CN107482227A - Anode nano-composite mate-rial preparation method and magnesium-based inter cell - Google Patents
Anode nano-composite mate-rial preparation method and magnesium-based inter cell Download PDFInfo
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- CN107482227A CN107482227A CN201710684701.5A CN201710684701A CN107482227A CN 107482227 A CN107482227 A CN 107482227A CN 201710684701 A CN201710684701 A CN 201710684701A CN 107482227 A CN107482227 A CN 107482227A
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000011777 magnesium Substances 0.000 title claims abstract description 87
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 86
- 239000000463 material Substances 0.000 title claims abstract description 40
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 21
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920002994 synthetic fiber Polymers 0.000 claims abstract description 17
- 230000001936 parietal effect Effects 0.000 claims abstract description 12
- 239000006230 acetylene black Substances 0.000 claims abstract description 8
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 8
- JPILVNODWOLMNY-UHFFFAOYSA-N [Mg].Cl(=O)(=O)O Chemical compound [Mg].Cl(=O)(=O)O JPILVNODWOLMNY-UHFFFAOYSA-N 0.000 claims abstract description 7
- NNNSKJSUQWKSAM-UHFFFAOYSA-L magnesium;dichlorate Chemical compound [Mg+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O NNNSKJSUQWKSAM-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- 239000011812 mixed powder Substances 0.000 claims abstract description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 13
- 229920002554 vinyl polymer Polymers 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 abstract description 2
- 229940005991 chloric acid Drugs 0.000 abstract description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 7
- 239000000843 powder Substances 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229920002521 macromolecule Polymers 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- QFGIVKNKFPCKAW-UHFFFAOYSA-N [Mn].[C] Chemical compound [Mn].[C] QFGIVKNKFPCKAW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- LQHZJYFIRFRDKF-UHFFFAOYSA-N gold magnesium Chemical compound [Mg].[Au] LQHZJYFIRFRDKF-UHFFFAOYSA-N 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8652—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites as mixture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
-
- 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
- H01M4/88—Processes of manufacture
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Hybrid Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The present invention discloses a kind of anode nano-composite mate-rial preparation method and magnesium-based inter cell, including：Prepare 3~12 parts of magrons, 30~70 parts of manganese dioxide, 3~12 parts of activated carbons, 1~5 part of acetylene black and parietal layer CNT more than 1~15 part in parts by weight；Ready magron is added in deionized water and is configured to chloric acid magnesium solution；Ready manganese dioxide, activated carbon, acetylene black, more parietal layer CNTs are mixed and stirred for 1~2 hour；Chloric acid magnesium solution is added in mixed-powder, stirred 3~4 hours, progress is fully dispersed, obtains well mixed synthetic material；Synthetic material is dried 1~2 hour under 80~95 degrees celsius and obtains magnesium-based inter cell positive pole nano-composite mate-rial.Further dried synthetic material is ground, obtains the nano-composite mate-rial that granular size is 380~450 mesh.
Description
Technical field
The present invention relates to cell art, more particularly to a kind of magnesium-based battery.
Background technology
The increase of consumption and the quickening of process of industrialization, the whole world are increasingly increased to the demand of the energy along with people,
A large amount of consumption of non-renewable energy resources, make its reserves drastically reduce, and environmental pollution becomes increasingly conspicuous with the problem of energy shortage.Research
Turn into every country with the green energy resource of development more clean and effective and solve the important of the energy, environment, society and economic problems
Means.Magnesium air cell is used as negative pole by the use of the oxygen in air as positive pole electrochemical reaction active material using magnesium metal
Electrochemical reaction active material, there is energy density height, aboundresources, reactivity material green non-pollution, recognized
For one of one preferred technique of the conversion of electric energy from now on and large scale storage.
Magnesium-based normal cell is extended down to the catalysis diaphragm technology in magnesium air cell, and the design in combination with normal cell merges
.Magnesium air cell is mainly made up of positive pole, negative pole and electrolyte, wherein, positive pole is generally by diffusion layer, collector and catalysis
Layer is formed, negative pole generally use magnesium plate, magnesium rod or magnesium ingot etc..At present, magnesium air cell can be applied to be used for sea marker boat
Beacon light and fishing boat power supply, it is also possible to make temporary traffic signal, on sea or island the energy provide, field geology exploration, the Big Dipper
Medical treatment energy etc. when navigation equipment, the field communicating machine energy, wartime or disaster, can also war preparedness or civil administration etc. be used as to lay in
Stand-by power supply.At present, used magnesium air cell is mostly using magnesium plate as electrode, during it must be added in use
For property electrolyte solution such as salt solution or seawater, the one of advantage of magnesium air cell is can be in the state of electroless liquid
Under can be stored with ultra-long time.
Magnesium alloy is preferable battery anode material.But because magnesium alloy electrochemical properties excessively vivaciously make galvanic anode
Series of negative effect can be produced during material for example：Voltage delay.In addition, the presence of impurity element causes self-corrosion in magnesium alloy
Reaction generation Mg (OH)2Passivating film, magnesium alloy anode activity is inhibited to continue to react in chemical reaction process.Therefore, improve
Magnesium base alloy anode material utilization rate is the difficult point in battery applications, and it is to change high molecule nano material to solve its key problem in technology
Synthesis come increase the electric discharge capacity output of magnesium-based dry cell and improve voltage output reaction speed.
A kind of magnesium air cell as disclosed in Chinese patent application the 201210541769.5th, including carbon-point, magnesium cylinder, just
Pole composite powder, inner septum paper, outer diaphragm paper, air cathode shell, shell, water accepting layer, bottom bowl paper, false bottom, vinyl cover and retainer plate.
Wherein, bowl paper in bottom is located at the bottom of magnesium cylinder, and the medial surface of magnesium cylinder is provided with inner septum paper, and outside is provided with outer diaphragm paper, in magnesium barrel chamber
Fill positive pole composite powder；Shell one end open, magnesium jacket casing are placed in enclosure cavity；The body normal insertion positive pole composite powder of carbon-point
In, and its one end is stretched out outside shell aperture；Water accepting layer is overlying on positive pole composite powder surface；Air cathode shell is wrapped in outer diaphragm paper
Outside；Shell is buckled in outside air cathode shell, forms air chamber；Retainer plate is set between magnesium cylinder bottom and the inwall of shell；Vinyl cover
The top of air cathode shell is placed in, and is embedded in shell aperture.However, the positive powder for the magnesium air cell that the patent application discloses
Material is formed by the transformation of common carbon manganese cell, and constant current (30MA) continuous discharge testing time of low current is short, battery capacity is low, and
It was found that occurring the problem of housing explosion in life test, can not meet the needs of current electric equipment is to the energy.
The a kind of of the and for example announcement of Chinese patent application the 201010250018.9th is made up of the raw material that can be readily available
Magnesium air cell, form as follows：The Mg alloy sheets that 2 have compound current collection layer are positioned by vertical of plate face, it is multiple
Intersection electric layer is by the conductive metal layer that is bonded in a manner of covering side plate face and whole end faces and is formed on
Insulative resin layer form, and so that compound current collection layer it is opposite form overlapping, the conductive gold in each Mg alloy sheets
Negative terminal is installed on category layer, winds electrolyte solution around applications as laminates in addition and keeps thin plate, and kept in electrolyte solution
The periphery winding carbon fiber sheet of thin plate, while positive terminal is installed on carbon fiber sheet.However, what the patent application disclosed
Magnesium air cell is not the battery that water filling uses, and negative plate easily occurs during storage, it is difficult to realize long-time storage.
For another example a kind of magnesium metal-air battery of No. 201010250018.9 announcement of Chinese patent application, possesses at least one
Individual basic battery unit.Basic battery unit includes：Negative pole, negative pole are made up of magnesium or magnesium alloy；Positive electrode collector, positive pole current collections
Body is opposed with negative pole, is constructed from a material that be electrically conducting；Positive electrode-side catalyst layer, positive electrode-side catalyst layer are stacked on positive electrode collector
On the face of negative side, at least contain：Activated carbon, anhydrous polyvalent carboxylic acid as the oxygen in the absorption air of positive active material
Salt, manganese and metal powder；And separating component, separating component are arranged between negative pole and positive electrode-side catalyst layer, allow ion
By, and negative pole and positive electrode-side catalyst layer are separated；In use, by least positive electrode-side catalyst layer added with water or
The metal chloride aqueous solution, to produce electromotive force between positive electrode collector and negative pole.However, the magnesium gold that the patent application discloses
Category air cell can not solve the problems such as constant current (30MA) continuous discharge testing time in low current is short, battery capacity is low.
Therefore it provides a kind of battery capacity is big, product is environment friendly and pollution-free and the magnesium inter cell and its system that can store for a long time
Preparation Method turns into the process of industrialization urgent problem for promoting magnesium-based air cell, and has the industry of special requirement required
Product.
The content of the invention
It is an object of the invention to provide a kind of battery capacity is big, product is environment friendly and pollution-free, has ultra-long time preservation and height concurrently
The magnesium-based air cell of energy storage.
According to an aspect of the present invention, there is provided a kind of anode nano-composite mate-rial preparation method, including：(1) press
Parts by weight prepare 3~12 parts of magrons, 30~70 parts of manganese dioxide, 3~12 parts of activated carbons, 1~5 part of acetylene black and 1~
Parietal layer CNT more than 15 parts；(2) ready magron is added in deionized water and is configured to chloric acid magnesium solution；(3) will
Ready manganese dioxide, activated carbon, acetylene black, more parietal layer CNTs are mixed and stirred for 1~2 hour；(4) it is magron is molten
Liquid is added in the mixed-powder of step (3), is stirred 3~4 hours, and progress is fully dispersed, obtains well mixed synthetic material；With
And synthetic material is obtained magnesium-based inter cell positive pole in dry 1~2 hour under 80~95 degrees celsius and synthesized with nanometer by (5)
Material.
Selectively, further dried synthetic material is ground, it is 380~450 purposes to obtain granular size
Nano-composite mate-rial.
Selectively, 5~10 parts of magrons, 40~60 parts of manganese dioxide, 5~10 are prepared in step (1) in parts by weight
Part activated carbon, 1~3 part of acetylene black and parietal layer CNT more than 3~10 parts.
Selectively, ready magron is added in deionized water in step (2) be configured to concentration for 56%~
72% chloric acid magnesium solution.
Selectively, the number of plies of the more parietal layer CNTs prepared in step (1) is 20~40 layers, and interlamellar spacing is 0.34 scholar
0.01 μm, a diameter of 2~30nm and length are respectively and 0.1~50 μm.
Selectively, the stirring operation in step (3), step (4) is carried out in mixer.
Selectively, tile synthetic material when processing is dried in synthetic material in step (5) uniformly thickness in vessel
Degree is heated evenly with material.Drying process can be carried out in an oven.
According to another aspect of the present invention, there is provided one kind is received using anode nano-composite mate-rial preparation method gained
The magnesium-based inter cell of rice synthetic material, including：The shell of one end open, the magnesium cylinder being placed on inside enclosure cavity, it is placed in magnesium
Carbon-point and air cathode shell inside cylinder, air cathode shell cladding magnesium cylinder, the medial surface of magnesium cylinder are provided with inner septum paper, magnesium cylinder
Lateral surface is provided with outer diaphragm paper, and shell is buckled in outside air cathode shell and air chamber is formed between air cathode shell, in magnesium barrel chamber
Filled with nano-composite mate-rial, one end of carbon-point is inserted perpendicularly into nano-composite mate-rial, and the other end of carbon-point stretches out opening for shell
Mouth end, the external part of carbon-point are arranged with the block being connected with magnesium cylinder.
Selectively, the retainer plate being arranged between magnesium cylinder top and the inwall of shell is further comprised.
Selectively, the vinyl cover for being placed in the top of retainer plate is further comprised, vinyl cover is chimeric with the openend of shell,
Vinyl cover is provided with least one water injection hole and at least one air-vent.
Selectively, vinyl cover is provided with least two groups of air-vents, and every group of air-vent includes at least two air-vents.
Selectively, one layer of absorbent wool is covered with the nano-composite mate-rial inside magnesium cylinder.
Preferably, absorbent wool is macromolecule water uptake cotton.Its medium can be macromolecule water uptake cotton paper, while be also prevented from nanometer
The spilling of synthetic material.
Selectively, the inner septum paper of magnesium cylinder medial surface uses reserve battery paper wood.
Selectively, block is metal nut cap.
Selectively, the lateral wall of shell posts insulation paster to prevent magnesium-based inter cell is met with during storage from touching
Hit and cause short circuit.
The beneficial effects of the invention are as follows：(1), magnesium-based inter cell of the invention using when untie the protection diaphragm of outside simultaneously
After water filling activation, wait 3 minutes water to be used immediately after uniformly seeing through nano-composite mate-rial, preserved under conditions of sealing is dried
When chemical attack does not occur, there is good storge quality；(2), magnesium-based inter cell of the invention directly injects from water injection hole
Clear water, nano-composite mate-rial is entered by macromolecule water uptake cotton layer, reaction generation electric power is produced by diaphragm paper and magnesium cylinder,
Within the regular hour and for several times water can be added to extend the reaction time, while be also prevented from the spilling of nano-composite mate-rial；(3), this hair
The magnesium cylinder of bright magnesium-based inter cell has the inner septum paper of reserve battery as positive pole on the inside of magnesium cylinder, can prevent magnesium cylinder cylinder with
Air contact and oxide etch surface；(4), the preparation technology of magnesium-based inter cell of the invention is simple, water filling can be used, carry
Electric discharge uniformity when high battery uses, it is adapted to low discharging current, can directly substitutes the normal cell of market sale.
Brief description of the drawings
Fig. 1 is the structural representation of the magnesium-based inter cell of the present invention.
Fig. 2 is Fig. 1 partial enlarged drawing.
Fig. 3 is the magnesium-based inter cell 30MA of present invention constant-current discharge test chart.
Fig. 4 is the magnesium-based inter cell 100MA of present invention constant-current discharge test chart.
Embodiment
According to a kind of non-limiting embodiment of the present invention, there is provided a kind of anode nano-composite mate-rial preparation side
Method, including step are as follows.
Step S1：Prepare 8 parts of magrons, 50 parts of manganese dioxide, 8 parts of activated carbons, 3 parts of acetylene blacks and layer in parts by weight
Number is 20~40 layers of 10 parts of more parietal layer CNTs；
Step S2：It is 60% chloric acid magnesium solution that ready magron, which is added in deionized water, and is configured to concentration；
Step S3：Ready manganese dioxide, activated carbon, acetylene black, more parietal layer CNTs are put into mixer and mixed
Close stirring 2 hours；
Step S4：Chloric acid magnesium solution is added in the mixed-powder of step (3), continues to stir 3.5 hours in mixer,
Carry out fully dispersed, obtain well mixed synthetic material；
Step S5：Synthetic material is made thinner and is laid in vessel and is put into baking oven, it is small that 1 is dried under about 90 degrees celsius
When obtain magnesium-based inter cell positive pole nano-composite mate-rial.
Step S6：Synthetic material after mill-drying, obtain the nano-composite mate-rial that granular size is about 420 mesh.
As shown in Figure 1 and Figure 2, using the magnesium-based of nano-composite mate-rial obtained by anode nano-composite mate-rial preparation method
Inter cell, including：The shell 4 of one end open, the magnesium cylinder 12 for being placed on the inside cavity of shell 4, the carbon being placed in inside magnesium cylinder 12
Rod 8 and air cathode shell 13, air cathode shell 13 coat magnesium cylinder 12, and the medial surface of magnesium cylinder 12 is provided with inner septum paper 6, magnesium cylinder 12
Lateral surface be provided with outer diaphragm paper (not shown), it is outer and formed between air cathode shell empty that shell 4 is buckled in air cathode shell 13
Air chamber 5.Retainer plate 10 is provided between the top of magnesium cylinder 12 and the inwall of shell 4, the top of retainer plate 10 is arranged vinyl cover 3.
Vinyl cover 3 is chimeric with the openend of shell 4, the two groups of air-vents provided with least one water injection hole 2 and less of vinyl cover 3, every group
Air-vent includes two air-vents.The lateral wall of shell 4 posts insulation paster 11 to prevent magnesium-based inter cell in storage process
Middle experience collision causes short circuit.
The intracavitary of magnesium cylinder 12 is filled with nano-composite mate-rial 7, and one end of carbon-point 8 is inserted perpendicularly into nano-composite mate-rial 7, carbon-point
8 other end stretches out the openend of shell 4, and the external part of carbon-point 8 is arranged with the metal nut cap 1 being connected with magnesium cylinder 12.Magnesium cylinder 12
The macromolecule water uptake cotton paper 9 of one layer of spilling for preventing nano-composite mate-rial 7 is covered with internal nano-composite mate-rial 7.
In the non-limiting embodiment, the inner septum paper of the medial surface of magnesium cylinder 12 uses reserve battery paper wood.
Although the preferred embodiment of the present invention has been described in detail herein, it is to be understood that the invention is not limited in this
In the concrete structure being described in detail and show and step, without departing from the spirit and scope of the present invention can be by this area
Technical staff realize other modifications and variant.In addition, the parameter such as temperature, concentration or time in the present invention can be according to tool
Body use condition is suitably chosen in scope disclosed in this invention.
Claims (10)
- A kind of 1. anode nano-composite mate-rial preparation method, it is characterised in that including：(1) 3~12 parts of magrons, 30~70 parts of manganese dioxide, 3~12 parts of activated carbons, 1~5 part of acetylene are prepared in parts by weight Black and parietal layer CNT more than 1~15 part；(2) ready magron is added in deionized water and is configured to chloric acid magnesium solution；(3) ready manganese dioxide, activated carbon, acetylene black, more parietal layer CNTs are mixed and stirred for 1~2 hour；(4) chloric acid magnesium solution is added in the mixed-powder of step (3), stirred 3~4 hours, progress is fully dispersed, is mixed Uniform synthetic material；And(5) synthetic material was obtained into magnesium-based inter cell positive pole in dry 1~2 hour under 80~95 degrees celsius to be closed with nanometer Into material.
- 2. anode nano-composite mate-rial preparation method as claimed in claim 1, it is characterised in that after further drying Synthetic material be ground, obtain granular size be 380~450 mesh nano-composite mate-rial.
- 3. anode nano-composite mate-rial preparation method as claimed in claim 1, it is characterised in that by weight in step (1) Measure number and prepare 5~10 parts of magrons, 40~60 parts of manganese dioxide, 5~10 parts of activated carbons, 1~3 part of acetylene black and 3~10 The more parietal layer CNTs of part.
- 4. anode nano-composite mate-rial preparation method as claimed in claim 1, it is characterised in that accurate in step (1) The number of plies of standby more parietal layer CNTs is 20~40 layers.
- 5. anode nano-composite mate-rial preparation method as claimed in claim 1, it is characterised in that by standard in step (2) The magron got ready is added to the chloric acid magnesium solution for being configured to that concentration is 56%~72% in deionized water.
- 6. a kind of magnesium-based inter cell using the nano-composite mate-rial as obtained by any one of Claims 1 to 5 preparation method, bag Include：The shell of one end open, the magnesium cylinder being placed on inside the enclosure cavity, the carbon-point and air being placed in inside the magnesium cylinder Anode cover, the air cathode shell coat the magnesium cylinder, and the medial surface of the magnesium cylinder is provided with inner septum paper, the outside of the magnesium cylinder Face is provided with outer diaphragm paper, and the shell is buckled in outside the air cathode shell and forms air chamber between the air cathode shell, Characterized in that, being filled with the nano-composite mate-rial in the magnesium barrel chamber, one end of the carbon-point is inserted perpendicularly into the nanometer In synthetic material, the other end of the carbon-point stretches out the openend of the shell, the external part of the carbon-point be arranged with it is described The block of magnesium cylinder connection.
- 7. magnesium-based inter cell as claimed in claim 6, it is characterised in that further comprise being arranged at the magnesium cylinder top and Retainer plate between the inwall of the shell.
- 8. magnesium-based inter cell as claimed in claim 7, it is characterised in that further comprise the top for being placed in the retainer plate Vinyl cover, the vinyl cover is chimeric with the openend of the shell, and the vinyl cover is provided with least one water injection hole and extremely A few air-vent.
- 9. magnesium-based inter cell as claimed in claim 8, it is characterised in that the vinyl cover is breathed freely provided with least two groups Hole, every group of air-vent include at least two air-vents.
- 10. magnesium-based inter cell as claimed in claim 6, it is characterised in that the nanometer synthesis material inside the magnesium cylinder Material is covered with one layer of absorbent wool above.
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| CN112002945A (en) * | 2020-10-28 | 2020-11-27 | 深圳市寒暑科技新能源有限公司 | Solid-state flexible battery, preparation method and use method |
| CN115472856A (en) * | 2022-09-05 | 2022-12-13 | 嘉兴中科轻合金技术工程中心 | Magnesium water-resistant primary environment-friendly battery and production process thereof |
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