CN113668009A - Hydrogen evolution reaction electrocatalyst of phosphide and preparation method - Google Patents
Hydrogen evolution reaction electrocatalyst of phosphide and preparation method Download PDFInfo
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- CN113668009A CN113668009A CN202110800847.8A CN202110800847A CN113668009A CN 113668009 A CN113668009 A CN 113668009A CN 202110800847 A CN202110800847 A CN 202110800847A CN 113668009 A CN113668009 A CN 113668009A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/075—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The invention discloses a preparation method of a phosphide hydrogen evolution reaction electrocatalyst, which comprises the following steps: s1: firstly, preparing a raw material for preparing the hydrogen evolution reaction electrocatalyst, putting the raw material into a stirring device for stirring and uniformly mixing, and S2: the mixed raw materials are heated by a reaction furnace, and mixed RuCl3 & 3H2O and NaH2PO2 are promoted to carry out a phosphorization reaction to generate RuP, S3: the resultant RuP was filtered to separate impurities from RuP, and thus purified, S4: when the reacting furnace has more impurity, the user directly pulls out the diaphragm that has impurity inside and clears up, can accomplish the cleanness. According to the invention, through the mutual matching of the driving structure and the raw material placing structure, the raw material position can be changed without contact, the uniform heating is ensured, and through the baffle plate structure, the catalyst can be taken out in a manner that the catalyst is automatically moved out from the side surface and the cover plate is manually opened, so that the applicability is improved, and through the arrangement of the slag removing structure, the residue in the reaction furnace can be quickly and integrally taken out and cleaned.
Description
Technical Field
The invention relates to the technical field of phosphide hydrogen evolution reaction electrocatalysts, in particular to a phosphide hydrogen evolution reaction electrocatalyst and a preparation method thereof.
Background
In the process of hydrogen production by electrochemical hydrolysis, a catalyst is needed to be used to improve the reaction efficiency, the types of the catalyst are multiple, and in order to solve the problem of high cost, in the prior art, an RuP catalyst is provided, the manufacturing cost is low, and the use efficiency is high, but in the process of manufacturing the catalyst, the size of a used production device is relatively large, and the catalyst can only be taken out in a fixed mode, so that the applicability of the production device is not strong, the raw materials in the production device cannot be subjected to non-contact distance adjustment, the temperature is easily heated unevenly, and the production efficiency of the catalyst is influenced.
Disclosure of Invention
Therefore, the invention aims to provide a phosphide hydrogen evolution reaction electrocatalyst and a preparation method thereof, the position of a raw material can be changed without contact through the mutual matching of the arranged driving structure and the raw material placing structure, the uniform heating is ensured, the catalyst can be taken out through the baffle structure in a mode of automatically moving out the catalyst from the side surface and manually opening the cover plate, the applicability is improved, and the residue in a reaction furnace can be quickly and integrally taken out and cleaned through the arrangement of a slag cleaning structure.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a preparation method of a phosphide hydrogen evolution reaction electrocatalyst comprises the following steps:
s1: firstly, preparing raw materials for preparing the hydrogen evolution reaction electrocatalyst, wherein the raw materials for preparing the hydrogen evolution reaction electrocatalyst comprise RuCl 3.3H 2O and NaH2PO2, and respectively placing RuCl 3.3H 2O and NaH2PO2 into a stirring device for stirring and uniformly mixing;
s2: placing the mixed raw materials on a partition plate in a reaction furnace, covering and pressing the whole reaction furnace by using a cover plate, filling inert gas after the cover plate is pressed, starting the reaction furnace, heating the reaction furnace, and promoting mixed RuCl3 & 3H2O and NaH2PO2 to carry out a phosphating reaction to generate RuP;
s3: the user opens the cover plate, filters the generated RuP, separates the impurities from RuP, purifies the catalyst in this way, ensures the efficiency of RuP, and can quickly switch the way of taking out the catalyst when the cover plate can not be opened, and directly takes out the generated catalyst from the side edge, thus having lower requirement on the production environment and being convenient to use;
s4: when using for a long time, when the reacting furnace has more impurity, the user directly pulls out the clearance with the inside diaphragm that contains impurity, can accomplish cleanly, need not to scrub convenience of use in inside.
A phosphide hydrogen evolution reaction electrocatalyst according to claim 1, prepared according to the formula RuP.
The preferable scheme of the preparation method of the phosphide hydrogen evolution reaction electrocatalyst is that the preparation method further comprises a reaction furnace assembly, wherein the reaction furnace assembly comprises a reaction furnace body, arc-shaped supporting plates arranged on two sides of the reaction furnace body and a reaction tank placed in the reaction furnace body.
As a preferable scheme of the preparation method of the phosphide hydrogen evolution reaction electrocatalyst, the preparation method further comprises a driving assembly, wherein the driving assembly comprises a driving motor arranged at one end of the reaction tank, and a first screw rod and a second screw rod which are arranged in the reaction tank and connected with the driving motor.
As a preferable embodiment of the method for preparing a phosphide hydrogen evolution reaction electrocatalyst, the method further comprises a raw material placing module, wherein the raw material placing module comprises a first raw material placing plate installed in the reaction tank, a second raw material placing plate placed in parallel with the first raw material placing plate, first sleeves fixed on two opposite sides of the first raw material placing plate, and second sleeves fixed on two opposite sides of the second raw material placing plate.
The preferable scheme of the preparation method of the phosphide hydrogen evolution reaction electrocatalyst is that the preparation method further comprises a cover plate assembly, wherein the cover plate assembly comprises an installation side plate fixed on the top surface of the reaction furnace body, a round rod arranged on the surface of the installation side plate, a shielding cover plate fixed on the surface of the round rod, an arc-shaped cover plate arranged on the surface of the shielding cover plate, an air charging pipeline arranged at one end of the arc-shaped cover plate and a handle fixed on the outer side of the shielding cover plate.
As a preferable embodiment of the method for preparing the phosphine hydrogen evolution reaction electrocatalyst, the method further comprises a baffle plate assembly, wherein the baffle plate assembly comprises a threaded rod fixed on the surface of the other end of the reaction tank, an arc baffle plate penetrated by the threaded rod and a nut for locking the arc baffle plate.
The preferable scheme of the preparation method of the phosphide hydrogen evolution reaction electrocatalyst is that the preparation method further comprises a slag removing assembly, wherein the slag removing assembly comprises a mounting plate, an arc-shaped groove and an arc-shaped plate, the mounting plate is fixed on the inner side wall of the reaction tank and is positioned below the first screw rod, the arc-shaped groove is formed in the surface of the mounting plate, and the arc-shaped plate is inserted into the arc-shaped groove.
Compared with the prior art, the invention has the beneficial effects that: through the mutual cooperation of the arranged driving structure and the raw material placing structure, the position of the raw material can be changed without contact is reached, the uniform heating is ensured, and through the baffle plate structure, the catalyst can be taken out in a mode of automatically moving out the catalyst from the side surface and manually opening the cover plate, the applicability is improved, the residue in the reaction furnace can be quickly and integrally taken out for cleaning through the arrangement of the residue cleaning structure, when the reaction furnace is used specifically, a user places the mixed raw material on the surfaces of the first raw material placing plate and the second raw material placing plate, holds the handle by the user after placing, downwards presses the shielding cover plate to cover, the arc-shaped cover plate directly contacts with the reaction tank to cover and seal, inert gas is filled in through the inflation pipeline, at the moment, the user drives the reaction furnace body to heat up, thereby promoting the reaction between the raw materials, the catalyst is prepared, in the heating process, the driving motor drives the first screw rod and the second screw rod to move slowly, thereby driving the first raw material placing plate and the second raw material placing plate to move, slowly moving the first raw material placing plate and the second raw material placing plate to the middle, ensuring the uniformity and stability of raw material heating, preventing the temperature rising speed from being fast and influencing the production efficiency of the catalyst, after the production is finished, opening the shielding cover plate by a user, taking out the catalyst, when the shielding cover plate is inconvenient to open, unscrewing the nut by the user, taking down the arc-shaped baffle plate, continuously driving the first lead screw and the second lead screw by the driving motor to move, driving the first raw material placing plate and the second raw material placing plate to move out from one side of the reaction tank by the first lead screw and the second lead screw, thus moving out the catalyst in two ways, the suitability is higher, and when having more impurity in the longer use reacting furnace body, impurity can all drop on the arc board surface, and the user directly stimulates the arc, and the arc breaks away from each other with the mounting panel, with whole arc move out the clearance can, clearance speed is very fast like this.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is an enlarged view of the slag removal assembly of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the material placement assembly of FIG. 2 in accordance with the present invention;
fig. 5 is an enlarged view of the baffle assembly of fig. 2 in accordance with the present invention.
In the figure: 100. a reactor assembly; 110. a reaction furnace body; 120. an arc-shaped supporting plate; 130. a reaction tank; 200. a drive assembly; 210. a drive motor; 220. a first lead screw; 230. a second lead screw; 300. a raw material placement assembly; 310. a first raw material placing plate; 320. a second raw material placing plate; 330. a first sleeve; 340. a second sleeve; 400. a cover plate assembly; 410. installing a side plate; 420. a round bar; 430. a shielding cover plate; 440. an arc-shaped cover plate; 450. an inflation conduit; 460. a handle; 500. a baffle assembly; 510. a threaded rod; 520. an arc-shaped baffle plate; 530. a nut; 600. a slag removal assembly; 610. mounting a plate; 620. an arc-shaped slot; 630. an arc-shaped plate.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a phosphide hydrogen evolution reaction electrocatalyst and a preparation method thereof, the position of a raw material can be changed without contact through the mutual matching of a driving structure and a raw material placing structure, the uniform heating is ensured, the catalyst can be taken out through a baffle structure in a mode of automatically moving out the catalyst from the side surface and manually opening a cover plate, the applicability is improved, and the residue in a reaction furnace can be quickly and integrally taken out and cleaned through the arrangement of a slag removing structure.
Referring to fig. 1 to 5, which are schematic overall structural views illustrating an embodiment of a method for preparing a phosphine-separated electrocatalyst according to the present invention, referring to fig. 1 to 5, the main components of the phosphine-separated electrocatalyst and the method for preparing the same include a reactor assembly 100, a driving assembly 200, a raw material placing assembly 300, a cover plate assembly 400, a baffle plate assembly 500, and a slag removal assembly 600.
The reaction furnace assembly 100 is used for heating and providing a manufacturing environment for catalyst manufacturing, and specifically, the reaction furnace assembly 100 comprises a reaction furnace body 110, arc-shaped supporting plates 120 and a reaction tank 130, wherein the reaction furnace body 110 is arranged, the arc-shaped supporting plates 120 are arranged on two sides of the reaction furnace body 110, and the reaction tank 130 is placed in the reaction furnace body 110.
The driving assembly 200 is used for driving, driving the first raw material placing plate 310 and the second raw material placing plate 320 to horizontally move, and facilitating uniform temperature rise and catalyst taking out, specifically, the driving assembly 200 comprises a driving motor 210 installed at one end of the reaction tank 130, and a first screw rod 220 and a second screw rod 230 installed in the reaction tank 130 and connected with the driving motor 210, when in specific use, the driving motor 210 drives the first screw rod 220 and the second screw rod 230 to slowly move, so as to drive the first raw material placing plate 310 and the second raw material placing plate 320 to move, so that the first raw material placing plate 310 and the second raw material placing plate 320 are slowly moved towards the middle, the middle temperature of the reaction furnace body 110 is higher, the temperatures at both sides are relatively lower, so that the two raw material placing plates move towards the middle, the temperatures are increased in an incremental manner, uniformity and stability of raw material heating are ensured, and the temperature rise speed is prevented from being higher, influence catalyst production efficiency, when sheltering from apron 430 and inconveniently opening, first lead screw 220 and second lead screw 230 drive first raw materials and place board 310 and second raw materials and place board 320 and shift out from one side of reaction tank 130, and the catalyst is shifted out to accessible two kinds of modes like this, and the suitability is higher.
The raw material placing assembly 300 is used for placing catalyst production raw materials, and is matched with the driving assembly 200 to complete movement adjustment, specifically, the raw material placing assembly 300 comprises a first raw material placing plate 310 installed in the reaction tank 130, a second raw material placing plate 320 placed in parallel with the first raw material placing plate 310, a first sleeve 330 fixed on two opposite sides of the first raw material placing plate 310 and a second sleeve 340 fixed on two opposite sides of the second raw material placing plate 320, when the device is specifically used, a user places mixed raw materials on the surfaces of the first raw material placing plate 310 and the second raw material placing plate 320, the first sleeve 330 and the second sleeve 340 are respectively sleeved with the first screw rod 220 and the second screw rod 230, and under the action of the driving motor 210, the first sleeve 330 and the second sleeve 340 are driven to horizontally move.
The cover plate assembly 400 is used for sealing, the temperature is kept not to be dissipated quickly, specifically, the cover plate assembly 400 comprises an installation side plate 410 fixed on the top surface of the reaction furnace body 110, a round rod 420 installed on the surface of the installation side plate 410, a shielding cover plate 430 fixed on the surface of the round rod 420, an arc-shaped cover plate 440 installed on the surface of the shielding cover plate 430, an inflation pipeline 450 arranged at one end of the arc-shaped cover plate 440 and a handle 460 fixed on the outer side of the shielding cover plate 430, when the cover plate is used specifically, a user holds the handle 460 by hand, the shielding cover plate 430 is pressed downwards to cover the cover, the arc-shaped cover plate 440 is directly contacted with the reaction tank 130 to be covered and sealed after the cover is closed, and inert gas is filled in through the inflation pipeline 450.
The baffle plate assembly 500 is used for blocking the seal, specifically, the baffle plate assembly 500 comprises a threaded rod 510 fixed on the other end surface of the reaction tank 130, an arc baffle plate 520 penetrated by the threaded rod 510 and a nut 530 locking the arc baffle plate 520, when the arc plate 630 needs to be moved out or the first raw material placing plate 310 and the second raw material placing plate 320 need to be moved out from one side, a user unscrews the nut 530, the arc plate 630 is detached, and when the arc plate 630 does not need to be moved out or the first raw material placing plate 310 and the second raw material placing plate 320 do not need to be moved out from one side, the user uses the arc baffle plate 520 to block.
Scarfing cinder subassembly 600 is used for quick scarfing cinder, it is clean to keep, it is specific, scarfing cinder subassembly 600 is including fixing mounting panel 610 at the inside wall of reaction tank 130 and being located first lead screw 220 below, set up arc 620 on mounting panel 610 surface and insert the arc 630 to the arc 620 in, when specifically using, when there are more impurity in longer use reacting furnace body 110, impurity can all drop on arc 630 surface, the direct pulling arc 630 of user, arc 630 breaks away from each other with mounting panel 610, it can to shift out the clearance with whole arc 630, cleaning speed is very fast like this.
Referring to fig. 1 to 5, in the hydrogen evolution reaction electrocatalyst for phosphide and the preparation method according to the present embodiment, when in specific use, a user places mixed raw materials on the surfaces of the first raw material placing plate 310 and the second raw material placing plate 320, holds the handle 460 with the hand of the user after placement, presses the shielding cover plate 430 downward to cover, the arc-shaped cover plate 440 directly contacts with the reaction tank 130 to cover and seal, fills inert gas through the gas filling pipe 450, and at this time, the user drives the reaction furnace body 110 to heat up to promote the reaction between the raw materials to obtain the catalyst, during the heating process, the driving motor 210 drives the first lead screw 220 and the second lead screw 230 to move slowly, so as to drive the first raw material placing plate 310 and the second raw material placing plate 320 to move, so as to slowly move the first raw material placing plate 310 and the second raw material placing plate 320 towards the middle, the middle temperature of the reaction furnace body 110 is higher, the temperatures at both sides are relatively lower, so that the two raw material placing plates move towards the middle, the temperature is increased in an increasing manner, the uniformity and stability of raw material heating are ensured, the temperature increase speed is prevented from being higher, the production efficiency of the catalyst is prevented from being influenced, after the production is finished, a user opens the shielding cover plate 430 to take out the catalyst, when the shielding cover plate 430 is inconvenient to open, the user unscrews the nut 530 to take the arc-shaped baffle plate 520 down, the driving motor 210 continues to drive the first lead screw 220 and the second lead screw 230 to move, the first lead screw 220 and the second lead screw 230 drive the first raw material placing plate 310 and the second raw material placing plate 320 to move out from one side of the reaction tank 130, so that the catalyst can be moved out in two ways, the applicability is higher, when more impurities exist in the reaction furnace body 110 due to long use, the impurities can all fall onto the surface of the arc-shaped plate 630, the user directly stimulates arc 630, and arc 630 breaks away from each other with mounting panel 610, with whole arc 630 shift out the clearance can, the speed of clearing up is very fast like this.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A preparation method of a phosphide hydrogen evolution reaction electrocatalyst is characterized by comprising the following steps:
s1: firstly, preparing raw materials for preparing the hydrogen evolution reaction electrocatalyst, wherein the raw materials for preparing the hydrogen evolution reaction electrocatalyst comprise RuCl 3.3H 2O and NaH2PO2, and respectively placing RuCl 3.3H 2O and NaH2PO2 into a stirring device for stirring and uniformly mixing;
s2: placing the mixed raw materials on a partition plate in a reaction furnace, covering and pressing the whole reaction furnace by using a cover plate, filling inert gas after the cover plate is pressed, starting the reaction furnace, heating the reaction furnace, and promoting mixed RuCl3 & 3H2O and NaH2PO2 to carry out a phosphating reaction to generate RuP;
s3: the user opens the cover plate, filters the generated RuP, separates the impurities from RuP, purifies the catalyst in this way, ensures the efficiency of RuP, and can quickly switch the way of taking out the catalyst when the cover plate can not be opened, and directly takes out the generated catalyst from the side edge, thus having lower requirement on the production environment and being convenient to use;
s4: when using for a long time, when the reacting furnace has more impurity, the user directly pulls out the clearance with the inside diaphragm that contains impurity, can accomplish cleanly, need not to scrub convenience of use in inside.
2. A phosphide hydrogen evolution reaction electrocatalyst according to claim 1, characterised in that the catalyst produced is of the formula RuP.
3. The method for preparing the phosphine-evolution hydrogen reaction electrocatalyst according to claim 2, further comprising a reaction furnace assembly (100), wherein the reaction furnace assembly (100) comprises a reaction furnace body (110), arc-shaped supporting plates (120) installed at both sides of the reaction furnace body (110), and a reaction tank (130) placed into the reaction furnace body (110).
4. The method for preparing the phosphine-evolution hydrogen reaction electrocatalyst according to claim 3, further comprising a driving assembly (200), wherein the driving assembly (200) comprises a driving motor (210) installed at one end of the reaction tank (130), and a first lead screw (220) and a second lead screw (230) installed in the reaction tank (130) and connected to the driving motor (210).
5. The method for preparing a phosphide hydrogen evolution reaction electrocatalyst according to claim 4, further comprising a raw material placing module (300), wherein the raw material placing module (300) comprises a first raw material placing plate (310) installed in the reaction tank (130), a second raw material placing plate (320) juxtaposed to the first raw material placing plate (310), a first sleeve (330) fixed to both sides of the first raw material placing plate (310), and a second sleeve (340) fixed to both sides of the second raw material placing plate (320).
6. The method for preparing the phosphine-based hydrogen evolution electrocatalyst according to claim 5, further comprising a cover plate assembly (400), wherein the cover plate assembly (400) comprises a mounting side plate (410) fixed on the top surface of the reactor body (110), a round bar (420) mounted on the surface of the mounting side plate (410), a shielding cover plate (430) fixed on the surface of the round bar (420), an arc-shaped cover plate (440) mounted on the surface of the shielding cover plate (430), an air charging pipe (450) opened at one end of the arc-shaped cover plate (440), and a handle (460) fixed on the outer side of the shielding cover plate (430).
7. The method for preparing a phosphide hydrogen evolution reaction electrocatalyst according to claim 6, further comprising a baffle plate assembly (500), wherein the baffle plate assembly (500) comprises a threaded rod (510) fixed to the other end surface of the reaction tank (130), a curved baffle plate (520) penetrated by the threaded rod (510), and a nut (530) locking the curved baffle plate (520).
8. The method for preparing the hydrogen evolution reaction electrocatalyst for phosphide according to claim 7, further comprising a slag removal assembly (600), wherein the slag removal assembly (600) comprises a mounting plate (610) fixed on the inner side wall of the reaction tank (130) and positioned below the first lead screw (220), an arc-shaped groove (620) formed on the surface of the mounting plate (610), and an arc-shaped plate (630) inserted into the arc-shaped groove (620).
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| CN202110800847.8A CN113668009A (en) | 2021-07-15 | 2021-07-15 | Hydrogen evolution reaction electrocatalyst of phosphide and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204115488U (en) * | 2014-08-30 | 2015-01-21 | 泰州市贝斯特钼制品有限公司 | Molybdenum powder is automatic displacement device in heating reaction furnace gradually |
| CN105466219A (en) * | 2014-08-30 | 2016-04-06 | 泰州市贝斯特钼制品有限公司 | Automatic displacement device in molybdenum powder heating reaction furnace |
| CN108358181A (en) * | 2018-02-09 | 2018-08-03 | 南京工业大学 | A kind of the evolving hydrogen reaction elctro-catalyst and preparation method and application of phosphide |
| CN111365994A (en) * | 2020-03-31 | 2020-07-03 | 华北水利水电大学 | Novel tube furnace |
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2021
- 2021-07-15 CN CN202110800847.8A patent/CN113668009A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204115488U (en) * | 2014-08-30 | 2015-01-21 | 泰州市贝斯特钼制品有限公司 | Molybdenum powder is automatic displacement device in heating reaction furnace gradually |
| CN105466219A (en) * | 2014-08-30 | 2016-04-06 | 泰州市贝斯特钼制品有限公司 | Automatic displacement device in molybdenum powder heating reaction furnace |
| CN108358181A (en) * | 2018-02-09 | 2018-08-03 | 南京工业大学 | A kind of the evolving hydrogen reaction elctro-catalyst and preparation method and application of phosphide |
| CN111365994A (en) * | 2020-03-31 | 2020-07-03 | 华北水利水电大学 | Novel tube furnace |
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Application publication date: 20211119 |