CN106207192A - There is carbon dioxide filter and inhale the metal-air battery electrode of layer - Google Patents
There is carbon dioxide filter and inhale the metal-air battery electrode of layer Download PDFInfo
- Publication number
- CN106207192A CN106207192A CN201510865472.8A CN201510865472A CN106207192A CN 106207192 A CN106207192 A CN 106207192A CN 201510865472 A CN201510865472 A CN 201510865472A CN 106207192 A CN106207192 A CN 106207192A
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- layer
- carbon dioxide
- metal
- dioxide filter
- air battery
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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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- 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
- H01M12/065—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 with plate-like electrodes or stacks of plate-like electrodes
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/74—Meshes or woven material; Expanded metal
- H01M4/745—Expanded metal
-
- 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
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Hybrid Cells (AREA)
- Inert Electrodes (AREA)
Abstract
There is carbon dioxide filter and inhale the metal-air battery electrode of layer.The invention belongs to metal-air battery technical field, particularly relate to a class and there is the metal-air battery electrode of carbon dioxide filter suction layer.Both side surface in afflux conductive mesh is coated with carbon dioxide filter and inhales layer, layer surface roll rolled with politef and the waterproof ventilative layer of acetylene black composition are inhaled in carbon dioxide filter in side, and the carbon dioxide at opposite side is filtered and inhaled layer surface roll rolled with catalyst, politef and the catalytic active layer of catalyst carrier carbon black composition.The solution of the present invention can effectively prevent the carbon dioxide in air from entering inside air cell, slows down alkaline electrolyte carbonating, extends the service life of battery, can meet again high current density discharge requirement simultaneously.
Description
Technical field
The invention belongs to metal-air battery technical field, particularly relate to a class have carbon dioxide filter inhale layer metal-
Air cell electrode.
Background technology
There is the easy carbonating of electrolyte in existing metal-air battery, causes electrode gas-evolving electrodes, and shorten battery and use
The problem in life-span, to take to add the metal-oxide of higher overpotential of hydrogen evolution or hydroxide solves, though can be one
Determine to solve in degree the short problem of battery life, but this solution be only capable of meeting in, low current density electric discharge requirement.Although generation
Preferably solution is all being studied by Jie Ge state, yet there are no ideal technical scheme up to now.
Summary of the invention
It is an object of the invention to provide a kind of metal-air battery electrode with carbon dioxide filter suction layer, can be the most anti-
Only the carbon dioxide in air enters inside air cell, slows down alkaline electrolyte carbonating, extends the service life of battery, with
Time can meet again high current density discharge requirement.
Realize above-mentioned purpose of the present invention to adopt the technical scheme that: the both side surface in afflux conductive mesh is coated with titanium dioxide
Layer is inhaled in carbon filter, and layer surface roll rolled with politef and the waterproof ventilative layer of acetylene black composition are inhaled in the carbon dioxide filter in side,
Carbon dioxide at opposite side is filtered and is inhaled layer surface roll rolled with catalyst, politef and the catalysis of catalyst carrier carbon black composition
Active layer.
The politef of waterproof ventilative layer and the mixed weight of acetylene black than for 1:4.5～5.5, thickness be 0.15～
0.25mm, the porosity of rolling is 80%～85%.
Afflux conductive mesh be with the metallic conduction net of pore structure, mesh mesh number is 60 ~ 80.
The mixed weight ratio of catalyst, politef and catalyst carrier carbon black in Catalytic Layer active layer be 3.7～
4.3:1:5.5～6.5, thickness is 0.3mm.
Carbon dioxide filter is inhaled layer and is used the coating of Lithium metasilicate solution to be formed, and dried coating thickness is 150 m～400 m.
The method have the benefit that: reasonably selected Lithium metasilicate as the coating material of afflux conductive mesh,
Under conditions of gas concentration lwevel is 20%, the carbon dioxide of 1g Lithium metasilicate absorbable 62mg per minute, and Lithium metasilicate formation
Film have inorganic coating heat-resisting, do not fire, outside radiation hardness, the general performance such as nontoxic, also have from dry, heat-resisting up to 1000
DEG C, the features such as wearability, moisture-proof, weather resisteant, humid-dry cycling resistance are good, excellent water resistance, for the afflux conductive mesh of metal
There is good cohesive and rust-preventing characteristic.Electrode of the present invention rational outer layer layout and parameter so that it is be provided with better
The performance of good high current density discharge, it will be apparent that extend the service life of battery.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the lamination schematic diagram of the air electrode of the metal-air battery of the present invention.
In figure: 1, waterproof ventilative layer；2, layer is inhaled in carbon dioxide filter；3, afflux conductive mesh；4, catalytic active layer.
Detailed description of the invention
Embodiment 1: afflux conductive mesh 3 uses the nickel screen of 60 mesh, coats lithium silicate aqueous solution, is formed after drying in its both sides
Thickness is that layer 2, the politef that waterproof ventilative layer 1 uses weight ratio to be 1:5 and acetylene black are inhaled in the carbon dioxide filter of 150 m
After mixing, rolling is inhaled outside layer 2 in carbon dioxide filter, and waterproof ventilative layer 1 thickness is 0.2mm, and porosity is 80%；At opposite side dioxy
Changing carbon filter and inhale layer 2 outer rolling catalytic active layer 4, catalytic active layer is mixed by catalyst, politef and catalyst carrier carbon black
Synthesis, mixed weight ratio is for 4:1:6, and thickness is 0.3mm.Air, as working media, first passes through waterproof ventilative layer 1 and removes air
In moisture, then through carbon dioxide filter inhale layer 2 absorb the carbon dioxide in air, prevent carbon dioxide carbonating alkaline electrolysis
Liquid；Afterwards, entering catalytic active layer 4 through the nickel screen afflux conductive mesh 3 of 60 mesh, catalytic active layer 4 adsorbs the oxygen in air,
Electrode reaction is there is under catalyst action.After tested under conditions of gas concentration lwevel is 18%, 1g Lithium metasilicate is per minute to be inhaled
Receiving the carbon dioxide of 59mg, the life-span of electrode can improve 35%.
Embodiment 2: afflux conductive mesh 3 uses the copper mesh of 70 mesh, coats lithium silicate aqueous solution, is formed after drying in its both sides
Thickness is that layer 2, politef that waterproof ventilative layer 1 uses weight ratio to be 1:4.5 and acetylene black are inhaled in the carbon dioxide filter of 260 m
Mixing after rolling inhale outside layer 2 in carbon dioxide filter, waterproof ventilative layer 1 thickness is 0.1.5mm, and porosity is 82%；At opposite side
Layer 2 outer rolling catalytic active layer 4 is inhaled in carbon dioxide filter, and catalytic active layer is by catalyst, politef and catalyst carrier carbon
Black being mixed into, mixed weight is than for 3.7:1:5.5, and thickness is 0.3mm.Air, as working media, first passes through waterproof ventilative layer 1
Remove the moisture in air, then absorb the carbon dioxide in air through carbon dioxide filter suction layer 2, prevent carbon dioxide carbonating
Alkaline electrolyte；Afterwards, entering catalytic active layer 4 through the copper mesh afflux conductive mesh 3 of 70 mesh, catalytic active layer 4 adsorbs in air
Oxygen, under catalyst action occur electrode reaction.After tested under conditions of gas concentration lwevel is 20%, 1g Lithium metasilicate
The carbon dioxide of absorbable 67mg per minute, the life-span of electrode can improve 24%.
Embodiment 3: afflux conductive mesh 3 uses the titanium net of 80 mesh, coats lithium silicate aqueous solution, is formed after drying in its both sides
Thickness is that layer 2, politef that waterproof ventilative layer 1 uses weight ratio to be 1:5.5 and acetylene black are inhaled in the carbon dioxide filter of 400 m
Mixing after rolling inhale outside layer 2 in carbon dioxide filter, waterproof ventilative layer 1 thickness is 0.25mm, and porosity is 85%；At opposite side
Layer 2 outer rolling catalytic active layer 4 is inhaled in carbon dioxide filter, and catalytic active layer is by catalyst, politef and catalyst carrier carbon
Black being mixed into, mixed weight is than for 4.3:1:6.5, and thickness is 0.3mm.Air, as working media, first passes through waterproof ventilative layer 1
Remove the moisture in air, then absorb the carbon dioxide in air through carbon dioxide filter suction layer 2, prevent carbon dioxide carbonating
Alkaline electrolyte；Afterwards, entering catalytic active layer 4 through the titanium net afflux conductive mesh 3 of 80 mesh, catalytic active layer 4 adsorbs in air
Oxygen, under catalyst action occur electrode reaction.After tested under conditions of gas concentration lwevel is 25%, 1g Lithium metasilicate
The carbon dioxide of absorbable 86mg per minute, the life-span of electrode can improve 40%.
Claims (5)
1. a metal-air battery electrode with carbon dioxide filter suction layer, it is characterised in that: in the both sides of afflux conductive mesh
Surface-coated has carbon dioxide filter to inhale layer, and layer surface roll rolled with politef and acetylene black group are inhaled in the carbon dioxide filter in side
The waterproof ventilative layer become, the carbon dioxide at opposite side is filtered and is inhaled layer surface roll rolled with catalyst, politef and catalyst load
The catalytic active layer of body carbon black composition.
There is carbon dioxide filter the most as claimed in claim 1 and inhale the metal-air battery electrode of layer, it is characterised in that: waterproof
The politef of air-permeable layer and the mixed weight of acetylene black are than for 1:4.5～5.5, and thickness is 0.15～0.25mm, rolling and
The porosity become is 80%～85%.
There is carbon dioxide filter the most as claimed in claim 1 and inhale the metal-air battery electrode of layer, it is characterised in that: afflux
Conductive mesh be with the metallic conduction net of pore structure, mesh mesh number is 60 ~ 80.
There is carbon dioxide filter the most as claimed in claim 1 and inhale the metal-air battery electrode of layer, it is characterised in that: catalysis
The mixed weight ratio of catalyst, politef and catalyst carrier carbon black in layer active layer be 3.7～4.3:1:5.5～
6.5, thickness is 0.3mm.
There is carbon dioxide filter the most as claimed in claim 1 and inhale the metal-air battery electrode of layer, it is characterised in that: dioxy
Changing carbon filter suction layer uses the coating of Lithium metasilicate solution to be formed, and dried coating thickness is 150 m～400 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510865472.8A CN106207192A (en) | 2015-12-02 | 2015-12-02 | There is carbon dioxide filter and inhale the metal-air battery electrode of layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510865472.8A CN106207192A (en) | 2015-12-02 | 2015-12-02 | There is carbon dioxide filter and inhale the metal-air battery electrode of layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106207192A true CN106207192A (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510865472.8A Pending CN106207192A (en) | 2015-12-02 | 2015-12-02 | There is carbon dioxide filter and inhale the metal-air battery electrode of layer |
Country Status (1)
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| CN (1) | CN106207192A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013422A (en) * | 2021-03-05 | 2021-06-22 | 蔚蓝(广东)新能源科技有限公司 | Can adsorb CO2Metal-air battery positive electrode film and its preparing method |
| EP4101017A4 (en) * | 2020-02-06 | 2023-08-02 | Bar Ilan University | <sup2/>? <sub2/>?x?method for production of lisi <ns1:sub>y</ns1:sub>?o <ns2:sub>z</ns2:sub>?coatings using a single source for li and si and resultant coated products |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450677A (en) * | 2002-07-31 | 2003-10-22 | 吉林省华成新能源电控有限公司 | Air electride |
| US20050271932A1 (en) * | 2004-06-02 | 2005-12-08 | Nan Ya Plastics Corporation | Air cathode having multiple layered sintering structure and its process for producing the same |
| CN101696015A (en) * | 2009-10-26 | 2010-04-21 | 昆明理工大学 | Method for preparing lithium silicate serving as high-temperature CO2 absorbing material |
| CN104518223A (en) * | 2013-09-30 | 2015-04-15 | 西安福安创意咨询有限责任公司 | Air electrode of zinc-air battery |
-
2015
- 2015-12-02 CN CN201510865472.8A patent/CN106207192A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450677A (en) * | 2002-07-31 | 2003-10-22 | 吉林省华成新能源电控有限公司 | Air electride |
| US20050271932A1 (en) * | 2004-06-02 | 2005-12-08 | Nan Ya Plastics Corporation | Air cathode having multiple layered sintering structure and its process for producing the same |
| CN101696015A (en) * | 2009-10-26 | 2010-04-21 | 昆明理工大学 | Method for preparing lithium silicate serving as high-temperature CO2 absorbing material |
| CN104518223A (en) * | 2013-09-30 | 2015-04-15 | 西安福安创意咨询有限责任公司 | Air electrode of zinc-air battery |
Non-Patent Citations (1)
| Title |
|---|
| 周春森: "锌-空气电池催化剂的制备及其性能的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4101017A4 (en) * | 2020-02-06 | 2023-08-02 | Bar Ilan University | <sup2/>? <sub2/>?x?method for production of lisi <ns1:sub>y</ns1:sub>?o <ns2:sub>z</ns2:sub>?coatings using a single source for li and si and resultant coated products |
| CN113013422A (en) * | 2021-03-05 | 2021-06-22 | 蔚蓝(广东)新能源科技有限公司 | Can adsorb CO2Metal-air battery positive electrode film and its preparing method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |