CN206505838U - Prepare the device and electrode of the electrode of super capacitor with high compacted density - Google Patents
Prepare the device and electrode of the electrode of super capacitor with high compacted density Download PDFInfo
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- CN206505838U CN206505838U CN201720213913.0U CN201720213913U CN206505838U CN 206505838 U CN206505838 U CN 206505838U CN 201720213913 U CN201720213913 U CN 201720213913U CN 206505838 U CN206505838 U CN 206505838U
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- 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
- Y02E60/13—Energy storage using capacitors
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Abstract
The utility model provides a kind of device and electrode for preparing the electrode of super capacitor with high compacted density, described device includes hot mixing device, it includes a charging aperture and a discharging opening, electrode material is put into from charging aperture, it is placed in hot mixing device and is mixed, the sticking solid state electrode mixing material of tool is formed, solid state electrode mixing material is discharged from discharging opening；First rolling device has two the first pressure rollers being oppositely arranged, the discharging opening of hot mixing device is towards between two the first pressure rollers, solid state electrode mixing material carries out preliminary roll-in by two first pressure rollers, and being formed has one first distance between primary electrical pole piece, two the first pressure rollers；Second rolling device, with two the second pressure rollers being oppositely arranged, it is relative with the charging of the second rolling device at the discharging of first rolling device, primary electrical pole piece passes through two second pressure rollers, form thin-film electro pole piece, there is second distance, the diameter of the first pressure roller is less than the diameter of the second pressure roller, and the first distance is more than second distance between two the second pressure rollers.
Description
Technical field
The utility model is related to the preparation field of electrode of super capacitor, more particularly to one kind is prepared with high compacted density
Electrode of super capacitor device and electrode.
Background technology
Ultracapacitor is a kind of new and effective electrochemical energy storing device between traditional capacitor and chemical cell,
Because have the advantages that fast charge-discharge velocity, operating temperature range wide (- 40~70 DEG C), service life cycle length (1,000,000 times) and
Successfully it is widely used in urban public transport (such as city electric bus, energy storage type tramcar and subway energy regenerating system
System etc.), wind-power electricity generation, heavy-duty machinery (such as port machine potential energy feedback system), consumable electronic product (such as computer, smart mobile phone
Deng) and space flight military industry field, become a kind of new high-tech industry with national strategy meaning.
Electrode is the important component of ultracapacitor, is to play one of critical component of its performance.At present, super electricity
The preparation method of container electrode mainly has two kinds, and a kind of is that dry method electrode preparation method using Maxwell as representative is (i.e. so-called
Dry technique), another is the wet method electrode (i.e. so-called Wet technique) being made up of modes such as coatings.Due to dry method electricity
Extremely directly electrode material dry state is mixed, therefore no liquid solvent in manufacturing process, will not form cavity, be conducive to during baking
The electrode being eventually fabricated has high compacted density (0.60g/cm3Or more).But this technology is monopolized by Maxwell for a long time,
Ins and outs are not disclosed.(water is organic molten because electrode fabrication process introduces liquid flux for another Wet technique
Agent), the electrode compacted density finally obtained is general in 0.55g/cm3Or it is following, so that the capacity for reducing system is played.Example
Such as, using wet processing make with Maxwell 3000F size identical capacitors, its actual capacity it is general 2800F or with
Under.
Therefore, a kind of new electrode preparation method is needed badly to prepare the electrode of super capacitor with high compacted density.
Utility model content
Technical problem to be solved in the utility model, which is to provide, a kind of prepares the ultracapacitor with high compacted density
The device and electrode of electrode, it can realize the continuous production of high compacted density electrode of super capacitor.
In order to solve the above problems, the utility model prepares the super capacitor electrode with high compacted density there is provided a kind of
The device of pole, including：One hot mixing device, including a charging aperture and a discharging opening, electrode material are put into from the charging aperture, put
Mixed in the hot mixing device, form the sticking solid state electrode mixing material of tool, the solid state electrode mixing material
From discharging opening discharge；One first rolling device, with two the first pressure rollers being oppositely arranged, the hot mixing device goes out
Material mouth is towards between two first pressure rollers, and solid state electrode mixing material passes through the first pressure roller described in two and carries out preliminary roll-in,
Being formed has one first distance between primary electrical pole piece, two first pressure rollers；One second rolling device, with being oppositely arranged
Two the second pressure rollers, with relative, primary electrical at the charging of second rolling device at the discharging of first rolling device
Pole piece passes through the second pressure roller described in two, and being formed has a second distance between thin-film electro pole piece, two second pressure rollers, described
The diameter of first pressure roller is less than the diameter of second pressure roller, and first distance is more than the second distance.
Further, the scope of first distance is 450 microns ~ 520 microns.
Further, the scope of the second distance is 100 microns ~ 110 microns.
Further, second pressure roller is Heating roll.
Further, the temperature of second pressure roller is 60 ~ 250 degrees Celsius.
The utility model also provides a kind of electrode prepared using above-mentioned device, and the compacted density scope of the electrode is
0.60~0.82g/cm3。
The utility model has the advantage of can be achieved the continuous production of high compacted density electrode of super capacitor, due to whole
Technological process is covered using from top to bottom, and mode from left to right greatly facilitates the control of product particle and qualitative control, significantly carried
High production efficiency and reduce electrode production manufacturing cost.Simultaneously as in production process no liquid solvent addition, this
Technology not only improves the compacted density of last shaped electrode, and to environment entirely without negative effect.
Brief description of the drawings
Fig. 1 is the structural representation for the device that the utility model prepares the electrode of super capacitor with high compacted density.
Embodiment
The dress of electrode of super capacitor of the preparation with high compacted density provided below in conjunction with the accompanying drawings the utility model
Put and the embodiment of electrode elaborates.
Referring to Fig. 1, the device that the utility model prepares the electrode of super capacitor with high compacted density is mixed including a heat
Expect that arrow show electrode trend in device 1, one first rolling device 2 and one second rolling device 3, figure.
The hot mixing device 1 includes a charging aperture 10 and a discharging opening 11.Electrode material is put into from the charging aperture 10,
It is placed in the hot mixing device 1 and is mixed, forms the sticking solid state electrode mixing material of tool, the solid state electrode mixing material
Material is discharged from the discharging opening 11.The electrode material can be to prepare the conventional material of electrode, such as solid in the prior art
Granulated activated material, powdery binding material and conductive agent.
First rolling device 2 has two the first pressure rollers 20 being oppositely arranged, the discharging opening of the hot mixing device 1
11 towards between two first pressure rollers 20 so that the solid state electrode mixing material discharged from the discharging opening 11 can directly be entered
Enter in the first rolling device 2 and carry out roll-in.Solid state electrode mixing material carries out preliminary roll-in, shape by the first pressure roller 20 described in two
Into primary electrical pole piece.Have one first between two first pressure rollers 20 apart from L1, between described two first pressure rollers 20
First apart from the thickness that L1 is follow-up primary electrical pole piece.Preferably, described first is 450 microns ~ 520 micro- apart from L1 scope
Rice.
Second rolling device 3 has two the second pressure rollers 30 being oppositely arranged, the discharging of first rolling device 2
Place is relative with the charging of second rolling device 3 so that the primary electrical discharged at the discharging of first rolling device 2
Pole piece is directly entered in the second rolling device 3 and carries out roll-in.Primary electrical pole piece passes through the second pressure roller 30 described in two, forms thin-film electro
Pole piece.Second pressure roller 30 is Heating roll, second pressure, and 30 temperature is 60 ~ 250 degrees Celsius.Two described second
There is the thickness that the second distance L2 between a second distance L2, two the second pressure rollers is subsequent thin film electrode slice between pressure roller
Degree.Preferably, the scope of the second distance L2 is 100 microns ~ 110 microns.
Preferably, the diameter of first pressure roller 20 is less than the diameter of second pressure roller 30, and described first is big apart from L1
In the second distance L2, and then the preliminary roll-in and fine roll-in to electrode material can be realized.
The utility model also provides a kind of electrode prepared using above-mentioned device, and the compacted density scope of the electrode is
0.60~0.82g/cm3。
The utility model method uses mixed roller integrated process by the quick hot pressing of mixed powder in electrode process is made
Into membrane electrode, centre is without using any liquid flux, then membrane electrode is adhered into collector forms height described in the utility model
The electrode of super capacitor of compacted density.
Course of work embodiment of the present utility model is set forth below.
Embodiment 1
It is 1100m to take specific surface area290 parts of/g activated carbon, 3 parts of CNT, 7 parts of starchy binder polytetrafluoroethylene (PTFE),
Under 70 DEG C of constant temperatures, its high-speed stirred is mixed simultaneously by mixing the hot mixing device in roller integrated equipment LRMxiP300
Sticky solid size is formed, it is 520 μm then to carry out roll-in first to form embryophoric membrane thickness by the first rolling device in equipment
Primary electrical pole piece, it is 110 μm of thin-film electro pole piece that primary electrical pole piece is hot pressed into thickness finally by the second rolling device, will
Thin-film electro pole piece is bonded on 20 μm of aluminium foils containing conductive gel coating, is heating and curing in the constant temperature oven between 120 DEG C,
Final high compacted density electrode of super capacitor is can obtain, whole production process is from top to bottom, continuous to produce, the compacting of electrode
Density 0.60g/cm3。
Embodiment 2
It is 1600m to take specific surface area288 parts of/g activated carbon, 5 parts of conductive carbon black, 7 parts of starchy binder polytetrafluoroethylene (PTFE),
Under 60 DEG C of constant temperatures, its high-speed stirred is mixed simultaneously by mixing the hot mixing device in roller integrated equipment LRMxiP300
Sticky solid size is formed, it is 450 μm then to carry out roll-in first to form embryophoric membrane thickness by the first rolling device in equipment
Primary electrical pole piece, it is 100 μm of thin-film electro pole piece that embryophoric membrane is hot pressed into thickness finally by the second rolling device, by thin-film electro
Pole piece is bonded on 20 μm of aluminium foils containing conductive gel coating, is heating and curing in the constant temperature oven between 120 DEG C, you can
To final high compacted density electrode of super capacitor, whole production process from top to bottom, is continuously produced, the compacted density of electrode
0.65g/cm3。
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
Art personnel, on the premise of the utility model principle is not departed from, can also make some improvements and modifications, these improvements and modifications
Also it should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of device for preparing the electrode of super capacitor with high compacted density, it is characterised in that including：
One hot mixing device, including a charging aperture and a discharging opening, electrode material are put into from the charging aperture, are placed in the hot batch mixing
Mixed in device, form the sticking solid state electrode mixing material of tool, the solid state electrode mixing material is from the discharging
Mouth discharge；
One first rolling device, with two the first pressure rollers being oppositely arranged, the discharging opening of the hot mixing device is towards two
Between first pressure roller, solid state electrode mixing material passes through the first pressure roller described in two and carries out preliminary roll-in, forms primary electrode
There is one first distance between piece, two first pressure rollers；
One second rolling device, with two the second pressure rollers being oppositely arranged, at the discharging of first rolling device with it is described
Relative at the charging of second rolling device, primary electrical pole piece passes through the second pressure roller described in two, thin-film electro pole piece is formed, described in two
There is a second distance, the diameter of first pressure roller is less than the diameter of second pressure roller, described first between second pressure roller
Distance is more than the second distance.
2. device according to claim 1, it is characterised in that the scope of first distance is 450 microns ~ 520 microns.
3. device according to claim 1, it is characterised in that the scope of the second distance is 100 microns ~ 110 microns.
4. device according to claim 1, it is characterised in that second pressure roller is Heating roll.
5. device according to claim 4, it is characterised in that the temperature of second pressure roller is 60 ~ 250 degrees Celsius.
6. electrode prepared by the device described in a kind of use claim 1, it is characterised in that the compacted density scope of the electrode
For 0.60 ~ 0.82g/cm3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720213913.0U CN206505838U (en) | 2017-03-07 | 2017-03-07 | Prepare the device and electrode of the electrode of super capacitor with high compacted density |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720213913.0U CN206505838U (en) | 2017-03-07 | 2017-03-07 | Prepare the device and electrode of the electrode of super capacitor with high compacted density |
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| CN206505838U true CN206505838U (en) | 2017-09-19 |
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| CN201720213913.0U Active CN206505838U (en) | 2017-03-07 | 2017-03-07 | Prepare the device and electrode of the electrode of super capacitor with high compacted density |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731556A (en) * | 2017-10-27 | 2018-02-23 | 宁波中车新能源科技有限公司 | A kind of preparation method of ultracapacitor C film |
| CN112542563A (en) * | 2020-12-02 | 2021-03-23 | 湖北亿纬动力有限公司 | Pole piece and preparation method thereof, lithium ion battery and preparation device |
| WO2024087968A1 (en) * | 2022-10-28 | 2024-05-02 | 上海先导慧能技术有限公司 | Rolling apparatus and dry electrode preparation device |
-
2017
- 2017-03-07 CN CN201720213913.0U patent/CN206505838U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731556A (en) * | 2017-10-27 | 2018-02-23 | 宁波中车新能源科技有限公司 | A kind of preparation method of ultracapacitor C film |
| CN107731556B (en) * | 2017-10-27 | 2019-12-27 | 宁波中车新能源科技有限公司 | Preparation method of carbon film for supercapacitor |
| CN112542563A (en) * | 2020-12-02 | 2021-03-23 | 湖北亿纬动力有限公司 | Pole piece and preparation method thereof, lithium ion battery and preparation device |
| CN112542563B (en) * | 2020-12-02 | 2022-05-13 | 湖北亿纬动力有限公司 | Pole piece and preparation method thereof, lithium ion battery and preparation device |
| WO2024087968A1 (en) * | 2022-10-28 | 2024-05-02 | 上海先导慧能技术有限公司 | Rolling apparatus and dry electrode preparation device |
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