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CN102427145A - Preparation system of multi-element nano vanadium power battery - Google Patents

Preparation system of multi-element nano vanadium power battery Download PDF

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Publication number
CN102427145A
CN102427145A CN2011104098630A CN201110409863A CN102427145A CN 102427145 A CN102427145 A CN 102427145A CN 2011104098630 A CN2011104098630 A CN 2011104098630A CN 201110409863 A CN201110409863 A CN 201110409863A CN 102427145 A CN102427145 A CN 102427145A
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China
Prior art keywords
preparation system
negative electrode
baking
positive
electrokinetic cell
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CN2011104098630A
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Chinese (zh)
Inventor
王晓东
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SHENZHEN ZHONGXING POWER BATTERY TECHNOLOGY CO LTD
TIANJIN SINOMA ENGINEERING RESEARCH CENTER Co Ltd
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SHENZHEN ZHONGXING POWER BATTERY TECHNOLOGY CO LTD
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Priority to CN2011104098630A priority Critical patent/CN102427145A/en
Publication of CN102427145A publication Critical patent/CN102427145A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The invention discloses a preparation system of a multi-element nano vanadium power battery, which comprises the following steps: the device comprises a stirring device, a coating device, a rolling device, a slitting device, a sealing device, a liquid injection device and a formation device; the stirring device, the coating device, the rolling device, the slitting device, the sealing device, the liquid injection device and the formation device are sequentially connected. The preparation system of the multi-element nano vanadium power battery provided by the invention comprises the following devices which are sequentially connected: the stirring device, the coating device, the rolling device, the slitting device, the sealing device, the liquid injection device and the formation device are complete and perfect in equipment, and the power battery is prepared by adopting the system, so that the production efficiency of the power battery can be greatly improved, the consistency of the power battery is ensured, and the quality of the power battery is improved.

Description

The preparation system of multielement nanometer vanadium electrokinetic cell
Technical field
The present invention relates to the battery technology field, especially relate to a kind of preparation system of multielement nanometer vanadium electrokinetic cell.
Background technology
Lithium-ion-power cell is a kind of reliable secondary power supply.Therefore at electric automobile, PHEV, electric bicycle, and aspect such as energy storage device has very large market application foreground.Wherein, environmental suitability, specific energy and the fail safe of raising lithium-ion-power cell are the developing direction of domestic and international research focus and lithium-ion-power cell.Because process equipment and imperfection that lithium-ion-power cell production is adopted cause the level of production of battery low, battery quality is not high yet at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of preparation system of multielement nanometer vanadium electrokinetic cell, improves the production efficiency of electrokinetic cell, the quality of assurance power electric and safe in utilization.
The present invention proposes a kind of preparation system of multielement nanometer vanadium electrokinetic cell, comprising: agitating device, apparatus for coating, rolling device, cutting device, closing device, priming device and formation device; Said agitating device, apparatus for coating, rolling device, cutting device, closing device, priming device and formation device are connected successively;
Said agitating device is used for battery positive and negative electrode compounding substances is stirred;
Said apparatus for coating is used for the positive and negative electrode compounding substances that mixes is coated the positive and negative electrode pole piece respectively;
Said rolling device is used for coated positive and negative electrode pole piece is carried out roll-in;
Said cutting device is used for according to the manufacturing specification that presets, and the positive and negative electrode pole piece that pair roller presses is cut;
Said closing device is used for superimposed good electric core is packed into towards good battery container, and battery one side is sealed;
Said priming device is used for injecting electrolyte to the electric in-core of battery, and a side of this battery injection electrolyte is sealed;
Said formation device, be used for to the battery that fluid injection is accomplished charge, partial volume handles.
Preferably; Be provided with the lamination device between said cutting device and the closing device; This lamination device is connected with said cutting device, closing device respectively; Be used for barrier film, positive and negative electrode pole piece being carried out lamination process according to the iterative structure that is followed successively by membrane layer, cathode pole piece, membrane layer, anode pole piece.
Preferably, be provided with apparatus for baking and welder between said lamination device and the closing device; Said lamination device, apparatus for baking, welder, closing device connect successively;
Said apparatus for baking is used for superimposed good lamination is toasted;
Said welder is used for the lamination after the baking is welded, and forms electric core.
Preferably, be provided with the pressure core apparatus between said priming device and the formation device; This presses core apparatus to be connected with formation device with said priming device respectively, is used for pressing core to handle to the battery of fluid injection.
Preferably, be provided with the vacuum bakeout device between said closing device and the priming device; This vacuum bakeout device is connected with priming device with said closing device respectively, is used for packaged electric core is carried out vacuum bakeout.
Preferably, be provided with first apparatus for baking between said apparatus for coating and the rolling device, this apparatus for baking is connected with apparatus for coating, rolling device respectively, is used for carrying out baking processing to being coated with back positive and negative electrode pole piece.
Preferably, the preparation system of said multielement nanometer vanadium electrokinetic cell also comprises lapping device, and this lapping device is connected with said agitating device, is used for the positive and negative electrode compounding substances is carried out milled processed.
Preferably, also comprise second apparatus for baking between said lapping device and the agitating device, this apparatus for baking is connected with said lapping device, agitating device respectively, is used for the positive and negative electrode mixture of raw material is carried out baking processing.
The preparation system of multielement nanometer vanadium electrokinetic cell provided by the present invention; Include and connect successively: agitating device, apparatus for coating, rolling device, cutting device, closing device, priming device and formation device with lower device; Because this preparation system is self-contained, perfect, adopt native system to prepare electrokinetic cell, can improve electrokinetic cell production efficiency widely; Guarantee the consistency of electrokinetic cell, improve the quality of electrokinetic cell.
Description of drawings
Fig. 1 is the structural representation of preparation system one embodiment of the multielement nanometer vanadium electrokinetic cell of invention;
Fig. 2 is the structural representation of another embodiment of preparation system of multielement nanometer vanadium electrokinetic cell of the present invention;
Fig. 3 is the structural representation of another embodiment of preparation system of multielement nanometer vanadium electrokinetic cell of the present invention;
Fig. 4 is the structural representation of another embodiment of preparation system of multielement nanometer vanadium electrokinetic cell of the present invention;
Fig. 5 is the structural representation of another embodiment of preparation system of multielement nanometer vanadium electrokinetic cell of the present invention;
Fig. 6 is that real another of the preparation system of multielement nanometer vanadium electrokinetic cell of the present invention executed the structural representation of example;
Fig. 7 is the structural representation of another embodiment of preparation system of multielement nanometer vanadium electrokinetic cell of the present invention;
Fig. 8 is the structural representation of another embodiment of preparation system of multielement nanometer vanadium electrokinetic cell of the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Referring to Fig. 1; Preparation system 100 1 embodiment of multielement nanometer vanadium electrokinetic cell of the present invention are proposed; Comprise: agitating device 111, apparatus for coating 112, rolling device 113, cutting device 114, closing device 115, priming device 116 and formation device 117, said agitating device 111, apparatus for coating 112, rolling device 113, cutting device 114, closing device 115, priming device 116 are connected with formation device 117 successively.
Said agitating device 111 is used for battery positive and negative electrode compounding substances is stirred.For example, the following material required to anode mixes stirring at least two kinds, makes it even: CNE, Kynoar, conductive black, electrically conductive graphite, crystalline flake graphite, vanadium nanometer.Wherein CNE is the active material of anode.The required following material of GND is mixed stirring at least two kinds make it even: negative electrode active material, thickener, binding agent, conductive carbon black, electrically conductive graphite.
Said apparatus for coating 112 is used for the positive and negative electrode compounding substances that mixes is coated the positive and negative electrode pole piece respectively.The mode of this apparatus for coating 112 employing gaps coating aligns, cathode pole piece is coated with, and with the designing requirement according to the positive and negative electrode pole piece, reserves the lug position.What wherein, anode pole piece adopted is that thickness is the 13-25um aluminium foil; And the cathode pole piece employing is that thickness is the Copper Foil of 8-15um.
Said rolling device 113; Be used for coated positive and negative electrode pole piece is carried out roll-in; Make the compounding substances of coating the positive and negative electrode pole piece tight, wherein the compacted density of cathode mix matter is 2.5~3.9g/cm3, and the compacted density of negative pole compounding substances is 1.3~1.6g/cm3.Can also improve the adhesion between positive and negative electrode compounding substances and the positive and negative electrode pole piece in addition, can reduce the thickness of positive and negative electrode pole piece simultaneously, and improve fineness of positive and negative electrode pole piece or the like.
Said cutting device 114 is used for according to the manufacturing specification that presets, and the positive and negative electrode pole piece that pair roller presses is cut.Promptly cut according to the size of preset positive and negative electrode pole piece.
Said closing device 115 is used for superimposed good electric core is packed into towards good battery container, and battery one side is sealed.Wherein, can adopt different materials that the said side of battery is sealed according to the different designs requirement in the present embodiment, seal as adopting aluminum-plastic composite membrane.
Said priming device 116 is used for injecting cohesion electrolyte to the electric in-core of battery, and a side of this battery injection electrolyte is sealed.In like manner, can adopt different materials that the said opposite side of battery is sealed according to the different designs requirement in the present embodiment, seal as adopting aluminum-plastic composite membrane.
Said formation device 117, be used for to the battery that fluid injection is accomplished charge, partial volume handles.Wherein, battery is charged, so that the electrolyte that injects fully immerses electric core.Said charge technology is: 0.02C charging 2.5 hours, 0.1C charging 2.5 hours, 0.2C charging 3 hours.After charging was accomplished, battery carried out degasification, heat-sealing, cutting edge, shaping processing in addition.Said battery partial volume technology is: the 0.5C constant current is charged to 4.2V, and constant-current constant-voltage charging under 4.2V is 0.04C until electric current again, discharges into 2.75V with 0.5C then.
Further; Referring to Fig. 2; Preparation system 100 embodiment of above-mentioned multielement nanometer vanadium electrokinetic cell are provided with lamination device 121 between said cutting device 114 and the closing device 115, and this lamination device 121 is connected with said cutting device 114, closing device 115 respectively.Said lamination device 121 is used for according to the iterative structure that is followed successively by membrane layer, cathode pole piece, membrane layer, anode pole piece barrier film, positive and negative electrode pole piece being carried out lamination process, and wherein, the thickness of barrier film is 25um~40um.
In the present embodiment, the lamination process of barrier film, both positive and negative polarity pole piece is also adopted the mode of lamination process manually.
Further, referring to Fig. 3, preparation system 100 embodiment of above-mentioned multielement nanometer vanadium electrokinetic cell are provided with apparatus for baking 122 and welder 123 between said lamination device 121 and the closing device 115; Said lamination device 121, apparatus for baking 122, welder 123, closing device 115 connect successively.Said apparatus for baking 122 is used for superimposed good lamination is toasted.Said welder 123 is used for the lamination after the baking is welded, and forms electric core.
Further, referring to Fig. 4, among preparation system 100 embodiment of above-mentioned multielement nanometer vanadium electrokinetic cell, be provided with between said priming device 116 and the formation device 117 and press core apparatus 124; This presses core apparatus 124 to be connected with formation device 117 with said priming device 116 respectively.Said pressure core apparatus 124 is used for pressing core to handle to the battery of fluid injection.Make the inside battery construction pressure smooth.
Further, referring to Fig. 5, among preparation system 100 embodiment of above-mentioned multielement nanometer vanadium electrokinetic cell, be provided with vacuum bakeout device 125 between said closing device 115 and the priming device 116; This vacuum bakeout device 125 is connected with priming device 116 with said closing device 115 respectively.Said vacuum bakeout device 125 is used for packaged electric core is carried out vacuum bakeout.
Further; Referring to Fig. 6; Among preparation system 100 embodiment of above-mentioned multielement nanometer vanadium electrokinetic cell, be provided with apparatus for baking 126 between said apparatus for coating 112 and the rolling device 113, this apparatus for baking 126 is connected with apparatus for coating 112, rolling device 113 respectively.Said first apparatus for baking 126, the user carries out baking processing to being coated with back anode pole piece and cathode pole piece.Coat the moisture in the compounding substances on the positive and negative electrode pole piece with removal.
Further, referring to Fig. 7, among preparation system 100 embodiment of above-mentioned multielement nanometer vanadium electrokinetic cell, also comprise lapping device 127, this lapping device 127 is connected with said agitating device 111.Said lapping device 127 is used for anodal compounding substances and negative pole compounding substances are carried out milled processed.Particle with the positive and negative electrode compounding substances grinds forr a short time, thereby stirs more easily.
Further; Referring to Fig. 8; Among preparation system 100 embodiment of above-mentioned multielement nanometer vanadium electrokinetic cell, also comprise apparatus for baking 128 between said lapping device 127 and the agitating device 111, this apparatus for baking 128 is connected with said lapping device 127, agitating device 111 respectively.Said second apparatus for baking 128 is used for the positive and negative electrode mixture of raw material is carried out baking processing.To remove the moisture in the positive and negative electrode raw material.
The preparation system 100 that is the multielement nanometer vanadium electrokinetic cell of this enforcement in addition also includes moisture content humidity measurement device, Weight-measuring device, volume measurement device, measurer for thickness.
The preparation system of the multielement nanometer vanadium electrokinetic cell that the foregoing description provided; Because this system is self-contained, perfect, therefore adopt native system to prepare electrokinetic cell, can improve electrokinetic cell production efficiency widely; Guarantee the consistency of electrokinetic cell, improve the quality of electrokinetic cell.
Should be understood that; More than be merely the preferred embodiments of the present invention; Can not therefore limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (8)

1. the preparation system of a multielement nanometer vanadium electrokinetic cell is characterized in that, comprising: agitating device, apparatus for coating, rolling device, cutting device, closing device, priming device and formation device; Said agitating device, apparatus for coating, rolling device, cutting device, closing device, priming device and formation device are connected successively;
Said agitating device is used for battery positive and negative electrode compounding substances is stirred;
Said apparatus for coating is used for the positive and negative electrode compounding substances that mixes is coated the positive and negative electrode pole piece respectively;
Said rolling device is used for coated positive and negative electrode pole piece is carried out roll-in;
Said cutting device is used for according to the manufacturing specification that presets, and the positive and negative electrode pole piece that pair roller presses is cut;
Said closing device is used for superimposed good electric core is packed into towards good battery container, and battery one side is sealed;
Said priming device is used for injecting electrolyte to the electric in-core of battery, and a side of this battery injection electrolyte is sealed;
Said formation device, be used for to the battery that fluid injection is accomplished charge, partial volume handles.
2. the preparation system of multielement nanometer vanadium electrokinetic cell according to claim 1 is characterized in that,
Be provided with the lamination device between said cutting device and the closing device; This lamination device is connected with said cutting device, closing device respectively; Be used for barrier film, positive and negative electrode pole piece being carried out lamination process according to the iterative structure that is followed successively by membrane layer, cathode pole piece, membrane layer, anode pole piece.
3. the preparation system of multielement nanometer vanadium electrokinetic cell according to claim 2 is characterized in that,
Be provided with apparatus for baking and welder between said lamination device and the closing device; Said lamination device, apparatus for baking, welder, closing device connect successively;
Said apparatus for baking is used for superimposed good lamination is toasted;
Said welder is used for the lamination after the baking is welded, and forms electric core.
4. the preparation system of multielement nanometer vanadium electrokinetic cell according to claim 3 is characterized in that,
Be provided with the pressure core apparatus between said priming device and the formation device; This presses core apparatus to be connected with formation device with said priming device respectively, is used for pressing core to handle to the battery of fluid injection.
5. the preparation system of multielement nanometer vanadium electrokinetic cell according to claim 4 is characterized in that,
Be provided with the vacuum bakeout device between said closing device and the priming device; This vacuum bakeout device is connected with priming device with said closing device respectively, is used for packaged electric core is carried out vacuum bakeout.
6. the preparation system of multielement nanometer vanadium electrokinetic cell according to claim 5 is characterized in that,
Be provided with first apparatus for baking between said apparatus for coating and the rolling device, this apparatus for baking is connected with apparatus for coating, rolling device respectively, is used for carrying out baking processing to being coated with back positive and negative electrode pole piece.
7. the preparation system of multielement nanometer vanadium electrokinetic cell according to claim 6 is characterized in that,
Also comprise lapping device, this lapping device is connected with said agitating device, is used for the positive and negative electrode compounding substances is carried out milled processed.
8. according to the preparation system of each described multielement nanometer vanadium electrokinetic cell of claim 1 to 7, it is characterized in that,
Also comprise second apparatus for baking between said lapping device and the agitating device, this apparatus for baking is connected with said lapping device, agitating device respectively, is used for the positive and negative electrode mixture of raw material is carried out baking processing.
CN2011104098630A 2011-12-05 2011-12-09 Preparation system of multi-element nano vanadium power battery Pending CN102427145A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112151739A (en) * 2019-06-26 2020-12-29 青岛九环新越新能源科技股份有限公司 Multi-roller coating production method of energy storage electrode
CN112447934A (en) * 2019-08-29 2021-03-05 青岛九环新越新能源科技股份有限公司 Production method of lithium metal composite strip for inhibiting dendritic crystal growth
CN112542560A (en) * 2019-09-20 2021-03-23 青岛九环新越新能源科技股份有限公司 Double-roller extrusion coating production method of energy storage electrode
CN113492091A (en) * 2020-04-06 2021-10-12 青岛九环新越新能源科技股份有限公司 Double-sided multi-roller coating production method of energy storage electrode

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CN202405377U (en) * 2011-12-05 2012-08-29 深圳市中星动力电池技术有限公司 Manufacturing system for multi-element nano vanadium power battery

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CN1725529A (en) * 2004-07-19 2006-01-25 肇庆市风华锂电池有限公司 Preparation process and device for finished pole piece of secondary batter
CN201017946Y (en) * 2007-02-16 2008-02-06 黄俊贤 Automatic battery core laminating machine
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112151739A (en) * 2019-06-26 2020-12-29 青岛九环新越新能源科技股份有限公司 Multi-roller coating production method of energy storage electrode
CN112447934A (en) * 2019-08-29 2021-03-05 青岛九环新越新能源科技股份有限公司 Production method of lithium metal composite strip for inhibiting dendritic crystal growth
CN112542560A (en) * 2019-09-20 2021-03-23 青岛九环新越新能源科技股份有限公司 Double-roller extrusion coating production method of energy storage electrode
CN113492091A (en) * 2020-04-06 2021-10-12 青岛九环新越新能源科技股份有限公司 Double-sided multi-roller coating production method of energy storage electrode

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