CN111628251A - Method for preparing zinc-air battery electrode framework by using waste biomass - Google Patents
Method for preparing zinc-air battery electrode framework by using waste biomass Download PDFInfo
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- CN111628251A CN111628251A CN202010498355.3A CN202010498355A CN111628251A CN 111628251 A CN111628251 A CN 111628251A CN 202010498355 A CN202010498355 A CN 202010498355A CN 111628251 A CN111628251 A CN 111628251A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/96—Carbon-based electrodes
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Abstract
The invention discloses a method for preparing a zinc-air battery electrode framework by using waste biomass, belonging to the technical field of resource utilization of the waste biomass, wherein the electrode framework comprises the following raw materials, by weight, 300-500 parts of water, 50-85 parts of biomass material, 10-15 parts of zinc sheet, 200-500 parts of air and 10-25 parts of PE high polymer powder, and finally the waste biomass can be used for preparing the battery electrode framework, so that the flexibility of a zinc-air battery is further improved while the battery capacity and the electrode material conductivity are considered.
Description
Technical Field
The invention relates to the technical field of resource utilization of waste biomass, in particular to a method for preparing a zinc-air battery electrode framework by using waste biomass.
Background
Biomass refers to various organisms produced by photosynthesis using the atmosphere, water, land, and the like, and all living organic substances that can grow are generally called biomass. Is characterized by reproducibility. Low pollution. Wide distribution. The resources are rich. The carbon is neutral. Biomass includes plants, animals and microorganisms. The biomass energy is an important component of renewable energy, the efficient development and utilization of the biomass energy plays a very positive role in solving the problems of energy and ecological environment, and since the 20 th century 70 s, all countries in the world, especially economically developed countries, pay high attention to the problem, the research on the application technology of the biomass energy is actively developed, a plurality of research achievements are obtained, and the industrial application scale is achieved. China pays great attention to biomass energy utilization, and plans to continuously arrange the research and application of biomass energy utilization technology as key scientific and technological offensive projects in five years in four countries, and develops the research and development of biomass energy utilization technology, such as household biogas digesters, firewood-saving ovens, firewood-burning forests, large and medium biogas projects, biomass briquetting, gasification and gasification power generation, biomass liquid fuel and the like, so that a plurality of excellent achievements are obtained.
Most of the existing waste biomass is combusted to generate electric energy in the aspect of electric energy use, so that the environmental protection is not facilitated.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a method for preparing a zinc-air battery electrode framework by using waste biomass, which can prepare the battery electrode framework by using the waste biomass, and further improves the flexibility of the zinc-air battery while considering both the battery capacity and the conductivity of an electrode material.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
the electrode skeleton comprises, by weight, 300-500 parts of water, 50-85 parts of biomass materials, 10-15 parts of zinc sheets, 200-500 parts of air and 10-25 parts of PE (polyethylene) polymer powder, and finally the electrode skeleton can be prepared from the waste biomass.
As a preferable scheme of the invention, the biomass material is straw.
In a preferred embodiment of the present invention, the biomass material is wood chips.
In a preferred embodiment of the present invention, the air is selected from air having an oxygen content of twenty-one percent and a nitrogen content of seventy-eight percent.
As a preferred scheme of the invention, the zinc sheet is made of pure zinc.
As a preferable scheme of the invention, 301 to 499 parts of water, 51 to 84 parts of biomass material, 11 to 14 parts of zinc sheet, 201 to 499 parts of air and 11 to 24 parts of PE polymer powder.
In a preferable scheme of the invention, the biomass fuel comprises 400 parts of water, 67.5 parts of biomass material, 12.5 parts of zinc sheet, 300 parts of air and 17.5 parts of PE polymer powder.
As a preferable scheme of the invention, the method for preparing the electrode framework of the zinc-air battery by using the waste biomass comprises the following steps:
s1: sampling according to parts by weight, adding water and biomass materials into a high-pressure kettle with the temperature of 200-250 ℃ and the pressure of 1.7-3.5 MPa, standing for 24-36 h for reaction, taking out biomass material powder with the diameter of 0.1-0.2 mu m to obtain a first component, mixing and shaking PE high polymer powder and the first component for 3min to obtain a second component, pouring the second component into a heating kettle with the temperature of 125-230 ℃ for heating for 2min to obtain the anode catalyst carbon nano rod.
S2: sampling according to the weight parts, taking a zinc sheet, and assembling the cathode catalyst nanorod and the zinc sheet into a water system zinc-air battery and a solid zinc-air battery by a 3D printing technology.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme uses metal zinc as the negative pole, and oxygen is anodal, and the outside air changes into reaction activity material oxygen behind the air catalyst layer through anodal, and the anodal chemical reaction of zinc is: zn +4OH- → Zn (OH)4 ↓ 2- ↓ +2e-, Zn (OH)4 ↓ 2- ↓ → ZnO + H2O +2OH-, an air cathode: o2+4e- +2H2O → 4OH-, for the total reaction: 2Zn + O2 → 2 ZnO.
(2) According to the zinc-air battery, the waste biomass material is carbonized through a hydrothermal method to prepare the carbon nano-rod with the high specific surface area and the high nitrogen doping content to serve as the anode catalyst, and the water system zinc-air battery and the solid zinc-air battery are further assembled by using the 3D printing technology, so that the flexibility of the zinc-air battery is further improved while the battery capacity and the electrode material conductivity are considered.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Example 1:
the zinc-air battery electrode skeleton utilizing waste biomass provided by the embodiment 1 comprises the following raw materials in parts by weight: 300 parts of water, 50 parts of biomass material, 10 parts of zinc sheet, 200 parts of air and 10 parts of PE polymer powder.
In the embodiment, the adopted zinc-air battery is prepared by carbonizing waste biomass materials by a hydrothermal method to prepare carbon nanorods with high specific surface area and high nitrogen doping content as a positive electrode catalyst, and a water system zinc-air battery and a solid zinc-air battery are further assembled by using a 3D printing technology, the flexibility of the zinc-air battery is further improved while the battery capacity and the electrical conductivity of the electrode material are considered, water is convenient for biomass materials to be subjected to hydrothermal pressurization to form powder, the biomass materials contain carbon elements to form a carbon rod conveniently, the zinc sheet has a conductive effect, the battery is convenient to prepare, the air is convenient for generating hydroxyl ions by utilizing the effects of oxygen in the air and electronic water, and the PE polymer powder is an engineering plastic with impact resistance, wear resistance, good self-lubricating property and excellent low-temperature property, has a wear-resistant characteristic, and is strong in sliding friction resistance. The wear resistance of the ultra-high molecular weight polyethylene pipe is 4-7 times higher than that of a common steel pipe and 27.3 times higher than that of stainless steel. The high-impact-resistance polyethylene composite material is 17.9 times that of phenolic resin, 6 times that of nylon and 4 times that of polyethylene, the average value of the annual wear rate is 0.58 mm, the service life of the pipeline is prolonged, the high-impact-resistance polyethylene composite material has impact resistance, the impact toughness value of the ultrahigh-molecular-weight polyethylene in the existing engineering plastics is the highest, and the impact strength of the high-impact-resistance polyethylene composite material is more than 10 times that of PE100 at normal temperature. With the reduction of the environmental temperature, the stronger the shock resistance, the corrosion resistance, and the resistance to the erosion of most corrosive media and organic solvents, the ultra-high molecular weight polyethylene can be applied in concentrated hydrochloric acid with the concentration of less than 80%, and has quite stable performance in sulfuric acid with the concentration of less than 75% and nitric acid with the concentration of less than 20%, and the ultra-high molecular weight polyethylene has self-lubricating property, and the self-sliding performance is superior to that of steel or brass lubricated by oil. In severe environment and places with much dust and silt, the ultrahigh molecular weight polyethylene pipe has better self dry lubrication performance. Can move freely, and protect the relevant workpieces from abrasion or strain. The friction coefficient is only 0.07-0.12, the polyethylene is 1/5 of common PE, 1/6 of new steel pipes and 1/20 of rubber, and the ultra-high molecular weight polyethylene material is a nationally certified environment-friendly material, is nontoxic, tasteless, antifouling and mothproof novel thermoplastic engineering plastic.
Specifically, the biomass material is straw.
Specifically, the biomass material is wood chips.
Specifically, the air is selected from air with twenty-one percent of oxygen and seventy-eight percent of nitrogen.
Specifically, the zinc sheet is made of pure zinc.
Specifically, the method for preparing the electrode framework of the zinc-air battery by using the waste biomass comprises the following steps:
s1: sampling according to parts by weight, adding water and biomass materials into a high-pressure kettle with the temperature of 200-250 ℃ and the pressure of 1.7-3.5 MPa, standing for 24-36 h for reaction, taking out biomass material powder with the diameter of 0.1-0.2 mu m to obtain a first component, mixing and shaking PE high polymer powder and the first component for 3min to obtain a second component, pouring the second component into a heating kettle with the temperature of 125-230 ℃ for heating for 2min to obtain the anode catalyst carbon nano rod.
S2: sampling according to the weight parts, taking a zinc sheet, and assembling the cathode catalyst nanorod and the zinc sheet into a water system zinc-air battery and a solid zinc-air battery by a 3D printing technology.
Example 2:
the zinc-air battery electrode skeleton utilizing waste biomass provided by the embodiment 2 comprises the following raw materials in parts by weight: 500 parts of water, 85 parts of biomass material, 15 parts of zinc sheets, 500 parts of air and 25 parts of PE polymer powder.
The preparation process of example 3 is the same as in example 1 and will not be described here.
Example 3:
the zinc-air battery electrode skeleton utilizing waste biomass provided by the embodiment 2 comprises the following raw materials in parts by weight: 400 parts of water, 67.5 parts of biomass material, 12.5 parts of zinc sheet, 300 parts of air and 17.5 parts of PE polymer powder.
The preparation process of example 3 is the same as in example 1 and will not be described here.
Example 4:
the zinc-air battery electrode framework utilizing waste biomass provided by the embodiment 4 comprises the following raw materials in parts by weight: 301 parts of water, 51 parts of biomass material, 11 parts of zinc sheet, 201 parts of air and 11 parts of PE polymer powder.
The preparation process of example 4 is the same as in example 1 and will not be described here.
Example 5:
the zinc-air battery electrode framework utilizing waste biomass provided by the embodiment 5 comprises the following raw materials in parts by weight: 499 parts of water, 84 parts of biomass material, 14 parts of zinc sheet, 499 parts of air and 24 parts of PE polymer powder.
The preparation process of example 5 is the same as in example 1 and will not be described here.
The 5 kinds of the above-mentioned embodiments have the same preparation method except that the weight parts of the raw materials are different; when charging, the charging agent comprises the following components in parts by weight: 400 parts of water, 67.5 parts of biomass material, 12.5 parts of zinc sheet, 300 parts of air and 17.5 parts of PE polymer powder, wherein after charging for 5min, the electric quantity in the zinc-air battery electrode framework is used by 3%, after using for 20min, the electric quantity in the zinc-air battery electrode framework is used by 10%, after using for 1h, the electric quantity in the zinc-air battery electrode framework is used by 27%, after using for 3h, the electric quantity in the zinc-air battery electrode framework is used by 91%, and after using for 3h and 20min, the electric quantity in the zinc-air battery electrode framework is not used.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides an utilize abandoned living beings zinc-air battery electrode skeleton, this electrode skeleton includes the raw materials of following part by weight, its characterized in that: 300-500 parts of water, 50-85 parts of biomass material, 10-15 parts of zinc sheet, 200-500 parts of air and 10-25 parts of PE polymer powder.
2. The zinc-air battery electrode framework utilizing waste biomass as claimed in claim 1, wherein: the biomass material is straw.
3. The zinc-air battery electrode framework utilizing waste biomass as claimed in claim 2, wherein: the biomass material is wood chips.
4. The zinc-air battery electrode framework utilizing waste biomass as claimed in claim 3, wherein: the air is selected from air with twenty-one percent of oxygen and seventy-eight percent of nitrogen.
5. The zinc-air battery electrode framework utilizing waste biomass as claimed in claim 4, wherein: the zinc sheet is made of pure zinc.
6. The zinc-air battery electrode framework utilizing waste biomass as claimed in claim 5, wherein: 301-499 parts of water, 51-84 parts of biomass material, 11-14 parts of zinc sheet, 201-499 parts of air and 11-24 parts of PE polymer powder.
7. The zinc-air battery electrode framework utilizing waste biomass as claimed in claim 5, wherein: 400 parts of water, 67.5 parts of biomass material, 12.5 parts of zinc sheet, 300 parts of air and 17.5 parts of PE polymer powder.
8. The method for preparing the electrode framework of the zinc-air battery by using the waste biomass as claimed in any one of claims 1 to 7 is characterized by comprising the following steps:
s1: sampling according to parts by weight, adding water and biomass materials into a high-pressure kettle with the temperature of 200-250 ℃ and the pressure of 1.7-3.5 MPa, standing for 24-36 h for reaction, taking out biomass material powder with the diameter of 0.1-0.2 mu m to obtain a first component, mixing and shaking PE high polymer powder and the first component for 3min to obtain a second component, pouring the second component into a heating kettle with the temperature of 125-230 ℃ for heating for 2min to obtain the anode catalyst carbon nano rod.
S2: sampling according to the weight parts, taking a zinc sheet, and assembling the cathode catalyst nanorod and the zinc sheet into a water system zinc-air battery and a solid zinc-air battery by a 3D printing technology.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010498355.3A CN111628251A (en) | 2020-06-04 | 2020-06-04 | Method for preparing zinc-air battery electrode framework by using waste biomass |
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| CN202010498355.3A CN111628251A (en) | 2020-06-04 | 2020-06-04 | Method for preparing zinc-air battery electrode framework by using waste biomass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036518A (en) * | 2022-06-29 | 2022-09-09 | 河北工业大学 | Miniature all-solid-state zinc-air battery and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356010A (en) * | 2015-12-03 | 2016-02-24 | 黄亮国 | Zinc-air battery 3D printing method |
| CN105591178A (en) * | 2014-11-07 | 2016-05-18 | Mpower株式会社 | Metal Air Fuel Cell |
| CN108232369A (en) * | 2017-12-29 | 2018-06-29 | 华南理工大学 | A kind of integrated form flexible electrode of biomass derived and preparation method thereof |
| CN109888311A (en) * | 2019-03-04 | 2019-06-14 | 上海交通大学 | Carbon composite oxygen reduction catalyst based on biomass derived and preparation method thereof |
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2020
- 2020-06-04 CN CN202010498355.3A patent/CN111628251A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591178A (en) * | 2014-11-07 | 2016-05-18 | Mpower株式会社 | Metal Air Fuel Cell |
| CN105356010A (en) * | 2015-12-03 | 2016-02-24 | 黄亮国 | Zinc-air battery 3D printing method |
| CN108232369A (en) * | 2017-12-29 | 2018-06-29 | 华南理工大学 | A kind of integrated form flexible electrode of biomass derived and preparation method thereof |
| CN109888311A (en) * | 2019-03-04 | 2019-06-14 | 上海交通大学 | Carbon composite oxygen reduction catalyst based on biomass derived and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036518A (en) * | 2022-06-29 | 2022-09-09 | 河北工业大学 | Miniature all-solid-state zinc-air battery and preparation method thereof |
| CN115036518B (en) * | 2022-06-29 | 2023-11-03 | 河北工业大学 | Miniature all-solid-state zinc-air battery and preparation method thereof |
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