CN206673026U - MULTILAYER COMPOSITE oxygen catalysis electrode - Google Patents
MULTILAYER COMPOSITE oxygen catalysis electrode Download PDFInfo
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- CN206673026U CN206673026U CN201621133585.5U CN201621133585U CN206673026U CN 206673026 U CN206673026 U CN 206673026U CN 201621133585 U CN201621133585 U CN 201621133585U CN 206673026 U CN206673026 U CN 206673026U
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- CN
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- Prior art keywords
- layer
- air
- catalytic
- catalytic layer
- current collector
- 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.)
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- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 16
- 239000001301 oxygen Substances 0.000 title claims abstract description 16
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 230000003197 catalytic effect Effects 0.000 claims abstract description 48
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000012528 membrane Substances 0.000 claims abstract description 18
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 239000006260 foam Substances 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 7
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 16
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 10
- -1 polytetrafluoroethylene Polymers 0.000 description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 239000006230 acetylene black Substances 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- HBAGRTDVSXKKDO-UHFFFAOYSA-N dioxido(dioxo)manganese lanthanum(3+) Chemical compound [La+3].[La+3].[O-][Mn]([O-])(=O)=O.[O-][Mn]([O-])(=O)=O.[O-][Mn]([O-])(=O)=O HBAGRTDVSXKKDO-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical group [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000875 high-speed ball milling Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Inert Electrodes (AREA)
Abstract
The utility model discloses a kind of MULTILAYER COMPOSITE oxygen catalysis electrode, the oxygen catalysis electrode includes current collector layer, the first Catalytic Layer, the second Catalytic Layer, air-permeable layer and the waterproof ventilated membrane that foam nickel screen is formed, the inner surface of first Catalytic Layer and the inner surface of the second Catalytic Layer are overlying on the two sides of current collector layer respectively, the inner surface of the air-permeable layer is in contact with the outer surface of the first Catalytic Layer, and the outer surface of the air-permeable layer is in contact with the inner surface of waterproof ventilated membrane.Compound using Catalytic Layer current collector layer Catalytic Layer air-permeable layer waterproof ventilated membrane sandwich construction, Stability Analysis of Structures, durability is strong, and catalytic activity is high, and technique is simple, and pole piece uniformity is good, process safety, can automatic continuous production, actual energy density can reach 110mA/cm2, production process safety non-pollution, production cost is low, and product is recyclable, and the air electrode stable performance of making, durability is strong, can automate, large-scale production, there is wide applicability.
Description
Technical field
It the utility model is related to the technical field of aluminium-air cell, more particularly to a kind of MULTILAYER COMPOSITE oxygen catalysis electrode.
Background technology
Aluminium-air cell is using aluminium as negative pole, and air electrode is the metal battery of positive pole, compared with other metal batteries,
The features such as ratio energy that itself has is high, production cost is low, safe and environment-friendly, can be good at solving current power battery continuing
Navigating, low, charging is inconvenient, production cost is high, production and using the problems such as process is dangerous, pollution environment, has huge market
Space and application prospect.
Aluminium-air cell electrolyte is potassium hydroxide aqueous solution or sodium hydrate aqueous solution, and reaction product aluminum oxide can follow
Ring utilizes or is directly used as the raw material of industry, produces more high added value.Using process safety and reliability, blast, burning will not be produced
Phenomena such as with electric leakage, it is a kind of abundant raw material sources, excellent honest and clean, safe and stable, the long-acting, zero-emission of price, free of contamination a new generation
Electrokinetic cell.
The extensive tesla's lithium battery energy density of current application is 200wh/Kg, and actual energy density is 120-150wh/
Kg, and the theoretical energy density of aluminium-air cell is up to 8100wh/Kg, the aluminium-air cell actual energy density being currently known is
1000wh/Kg or so, the air electrode of this aluminium-air cell using absolute ethyl alcohol as dispersant, as catalyst adopt by silver-based
Formed with Catalytic Layer-current collector layer-air-permeable layer structure fabrication.The air electrode cost is higher, and production process is dangerous, can only half hand
Work formula makes, and structural instability, durability is not strong, thus mass production is difficult, it is also difficult to is commercially widely popularized use.
Utility model content
For weak point present in above-mentioned technology, a kind of manufacture craft of the utility model offer is simple, production process
Safety and environmental protection, it can be mass, the MULTILAYER COMPOSITE oxygen catalysis electrode of stable performance, service life length.
In order to achieve the above object, a kind of MULTILAYER COMPOSITE oxygen catalysis electrode of the utility model, including be made up of foam nickel screen
Current collector layer, the first Catalytic Layer, the second Catalytic Layer, air-permeable layer and waterproof ventilated membrane, the inner surface of first Catalytic Layer covers
The another side of current collector layer, the inner surface of the air-permeable layer are overlying in the inner surface of the one side of current collector layer, and second Catalytic Layer
It is in contact with the outer surface of the first Catalytic Layer, the outer surface of the air-permeable layer is in contact with the inner surface of waterproof ventilated membrane.
Wherein, first Catalytic Layer is identical with the size of the second Catalytic Layer and thickness is equal, first Catalytic Layer with
And second two sides that Catalytic Layer is seamless, bubble-free is covered in current collector layer, the thickness of the air-permeable layer are thicker than waterproof ventilated membrane
Thickness, and first Catalytic Layer and waterproof ventilated membrane is seamless, bubble-free is covered in current collector layer two sides.
Wherein, first Catalytic Layer and the second Catalytic Layer include polytetrafluoroethylene floor, multiple manganese dioxide particles, more
Individual acetylene black particle and multiple lanthanum manganate particles, the multiple manganese dioxide particle, multiple acetylene black particles and multiple manganese
Sour lanthanum particle is uniformly embedded into polytetrafluoroethylene floor；
Wherein, the air-permeable layer includes polytetrafluoroethylene floor, multiple short carbon fiber particles and multiple activated carbon granules, institute
State multiple short carbon fiber particles and multiple activated carbon granules are uniformly embedded into polytetrafluoroethylene floor；The waterproof ventilated membrane is poly-
Tetrafluoroethene layer.
Wherein, the MULTILAYER COMPOSITE oxygen catalysis electrode also includes the nickel bar as cathode sheet, and the nickel bar point is welded in afflux
The end of layer.
The beneficial effects of the utility model are：
Compared with prior art, MULTILAYER COMPOSITE oxygen catalysis electrode of the present utility model, the air electrode use Catalytic Layer-collection
Fluid layer-Catalytic Layer-air-permeable layer-waterproof ventilated membrane sandwich construction is compound, and Stability Analysis of Structures, durability is strong, and catalytic activity is high, and pole piece is equal
Even property is good, process safety, can automatic continuous production, actual energy density can reach 110mA/cm2, the air electrode of making
Can be stable, durability is strong, can automate, large-scale production, commercially there is wide applicability.
Brief description of the drawings
Fig. 1 is the schematic cross-section of the utility model MULTILAYER COMPOSITE oxygen catalysis electrode；
Fig. 2 is the current density and durability contrast schematic diagram of the utility model catalyst component.
Main element symbol description is as follows：
10th, current collector layer 11, the first Catalytic Layer
12nd, the second Catalytic Layer 13, air-permeable layer
14th, waterproof ventilated membrane.
Embodiment
In order to more clearly state the utility model, the utility model is further described below in conjunction with the accompanying drawings.
With further reference to Fig. 1, oxygen catalysis electrode of the present utility model, including be made up of foam nickel screen current collector layer 10,
First Catalytic Layer 11, the second Catalytic Layer 12, air-permeable layer 13 and waterproof ventilated membrane 14, the inner surface of the first Catalytic Layer 11 and
The inner surface of two Catalytic Layers 12 is overlying on the appearance on the two sides of current collector layer 10, the inner surface of air-permeable layer 13 and the first Catalytic Layer 11 respectively
Face is in contact, and the outer surface of air-permeable layer 13 is in contact with the inner surface of waterproof ventilated membrane 14.
First Catalytic Layer 11 is identical with the structure of the second Catalytic Layer 12, and includes polytetrafluoroethylene floor, multiple manganese dioxide
Particle, multiple acetylene black particles and multiple lanthanum manganate particles, multiple manganese dioxide particles, multiple acetylene black particles and multiple
Lanthanum manganate particle is uniformly embedded into polytetrafluoroethylene floor；Air-permeable layer 13 include polytetrafluoroethylene floor, multiple short carbon fiber particles with
And multiple activated carbon granules, multiple short carbon fiber particles and multiple activated carbon granules are uniformly embedded into polytetrafluoroethylene floor；It is anti-
Water ventilated membrane 14 is polytetrafluoroethylene floor.
In the present embodiment, the first Catalytic Layer 11 is identical with the size of the second Catalytic Layer 12 and thickness is equal, the first catalysis
The two sides that Catalytic Layer is 12 seamless, bubble-free is covered in current collector layer of layer 11 and second, it is saturating that the thickness of air-permeable layer 13 is thicker than waterproof
The thickness of air film 14, and the first Catalytic Layer 11 and waterproof ventilated membrane 14 is seamless, bubble-free is covered in current collector layer two sides.
In the present embodiment, the MULTILAYER COMPOSITE oxygen catalysis electrode also includes the nickel bar as cathode sheet, and nickel bar point is welded in
The end of current collector layer.
The catalyst that the utility model uses is free of noble metal, uses what noble metal made ensure that catalytic activity is higher than
While catalysis electrode, production cost greatly reduces；The absolute ethyl alcohol for replacing commonly using in metal battery using deionized water
As dispersant, the security of production process ensure that；Mixed, shortened scattered in pulping process with high speed ball-milling method
Time, the manpower and materials needed for production process are saved, improved the efficiency of large-scale production.
Further regard to Fig. 2, electrolytic manganese dioxide powder（EMD）Catalytic activity is high, and current density can reach under constant pressure 1.2V
110mA/cm2, but durability is not strong, and 8h attenuations are 13.6%, and lanthanum manganate prepared by chemical synthesis（CMD）Catalytic activity
Low, current density is 63mA/cm2 under constant pressure 1.2V, but durability is strong, and 8h attenuations are 1.6%.This programme take CMD and
EMD is used in mixed way according to a certain percentage, strengthens durability while its catalytic activity is ensured, the air made according to this programme
Pole piece, current density is 75mA/cm under constant pressure 1.2V2, 8h attenuations are 4%.
Disclosed above is only several specific embodiments of the present utility model, but the utility model is not limited to this,
The changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (3)
- A kind of 1. MULTILAYER COMPOSITE oxygen catalysis electrode, it is characterised in that including be made up of foam nickel screen current collector layer, first catalysis Layer, the second Catalytic Layer, air-permeable layer and waterproof ventilated membrane, the inner surface of first Catalytic Layer are overlying on the one side of current collector layer, and The inner surface of second Catalytic Layer is overlying on the appearance of the another side of current collector layer, the inner surface of the air-permeable layer and the first Catalytic Layer Face is in contact, and the outer surface of the air-permeable layer is in contact with the inner surface of waterproof ventilated membrane.
- 2. MULTILAYER COMPOSITE oxygen catalysis electrode according to claim 1, it is characterised in that first Catalytic Layer is urged with second The size of change layer is identical and thickness is equal, and first Catalytic Layer and the second Catalytic Layer are seamless, bubble-free is covered in afflux The two sides of layer, the thickness of the air-permeable layer are thicker than the thickness of waterproof ventilated membrane, and first Catalytic Layer and waterproof ventilated membrane Seamless, bubble-free is covered in the two sides of current collector layer.
- 3. MULTILAYER COMPOSITE oxygen catalysis electrode according to claim 1, it is characterised in that the MULTILAYER COMPOSITE oxygen catalysis electrode is also Including the nickel bar as cathode sheet, the nickel bar point is welded in the end of current collector layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133585.5U CN206673026U (en) | 2016-10-19 | 2016-10-19 | MULTILAYER COMPOSITE oxygen catalysis electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133585.5U CN206673026U (en) | 2016-10-19 | 2016-10-19 | MULTILAYER COMPOSITE oxygen catalysis electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673026U true CN206673026U (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621133585.5U Active CN206673026U (en) | 2016-10-19 | 2016-10-19 | MULTILAYER COMPOSITE oxygen catalysis electrode |
Country Status (1)
| Country | Link |
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| CN (1) | CN206673026U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374115A (en) * | 2016-10-19 | 2017-02-01 | 深圳市锐劲宝能源电子有限公司 | Multi-layer composite oxygen catalyst electrode and manufacturing method thereof |
| CN109786762A (en) * | 2019-01-17 | 2019-05-21 | 北京化工大学 | Structure of gradient hydrophilic-hydrophobic/air electrode and preparation method thereof |
| CN112687888A (en) * | 2020-12-29 | 2021-04-20 | 长沙迅洋新材料科技有限公司 | Magnesium metal air battery positive electrode material and continuous coating preparation method thereof |
-
2016
- 2016-10-19 CN CN201621133585.5U patent/CN206673026U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374115A (en) * | 2016-10-19 | 2017-02-01 | 深圳市锐劲宝能源电子有限公司 | Multi-layer composite oxygen catalyst electrode and manufacturing method thereof |
| CN109786762A (en) * | 2019-01-17 | 2019-05-21 | 北京化工大学 | Structure of gradient hydrophilic-hydrophobic/air electrode and preparation method thereof |
| CN112687888A (en) * | 2020-12-29 | 2021-04-20 | 长沙迅洋新材料科技有限公司 | Magnesium metal air battery positive electrode material and continuous coating preparation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240709 Address after: 518000, southwest of the north side of the fifth floor of Xinliyuan Office Building, No. 31 Bulong Road, Buji Street Office, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN WAYFOUNDER ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 518000 Innovation Building 102, Qixing Creative Workshop, North 2nd Lane, Chuangye 2nd Road, Xin'an Street, Bao'an District, Shenzhen, Guangdong Province Patentee before: REGENPO ENERGY & ELECTRONIC CO.,LTD. Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240815 Address after: 210000 room 570, building a, 606 ningliu Road, Changlu street, Jiangbei new district, Nanjing City, Jiangsu Province Patentee after: Nanjing Shituo Energy Technology Co.,Ltd. Country or region after: China Address before: 518000, southwest of the north side of the fifth floor of Xinliyuan Office Building, No. 31 Bulong Road, Buji Street Office, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN WAYFOUNDER ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region before: China |