WO2023139602A1 - An oxygen maker with variable capacity using electro-catalyst and a process thereof - Google Patents

An oxygen maker with variable capacity using electro-catalyst and a process thereof Download PDF

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Publication number
WO2023139602A1
WO2023139602A1 PCT/IN2023/050051 IN2023050051W WO2023139602A1 WO 2023139602 A1 WO2023139602 A1 WO 2023139602A1 IN 2023050051 W IN2023050051 W IN 2023050051W WO 2023139602 A1 WO2023139602 A1 WO 2023139602A1
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Prior art keywords
oxygen
catalyst
shaped container
circular cap
pump system
Prior art date
Application number
PCT/IN2023/050051
Other languages
French (fr)
Inventor
Pei LIANG
Susmita Dhar
Francis Verpoort
Soumyajit Roy
Original Assignee
Solaire Initiative Private Limited
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Publication date
Application filed by Solaire Initiative Private Limited filed Critical Solaire Initiative Private Limited
Priority to CN202380008064.3A priority Critical patent/CN117693610A/en
Publication of WO2023139602A1 publication Critical patent/WO2023139602A1/en

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Classifications

    • 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
    • C25B1/50—Processes
    • 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
    • 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
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • 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

Definitions

  • the present invention generally relates to an oxygen maker with variable capacity using an electro-catalyst. More particularly, the present invention relates to a process of generation of oxygen with variable capacity using redox reaction operating by Pneumatically coupled Oxidation of Water by Electrocatalytic reaction. The invention further relates to the fabrication of an oxygen maker with a pump system that enables to generate of oxygen with flexible capacity using a stable catalyst packet in a cost-effective manner.
  • Oxygen remains an essential treatment for severe patients in hospitals. The need for oxygen is critical to COVID positive patients, POPD patients, sleep apnea patients and for wellness in general as well. If the patient feels breathless, and no oxygen facilities are available, he can easily turn to pneumonia with fluid and infection in the lungs, and even end with death.
  • the classic challenge of chemically generated oxygen is that the oxygen produced by electrolysis of water using NaOH is very less.
  • the oxygen was generally produced from a Potassium super-oxide/Sodium chlorate iron mixture, catalytically decomposing oxygen-rich compounds or electrolyzing water. , Improving the oxygen production effectively to fill the huge medical oxygen demand is the current challenge to face for scientists and engineers.
  • the inventors broke the classic window and designed an innovative technical method to make oxygen in a cost-effective manner to meet the huge demand for oxygen in COVID positive patients, POPD patients, sleep apnea patients and for wellness in general, which could help in reducing the Oxygen Shortage faced nationwide and worldwide if any pandemic arises like CO VID 19 and consequently the need for oxygen in future.
  • An object of the present invention is to provide the oxygen maker with variable capacity using aqueous salts as a catalyst and to the process thereof.
  • a further object of the present invention is to significantly increase oxygen generation through the pump system attached to the U-shaped container.
  • a further object of the present invention is to provide a sustainable and portable oxygen maker that can continuously produce high purity breathable oxygen at a desired rate.
  • Another object of the present invention is to provide an oxygen maker that is easy to implement and cost-effective.
  • Another object of the present disclosure is to provide an oxygen maker that can deliver oxygen based on the requirement.
  • the present invention generally relates to an oxygen maker with variable capacity that uses redox reaction operating by Pneumatically coupled Oxidation of Water by Electrocatalytic reaction using an electro-catalyst.
  • the invention further relates to the fabrication of an oxygen maker with a pump system that enables to generate of oxygen with flexible capacity using a stable catalyst packet in a cost-effective manner.
  • the present invention primarily provides a process of generating oxygen with a variable capacity using an electro-catalyst.
  • the present invention provides oxygen maker for generating oxygen with a variable capacity using an electro-catalyst
  • the apparatus comprises: a housing includes a U-shaped container for storing the reaction mixture, wherein the said U-shaped container comprises a first circular cap configured to cover a first end and a second circular cap configured to cover a second end; a first exhaust outlet pipe connected to the first circular cap to deliver oxygen and a second exhaust outlet pipe connected to the second circular cap to release hydrogen; a pump system connected to the first exhaust outlet pipe and positioned adjacent to the first circular cap; a plurality of screws attached to a glass stick formed an anodic electrode, a cathodic electrode submerged into the aqueous solution, wherein the anodic electrode attached to the first circular cap and a cathodic electrode coupled to the second circular cap; an electric source arranged inside housing delivers electric current to the electrodes and the pump system.
  • the pump system is configured to enhance oxygen production by pumping out the produced oxygen from the U-shaped container.
  • the reaction mixture in the U-shaped container comprises water, sodium hydroxide, and mixture of transition metal salts as an electrocatalyst.
  • the U-shaped container allows easy replacement of the catalyst solution.
  • the electric source may be a rechargeable battery, provided along with a rectifier for conversion from AC to DC.
  • the aqueous salt solution contains mixture of transition metal salts as the electro-catalyst.
  • the U-shaped container is made of a material selected from a list comprising of any or a combination of Polyvinyl chloride, or polypropylene or High-Density Polyethylene (HDPE).
  • the housing is made of wooden material.
  • the method for producing oxygen with a variable capacity using an electro-catalyst comprises of following steps:
  • the U-shaped container is filled with the reaction mixture.
  • the electric source begins to supply electric current to the anodic electrode and cathodic electrode that are submerged into the mixture of water and catalyst.
  • the anodic electrode starts to generate oxygen and the cathodic electrodes help to generate hydrogen as the electric current supplied by the electric source.
  • the quantity of generated oxygen is enhanced through the pump system as per requirement and then pumped out through the first exhaust outlet pipe.
  • the oxygen-rich air is obtained through the first exhaust outlet pipe by pressing the switch on the housing.
  • the hydrogen from the cathodic electrode is then released into the air through the second exhaust outlet pipe.
  • the present invention also discloses a process for generating oxygen with variable capacity using redox reaction operating by Pneumatically coupled Oxidation of Water by Electrocatalytic reaction and using mixture of transition metal salts as an electro-catalyst in a cost and energy effective oxygen maker provided with the pump system (7) to enhance the oxygen generation and U-shaped container (2) for easy replacement of the said catalyst solution wherein the process in said oxygen maker results in higher production of oxygen.
  • FIG 1 illustrates an exemplary representation of an oxygen maker with variable capacity using an electro-catalyst, in accordance with an embodiment of the present invention.
  • FIG 2 illustrates an arrangement of an electric source with an AC-DC rectifier.
  • the term “plurality” refers to the presence of more than one of the referenced items, and the terms “a”, “an”, and “at least” do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item.
  • the present invention relates to a oxygen maker that uses redox reaction operating by Pneumatically coupled Oxidation of Water by Electrocatalytic reaction combined with a gas pump system of oxygen exhaust outlet and a rechargeable battery with a rectifier to refill easily from AC to DC.
  • oxygen generation can be enhanced tremendously and hydrogen can be almost ignored as a side product.
  • the design of the present invention is simple, cost-effective, can be implemented at home as well as is scalable.
  • the present invention further relates to the oxygen maker comprising for electrolyzing the water and generating Oxygen and Hydrogen.
  • the apparatus can comprise a U-shaped container for storing the mixture of water and catalyst solution.
  • the pump system is configured to enhance oxygen production by pumping out the produced oxygen from the U-shaped container.
  • the electrochemical reaction produces oxygen.
  • oxygen can be generated as a result.
  • FIG. 1 and Fig. 2 illustrate exemplary representations of an oxygen maker, in accordance with an embodiment of the present invention.
  • the apparatus 100 for generating oxygen with a variable capacity using an electro-catalyst comprises a U-shaped container 2 that is enclosed by the housing 1 for storing the reaction mixture can be made of any or a combination of Polyvinyl chloride (PVC), or polypropylene or High-Density Polyethylene (HDPE) which is capable of containing the reaction materials.
  • the housing 1 includes U-shaped container 2 and electric source 14.
  • the U-shaped container 2 comprises a first circular cap 5 configured to cover a first end 3 and a second circular cap 6 configured to cover a second end 4.
  • the reaction mixture contains water, base, and cobalt salts or a mixture of transition metal salts as an electrocatalyst.
  • the transition metal salts as electrocatalyst used in the present invention is selected from the group consisting of cobalt salts such as acetate or transition metal salts such as MO7O24 7 " , VO4 3 - , MnO " , CrO4 2 ' and water mixtures.
  • the first exhaust outlet pipe 12 is connected to the first circular cap 5 to deliver oxygen and a second exhaust outlet pipe 13 is connected to the second circular cap
  • the pump system 7 is connected to the first exhaust outlet pipe 12 and positioned adjacent to the first circular cap 5.
  • the plurality of screws 9 attached to a glass stick 8 formed an anodic electrode 10, and a cathodic electrode 11 and are submerged into the aqueous solution, wherein the anodic electrode 10 attached to the first circular cap 5 and a cathodic electrode 11 coupled to the second circular cap 6.
  • the 12 V rechargeable battery is used as an electric source 14, and is arranged inside housing 1 that delivers the electric current to the electrodes 10,11 and the pump system 7.
  • the electric source 14 can be refilled by an AC-to-DC rectifier 15. With the rechargeable battery, the oxygen maker can run for almost 4-
  • a rectifier 15 with a plug is connected to the electric source 14 as depicted in Fig 2.
  • the rectifier is a device used to convert AC current into DC current.
  • the Positive DC output is fed to the anodic electrode 10 inside the U-shape container 2 and Negative to the cathodic electrode 11.
  • the present process includes reactants, catalysts, and cocatalysts.
  • the reactant may be water.
  • the mixture of transition metal salts as electrocatalysts may be a mixture of cobalt salts and other transition metal salts.
  • the mixture of Cobalt Salts and Base as a catalyst is present in an amount ranging from 0.1 g - 150 g and other TM salts in the range of 0.1 g- 100 g.
  • the co-catalysts is base solution and 1-1000 g of persulfate.
  • the electrocatalysts are selected from cobalt salts and other TM salts mixtures, selected from Mo?O24 7 ', VC>4 3 ', MnCL", CrO4 2 '
  • the reaction contains water in the range of (0.1 L- 15L), sodium hydroxide in the range of (0.1 g - 1600g), and cobalt acetate in the range of (0.1 g- 200g) along with other transition metal catalysts as catalysts were added to a U-shaped container.
  • the 12 V battery begins to supply electric current to the electrodes inducing an away from equilibrium redox reaction in the solution.
  • the anodic electrode starts to generate oxygen initially in the range of 0.2_- 90 L/min.
  • the quantity of generated oxygen is controlled modularly through the pump system by approximately in the range of 0.1-70 L/min and then pumped out through the first exhaust outlet pipe.
  • the oxygen-rich air is obtained through the first exhaust outlet pipe by pressing the switch on the housing.
  • the hydrogen from the cathodic electrode is then released into the air through the second exhaust outlet pipe.
  • the generated oxygen purity was checked through an oxygen analyzer shows that the direct oxygen flow from the reaction around _325% w.r.t. that abundant in air we breathe in.
  • the present invention provides an oxygen maker that is rechargeable and can run for 4-7 hours without a current supply.
  • the present invention provides the pump system and catalyst that results in higher production of oxygen is scalable.
  • the present invention provides the device which is easy to recharge and the whole device is running on a cost and energy effective pattern.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

The present invention discloses a process of generation of oxygen with varying capacity using redox reaction operating by pneumatically coupled Oxidation of Water by Electrocatalytic reaction. The present invention discloses an oxygen maker with variable capacity using an electro-catalyst. The invention further relates to an oxygen maker with a pump system that enables to generate of oxygen with flexible capacity using a stable catalyst packet in a cost-effective manner. The apparatus for generating the oxygen comprises the housing which includes the U-shaped container and the electric source. The U-shaped container is provided for storing the reaction mixture and consists of a first circular cap configured to cover the first end and a second circular cap configured to cover the second end. The pump system is connected to the first exhaust outlet pipe that enhances oxygen generation.

Description

“AN OXYGEN MAKER WITH VARIABLE CAPACITY USING ELECTRO CATALYST AND A PROCESS THEREOF”
FIELD OF THE INVENTION:
The present invention generally relates to an oxygen maker with variable capacity using an electro-catalyst. More particularly, the present invention relates to a process of generation of oxygen with variable capacity using redox reaction operating by Pneumatically coupled Oxidation of Water by Electrocatalytic reaction. The invention further relates to the fabrication of an oxygen maker with a pump system that enables to generate of oxygen with flexible capacity using a stable catalyst packet in a cost-effective manner.
BACKGROUND OF THE INVENTION:
Oxygen remains an essential treatment for severe patients in hospitals.. The need for oxygen is critical to COVID positive patients, POPD patients, sleep apnea patients and for wellness in general as well. If the patient feels breathless, and no oxygen facilities are available, he can easily turn to pneumonia with fluid and infection in the lungs, and even end with death.
Oxygen availability for every patient and easy transfer and affordable for a normal family, especially many poor to middle-class families, are getting tremendous attention for general public medical organizations.
Although the traditional oxygen cylinders may fdl partly the urgent demand for many lung-suffering patients, the skyrocketing number of cases are still overwhelming the country’s hospitals. Not to mention, that many hospitals are running out of beds forcing people to take treatment at home. Hence, the easy transferable and affordable oxygen maker is in immediate demand.
The classic challenge of chemically generated oxygen is that the oxygen produced by electrolysis of water using NaOH is very less. The oxygen was generally produced from a Potassium super-oxide/Sodium chlorate iron mixture, catalytically decomposing oxygen-rich compounds or electrolyzing water. , Improving the oxygen production effectively to fill the huge medical oxygen demand is the current challenge to face for scientists and engineers.
Hence, the inventors broke the classic window and designed an innovative technical method to make oxygen in a cost-effective manner to meet the huge demand for oxygen in COVID positive patients, POPD patients, sleep apnea patients and for wellness in general, which could help in reducing the Oxygen Shortage faced nationwide and worldwide if any pandemic arises like CO VID 19 and consequently the need for oxygen in future.
SUMMARY OF THE INVENTION:
An object of the present invention is to provide the oxygen maker with variable capacity using aqueous salts as a catalyst and to the process thereof.
A further object of the present invention is to significantly increase oxygen generation through the pump system attached to the U-shaped container.
A further object of the present invention is to provide a sustainable and portable oxygen maker that can continuously produce high purity breathable oxygen at a desired rate.
Another object of the present invention is to provide an oxygen maker that is easy to implement and cost-effective.
Another object of the present disclosure is to provide an oxygen maker that can deliver oxygen based on the requirement.
The present invention generally relates to an oxygen maker with variable capacity that uses redox reaction operating by Pneumatically coupled Oxidation of Water by Electrocatalytic reaction using an electro-catalyst. The invention further relates to the fabrication of an oxygen maker with a pump system that enables to generate of oxygen with flexible capacity using a stable catalyst packet in a cost-effective manner.
In an aspect, the present invention primarily provides a process of generating oxygen with a variable capacity using an electro-catalyst.
In another aspect, the present invention provides oxygen maker for generating oxygen with a variable capacity using an electro-catalyst, the apparatus comprises: a housing includes a U-shaped container for storing the reaction mixture, wherein the said U-shaped container comprises a first circular cap configured to cover a first end and a second circular cap configured to cover a second end; a first exhaust outlet pipe connected to the first circular cap to deliver oxygen and a second exhaust outlet pipe connected to the second circular cap to release hydrogen; a pump system connected to the first exhaust outlet pipe and positioned adjacent to the first circular cap; a plurality of screws attached to a glass stick formed an anodic electrode, a cathodic electrode submerged into the aqueous solution, wherein the anodic electrode attached to the first circular cap and a cathodic electrode coupled to the second circular cap; an electric source arranged inside housing delivers electric current to the electrodes and the pump system.
In an aspect, the pump system is configured to enhance oxygen production by pumping out the produced oxygen from the U-shaped container.
In an aspect, the reaction mixture in the U-shaped container comprises water, sodium hydroxide, and mixture of transition metal salts as an electrocatalyst.
In an aspect, the U-shaped container allows easy replacement of the catalyst solution. In an aspect, the electric source may be a rechargeable battery, provided along with a rectifier for conversion from AC to DC.
In an aspect, the aqueous salt solution contains mixture of transition metal salts as the electro-catalyst.
In an aspect, the U-shaped container is made of a material selected from a list comprising of any or a combination of Polyvinyl chloride, or polypropylene or High-Density Polyethylene (HDPE).
In an aspect, the housing is made of wooden material.
In an aspect, the method for producing oxygen with a variable capacity using an electro-catalyst comprises of following steps: The U-shaped container is filled with the reaction mixture. The electric source begins to supply electric current to the anodic electrode and cathodic electrode that are submerged into the mixture of water and catalyst. The anodic electrode starts to generate oxygen and the cathodic electrodes help to generate hydrogen as the electric current supplied by the electric source. The quantity of generated oxygen is enhanced through the pump system as per requirement and then pumped out through the first exhaust outlet pipe. The oxygen-rich air is obtained through the first exhaust outlet pipe by pressing the switch on the housing. The hydrogen from the cathodic electrode is then released into the air through the second exhaust outlet pipe.
The present invention also discloses a process for generating oxygen with variable capacity using redox reaction operating by Pneumatically coupled Oxidation of Water by Electrocatalytic reaction and using mixture of transition metal salts as an electro-catalyst in a cost and energy effective oxygen maker provided with the pump system (7) to enhance the oxygen generation and U-shaped container (2) for easy replacement of the said catalyst solution wherein the process in said oxygen maker results in higher production of oxygen. BRIEF DESCRIPTION OF DRAWINGS:
The advantages and features of the present invention will become better understood with reference to the following more detailed description taken in conjunction with the accompanying drawings in which:
FIG 1 : illustrates an exemplary representation of an oxygen maker with variable capacity using an electro-catalyst, in accordance with an embodiment of the present invention.
FIG 2: illustrates an arrangement of an electric source with an AC-DC rectifier.
DETAILED DESCRIPTION OF THE INVENTION:
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details.
Reference herein to “one embodiment” or “another embodiment” means that a particular feature, structure, or characteristics described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase “in one embodiment” in various places in a specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Further, the diagrams representing one or more embodiments of the invention do not inherently indicate any particular order nor imply any limitations in the invention.
As used herein, the term “plurality" refers to the presence of more than one of the referenced items, and the terms “a”, “an”, and “at least” do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item.
The present invention will now be described in detail with reference to optional and preferred embodiments so that various aspects of the invention will be more clearly understood, however, should not be construed to limit the scope of the invention. The present invention relates to a oxygen maker that uses redox reaction operating by Pneumatically coupled Oxidation of Water by Electrocatalytic reaction combined with a gas pump system of oxygen exhaust outlet and a rechargeable battery with a rectifier to refill easily from AC to DC. With the pump system, oxygen generation can be enhanced tremendously and hydrogen can be almost ignored as a side product.
The design of the present invention is simple, cost-effective, can be implemented at home as well as is scalable. The present invention further relates to the oxygen maker comprising for electrolyzing the water and generating Oxygen and Hydrogen.
In an embodiment, the apparatus can comprise a U-shaped container for storing the mixture of water and catalyst solution.
In an embodiment, the pump system is configured to enhance oxygen production by pumping out the produced oxygen from the U-shaped container.
In an embodiment, the electrochemical reaction produces oxygen. When the electro-catalyst is reacted with water in the container, oxygen can be generated as a result.
FIG. 1 and Fig. 2 illustrate exemplary representations of an oxygen maker, in accordance with an embodiment of the present invention.
As shown in Fig. 1 and Fig.2, The apparatus 100 for generating oxygen with a variable capacity using an electro-catalyst comprises a U-shaped container 2 that is enclosed by the housing 1 for storing the reaction mixture can be made of any or a combination of Polyvinyl chloride (PVC), or polypropylene or High-Density Polyethylene (HDPE) which is capable of containing the reaction materials. The housing 1 includes U-shaped container 2 and electric source 14. The U-shaped container 2 comprises a first circular cap 5 configured to cover a first end 3 and a second circular cap 6 configured to cover a second end 4. The reaction mixture contains water, base, and cobalt salts or a mixture of transition metal salts as an electrocatalyst.
The transition metal salts as electrocatalyst used in the present invention is selected from the group consisting of cobalt salts such as acetate or transition metal salts such as MO7O247" , VO43- , MnO " , CrO42' and water mixtures.
The first exhaust outlet pipe 12 is connected to the first circular cap 5 to deliver oxygen and a second exhaust outlet pipe 13 is connected to the second circular cap
6 to release hydrogen. The pump system 7 is connected to the first exhaust outlet pipe 12 and positioned adjacent to the first circular cap 5. The plurality of screws 9 attached to a glass stick 8 formed an anodic electrode 10, and a cathodic electrode 11 and are submerged into the aqueous solution, wherein the anodic electrode 10 attached to the first circular cap 5 and a cathodic electrode 11 coupled to the second circular cap 6. The 12 V rechargeable battery is used as an electric source 14, and is arranged inside housing 1 that delivers the electric current to the electrodes 10,11 and the pump system 7. The electric source 14 can be refilled by an AC-to-DC rectifier 15. With the rechargeable battery, the oxygen maker can run for almost 4-
7 hours without any current supply. This can be very useful in the case when the patient is with any transport.
A rectifier 15 with a plug is connected to the electric source 14 as depicted in Fig 2. The rectifier is a device used to convert AC current into DC current. The Positive DC output is fed to the anodic electrode 10 inside the U-shape container 2 and Negative to the cathodic electrode 11.
In an embodiment, the present process includes reactants, catalysts, and cocatalysts. In a preferred embodiment, the reactant may be water. In the same embodiment, the mixture of transition metal salts as electrocatalysts may be a mixture of cobalt salts and other transition metal salts. The mixture of Cobalt Salts and Base as a catalyst is present in an amount ranging from 0.1 g - 150 g and other TM salts in the range of 0.1 g- 100 g. The co-catalysts is base solution and 1-1000 g of persulfate.
EXAMPLE:
In an exemplary embodiment, the electrocatalysts are selected from cobalt salts and other TM salts mixtures, selected from Mo?O247', VC>43', MnCL", CrO42'The reaction contains water in the range of (0.1 L- 15L), sodium hydroxide in the range of (0.1 g - 1600g), and cobalt acetate in the range of (0.1 g- 200g) along with other transition metal catalysts as catalysts were added to a U-shaped container. The 12 V battery begins to supply electric current to the electrodes inducing an away from equilibrium redox reaction in the solution. The anodic electrode starts to generate oxygen initially in the range of 0.2_- 90 L/min. The quantity of generated oxygen is controlled modularly through the pump system by approximately in the range of 0.1-70 L/min and then pumped out through the first exhaust outlet pipe. The oxygen-rich air is obtained through the first exhaust outlet pipe by pressing the switch on the housing. The hydrogen from the cathodic electrode is then released into the air through the second exhaust outlet pipe. The generated oxygen purity was checked through an oxygen analyzer shows that the direct oxygen flow from the reaction around _325% w.r.t. that abundant in air we breathe in.
Although a particular exemplary embodiment of the invention has been disclosed in detail for illustrative purposes, it will be recognized by those skilled in the art that variations or modifications of the disclosed invention, including the rearrangement in the configurations of the parts, changes in steps, and their sequences may be possible. Accordingly, the invention is intended to embrace all such alternatives, modifications, and variations as may fall within the spirit and scope of the present invention.
The foregoing descriptions of specific embodiments of the present invention have been presented for purposes of illustration and description. They are not intended to be exhaustive or to limit the invention to the precise forms disclosed, and obviously many modifications and variations are possible in light of the above teaching.
ADVANTAGE OF THE INVENTION:
• The present invention provides an oxygen maker that is rechargeable and can run for 4-7 hours without a current supply.
• The present invention provides the pump system and catalyst that results in higher production of oxygen is scalable.
• The present invention provides the device which is easy to recharge and the whole device is running on a cost and energy effective pattern.

Claims

We Claim,
1. A process of generating oxygen with variable capacity using redox reaction operating by Pneumatically coupled Oxidation of Water by Electrocatalytic reaction in presence of transition metal salts as an electro-catalyst in a cost and energy effective oxygen maker provided with the pump system (7) to enhance the oxygen generation and U-shaped container (2) for easy replacement of the said catalyst solution wherein the process in said oxygen maker results in higher production of oxygen.
2. An oxygen maker using redox reaction operating by Pneumatically coupled Oxidation of Water by Electrocatalytic reaction for generating oxygen with a variable capacity using an electro-catalyst, the apparatus comprising: a housing 1 includes a U-shaped container 2 for storing the reaction mixture, wherein the said U-shaped container 2 comprises a first circular cap 5 configured to cover a first end 3 and a second circular cap 6 configured to cover a second end 4, said U-shaped container 2 is adapted for easy replacement of the catalyst solution; a first exhaust outlet pipe 12 connected to the first circular cap 5 to deliver oxygen and a second exhaust outlet pipe 13 connected to the second circular cap 6 to release hydrogen; a pump system 7 connected to the first exhaust outlet pipe 12 and positioned adjacent to the first circular cap 5, wherein said pump system 7 is configured to enhance oxygen production by pumping out the produced oxygen from the U-shaped container 2; a plurality of screws 9 attached to a glass stick 8 formed an anodic electrode 10, a cathodic electrode 11, and are submerged into the reaction mixture, wherein the anodic electrode 10 attached to the first circular cap 5 and a cathodic electrode 11 coupled to the second circular cap 6; and an electric source 14 arranged inside housing 1 configured to deliver electric current to the electrodes 10,11 and the pump system 7. The apparatus as claimed in claim 1, wherein the reaction mixture in the U- shaped container 2 comprises the water, sodium hydroxide, and transition metal salt as an electrocatalyst. The apparatus as claimed in claim 1, wherein the electric source 14 is a rechargeable battery. The apparatus as claimed in claim 1, wherein the transition metal catalyst is selected from the group consisting of cobalt salts such as cobalt acetate, MO7O247" , VO43- , Mn04‘ , CrO42' and water mixtures. The apparatus as claimed in claim 1, wherein the U-shaped container 2 is made of a material selected from a list comprising of any or a combination of Polyvinyl chloride, or polypropylene or High-Density Polyethylene (HDPE). The apparatus as claimed in claim 1, wherein housing 1 is made of wooden material. A method for producing oxygen with a variable capacity in the oxygen maker using an electro-catalyst, comprising the steps of: a) Filling the mixture of water, NaOH and electrocatalyst in a U-shaped container 2 ; b) Supplying electric current to the anodic electrode 10 and cathodic electrode 11 that are submerged into the mixture of water and electro catalyst by means of an electric source 14 ; c) Generating oxygen by means of anodic electrode 10 and hydrogen by means of cathodic electrodes 11; d) Enhancing generation of oxygen through a pump system 7; e) Obtaining oxygen-rich air through a first exhaust outlet pipe 12; f) Releasing the hydrogen from the cathodic electrode 11 into the air through the second exhaust outlet pipe 13.
PCT/IN2023/050051 2022-01-18 2023-01-18 An oxygen maker with variable capacity using electro-catalyst and a process thereof WO2023139602A1 (en)

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Application Number Priority Date Filing Date Title
CN202380008064.3A CN117693610A (en) 2022-01-18 2023-01-18 Variable capacity oxygenerator using electrocatalyst and process thereof

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IN202231002835 2022-01-18
IN202231002835 2022-01-18

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CN112957580A (en) * 2021-04-02 2021-06-15 中国计量大学 Portable multi-source intelligent oxygen production and supply respirator

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CN112957580A (en) * 2021-04-02 2021-06-15 中国计量大学 Portable multi-source intelligent oxygen production and supply respirator

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