulfonic acid and the alcohol substance to a static mixer; catalyst slurry was prepared from the aqueous catalyst solution, Nafion solution and alcohol species fed to the static mixer.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (12)
1. A method for preparing a catalyst slurry, comprising:
Conveying a catalyst aqueous solution to a static mixer, wherein the catalyst in the catalyst aqueous solution is a platinum-carbon Pt/C catalyst;
Conveying the Nafion solution of the perfluorinated sulfonic acid and the alcohol substance to the static mixer;
preparing catalyst slurry according to the catalyst aqueous solution, the Nafion solution and the alcohol substance which are conveyed into the static mixer.
2. The method of claim 1, further comprising, prior to delivering the aqueous catalyst solution to the static mixer: preparing the aqueous catalyst solution.
3. The method of claim 2, wherein preparing the aqueous catalyst solution comprises:
Conveying pure water for preparing the catalyst aqueous solution and the catalyst into a reaction kettle according to a preset mass ratio;
And controlling the reaction kettle to operate at a preset rotating speed for a preset time to obtain the catalyst aqueous solution.
4. The method of claim 1, wherein the alcohol comprises at least one of: ethanol, propanol, isopropanol, butanediol, n-pentanol.
5. The method according to any one of claims 1 to 4, wherein preparing the catalyst slurry from the aqueous catalyst solution, the Nafion solution, and the alcohol-based substance fed into the static mixer comprises:
And ultrasonically dispersing the catalyst aqueous solution, the Nafion solution and the alcohol substances conveyed into the static mixer according to a preset frequency to obtain the catalyst slurry.
6. A catalyst slurry preparation apparatus, comprising:
A first conveying unit for conveying an aqueous catalyst solution to a static mixer, wherein the catalyst in the aqueous catalyst solution is a platinum-carbon Pt/C catalyst;
The second conveying unit is used for conveying the Nafion solution of the perfluorinated sulfonic acid and the alcohol substances to the static mixer;
And the first preparation unit is used for preparing catalyst slurry according to the catalyst aqueous solution, the Nafion solution and the alcohol substances which are conveyed into the static mixer.
7. the apparatus of claim 6, further comprising: a second preparation unit for preparing the aqueous catalyst solution before transferring the aqueous catalyst solution to the static mixer.
8. The apparatus of claim 7, wherein the second preparation unit comprises:
The first conveying module is used for conveying pure water used for preparing the catalyst aqueous solution and the catalyst into the reaction kettle according to a preset mass ratio;
And the control module is used for controlling the reaction kettle to operate for a preset time at a preset rotating speed to obtain the catalyst aqueous solution.
9. The device of claim 6, wherein the alcohol comprises at least one of: ethanol, propanol, isopropanol, butanediol, n-pentanol.
10. The apparatus according to any one of claims 6 to 9, wherein the first preparation unit comprises:
And the acquisition module is used for carrying out ultrasonic dispersion on the catalyst aqueous solution, the Nafion solution and the alcohol substance which are conveyed into the static mixer according to a preset frequency to obtain the catalyst slurry.
11. A storage medium characterized by comprising a stored program, wherein the program executes the catalyst slurry preparation method according to any one of claims 1 to 5.
12. A processor for executing a program, wherein the program is executed to perform the catalyst slurry preparation method according to any one of claims 1 to 5.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188582A (en) * | 2021-12-10 | 2022-03-15 | 东方电气(成都)氢燃料电池科技有限公司 | Fuel cell membrane electrode ionomer pretreatment method |
| CN114204053A (en) * | 2021-12-10 | 2022-03-18 | 东方电气(成都)氢燃料电池科技有限公司 | Preparation method of fuel cell membrane electrode slurry |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040012498A (en) * | 2002-07-31 | 2004-02-11 | 오엠지 아게 운트 코 카게 | Process for the manufacture of catalyst-coated substrates and water-based catalyst inks for use therefor |
| CN103107344A (en) * | 2013-01-28 | 2013-05-15 | 清华大学 | Catalyst slurry and method for preparing catalyst slurry and membrane electrode assembly |
| CN103972515A (en) * | 2014-06-04 | 2014-08-06 | 哈尔滨工业大学 | Direct methanol fuel cell membrane electrode with high specific energy and preparation method of electrode |
| CN209020323U (en) * | 2018-10-31 | 2019-06-25 | 辽宁盛泽精细化工科技有限公司 | It is a kind of integration catalyst pulp prepare assembly line |
| CN109999712A (en) * | 2019-03-20 | 2019-07-12 | 安徽海螺集团有限责任公司 | A kind of feed proportioning system automated in industrial production |
-
2019
- 2019-09-20 CN CN201910894402.3A patent/CN110581285A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040012498A (en) * | 2002-07-31 | 2004-02-11 | 오엠지 아게 운트 코 카게 | Process for the manufacture of catalyst-coated substrates and water-based catalyst inks for use therefor |
| CN103107344A (en) * | 2013-01-28 | 2013-05-15 | 清华大学 | Catalyst slurry and method for preparing catalyst slurry and membrane electrode assembly |
| CN103972515A (en) * | 2014-06-04 | 2014-08-06 | 哈尔滨工业大学 | Direct methanol fuel cell membrane electrode with high specific energy and preparation method of electrode |
| CN209020323U (en) * | 2018-10-31 | 2019-06-25 | 辽宁盛泽精细化工科技有限公司 | It is a kind of integration catalyst pulp prepare assembly line |
| CN109999712A (en) * | 2019-03-20 | 2019-07-12 | 安徽海螺集团有限责任公司 | A kind of feed proportioning system automated in industrial production |
Non-Patent Citations (1)
| Title |
|---|
| 曲和玲: "多流程制浆车间的设计", 《山东轻工业学院学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188582A (en) * | 2021-12-10 | 2022-03-15 | 东方电气(成都)氢燃料电池科技有限公司 | Fuel cell membrane electrode ionomer pretreatment method |
| CN114204053A (en) * | 2021-12-10 | 2022-03-18 | 东方电气(成都)氢燃料电池科技有限公司 | Preparation method of fuel cell membrane electrode slurry |
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Application publication date: 20191217 |