CN218059236U - Production device for producing hydrogen peroxide and hydrogen by high-efficiency electro-catalysis - Google Patents
Production device for producing hydrogen peroxide and hydrogen by high-efficiency electro-catalysis Download PDFInfo
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- CN218059236U CN218059236U CN202222124386.XU CN202222124386U CN218059236U CN 218059236 U CN218059236 U CN 218059236U CN 202222124386 U CN202222124386 U CN 202222124386U CN 218059236 U CN218059236 U CN 218059236U
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- hydrogen
- hydrogen peroxide
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 25
- 239000001257 hydrogen Substances 0.000 title claims abstract description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 11
- 239000007772 electrode material Substances 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 13
- 230000002572 peristaltic effect Effects 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 239000010405 anode material Substances 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000010406 cathode material Substances 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000003014 ion exchange membrane Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003575 carbonaceous material Substances 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 description 8
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011736 potassium bicarbonate Substances 0.000 description 3
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 3
- 235000015497 potassium bicarbonate Nutrition 0.000 description 3
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
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Classifications
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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
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses a apparatus for producing for high-efficient electro-catalysis production hydrogen peroxide solution and hydrogen belongs to the fuel cell field. The hydrogen-hydrogen peroxide fuel cell stack comprises a stack module and a cathode and anode storage tank which are integrally arranged, wherein the stack module is formed by connecting an end plate, an insulating plate, a current collector, an electrode material, an electrode plate and the like, and can simultaneously generate two important chemical raw materials of hydrogen and hydrogen peroxide. The utility model discloses a galvanic pile structure and process flow have improved the stability and the output performance of galvanic pile to reduce fuel cell life-span decay rate by a wide margin.
Description
Technical Field
The utility model relates to a fuel cell field specifically is a apparatus for producing for high-efficient electro-catalysis production hydrogen peroxide and hydrogen.
Background
Electrochemical production of hydrogen peroxide (H) 2 O 2 ) Is an economic and effective method to replace the traditional complex and energy-intensive anthraquinone oxidation method to produce hydrogen peroxide. The hydrogen peroxide products produced by electrocatalysis at present are mostly under alkaline conditions, but the hydrogen peroxide products produce H by a double electron Water Oxidation Reaction (WOR) way 2 O 2 Under the acidic condition, the method has higher economic benefit, the hydrogen peroxide is more stable, and the cathode can also generate another important chemical resource hydrogen. By the principle of (WOR) electrocatalytic reaction, a production device for efficiently producing hydrogen peroxide and hydrogen by electrocatalysis is designed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem existing in the prior art, the utility model provides a production device for high-efficient electro-catalysis production hydrogen peroxide and hydrogen solves among the prior art that electro-catalysis production hydrogen peroxide product is in the unstable problem of alkaline condition more.
The utility model adopts the technical scheme as follows:
a production device for producing hydrogen peroxide and hydrogen by high-efficiency electro-catalysis comprises a mass transfer module, a cathode circulating system module, an anode circulating system module and a galvanic pile module; the electromagnetic valve, the peristaltic pump and the air in the mass transfer module are contained in the cathode and anode circulating system modules; the cathode circulation system modules are connected by the following sequence: air, an electromagnetic valve, a galvanic pile, a cathode tank, a peristaltic pump and a liquid storage barrel; the anode circulation system modules are connected by the following sequence: the device comprises a liquid storage barrel, a peristaltic pump, a galvanic pile, an anode tank and a sample recovery box; the electric pile module is connected by a cathode end plate, a cathode insulating plate, a cathode current collector, a cathode plate, a cathode material, an ion exchange membrane, an anode plate, an anode material, an anode current collector, an anode insulating plate, an anode end plate and a sealing washer, a limiting rod and a bolt assembly which are used in the middle to seal the electric pile structure; the cathode and anode end plate is correspondingly provided with a plurality of limiting holes, the limiting holes are at least distributed on the adjacent long edges and narrow edges of the cathode and anode end plate, and the number of each edge is at least two.
A plurality of limiting grooves corresponding to the limiting holes are arranged on the cathode and anode current collectors, the cathode and anode plates and the membrane electrode assembly; the limiting rod is matched with the limiting hole and the limiting groove to realize electric pile assembling and positioning, and the bolt assembly compresses the assembled electric pile.
A gas inlet, a gas outlet, an electrolyte inlet and an electrolyte outlet are correspondingly arranged at the cathode and anode end plates; the cathode plate, the cathode and anode current collectors, the anode plate, the cathode and anode insulating plate and the gas inlet on the anode end plate are communicated with each other, and are provided with corresponding flow channels for controlling the flow direction of gas and liquid.
The production device for producing the acidic hydrogen peroxide by electrocatalysis is mainly based on the following electrode reactions: cathode 2H + +2e － →H 2 Anode: 2H 2 O→H 2 O 2 +2e － +2H + And (3) total reaction: 2H 2 O→H 2 O 2 +H 2 。
The production device for producing the acidic hydrogen peroxide by the electro-catalysis comprises a circulation module, wherein the circulation module comprises a liquid storage barrel, a cathode tank, an anode tank, a peristaltic pump, a gear pump, an electromagnetic valve, a liquid level sensor and a sample recovery box. And moist air is introduced into the cathode of the pile for recycling, hydrogen is continuously taken out, and deionized water solution is introduced into the anode.
According to the production device for producing acidic hydrogen peroxide by electrocatalysis, the cathode material of the production device uses a catalyst of the two-electron oxidation water with higher activity, which is mainly a metal oxide or other catalysts modified on the surface of a carbon material. The anode material may be an electrode material such as titanium mesh. The electrolyte comprises organic solvents such as potassium bicarbonate, sodium carbonate, sodium sulfite or acetonitrile.
Has the advantages that: the utility model discloses a production device passes through anode circulation system and stablizes continuous letting in electrolyte to the pile, under anode material selectivity catalysis, obtain the hydrogen peroxide production product that PH is less than 2 successfully, and collect at the sample collection box through circulation system, through under cathode circulation system's effect, moist air admission pile that can be continuous, thereby take out the accessory substance hydrogen that produces on the negative pole, get back to the cathode jar through cathode circulation system, thereby realize the enrichment of hydrogen in the cathode jar, can obtain the higher accessory substance hydrogen of purity. The acidic hydrogen peroxide synthesized by the device is more stable and has higher economic benefit.
Drawings
FIG. 1 is a schematic view of the production apparatus for producing acidic hydrogen peroxide by electrocatalysis;
FIG. 2 is a schematic diagram of a galvanic pile structure in the production device for producing acidic hydrogen peroxide by electrocatalysis;
FIG. 3 is a schematic view of the cathode and anode plates in the production apparatus for producing acidic hydrogen peroxide by electrocatalysis;
in the figure: 1-air; 2, an electromagnetic valve; 3, a liquid storage barrel; 4, electric pile; 5-cathode pot; 6-peristaltic pump; 7-anode pot; 8, a sample recovery box; 9-cathode end plate; 10-cathode insulating board; 11-cathode current collector; 12-a cathode plate; 13-a cathode material; 14-ion exchange membrane; 15-anode material; 16-an anode plate; 17-anode current collector; 18-anode insulating board; 19-anode end plate; 20-a limiting rod; 21-a limiting hole; 22-a sealing gasket; 23-limiting groove.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the utility model discloses a production device for high-efficient electro-catalysis production of hydrogen peroxide and hydrogen, which comprises a mass transfer module, a cathode circulation system module, an anode circulation system module and a galvanic pile module; the electromagnetic valve 2, the peristaltic pump 6, the air 1 and the liquid storage barrel 3 in the mass transfer module are contained in the cathode and anode circulating system module; the cathode circulation system modules are connected by the following sequence: air 1, an electromagnetic valve 2, a galvanic pile 4, a cathode tank 5, a peristaltic pump 6 and a liquid storage barrel 3; the anode circulation system modules are connected by the following sequence: the device comprises a liquid storage barrel 3, a peristaltic pump 6, a galvanic pile 4, an anode tank 7 and a sample recycling box 8. As shown in fig. 2-3, the stack modules are connected in the following order, namely a cathode end plate 9, a cathode insulating plate 10, a cathode current collector 11, a cathode plate 12, a cathode material 13, an ion exchange membrane 14, an anode plate 16, an anode material 15, an anode current collector 17, an anode insulating plate 18, an anode end plate 19, and a seal gasket 22, a limiting rod 20 and a bolt assembly are used in the middle to seal the stack structure; the corresponding a plurality of spacing holes 21 that are equipped with on the negative and positive pole end plate, spacing hole 21 distributes at least on the adjacent long limit and the narrow limit of negative and positive pole end plate, and the quantity on every limit is two at least. A plurality of limiting grooves 23 corresponding to the limiting holes are arranged on the cathode and anode current collectors, the cathode and anode plates and the membrane electrode assembly; the limiting rod 20 is matched with the limiting hole 21 and the limiting groove 23 to achieve electric pile assembling and positioning, and the bolt assembly compresses the assembled electric pile.
Example 1: the galvanic pile test produces hydrogen peroxide and hydrogen.
Carbon black and PTEF carbon fiber materials and titanium meshes are respectively used as a cathode material and an anode material of the electric pile, wet air and deionized water solution are introduced into the cathode, and the deionized water solution and potassium bicarbonate solution are used as the anode.
The battery operation conditions are as follows: the operation pressure of the cathode gas and the anode gas is 0.1MPa; the cathode and anode electrolyte is a potassium bicarbonate solution, and the electrolyte is circularly introduced into the cathode and anode chamber at the flow rate of 10mL/min by adopting a peristaltic pump; the air compressor compresses the air in the cathode tank to enter the cathode, and the generated hydrogen circulates to enter the cathode tank; the hydrogen peroxide generated by the anode can remove redundant bicarbonate radicals from the calcium hydroxide; the cell operating temperature was room temperature; .
The generation amount of hydrogen peroxide under different electrolysis conditions is measured by a direct titration method by using a 0.04mol/L potassium permanganate solution, and the specific reaction principle is as follows: 2KMnO 4 +3H 2 SO 4 +5H 2 O 2 →K 2 SO 4 +2MnSO 4 +5O 2 +8H 2 O。
The water introduced into the anode is oxidized to generate a product H 2 O 2 Product H 2 O 2 Discharged through an anode outlet on a cathode end plate and collected to detect H 2 O 2 The concentration of hydrogen peroxide in the solution is 1mol/L. H + Reaching the cathode through the proton exchange membrane to generate hydrogen, collecting the hydrogen at the exhaust port, and detecting the concentration of the hydrogen in the hydrogen-air mixed gasThe ratio is 1:5.
Claims (5)
1. the utility model provides a apparatus for producing for high-efficient electro-catalysis production hydrogen and hydrogen peroxide, its characterized in that: the device comprises a mass transfer module, a cathode circulating system module, an anode circulating system module and a galvanic pile module; the electromagnetic valve, the peristaltic pump and the air in the mass transfer module are contained in the cathode and anode circulating system modules; the cathode circulation system modules are connected in the following order: air, an electromagnetic valve, a galvanic pile, a cathode tank, a peristaltic pump and a liquid storage barrel; the anode circulation system modules are connected by the following sequence: the device comprises a liquid storage barrel, a peristaltic pump, a galvanic pile, an anode tank and a sample recovery box; the electric pile module is connected by a cathode end plate, a cathode insulating plate, a cathode current collector, a cathode plate, a cathode material, an ion exchange membrane, an anode plate, an anode material, an anode current collector, an anode insulating plate, an anode end plate and a sealing washer, a limiting rod and a bolt assembly which are used in the middle to seal the electric pile structure; the corresponding a plurality of spacing holes that are equipped with on the negative and positive pole end plate, spacing hole distributes at least on the adjacent long limit and the narrow limit of negative and positive pole end plate, and the quantity on every limit is two at least.
2. The apparatus for the efficient electrocatalytic production of hydrogen peroxide and hydrogen as set forth in claim 1, wherein: a plurality of limiting grooves corresponding to the limiting holes are arranged on the cathode and anode current collectors, the cathode and anode plates and the membrane electrode assembly; the limiting rod is matched with the limiting hole and the limiting groove to achieve electric pile assembling and positioning, and the bolt assembly compresses the assembled electric pile.
3. The apparatus for the efficient electrocatalytic production of hydrogen peroxide and hydrogen as set forth in claim 1, wherein: a gas inlet, a gas outlet, an electrolyte inlet and an electrolyte outlet are correspondingly arranged at the cathode and anode end plates; the gas inlets on the cathode plate, the cathode-anode current collector, the anode plate, the cathode-anode insulating plate and the anode end plate are communicated with each other, and the gas-liquid flow direction flow control device is provided with a flow channel for correspondingly controlling the flow direction of gas and liquid.
4. The apparatus for the efficient electrocatalytic production of hydrogen peroxide and hydrogen as set forth in claim 1, wherein: the cathode material uses a catalyst of the two-electron oxidation water with higher activity, which is a metal oxide or a catalyst modified on the surface of a carbon material; the anode material used was a titanium mesh electrode material.
5. The apparatus for the efficient electrocatalytic production of hydrogen peroxide and hydrogen as set forth in claim 1, wherein: and moist air is introduced into the cathode of the galvanic pile for recycling, hydrogen is continuously taken out, and deionized water solution is introduced into the anode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222124386.XU CN218059236U (en) | 2022-08-12 | 2022-08-12 | Production device for producing hydrogen peroxide and hydrogen by high-efficiency electro-catalysis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222124386.XU CN218059236U (en) | 2022-08-12 | 2022-08-12 | Production device for producing hydrogen peroxide and hydrogen by high-efficiency electro-catalysis |
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| CN218059236U true CN218059236U (en) | 2022-12-16 |
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| CN202222124386.XU Active CN218059236U (en) | 2022-08-12 | 2022-08-12 | Production device for producing hydrogen peroxide and hydrogen by high-efficiency electro-catalysis |
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- 2022-08-12 CN CN202222124386.XU patent/CN218059236U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240218 Address after: No. 555 Changjiang Road, Baoshan District, Shanghai, 200436 Patentee after: Shanghai orange oxygen Technology Co.,Ltd. Country or region after: China Patentee after: Shaoxing orange oxygen Technology Co.,Ltd. Address before: No. 555, Changjiang Road, Baoshan District, Shanghai, 201900 Patentee before: Shanghai orange oxygen Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |