CN109860515A - The preparation method of flexible alkaline primary battery anode - Google Patents
The preparation method of flexible alkaline primary battery anode Download PDFInfo
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- CN109860515A CN109860515A CN201811552099.0A CN201811552099A CN109860515A CN 109860515 A CN109860515 A CN 109860515A CN 201811552099 A CN201811552099 A CN 201811552099A CN 109860515 A CN109860515 A CN 109860515A
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Abstract
The preparation method of claimed flexibility alkaline primary battery anode, include the following steps: that (1) prepares current collector, (2) prepared by electrode, weighing weight percent respectively is 70%~90% active material, 1%~25% conductive agent, 0~10% additive and 1%~10% binder are as raw material, above-mentioned raw materials are dissolved in again in the solvent of 1~20 times of raw material weight, it is stirred decentralized processing, finally carry out viscosity adjusting, it is spare as electrode composition, (3) current collector is then heated to 70 DEG C~100 DEG C, electrode composition is coated on the current collector, smear or electrode foil is made in roll-in, finally carry out drying and processing.The positive electrode of the preparation process production of flexible alkaline primary battery of the invention, all parts have relatively high flexibility, its overall flexibility, and the performance compared with other types alkaline primary battery of the chemical property after bending is close, and can still retain 90% or more initial capacity after bending 100 times.
Description
Technical field
The invention belongs to battery working process technical fields, and in particular to the preparation side of flexible alkaline primary battery anode
Method.
Background technique
In recent years, the electronic product of flexible portable such as can takeup type display screen, flexible liquid crystal screen and Grazing condition can
The it is proposed of the concepts such as wearing electronic equipment not only causes the interest and expectation of the majority of consumers, has more caused researcher pair
The research boom of flexible electronic technology.Flexible power unit in flexible electronic technology is powered main next as electronic product
There are zinc-manganese one-shot battery, zinc lithium primary battery, lithium ion secondary battery, silver-colored zinc secondary cell and supercapacitor in source.
Nano material refers to that at least one dimension is in nano-scale (0.1-100nm) or by their conducts in three dimensions
The material that basic unit is constituted, this is about as much as the scale that 10~100 atoms are arranged closely together.
Alkaline battery is successful high capacity type dry cell, and one of the battery of the tool ratio of performance to price.Alkaline battery be with
Manganese dioxide is anode, and zinc is cathode, and potassium hydroxide is electrolyte.Electrode material as alkaline primary battery major part,
Material flexibility turns to the indispensable characteristic of flexible alkaline primary battery product institute.The electrode of flexibility is mainly by macromolecule
Nanofiber as matrix, carbon material of the nanoscale electrolytic manganese dioxide material as active material and based on graphite as
Conductive material is attached to jointly on nanometer matrix, forms flexible composite electrode material.Flexible alkaline primary battery is a plane
Five-layer structure design, containing current collector, electrode, glue electrolyte material, all materials used are flexible material,
The synthesis of flexible three flexible main portions of alkaline primary battery, preparation process are also most important.There is presently no one kind to be applicable in
In flexible alkaline primary battery main structure or the preparation process of electrode material.
Summary of the invention
In view of the above problems in the prior art, the present invention provides one kind to be suitable for flexible alkaline primary battery anode portion
Preparation process.
In order to achieve the above objectives, the present invention use following technical scheme, the preparation method of flexible alkaline primary battery anode,
Include the following steps:
(1) current collector is prepared, current collector is prepared according to final products characteristic selection；
(2) prepared by electrode, and weighing weight percent respectively is 70%~90% active material, 1%~25% conductive agent, 0
~10% additive and 1%~10% binder are dissolved in 5~20 times of raw material weights as raw material, then by above-mentioned raw materials
In solvent, it is stirred decentralized processing, finally carries out viscosity adjusting, it is spare as electrode composition,
(3) current collector is then heated to 70 DEG C~100 DEG C, electrode composition is coated on the current collector,
Smear or electrode foil is made in roll-in, finally carries out drying and processing.
In optimal technical scheme of the present invention, the current collector selected in step (1) is less than the metal of 0.2mm for thickness
Film, preferably metallic netted structural, more preferably stainless steel nethike embrane, and sizing grid is between 1mm~5mm；Or electric current
Collector is coated on carbonaceous conductive cloth by conductive glue, conductive coating and is made.
In optimal technical scheme of the present invention, the active material is electrolytic manganese dioxide (EMD), and conductive agent is selected from conductive charcoal
The excellent carbon material of the electric conductivities such as black, expanded graphite.
In optimal technical scheme of the present invention, the additive is carbon nanomaterial, and the carbon nanomaterial includes but unlimited
In multi-walled carbon nanotube, single-walled carbon nanotube, functionalized carbon nano-tube, single-layer graphene, multi-layer graphene, carbon nano-fiber
It is one or more.
In optimal technical scheme of the present invention, the binder includes but is not limited to Kynoar, carboxymethyl cellulose, benzene
One of ethylene-butadiene-styrene, polytetrafluoroethylene polymer are a variety of.
In optimal technical scheme of the present invention, in step (2), N- first of the dissolution of raw material in 5~20 times of raw material weights
In base pyrrolidones or distilled water.
In optimal technical scheme of the present invention, in step (3), the painting thickness that electrode composition is coated on the current collector
Degree is 5 μm~300 μm.
The preparation method of flexible alkaline primary battery anode, includes the following steps:
(1) prepared by current collector, selects current collector according to final products characteristic；
(2) prepared by electrode, and weighing weight percent respectively is 70%~90% active material, 1%~25% conductive agent, 0
~10% additive and 1%~10% binder are dissolved in 5~20 times of raw material weights as raw material, then by above-mentioned raw materials
It among N-Methyl pyrrolidone or distilled water, and carries out being dispersed with stirring processing, finally carries out viscosity adjusting, closed as electrode
Agent is spare,
(3) current collector is then heated to 70 DEG C~100 DEG C, by way of scraper smearing, electrode composition is coated in
On the current collector, is smeared repeatedly or roll-in is to be directly prepared into electrode foil, 5 μm~300 μ m thicks are made
Coating, carry out drying and processing in 70 DEG C of baking ovens.
The positive electrode of the preparation process production of flexible alkaline primary battery of the invention, all parts have relatively
High flexibility, and can arbitrarily be bent.Its overall flexibility, and chemical property and other types alkali primary after bending
Battery compares performance and approaches, and can still retain 90% or more initial capacity after bending 100 times.
Specific embodiment
The technical solution in the present invention is clearly and completely described combined with specific embodiments below, it is clear that described
Embodiment be only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ability
Domain those of ordinary skill every other embodiment obtained without making creative work, belongs to guarantor of the present invention
The range of shield.
Embodiment 1
Use the raw material that mass percent is following: 80% electrolytic manganese dioxide is used as and leads as active material, 11% carbon black
Electric agent, 9% Kynoar are put into as binder and carry out dissolution process in the N-Methyl pyrrolidone of 10 times of weight ratios,
It is carried out high-speed stirred decentralized processing 30 minutes using homogenizer or ultrasonication instrument, is used as electrode composition after adjusting viscosity,
Then the stainless steel nethike embrane of 0.1mm is heated to 80 DEG C, and viscosity is adjusted into perfect electrode composition and passes through scraper smearing side
Formula is smeared repeatedly on stainless steel nethike embrane, is put into 80 DEG C of drying in oven processing later, is passed through roller process system after the completion of drying
At the electrode of 180 μ m thick coatings.
Embodiment 2
Use the raw material that mass percent is following: 70% electrolytic manganese dioxide (EMD) is made as active material, 15% carbon black
For conductive agent, 10% graphene platelet puts into 10 times of weight ratios as binder as additive, 5% Kynoar
Dissolution process is carried out in N-Methyl pyrrolidone, is carried out high-speed stirred decentralized processing 30 using homogenizer or ultrasonication instrument and is divided
Clock is used as electrode composition after adjusting viscosity, the stainless steel nethike embrane that sizing grid is 2mm is then heated to 80 DEG C, and will glue
Consistency adjusts perfect electrode composition and is smeared repeatedly on stainless steel nethike embrane by way of scraper smearing, is put into 80 DEG C of baking ovens later
The electrode of 100 μ m thick coatings is made in interior drying and processing.
Embodiment 3
Use the raw material that mass percent is following: 80% electrolytic manganese dioxide (EMD) is made as active material, 2% carbon black
For conductive agent, 10% carbon nanotube is thrown as additive, 8% s-B-S polymer as binder
The distilled water entered to 10 times of weight ratios carries out dissolution process, is carried out at high-speed stirred dispersion using homogenizer or ultrasonication instrument
Reason 30 minutes is used as electrode composition after adjusting viscosity, and the stainless steel nethike embrane that sizing grid is 2mm is then heated to 80 DEG C,
And viscosity is adjusted into perfect electrode composition by way of scraper smearing and is smeared repeatedly on stainless steel nethike embrane, it is put into 80 later
The processing of DEG C drying in oven, is made the electrode of 220 μ m thick coatings.
Embodiment 4
Use the raw material that mass percent is following: 80% electrolytic manganese dioxide (EMD) is made as active material, 2% carbon black
For conductive agent, a small amount of distillation is added as binder as additive, 8% polytetrafluoroethylene polymer in 10% carbon nanotube
Water or dehydrated alcohol are diluted processing, are carried out high-speed stirred decentralized processing 30 minutes using homogenizer or ultrasonication instrument,
It is used as electrode composition after adjusting viscosity, is put into 80 DEG C of drying in oven processing.Finally use roll squeezer by the electrode material of drying
Material is rolled into the electrode of required thickness.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel only illustrate the present invention it should be appreciated that the present invention is not limited by examples detailed above described in examples detailed above and specification
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its is equal
Object defines.
Claims (10)
1. the preparation method of flexible alkaline primary battery anode, includes the following steps:
(1) current collector is prepared, current collector is prepared according to final products characteristic selection；
(2) electrode prepare, weigh respectively weight percent be 70%~90% active material, 1%~25% conductive agent, 0~
10% additive and 1%~10% binder are dissolved in the molten of 5~20 times of raw material weights as raw material, then by above-mentioned raw materials
In agent, it is stirred decentralized processing, finally carries out viscosity adjusting, it is spare as electrode composition,
(3) current collector is then heated to 70 DEG C~100 DEG C, electrode composition is coated on the current collector, carried out
It smears or electrode foil is made in roll-in, finally carry out drying and processing.
2. preparation method according to claim 1, which is characterized in that the current collector in step (1) is less than for thickness
The metal film of 0.2mm.
3. preparation method according to claim 2, which is characterized in that the metal film is metallic netted structural.
4. preparation method according to claim 1, which is characterized in that the current collector selected in step (1) is conduction
Glue, conductive coating are coated on carbonaceous conductive cloth and are made.
5. preparation method according to claim 1, which is characterized in that the active material is electrolytic manganese dioxide；It is described
Conductive agent is selected from conductive black, expanded graphite or combinations thereof.
6. preparation method according to claim 1, which is characterized in that the additive is carbon nanomaterial.
7. preparation method according to claim 1, which is characterized in that the binder is selected from Kynoar, carboxymethyl
One of cellulose, styrene-butadiene-styrene, polytetrafluoroethylene polymer are a variety of.
8. preparation method according to claim 1, which is characterized in that in step (2), the dissolution of raw material is at 5~20 times
In the N-Methyl pyrrolidone or distilled water of raw material weight.
9. preparation method according to claim 1, which is characterized in that in step (3), electrode composition is coated in electric current collection
Coating layer thickness on device is 5 μm~300 μm.
10. the flexible alkaline primary battery anode being prepared such as the described in any item methods of claim 1-9.
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| CN201811552099.0A CN109860515A (en) | 2018-12-19 | 2018-12-19 | The preparation method of flexible alkaline primary battery anode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564632A (en) * | 2020-05-20 | 2020-08-21 | 苏州柔能纳米科技有限公司 | Preparation method of electrode slurry for flexible battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587954A (en) * | 2008-06-11 | 2009-11-25 | 晟茂（青岛）能源替代产品研发有限公司 | Novel flexible thin-film battery and manufacturing method thereof |
| CN104882570A (en) * | 2015-06-11 | 2015-09-02 | 中银（宁波）电池有限公司 | Steel shell of alkaline zinc-manganese battery and alkaline zinc-manganese battery |
| CN107610941A (en) * | 2017-08-02 | 2018-01-19 | 苏州柔能纳米科技有限公司 | The preparation technology of flexible super capacitor agent structure |
-
2018
- 2018-12-19 CN CN201811552099.0A patent/CN109860515A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587954A (en) * | 2008-06-11 | 2009-11-25 | 晟茂（青岛）能源替代产品研发有限公司 | Novel flexible thin-film battery and manufacturing method thereof |
| CN104882570A (en) * | 2015-06-11 | 2015-09-02 | 中银（宁波）电池有限公司 | Steel shell of alkaline zinc-manganese battery and alkaline zinc-manganese battery |
| CN107610941A (en) * | 2017-08-02 | 2018-01-19 | 苏州柔能纳米科技有限公司 | The preparation technology of flexible super capacitor agent structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564632A (en) * | 2020-05-20 | 2020-08-21 | 苏州柔能纳米科技有限公司 | Preparation method of electrode slurry for flexible battery |
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Application publication date: 20190607 |