CN113061918A - Hydrogen-electricity integrated device for continuous hydrogen production and application thereof - Google Patents
Hydrogen-electricity integrated device for continuous hydrogen production and application thereof Download PDFInfo
- Publication number
- CN113061918A CN113061918A CN202110316087.3A CN202110316087A CN113061918A CN 113061918 A CN113061918 A CN 113061918A CN 202110316087 A CN202110316087 A CN 202110316087A CN 113061918 A CN113061918 A CN 113061918A
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- continuously producing
- integrated device
- electricity integrated
- electrolyte
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
-
- 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
- C25B1/18—Alkaline earth metal compounds or magnesium compounds
- C25B1/20—Hydroxides
-
- 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
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
-
- 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
-
- 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
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
-
- 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
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0656—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
-
- 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 relates to the field of hydrogen production devices, in particular to a hydrogen-electricity integrated device for continuously producing hydrogen, which comprises an anode, a cathode and electrolyte, wherein the anode is a continuous feeding metal material; the cathode is a hydrogen evolution catalyst; the electrolyte is an aqueous solution containing sodium chloride; the anode, the cathode and the electrolyte participate in the reaction, the product of the reaction is magnesium hydroxide, the magnesium hydroxide is filtered by a filtering or settling device, and the filtered or settled electrolyte is recycled and re-injected to participate in the reaction; the invention provides a hydrogen-electricity integrated device for continuously producing hydrogen, which keeps the stability of hydrogen production and power generation performance, can realize continuous hydrogen production and power generation, does not need to be stopped midway, and effectively saves manpower and production cost; the invention also provides the application of the hydrogen-electricity integrated device for continuously producing hydrogen, which not only can generate electricity, but also can prepare high value-added products of hydrogen and nano-scale magnesium hydroxide, thereby realizing the effective utilization of energy.
Description
Technical Field
The invention relates to the field of hydrogen production devices, in particular to a hydrogen-electricity integrated device for continuously producing hydrogen and application thereof.
Background
The metal-water battery replaces the cathode oxygen reduction reaction of the traditional metal-dissolved oxygen battery with the water reduction hydrogen evolution reaction, not only can generate electricity, but also can effectively prepare hydrogen, and realizes hydrogen-electricity integration. Scientists successively invent a lithium-water hydrogen production battery, a zinc-water hydrogen production battery and an aluminum-water hydrogen production battery. However, the current hydrogen production system of the battery has the problems of high cost and low safety, for example, the Li-water hydrogen production battery has the problems of high cost and safety due to the adoption of an organic solvent, the zinc-water hydrogen production battery has lower voltage, the bipolar membrane required by the zinc-water hydrogen production battery is high in price, and the like. Among the active metals, magnesium has the advantages of high electrode potential, light weight, good physical and chemical properties and low processing cost, and has been applied to anode materials of metal-dissolved oxygen seawater batteries. Therefore, the magnesium is used as the anode, and the magnesium water-water hydrogen production battery has the advantages of low cost, environmental friendliness and high energy utilization efficiency.
However, the existing metal-water battery device mainly adopts intermittent power generation to produce hydrogen, and in practical application, the device needs to be stopped for replacement after reaction raw materials are exhausted, so that the requirement of practical application cannot be met. Therefore, a metal-water hydrogen production battery device capable of continuously producing hydrogen needs to be designed and prepared, so that the aim of sustainable hydrogen production and power generation is fulfilled.
Disclosure of Invention
In order to solve the technical problems, the invention provides the hydrogen-electricity integrated device for continuously producing hydrogen, which keeps the stability of hydrogen production and power generation performance, can realize continuous hydrogen production and power generation, does not need to be stopped midway, and effectively saves labor and production cost.
The invention also provides the application of the hydrogen-electricity integrated device for continuously producing hydrogen, which not only can generate electricity, but also can prepare high value-added products of hydrogen and nano-scale magnesium hydroxide, thereby realizing the effective utilization of energy.
The invention adopts the following technical scheme:
a hydrogen-electricity integrated device for continuously producing hydrogen comprises an anode, a cathode and electrolyte, wherein the anode is a continuously fed metal material; the cathode is a hydrogen evolution catalyst; the electrolyte is an aqueous solution containing sodium chloride; the anode, the cathode and the electrolyte participate in the reaction, the reaction product is magnesium hydroxide, the magnesium hydroxide is filtered by a filtering or settling device, and the filtered or settled electrolyte is recycled and re-injected to participate in the reaction.
The technical scheme is further improved in that the continuous feeding metal material is one of a magnesium-containing metal plate or a magnesium-containing metal foil.
The technical scheme is further improved in that the feeding rate v of the continuous feeding metal material is 0.45 alphaI/rho hk (centimeter per hour), wherein the current of the magnesium-water hydrogen production battery is I (A), the thickness of the continuous feeding metal material is h (centimeter), the width of the continuous feeding metal material is k (centimeter), and the density is rho (1.7 g/centimeter)3) The self-etching correction coefficient is α.
The technical scheme is further improved in that the self-corrosion correction coefficient alpha is 1.1-2.
The technical proposal is further improved in that the feeding speed of the continuous feeding metal material is controlled by a stepping motor.
The technical proposal is further improved in that the hydrogen evolution catalyst is at least one of platinum, platinum carbon, nickel-based catalyst and molybdenum sulfide-based catalyst.
The technical proposal is further improved in that the electrolyte is one of seawater or neutral to weakly alkaline aqueous solution containing sodium chloride.
The technical scheme is further improved in that the concentration of sodium chloride in the electrolyte is 0.5-3 mol/L, and the pH range is 6-12.
The technical proposal is further improved in that NH is added into the electrolyte4Cl，NH4The concentration of Cl is 0.01-0.2 mol/L.
The technical scheme is further improved in that the hydrogen-electricity integrated device for continuously producing hydrogen can adjust the hydrogen production speed and the power generation power through an external load or an electric storage device so as to meet the requirements of different application scenes.
The application of the hydrogen-electricity integrated device for continuously producing hydrogen is to apply the hydrogen-electricity integrated device for continuously producing hydrogen to a metal-water hydrogen production battery.
The invention has the beneficial effects that:
on the first hand, magnesium hydroxide which is a magnesium anode reaction product in the magnesium-water system is gradually settled along with the reaction and is the only solid substance in the electrolyte, the electrolyte can be separated out and recycled through a filtering or settling mode, and meanwhile, the electrolyte is replenished in real time, so that the fluctuation of the components of the electrolyte is reduced, and the stability of the hydrogen production and power generation performance is maintained; in the second aspect, continuous hydrogen production and power generation can be realized by continuously providing the magnesium anode without stopping the generator midway, so that manpower and production cost are effectively saved; and in the third aspect, compared with the existing magnesium-oxygen battery system, the power generation can be realized, and high value-added products of hydrogen and nano-scale magnesium hydroxide can be prepared, so that the effective utilization of energy is realized.
Drawings
FIG. 1 is a schematic diagram of a hydrogen-electricity integrated device for continuous hydrogen production according to the present invention;
FIG. 2 is a graph showing the hydrogen production rate of the hydrogen-electricity integrated device for continuously producing hydrogen according to the present invention as a function of time.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
A hydrogen-electricity integrated device for continuously producing hydrogen comprises an anode, a cathode and electrolyte, wherein the anode is a continuously fed metal material; the cathode is a hydrogen evolution catalyst; the electrolyte is an aqueous solution containing sodium chloride; the anode, the cathode and the electrolyte participate in the reaction, the reaction product is magnesium hydroxide, the magnesium hydroxide is filtered by a filtering or settling device, and the filtered or settled electrolyte is recycled and re-injected to participate in the reaction.
The continuous feeding metal material is one of a magnesium-containing metal plate or a magnesium-containing metal foil.
The feeding speed v of the continuous feeding metal material is 0.45 alpha I/rho hk (centimeter per hour), wherein the current of the magnesium-water hydrogen production battery is I (A), the thickness of the continuous feeding metal material is h (centimeter), the width of the continuous feeding metal material is k (centimeter), and the density is rho (1.7 g/centimeter)3) The self-corrosion correction coefficient is alpha; the self-corrosion correction coefficient alpha is 1.1-2.
The feed rate of the continuously fed metal material is related to the current of the hydrogen-producing cell, and the theoretical feed rate (cm/hr) of the magnesium-containing metal sheet or magnesium-containing metal foil is:
v＝I x 3600/F/2x 24.3/ρ/h/k
＝0.45I/ρhk
wherein the continuous feed metal material has a thickness of h (cm), a width of k (cm), and a density of ρ (-1.7 g/cm)3) The magnesium-water hydrogen production battery has the current I (A) and the Faraday constant F (96485 coulomb/mol)
Further, because magnesium has a self-corrosion phenomenon, in actual operation, the feeding rate needs to be multiplied by a correction coefficient alpha (1.1-2) according to the self-corrosion actual condition of the continuous feeding metal material, namely the actual feeding rate is as follows:
v＝0.45αI/ρhk
the feeding rate of the continuous feeding metal material is controlled by a stepping motor, and the continuous hydrogen production power generation is realized by feeding at the rate.
The hydrogen evolution catalyst is at least one of platinum, platinum carbon, nickel-based catalyst and molybdenum sulfide-based catalyst.
The electrolyte is one of seawater or neutral to weakly alkaline aqueous solution containing sodium chloride.
The concentration of sodium chloride in the electrolyte is 0.5-3 mol/L, and the pH range is 6-12.
The hydrogen-electricity integrated device for continuously producing hydrogen can adjust the hydrogen production speed and the power generation power by externally connecting a load or an electric storage device so as to meet the requirements of different application scenes.
The application of the hydrogen-electricity integrated device for continuously producing hydrogen is to apply the hydrogen-electricity integrated device for continuously producing hydrogen to a metal-water hydrogen production battery.
Fig. 1 is a schematic diagram of a hydrogen-electricity integrated device for continuously producing hydrogen, which comprises a magnesium metal material plate/foil continuous feeding anode, a hydrogen evolution cathode, a sodium chloride-based electrolyte supply system, a reaction liquid filtering, settling and recovering system, an electric energy storage and current regulation system, and a hydrogen gas collection and storage cabin. As a hydrogen production device, sodium chloride-based electrolyte is injected into an electrolytic cell, and after a circuit is switched on, the continuous supply of electric energy can be started, and hydrogen and nano-scale magnesium hydroxide are simultaneously prepared.
Example 1
Using AZ31B magnesium alloy plate as anode, carbon cloth loaded Pt/C as hydrogen evolution cathode, 1mol/L NaCl +0.02mol/L NH4Cl solution as electrolyte, 15mA/cm2The current discharge of (3) produces hydrogen. During the long-time discharge hydrogen production process, the hydrogen production rate of the cell is shown in fig. 2, and no obvious change in the hydrogen production rate can be seen.
Example 2
An AZ31B magnesium alloy plate is used as an anode, a carbon cloth loaded Pt/C is used as a hydrogen evolution cathode, 1mol/L NaCl solution is used as electrolyte, and 20mA/cm is used2The current discharge of (3) produces hydrogen. The thickness of the AZ31B magnesium alloy plate is 0.1 cm, the width is 10 cm, the feeding rate of the magnesium alloy plate is 0.066 cm/h (the correction coefficient alpha is 1.25), and continuous hydrogen production and power generation can be realized.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A hydrogen-electricity integrated device for continuously producing hydrogen comprises an anode, a cathode and electrolyte, and is characterized in that the anode is a continuous feeding metal material; the cathode is a hydrogen evolution catalyst; the electrolyte is an aqueous solution containing sodium chloride; the anode, the cathode and the electrolyte participate in the reaction, the reaction product is magnesium hydroxide, the magnesium hydroxide is filtered by a filtering or settling device, and the filtered or settled electrolyte is recycled and re-injected to participate in the reaction.
2. A hydrogen-electricity integrated apparatus for continuously producing hydrogen according to claim 1, characterized in that the continuously fed metal material is one of a magnesium-containing metal plate or a magnesium-containing metal foil.
3. The hydrogen-electricity integrated device for continuously producing hydrogen according to claim 2, wherein the feeding rate v of the continuously fed metal material is 0.45 α I/ρ hk (cm/h), the current of the magnesium-water hydrogen production battery is I (a), the thickness of the continuously fed metal material is h (cm), the width of the continuously fed metal material is k (cm), and the density is ρ (1.7 g/cm)3) The self-etching correction coefficient is α.
4. The hydrogen-electricity integrated device for continuously producing hydrogen according to claim 3, wherein the self-corrosion correction coefficient α is 1.1-2.
5. A hydrogen-electricity integrated apparatus for continuously producing hydrogen according to claim 1, characterized in that the feeding rate of the continuously fed metal material is controlled by a stepping motor.
6. The hydrogen-electricity integrated device for continuously producing hydrogen according to claim 1, wherein the hydrogen evolution catalyst is at least one of platinum, platinum-carbon, nickel-based catalyst and molybdenum sulfide-based catalyst.
7. A hydrogen-electricity integrated apparatus for continuously producing hydrogen according to claim 1, characterized in that the electrolyte is one of seawater or a neutral to weakly alkaline aqueous solution containing sodium chloride.
8. A hydrogen-electricity integrated device for continuously producing hydrogen according to claim 7, wherein the concentration of sodium chloride in the electrolyte is 0.5-3 mol/L, and the pH range is 6-12.
9. The hydrogen-electricity integrated device for continuously producing hydrogen according to claim 1, wherein the hydrogen-electricity integrated device for continuously producing hydrogen can adjust hydrogen production speed and power generation power by externally connecting a load or an electric storage device, so as to meet the requirements of different application scenarios.
10. The application of the hydrogen-electricity integrated device for continuously producing hydrogen is characterized in that the hydrogen-electricity integrated device for continuously producing hydrogen according to any one of claims 1 to 9 is used in a metal-water hydrogen production battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110316087.3A CN113061918B (en) | 2021-03-24 | 2021-03-24 | Hydrogen-electricity integrated device for continuous hydrogen production and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110316087.3A CN113061918B (en) | 2021-03-24 | 2021-03-24 | Hydrogen-electricity integrated device for continuous hydrogen production and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113061918A true CN113061918A (en) | 2021-07-02 |
| CN113061918B CN113061918B (en) | 2022-07-26 |
Family
ID=76562136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110316087.3A Active CN113061918B (en) | 2021-03-24 | 2021-03-24 | Hydrogen-electricity integrated device for continuous hydrogen production and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113061918B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114381751A (en) * | 2021-12-24 | 2022-04-22 | 世能氢电科技有限公司 | Low-energy-consumption continuous separation Mg-H2Method for preparing O battery electrolyte |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280714A (en) * | 1997-10-06 | 2001-01-17 | 里维奥公司 | Metal-air fuel cell battery systems employing moving anode and cathode structures |
| CN103979488A (en) * | 2013-02-07 | 2014-08-13 | 北京华泰天成科技发展有限公司 | Technology using magnesium metal for continuous hydrogen and magnesium hydroxide production |
| CN106882824A (en) * | 2015-12-16 | 2017-06-23 | 中国科学院大连化学物理研究所 | A kind of nano-sized magnesium hydroxide preparation method and nano-sized magnesium hydroxide |
| CN107112512A (en) * | 2014-11-13 | 2017-08-29 | 巴斯夫公司 | Electrolyte and metal hydride battery |
| CN110603670A (en) * | 2017-12-14 | 2019-12-20 | 株式会社Lg化学 | Method for continuously manufacturing lithium secondary battery having passivation film formed on surface of lithium metal electrode and lithium secondary battery manufactured thereby |
| CN111584980A (en) * | 2020-05-27 | 2020-08-25 | 中国科学院重庆绿色智能技术研究院 | Method for recycling phosphorus resources and electric energy in urine based on magnesium air fuel cell |
| CN112501640A (en) * | 2020-12-10 | 2021-03-16 | 东莞理工学院 | Battery system for converting nitrate wastewater into ammonia |
-
2021
- 2021-03-24 CN CN202110316087.3A patent/CN113061918B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280714A (en) * | 1997-10-06 | 2001-01-17 | 里维奥公司 | Metal-air fuel cell battery systems employing moving anode and cathode structures |
| CN103979488A (en) * | 2013-02-07 | 2014-08-13 | 北京华泰天成科技发展有限公司 | Technology using magnesium metal for continuous hydrogen and magnesium hydroxide production |
| CN107112512A (en) * | 2014-11-13 | 2017-08-29 | 巴斯夫公司 | Electrolyte and metal hydride battery |
| CN106882824A (en) * | 2015-12-16 | 2017-06-23 | 中国科学院大连化学物理研究所 | A kind of nano-sized magnesium hydroxide preparation method and nano-sized magnesium hydroxide |
| CN110603670A (en) * | 2017-12-14 | 2019-12-20 | 株式会社Lg化学 | Method for continuously manufacturing lithium secondary battery having passivation film formed on surface of lithium metal electrode and lithium secondary battery manufactured thereby |
| CN111584980A (en) * | 2020-05-27 | 2020-08-25 | 中国科学院重庆绿色智能技术研究院 | Method for recycling phosphorus resources and electric energy in urine based on magnesium air fuel cell |
| CN112501640A (en) * | 2020-12-10 | 2021-03-16 | 东莞理工学院 | Battery system for converting nitrate wastewater into ammonia |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114381751A (en) * | 2021-12-24 | 2022-04-22 | 世能氢电科技有限公司 | Low-energy-consumption continuous separation Mg-H2Method for preparing O battery electrolyte |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113061918B (en) | 2022-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1102073C (en) | Electrochemical methods for recovery of ascorbic acid | |
| CN109321936B (en) | Device and method for producing hydrogen by electrolyzing water step by step based on liquid flow redox medium | |
| CN104846397A (en) | Electrode for electrochemical reduction of CO2 and preparation of formic acid and preparation method and application thereof | |
| JPS6122036B2 (en) | ||
| KR101829311B1 (en) | Environment-friendly Energy Storage System for Frequency Regulation | |
| JP7325082B2 (en) | Carbon dioxide reduction device and carbon dioxide reduction method | |
| JP2016520982A (en) | Cathode operable in electrochemical reaction, and associated cell, apparatus, and method | |
| JP6788378B2 (en) | Water electrolysis cell and multi-pole water electrolysis tank | |
| CN112695339B (en) | Hydrogen evolution catalytic electrode, preparation method and application thereof | |
| CN113061918B (en) | Hydrogen-electricity integrated device for continuous hydrogen production and application thereof | |
| CN114293201A (en) | Preparation method of nickel-iron catalyst for hydrogen production by water electrolysis | |
| GB2595822A (en) | Hydrogen based renewable energy storage system | |
| Katoh et al. | Polymer electrolyte-type electrochemical ozone generator with an oxygen cathode | |
| CN108722437A (en) | The preparation method and ferronickel composite catalyst of ferronickel composite catalyst | |
| CN113078331A (en) | Electrolyte of hydrogen battery and application thereof | |
| CN213570766U (en) | Water decomposition hydrogen production device based on lead net | |
| CN1065005C (en) | Process of electrochemical oxygen generation by cathode and its oxygen generating box | |
| CN114402095B (en) | Cross-flow water electrolysis | |
| CN114059086A (en) | Device and method for two-step electrolytic hydrogen production based on acidic electrolyte | |
| CN1249361A (en) | Apparatus and method for electrochemically producing oxygen with air cathode | |
| EP2446494A1 (en) | Supported catalysts | |
| CN113067059A (en) | Preparation method of electrolyte for magnesium air battery | |
| JP3921300B2 (en) | Hydrogen generator | |
| CN112251765B (en) | Water-splitting hydrogen production device based on lead net and preparation method and use method thereof | |
| RU2303841C1 (en) | Storage battery and its operating process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |