Wave energy driven air carbon capture and conversion system

By deploying wave-driven air carbon capture and conversion systems in nearshore fishing grounds and utilizing waste lead-acid battery catalysts, CO2 can be efficiently captured from the air and converted into high-value organic matter, solving the problems of resource scarcity and high energy consumption, and reducing recycling costs.

CN120905695APending Publication Date: 2025-11-07TIANJIN UNIV
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202511091039.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-05
Publication Date
2025-11-07

AI Technical Summary

Technical Problem

Existing technologies for CO2 capture on land face challenges such as limited space resources, difficulties in equipment deployment, and high transportation costs; wave energy collection efficiency is low and energy conversion efficiency is low; carbon capture and conversion processes are energy-intensive, have poor stability, and conversion products are difficult to store; existing catalysts are expensive and unstable.

Method used

The wave energy-driven air carbon capture and conversion system, combined with near-shore fishing facilities, utilizes catalysts made from waste lead-acid batteries to electrocatalyze the conversion of CO2 into high-value organic compounds. The system includes an energy harvesting component, a capture component, and a conversion component. It uses flexible multi-layer rings and simple harmonic pendulums to convert wave energy into electrical energy, and combines air pumps and intelligent peristaltic pumps to capture CO2, which is then converted into high-value organic compounds through a PEM device.

Benefits of technology

It efficiently collects wave energy and solar energy, directly captures CO2 from the air, reduces recycling costs, and achieves efficient conversion into high-value organic matter, solving the problems of resource scarcity, high energy consumption, and poor stability in existing technologies.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120905695A_ABST
    Figure CN120905695A_ABST
Patent Text Reader

Abstract

The invention discloses a wave energy driven air carbon capture and conversion system, and relates to the technical field of carbon capture, the wave energy driven air carbon capture and conversion system comprises an energy taking assembly, a capture assembly and a conversion assembly, an air pump and an intelligent precision peristaltic pump in the capture assembly are connected through a flexible multilayer ring and a simple harmonic pendulum in the energy taking assembly by a power transmission cable; and an acid tank in the trapping assembly is connected with a carbon dioxide port in the conversion assembly through a rubber pipe. According to the air carbon capture and conversion system driven by the wave energy, the facility distribution of an offshore fishing ground is combined, the previous high recovery cost is saved, renewable energy sources such as the wave energy and the solar energy are efficiently collected, CO2 is directly captured from the air, and the energy consumption is reduced. And the waste is turned into wealth, and CO2 is converted into high-value organic matters through electro-catalytic conversion by utilizing the catalyst prepared from the recycled waste lead-acid battery.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air carbon capture, in particular to a wave energy driven air carbon capture and conversion system. BACKGROUND

[0002] In terms of environmental configuration, CO2 capture on land has problems such as tight space resources, difficult equipment deployment, and high transportation costs; in terms of energy acquisition, friction nanogenerators for wave energy collection have poor response to low-frequency and irregular waves, and have water shielding effect, with energy conversion efficiency generally lower than 20%, which cannot efficiently collect wave energy in all directions; in terms of carbon capture and conversion of high-value organic matter, physical adsorption generally has low absorption efficiency and poor stability in the high-humidity and high-salinity environment on the sea surface, and chemical adsorption generally has high energy consumption and most of the reagents cannot be recycled; in terms of carbon fixation, most of the existing CO2 conversion methods have harsh conditions, use expensive catalysts, have high energy consumption, are unstable, and the conversion products are not easy to store, with high transportation and recovery costs. SUMMARY

[0003] The present application aims to provide a wave energy driven air carbon capture and conversion system, which combines the distribution of offshore fishing facilities and saves the high recovery cost of the past, efficiently collects renewable energy such as wave energy and solar energy, directly captures CO2 from the air, and uses the catalyst made of recycled waste lead-acid batteries to convert CO2 into high-value organic matter through electrocatalytic conversion.

[0004] The present application provides a wave energy driven air carbon capture and conversion system, which comprises a power taking assembly, a capture assembly, and a conversion assembly, the air pump and the intelligent precision peristaltic pump in the capture assembly are connected through the flexible multi-layer ring and the simple harmonic pendulum in the power taking assembly through the power transmission cable, and the acid tank in the capture assembly is connected to the carbon dioxide port in the conversion assembly through the rubber tube.

[0005] Preferably, the power taking assembly comprises a simple harmonic pendulum, a flexible multi-layer ring, and a hemispherical float, the simple harmonic pendulum is suspended at the top of the power taking assembly, the flexible multi-layer ring adopts a laminated design, and the simple harmonic pendulum falls in the center of the flexible multi-layer ring.

[0006] Preferably, the flexible multilayer ring is composed of five combined rings, the combined rings include a first combined ring, a second combined ring, a third combined ring, a fourth combined ring and a fifth combined ring, the combined rings are composed of concentrically laminated circular table-shaped thin rings made of different materials, the first combined ring, the second combined ring and the third combined ring are the same in structure, the first combined ring, the second combined ring and the third combined ring are sequentially provided with a second friction pair, a first electrode layer, a base plate, a second electrode layer, a dielectric layer and a first friction pair from inside to outside, the fourth combined ring is sequentially provided with a second friction pair, a first electrode layer, a base plate and a first friction pair from inside to outside, the fifth combined ring is sequentially provided with a second friction pair, a first electrode layer, a base layer and a flexible contact layer from inside to outside, and the hemispherical float includes a counterweight.

[0007] Preferably, the trapping assembly includes an air pump, an intelligent precision peristaltic pump, an electrolytic tank, a BPMED module, a base tank, an acid tank and connecting pipes, the left side of the BPMED module is provided with an anode electrolyte outlet and an alkaline solution outlet, and the right side of the BPMED module is provided with a cathode electrolyte inlet and an acidic solution outlet.

[0008] Preferably, the alkaline solution outlet is sequentially connected with the base tank, the intelligent precision peristaltic pump and the electrolytic tank through rubber pipes; the right side of the electrolytic tank is provided with a first opening, a second opening and a third opening, the first opening of the electrolytic tank is connected with the intelligent precision peristaltic pump and the anode electrolyte inlet, the second opening of the electrolytic tank is sequentially connected with the intelligent precision peristaltic pump and the cathode electrolyte inlet, the third opening of the electrolytic tank is sequentially connected with the intelligent precision peristaltic pump and the acid tank, and the acidic solution outlet is connected with the acid tank through a rubber pipe.

[0009] Preferably, the conversion assembly includes a cathode electrolyte tank, an anode electrolyte tank, a product collection tank, an anode liquid pump, a cathode liquid pump, a PEM device and connecting pipes; the left side of the PEM device is provided with an anode electrolyte inlet, an anode electrolyte outlet, a carbon dioxide port and an oxygen port, and the right side of the PEM device is provided with a cathode electrolyte inlet and a cathode electrolyte outlet.

[0010] Preferably, the anode electrolyte tank is connected with the anode liquid pump in series through the connecting pipes, the cathode electrolyte tank is connected with the cathode liquid pump in series through the connecting pipes, the anode electrolyte outlet is connected with the anode electrolyte tank, the anode liquid pump is connected with the anode electrolyte inlet, the cathode electrolyte outlet is connected with the cathode electrolyte tank, the cathode liquid pump is connected with the cathode electrolyte inlet, and the oxygen port is connected with the product collection tank.

[0011] Therefore, the wave energy driven air carbon capture and conversion system can directly capture CO2 from the air, and convert the CO2 into high-value organic matter through electrocatalytic conversion by using the catalyst made of recycled waste lead-acid batteries.

[0012] The technical solutions of the present application are further described below with reference to the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A structure diagram of a power taking assembly of a wave energy driven air carbon capture and conversion system according to the present application;

[0014] Figure 2 A structure diagram of a flexible multi-layer ring of a wave energy driven air carbon capture and conversion system according to the present application;

[0015] Figure 3 A structure diagram of a capture assembly of a wave energy driven air carbon capture and conversion system according to the present application;

[0016] Figure 4 A structure diagram of a conversion assembly of a wave energy driven air carbon capture and conversion system according to the present application. DETAILED DESCRIPTION

[0017] The technical solutions of the present application are further described below with reference to the drawings and examples.

[0018] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the usual meaning understood by a person having ordinary skill in the art to which the present application pertains.

[0019] The terms "first", "second", and similar terms used in the present application do not indicate any order, number, or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects before the terms cover the elements or objects listed after the terms and their equivalents, and do not exclude other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right", and the like are only used to indicate relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships may also change accordingly.

[0020] Example 1

[0021] As shown in Figures 1-4 , a wave energy driven air carbon capture and conversion system according to the present application includes a power taking assembly, a capture assembly, and a conversion assembly. An air pump and an intelligent precision peristaltic pump in the capture assembly are connected through a flexible multi-layer ring and a simple harmonic pendulum in the power taking assembly through an electric power transmission cable. The flexible multi-layer ring and the simple harmonic pendulum convert wave mechanical energy into electric energy. The electrode layer outputs direct current. An acid tank in the capture assembly is connected to a carbon dioxide port in the conversion assembly through a rubber tube.

[0022] The energy-harvesting assembly comprises a simple pendulum, a flexible multi-layer ring and a hemispherical float, the simple pendulum is hung at the top of the energy-harvesting assembly, the flexible multi-layer ring adopts a stacked design, and the simple pendulum falls in the center of the flexible multi-layer ring and can swing freely.

[0023] The flexible multi-layer ring is composed of five combined rings, the combined rings comprise a first combined ring, a second combined ring, a third combined ring, a fourth combined ring and a fifth combined ring, the combined rings are concentrically stacked by circular-truncated thin rings made of different materials, the first combined ring, the second combined ring and the third combined ring are of the same structure, and the first combined ring, the second combined ring and the third combined ring are sequentially provided from inside to outside with a second friction pair, a first electrode layer, a base plate, a second electrode layer, a dielectric layer and a first friction pair, the fourth combined ring is sequentially provided from inside to outside with a second friction pair, a first electrode layer, a base plate and a first friction pair, and the fifth combined ring is sequentially provided from inside to outside with a second friction pair, a first electrode layer, a base layer and a flexible contact layer, the material of the first friction pair is copper, the material of the second friction pair is perfluoroethylene propylene copolymer, the material of the base plate is polyimide (kapton), the material of the first electrode layer is copper, the material of the dielectric layer is polyimide (kapton), the material of the second electrode layer is copper, and the material of the flexible contact layer is foam.

[0024] The hemispherical float comprises a counterweight and a holding device, and the holding device floats on the water surface and is not prone to overturning. During movement, the contact interface between the simple pendulum and the flexible multi-layer ring undergoes contact-separation-reverse contact, forming periodic contact, and meanwhile, the contact surfaces between the base plates of adjacent levels of the flexible multi-layer ring generate static electricity due to friction, and the mechanical-electric coupling effect of the multi-levels converts mechanical energy into electrical energy output through the triboelectric effect and the electrostatic induction effect.

[0025] The trapping assembly comprises an air pump, an intelligent precision peristaltic pump, an electrolysis tank, a BPMED module, a base tank, an acid tank and connecting pipes, the left side of the BPMED module is provided with an anode electrolyte outlet and an alkaline solution outlet, and the right side of the BPMED module is provided with a cathode electrolyte inlet and an acidic solution outlet.

[0026] The air pump is used for pumping air into the base tank to obtain CO2 from the air; the intelligent precision peristaltic pump realizes the pumping of gas and liquid between the tanks and the tank; the electrolysis tank receives the alkaline solution from the base tank and the acidic solution from the acid tank to mix the two; the BPMED module receives the solution from the electrolysis tank, and the electrolyte is acidified in the cathode chamber and alkalinized in the anode chamber; the base tank receives the alkaline solution from the anode of the BPMED module, and at the same time, air in O2 and CO2 overflows from the base tank; the acid tank receives the acidic solution from the cathode of the BPMED module, and at the same time, H2 and CO2 overflow from the acid tank; all the connecting pipes in the connecting pipes are made of rubber pipes with an inner diameter of 6 mm.

[0027] In one aspect, air is introduced into the base tank by an air pump. In another aspect, the BPMED module receives the solution from the electrolysis tank and acidifies the electrolyte in the cathode chamber and alkalinizes the electrolyte in the anode chamber. The alkalinized solution and O2 are directed into the base tank, and the acidified solution and H2, CO2 are directed into the acid tank.

[0028] In the base tank, O2 overflow realizes separation with the basic solution. At the same time, CO2 in the air reacts with OH - in the basic solution (1) to form a basic electrolyte and flow into the electrolysis tank for the next cycle.

[0029]

[0030] In the acid tank, H2, CO2 overflow into the conversion module to participate in the next stage of reaction. At the same time, the flow liquid containing H + flows into the electrolysis tank for the next cycle.

[0031] The base tank, the intelligent precision peristaltic pump and the electrolysis tank are connected in sequence by a rubber tube through the basic solution outlet; the right side of the electrolysis tank is provided with a first opening, a second opening and a third opening, the first opening of the electrolysis tank is connected with the intelligent precision peristaltic pump and the anode electrolyte inlet, the second opening of the electrolysis tank is connected with the intelligent precision peristaltic pump and the cathode electrolyte inlet in sequence, the third opening of the electrolysis tank is connected with the intelligent precision peristaltic pump and the acid tank in sequence, and the acid solution outlet is connected with the acid tank through a rubber tube.

[0032] The conversion assembly comprises a cathode electrolyte tank, an anode electrolyte tank, a product collection tank, an anode liquid pump, a cathode liquid pump, a PEM device and a connecting pipe; the left side of the PEM device is provided with an anode electrolyte inlet, an anode electrolyte outlet, a carbon dioxide port and an oxygen port, and the right side of the PEM device is provided with a cathode electrolyte inlet and a cathode electrolyte outlet.

[0033] The cathode electrolyte tank stores the cathode electrolyte, serves as a transfer station of the electrolyte potassium sulfate solution and temporarily stores the electrolyte; the anode electrolyte tank stores the anode electrolyte, serves as a transfer station of the electrolyte potassium sulfate solution and temporarily stores the electrolyte; the product collection tank stores the generated formic acid; the anode liquid pump provides power to pump the anode electrolyte into the PEM device; the cathode liquid pump provides power to pump the cathode electrolyte into the PEM device; the PEM device trapping device transports carbon dioxide to the carbon dioxide port and water to the water port; all the connected pipes in the connecting pipe are rubber pipes with an inner diameter of 6mm.

[0034] First, the carbon dioxide enriched by the trapping device is transported to the carbon dioxide port at a flow rate of 20.0cm 3The carbon dioxide inlet of the PEM device is conveyed at a speed of 100-1000 L / min, and the anode liquid pump and the cathode liquid pump are driven to pump the electrolyte of the cathode and the anode into the electrolyte inlets of the PEM device, so that the electrolyte fills the PEM device, and the electrolyte of the cathode and the anode forms a circulation, so that the potassium ion concentration in the device is kept at 1 M / L. Hydrogen and carbon dioxide generated in the cathode reaction zone are subjected to electrocatalytic reaction, and the generated high-concentration formic acid is discharged into a product collection tank through the oxygen outlet of the PEM device, and the oxygen generated in the process is directly discharged into the atmosphere.

[0035] The anode electrolyte tank is connected in series with the anode liquid pump through a connecting pipe, the cathode electrolyte tank is connected in series with the cathode liquid pump through a connecting pipe, the anode electrolyte outlet is connected with the anode electrolyte tank, the anode liquid pump is connected with the anode electrolyte inlet, the cathode electrolyte outlet is connected with the cathode electrolyte tank, the cathode liquid pump is connected with the cathode electrolyte inlet, and the oxygen outlet is connected with the product collection tank.

[0036] Therefore, the wave energy-driven air carbon capture and conversion system of the present application can efficiently collect renewable energy such as wave energy and solar energy, directly capture CO2 from the air, and convert the waste into treasure by using the catalyst made of recycled waste lead-acid batteries to convert CO2 into high-value organic matter through electrocatalytic conversion.

[0037] The above embodiments are only used to illustrate the technical solutions of the present application but not to limit it, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can still be modified or replaced by equivalents, and these modifications or replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A wave energy driven air carbon capture conversion system, characterized in that, The device comprises a power taking component, a trapping component and a conversion component, the air pump and the intelligent precision peristaltic pump in the trapping component are connected through the flexible multi-layer ring and the simple harmonic pendulum in the power taking component through the power transmission cable, and the acid tank in the trapping component is connected to the carbon dioxide port in the conversion component through the rubber pipe.

2. A wave energy driven air carbon capture conversion system according to claim 1, wherein, The power taking component comprises a simple harmonic pendulum, a flexible multi-layer ring and a hemispherical float, the simple harmonic pendulum is hung at the top of the power taking component, and the flexible multi-layer ring adopts a laminated design, and the simple harmonic pendulum falls in the center of the flexible multi-layer ring.

3. A wave energy driven air carbon capture conversion system according to claim 1, wherein, The flexible multi-layer ring is composed of five combined rings, the combined rings comprise a first combined ring, a second combined ring, a third combined ring, a fourth combined ring and a fifth combined ring, the combined rings are concentrically laminated by circular table-shaped thin rings made of different materials, the first combined ring, the second combined ring and the third combined ring are the same in structure, the first combined ring, the second combined ring and the third combined ring are sequentially provided from inside to outside with a second friction pair, a first electrode layer, a base plate, a second electrode layer, a dielectric layer and a first friction pair, the fourth combined ring is sequentially provided from inside to outside with a second friction pair, a first electrode layer, a base plate and a first friction pair, the fifth combined ring is sequentially provided from inside to outside with a second friction pair, a first electrode layer, a base layer and a flexible contact layer, and the hemispherical float comprises a counterweight.

4. The wave energy driven air carbon capture conversion system of claim 1, wherein, The trapping component comprises an air pump, an intelligent precision peristaltic pump, an electrolytic tank, a BPMED module, a base tank, an acid tank and a connecting pipe, the left side of the BPMED module is provided with an anode electrolyte output port and an alkaline solution output port, and the right side of the BPMED module is provided with a cathode electrolyte input port and an acidic solution output port.

5. A wave energy driven air carbon capture conversion system according to claim 4, wherein, The alkaline solution output port is sequentially connected to the base tank, the intelligent precision peristaltic pump and the electrolytic tank through the rubber pipe, the right side of the electrolytic tank is provided with a first opening, a second opening and a third opening, the first opening of the electrolytic tank is connected to the intelligent precision peristaltic pump and the anode electrolyte input port, the second opening of the electrolytic tank is sequentially connected to the intelligent precision peristaltic pump and the cathode electrolyte inlet, the third opening of the electrolytic tank is sequentially connected to the intelligent precision peristaltic pump and the acid tank, and the acidic solution output port is connected to the acid tank through the rubber pipe.

6. A wave energy driven air carbon capture conversion system according to claim 1, wherein, The conversion component comprises a cathode electrolyte tank, an anode electrolyte tank, a product collection tank, an anode liquid pump, a cathode liquid pump, a PEM device and a connecting pipe, the left side of the PEM device is provided with an anode electrolyte input port, an anode electrolyte output port, a carbon dioxide port and an oxygen port, and the right side of the PEM device is provided with a cathode electrolyte input port and a cathode electrolyte output port.

7. A wave energy driven air carbon capture conversion system according to claim 6, wherein, The anode electrolyte tank is connected in series with the anode liquid pump through the connecting pipe, the cathode electrolyte tank is connected in series with the cathode liquid pump through the connecting pipe, the anode electrolyte output port is connected to the anode electrolyte tank, the anode liquid pump is connected to the anode electrolyte input port, the cathode electrolyte outlet is connected to the cathode electrolyte tank, the cathode liquid pump is connected to the cathode electrolyte input port, and the oxygen port is connected to the product collection tank.