CN103943377A - Preparation method of porous electrode - Google Patents
Preparation method of porous electrode Download PDFInfo
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- CN103943377A CN103943377A CN201410022296.7A CN201410022296A CN103943377A CN 103943377 A CN103943377 A CN 103943377A CN 201410022296 A CN201410022296 A CN 201410022296A CN 103943377 A CN103943377 A CN 103943377A
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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
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- 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
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Abstract
Disclosed are a method for preparing a porous electrode and a porous electrode prepared through the method. The method includes: mixing an active material, a binding agent, a conductive agent and a small quantity of a solvent so as to form a micelle; rolling the micelle so as to form an active material film; forming a conductive coating layer on a current collector by a conductive glue; and performing hot-press recombination on the active material film and the current collector which forms the conductive coating layer.
Description
field
The disclosure relates to electrochemical field.Particularly, the disclosure relates to and prepares the method for porous electrode and the porous electrode of being prepared by the method.
background
Electrochemical power source has been subjected to widely and has used as energy storage electric elements, along with the development of China's electrical source of power industry, increasing to the demand of electrochemical power source, more and more higher to its performance requirement.Ultracapacitor is a kind of novel electric charge storage element, compare with general battery, have that capacity is large, the cycle life of supporting high current charge-discharge, overlength and the advantage such as environment friendly and pollution-free, can provide energy fast to discharge, meet high power requirements, so ultracapacitor has broad application prospects in fields such as new forms of energy, communications and transportation, industry.It has been applied in the applications such as wind power generation, solar power generation, hybrid vehicle, UPS, subway, elevator, robot automation at present.
general introduction
The disclosure relates in one aspect to the method for preparing porous electrode, and it comprises: active material, binding agent, conductive agent and a small amount of solvent are carried out mixing, to form micelle; Described micelle is carried out to roll-in, to form active matter plasma membrane; Conducting resinl is formed on collector to conductive coating; And it is compound that the collector of described active matter plasma membrane and described formation conductive coating is carried out to hot pressing.
The disclosure relates to porous electrode on the other hand, and it is prepared by the following method: active material, binding agent, conductive agent and a small amount of solvent are carried out mixing, to form micelle; Described micelle is carried out to roll-in, to form active matter plasma membrane; Conducting resinl is formed on collector to conductive coating; And it is compound that the collector of described active matter plasma membrane and described formation conductive coating is carried out to hot pressing.
brief Description Of Drawings
Fig. 1 is the indicative flowchart of preparing porous electrode of the disclosure one embodiment.
Fig. 2 is the principle schematic of the mixing facilities that uses in the disclosure one embodiment.
Fig. 3 is the principle schematic of the production line that uses in the disclosure one embodiment.
Fig. 4 is the pole piece scanning electron microscope (SEM) photograph of the disclosure one embodiment.
Fig. 5 is the pole piece scanning electron microscope (SEM) photograph of the disclosure one embodiment.
Fig. 6 is the pole piece scanning electron microscope (SEM) photograph of the disclosure one embodiment.
Fig. 7 is the pole piece scanning electron microscope (SEM) photograph of the disclosure one embodiment.
describe in detail
In the following description, comprise that some concrete details is to provide comprehensive understanding to each disclosed embodiment.Yet those skilled in the relevant art will appreciate that, do not adopt one or more these concrete details, and adopt in the situation of other method, parts, material etc., can realize embodiment.
Unless requirement in addition in the application, in whole specification and claims thereafter, word " comprises " and " comprising " should be interpreted as meaning open, that include formula, " includes but not limited to ".
" embodiment " mentioned in whole specification or " embodiment " or " in another embodiment " or " in certain embodiments " mean to comprise and relevant concrete reference feature, structure or feature described in this embodiment at least one embodiment.Therefore phrase " in one embodiment " or " in embodiments " or " in another embodiment " or " in certain embodiments " that, in whole specification, diverse location occurs needn't all refer to same embodiment.In addition concrete key element, structure or feature combination in one or more embodiments in any suitable manner.
definition
Therefore, non-separately have contrary explanation, otherwise in specification and claims, following term used has the following meaning:
In the disclosure, term " porous electrode " means by granule and is piled into the electrode with cavernous structure, is beneficial to substance reaction and transmission.
In the disclosure, term " active material " means relatively active simple substance or compound.
In the disclosure, term " binding agent " mean for improve the intensity of pressed compact or prevent powder segregation and add in powder can be before sintering or the material of removing in sintering process.
In the disclosure, term " conductive agent " means in order to guarantee that electrode has good charge-discharge performance, when making, pole piece conventionally adds a certain amount of conductive materials, its between active material, between active material and collector, play the effect of collecting micro-electric current, to reduce the contact resistance of electrode, accelerate the rate travel of electronics, also can effectively improve the migration rate of ion in electrode material, thereby improve the efficiency for charge-discharge of electrode simultaneously.
In the disclosure, term " solvent " means the liquid that can dissolve solid, liquid or gas solute.
In the disclosure, term " mixing " means various compounding ingredients (being mainly active material) and has the material of plasticity, the technical process mixing equably.
In the disclosure, term " conducting resinl " mean solidify or dry after there is the adhesive of certain electric conductivity.
In the disclosure, term " collector " means structure or the part that collects electric current, and its function is mainly that the electric current of cell active materials generation is collected to form larger electric current and externally exported.
In the disclosure, the fine particle that the solid particle that term " powder form " means is dry, disperse forms.
Embodiment
The disclosure relates in one aspect to the method for preparing porous electrode, and it comprises: active material, binding agent, conductive agent and a small amount of solvent are carried out mixing, to form micelle; Described micelle is carried out to roll-in, to form active matter plasma membrane; Conducting resinl is formed on collector to conductive coating; And it is compound that the collector of described active matter plasma membrane and described formation conductive coating is carried out to hot pressing.
In certain embodiments, described active material is powder form.
The illustrative examples that can be used in active material of the present disclosure includes but not limited to the positive pole powder material containing elemental lithium of active carbon, Graphene, modified graphene material, active carbon and graphene composite material, carbonaceous mesophase spherules, native graphite, modified graphite, coated graphite, carbon nano-fiber, carbon nano-tube, coke, silica flour, silicon line, lithium ion battery use and the negative pole powder body material containing elemental lithium that lithium ion battery is used.
In certain embodiments, described binding agent is powder form.Described binding agent is super fine bodily form formula in certain embodiments.In certain embodiments, the particle diameter of binding agent is 0.2 to 2 μ m.
The illustrative examples that can be used in binding agent of the present disclosure includes but not limited to polymethylacrylic acid, polymethyl methacrylate, polytetrafluoroethylene, Kynoar, butadiene-styrene rubber and carboxymethyl cellulose.
In certain embodiments, described conductive agent is powder form.
The illustrative examples that can be used in conductive agent of the present disclosure includes but not limited to acetylene black, conductive fiber and wire.
The illustrative examples that can be used in solvent of the present disclosure includes but not limited to water, liquid organic solvent and inorganic mineral oil.
The illustrative examples that can be used in compounding process of the present disclosure includes but not limited to out that refining formula is mixing, banburying formula is mixing, frame type stirring is mixing or anchor formula stirs mixing.
In certain embodiments, mixing process carries out approximately 5 to 300 minutes.In certain embodiments, mixing process carries out approximately 30 to 120 minutes.In certain embodiments, mixing process carries out approximately 60 minutes.
In certain embodiments, to the mixing micelle obtaining, use cold-rolling process to carry out roll-in, thereby without any heating or auxiliary heating process.
In certain embodiments, the mixing micelle obtaining is carried out to repeatedly roll-in, thereby form continuous active matter plasma membrane.In certain embodiments, use roll squeezer to carry out twice roll-in to the mixing micelle obtaining, thereby form continuous active matter plasma membrane.
In certain embodiments, the mixing micelle obtaining is carried out to roll-in, thereby obtain individual layer active matter plasma membrane.
The illustrative examples that can be used in collector of the present disclosure includes but not limited to the sticking conductive polymer film of Copper Foil, aluminium foil and tool.
In certain embodiments, by micro-transfer coated method, form conductive coating.
In certain embodiments, the gross mass based on electrode component, the amount of solvent is approximately 3% to 50% mass ratio.In certain embodiments, the gross mass based on electrode component, the amount of solvent is approximately 3% to 30% mass ratio.In certain embodiments, the gross mass based on electrode component, the amount of solvent is approximately 5% to 10% mass ratio.
In certain embodiments, the gross mass based on electrode component, active material is approximately 50% to 98% mass ratio.In certain embodiments, the gross mass based on electrode component, active material is approximately 80% to 98% mass ratio.In certain embodiments, the gross mass based on electrode component, active material is approximately 90% to 98% mass ratio.
In certain embodiments, the gross mass based on electrode component, binding agent is approximately 0.1% to 20% mass ratio.In certain embodiments, the gross mass based on electrode component, binding agent is approximately 1% to 10% mass ratio.In certain embodiments, the gross mass based on electrode component, binding agent is approximately 1% to 6% mass ratio.
In certain embodiments, the gross mass based on electrode component, conductive agent is approximately 0.1% to 30% mass ratio.In certain embodiments, the gross mass based on electrode component, conductive agent is approximately 1% to 15% mass ratio.In certain embodiments, the gross mass based on electrode component, conductive agent is approximately 3% to 6% mass ratio.
In certain embodiments, active matter plasma membrane and conducting resinl are all in leather hard, thereby after hot pressing is compound, the solvent evaporates in active matter plasma membrane and conducting resinl is complete, forms dry finished product porous electrode.
The method that the disclosure relates to can be for the production of super capacitor pole sheet, and the production of electrodes of lithium-ion batteries, in the production process of the flexible porous electrodes such as production of fuel cell pole piece.
Use the method that the disclosure relates to can carry out large-scale production, and roll-in film-forming process carries out at normal temperatures and pressures, speed of production is fast, and energy consumption is little, low cost of manufacture.
The disclosure relates to porous electrode on the other hand, and it is prepared by the following method:
Active material, binding agent, conductive agent and a small amount of solvent are carried out mixing, to form micelle;
Described micelle is carried out to roll-in, to form active matter plasma membrane;
Conducting resinl is formed on collector to conductive coating; And
The collector of described active matter plasma membrane and described formation conductive coating is carried out to hot pressing compound.
Hereinafter, the disclosure is explained in detail to understand better various aspects of the present disclosure and advantage thereof by following embodiment with reference to the accompanying drawings.Yet, should be appreciated that following embodiment is nonrestrictive and only for certain embodiments of the present invention are described.
embodiment
Use active carbon that Japanese Kuraray company produces as active material, its specific area is 1300 to 1500m
2/ g, D
50be 10 μ m.
The Graphene that uses Pulan, Tianjin nanosecond science and technology Co., Ltd to produce, it is mainly single-layer graphene, and purity is more than 95%.
The carbonaceous mesophase spherules that uses Bei Terui to produce, its specific discharge capacity is about 300mAh/g, and low irreversible specific capacity is about 20mAh/g.
The lithium titanate that uses Pulan, Tianjin nanosecond science and technology Co., Ltd to produce, 1C specific discharge capacity is about 155mAh/g, and purity is more than 99%.
The Graphene modified lithium titanate that uses Pulan, Tianjin nanosecond science and technology Co., Ltd to produce, 1C specific discharge capacity is about 165mAh/g, and purity is more than 99%.
Use the polymethyl methacrylate particulate of A Kema production as binding agent, its D
50be 0.25 μ m.
Use the Super P of Changzhou Te Migao company production as conductive agent.
Use the EB012 of Henkel production as conducting resinl.
With reference to figure 2, its principle schematic that is the mixing facilities that uses in the disclosure one embodiment, wherein 1 is motor; 22 is reduction box; 23 is travelling gear; 24 is mixing roller.
With reference to figure 3, its principle schematic that is the production line that uses in the disclosure one embodiment, wherein 1 is finished electrode; 16 is collector; 20 is composite steps; 31 is feeder; 32 is a roll-in step; 33 is a dry film step; 34 is secondary roll-in step; 35 is auxiliary agent shower nozzle; 36 is back flow roll; 37 is print roller; 39 is secondary dry film step.
Embodiment 1
The Super P that the polymethyl methacrylate particulate that the active carbon that Kuraray company is produced, A Kema produce, Changzhou Te Migao company produce weighs by quality, its mass ratio is 95:2:3, gross mass based on electrode material, the water that adds 10% mass ratio, it is mixing that refining formula is opened in above material employing, mixing process carries out 60 minutes, obtains the micelle of 1kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using Copper Foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on Copper Foil, to form conductive coating; The Copper Foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
Fig. 4 is the scanning electron microscope (SEM) photograph of resulting porous electrode pole piece.
Embodiment 2
The Super P that the polymethyl methacrylate particulate that the active carbon that Kuraray company is produced, A Kema produce, Changzhou Te Migao company produce weighs by quality, its mass ratio is 94:3:3, gross mass based on electrode material, the water that adds 10% mass ratio, it is mixing that refining formula is opened in above material employing, mixing process carries out 100 minutes, obtains the micelle of 1kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using Copper Foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on Copper Foil, to form conductive coating; The Copper Foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
The scanning electron microscope (SEM) photograph of the porous electrode pole piece obtaining in the present embodiment is similar to Example 1.
Embodiment 3
The Super P that the polymethyl methacrylate particulate that the active carbon that Kuraray company is produced, A Kema produce, Changzhou Te Migao company produce weighs by quality, its mass ratio is 90:3:7, gross mass based on electrode material, the water that adds 15% mass ratio, it is mixing that refining formula is opened in above material employing, mixing process carries out 30 minutes, obtains the micelle of 2kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using Copper Foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on Copper Foil, to form conductive coating; The Copper Foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
The scanning electron microscope (SEM) photograph of the porous electrode pole piece obtaining in the present embodiment is similar to Example 1.
Embodiment 4
The Super P that the polymethyl methacrylate particulate that the Graphene that Pulan, Tianjin nanosecond science and technology Co., Ltd is produced, A Kema produce, Changzhou Te Migao company produce weighs by quality, its mass ratio is 95:2:3, gross mass based on electrode material, the water that adds 10% mass ratio, it is mixing that refining formula is opened in above material employing, mixing process carries out 60 minutes, obtains the micelle of 0.5kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using Copper Foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on Copper Foil, to form conductive coating; The Copper Foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
Fig. 5 is the scanning electron microscope (SEM) photograph of resulting porous electrode pole piece.
Embodiment 5
The Super P that the polytetrafluoroethylene particulate that the Graphene that Pulan, Tianjin nanosecond science and technology Co., Ltd is produced, A Kema produce, Changzhou Te Migao company produce weighs by quality, its mass ratio is 90:2:8, gross mass based on electrode material, the water that adds 10% mass ratio, it is mixing that refining formula is opened in above material employing, mixing process carries out 120 minutes, obtains the micelle of 0.5kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using aluminium foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on aluminium foil, to form conductive coating; The aluminium foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
The scanning electron microscope (SEM) photograph of the porous electrode pole piece obtaining in the present embodiment is similar to Example 4.
Embodiment 6
The Super P that the polymethyl methacrylate particulate that the modified graphene that Pulan, Tianjin nanosecond science and technology Co., Ltd is produced, A Kema produce, Changzhou Te Migao company produce weighs by quality, its mass ratio is 90:5:5, gross mass based on electrode material, the water that adds 10% mass ratio, it is mixing that refining formula is opened in above material employing, mixing process carries out 30 minutes, obtains the micelle of 2kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using Copper Foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on Copper Foil, to form conductive coating; The Copper Foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
The scanning electron microscope (SEM) photograph of the porous electrode pole piece obtaining in the present embodiment is similar to Example 4.
Embodiment 7
The Super P that the polymethyl methacrylate particulate that the modified graphene that Pulan, Tianjin nanosecond science and technology Co., Ltd is produced, A Kema produce, Changzhou Te Migao company produce weighs by quality, its mass ratio is 90:5:5, gross mass based on electrode material, the ethanol that adds 20% mass ratio, above material adopts banburying formula mixing, mixing process carries out 30 minutes, obtains the micelle of 1kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using Copper Foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on Copper Foil, to form conductive coating; The Copper Foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
The scanning electron microscope (SEM) photograph of the porous electrode pole piece obtaining in the present embodiment is similar to Example 4.
Embodiment 8
The Super P that the polytetrafluoroethylene particulate that the carbonaceous mesophase spherules that Bei Terui is produced, A Kema produce, Changzhou Te Migao company produce weighs by quality, its mass ratio is 90:1:9, gross mass based on electrode material, the water that adds 10% mass ratio, above material adopts banburying formula mixing, mixing process carries out 60 minutes, obtains the micelle of 5kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using Copper Foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on Copper Foil, to form conductive coating; The Copper Foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
The scanning electron microscope (SEM) photograph of the porous electrode pole piece obtaining in the present embodiment is similar to Example 1.
Embodiment 9
The acetylene black that the polymethyl methacrylate particulate that the lithium titanate that Pulan, Tianjin nanosecond science and technology Co., Ltd is produced, A Kema produce, Changzhou Te Migao company produce is weighed by quality, its mass ratio is 90:4:6, gross mass based on electrode material, the water that adds 10% mass ratio, above material adopts banburying formula mixing, mixing process carries out 60 minutes, obtains the micelle of 0.2kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using Copper Foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on Copper Foil, to form conductive coating; The Copper Foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
Fig. 6 is the scanning electron microscope (SEM) photograph of resulting porous electrode pole piece.
Embodiment 10
The Super P that the polymethyl methacrylate particulate that the Graphene modified lithium titanate that Pulan, Tianjin nanosecond science and technology Co., Ltd is produced, A Kema produce, Changzhou Te Migao company produce weighs by quality, its mass ratio is 95:3:2, gross mass based on electrode material, the water that adds 14% mass ratio, above material adopts banburying formula mixing, mixing process carries out 60 minutes, obtains the micelle of 1kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using Copper Foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on Copper Foil, to form conductive coating; The Copper Foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
Fig. 7 is the scanning electron microscope (SEM) photograph of resulting porous electrode pole piece.
Embodiment 11
The Super P that the polytetrafluoroethylene particulate that the Graphene modified lithium titanate that Pulan, Tianjin nanosecond science and technology Co., Ltd is produced, A Kema produce, Changzhou Te Migao company produce weighs by quality, its mass ratio is 95:3:2, gross mass based on electrode material, the water that adds 14% mass ratio, above material adopts banburying formula mixing, mixing process carries out 60 minutes, obtains the micelle of 1kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using Copper Foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on Copper Foil, to form conductive coating; The Copper Foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
The scanning electron microscope (SEM) photograph of the porous electrode pole piece obtaining in the present embodiment is similar to Example 10.
Embodiment 12
The Super P that the polytetrafluoroethylene particulate that the Graphene that Pulan, Tianjin nanosecond science and technology Co., Ltd is produced, A Kema produce, Changzhou Te Migao company produce weighs by quality, its mass ratio is 92:3:5, gross mass based on electrode material, the water that adds 14% mass ratio, above material adopts banburying formula mixing, mixing process carries out 60 minutes, obtains the micelle of 0.2kg; Formed micelle is carried out to cold-rolling mill roll-in, form active matter plasma membrane; Using Copper Foil as collector, adopt micro-transfer coated method that waterborne conductive glue EB012 is coated on Copper Foil, to form conductive coating; The Copper Foil of the active matter plasma membrane obtaining and formation conductive coating is carried out to hot pressing compound, treat that the solvent evaporates in active matter plasma membrane and conducting resinl is complete, form dry porous electrode.
The scanning electron microscope (SEM) photograph of the porous electrode pole piece obtaining in the present embodiment is similar to Example 4.
The method that the disclosure relates to is used a small amount of solvent, and solvent can volatilize completely in preparing the process of porous electrode, has avoided extra heat energy loss, has simplified production technology, therefore in preparation process, can reduce production costs, and boosts productivity.
Although be appreciated that from the foregoing and described specific embodiment of the invention scheme for the object of exemplary illustration, under condit without departing from the spirit and scope of the present invention, technical staff can make various distortion or improvement described in this area.These distortion or modification all should fall into the scope of the application's claims.
Claims (16)
1. the method for preparing porous electrode, it comprises:
Active material, binding agent, conductive agent and a small amount of solvent are carried out mixing, to form micelle;
Described micelle is carried out to roll-in, to form active matter plasma membrane;
Conducting resinl is formed on collector to conductive coating; And
The collector of described active matter plasma membrane and described formation conductive coating is carried out to hot pressing compound.
2. the method for claim 1, wherein said active material is powder form, and the positive pole powder material containing elemental lithium of preferably active carbon, Graphene, modified graphene material, active carbon and graphene composite material, carbonaceous mesophase spherules, native graphite, modified graphite, coated graphite, carbon nano-fiber, carbon nano-tube, coke, silica flour, silicon line, lithium ion battery use is, negative pole powder body material that contains elemental lithium of lithium ion battery use and composition thereof.
3. method as claimed in claim 1 or 2, wherein said binding agent is powder form, be preferably superfine powder form, and more preferably particle diameter is 0.2 to 2 μ m, and the preferred polymethylacrylic acid of described binding agent, polymethyl methacrylate, polytetrafluoroethylene, Kynoar, butadiene-styrene rubber, carboxymethyl cellulose and composition thereof.
4. the method as described in arbitrary claim in claims 1 to 3, wherein said conductive agent is powder form, and preferably acetylene black, conductive fiber, wire and composition thereof.
5. the method as described in arbitrary claim in claim 1 to 4, wherein said solvent is selected from water, liquid organic solvent, inorganic mineral oil and composition thereof.
6. the method as described in arbitrary claim in claim 1 to 5, is wherein saidly mixingly selected from out that refining formula is mixing, banburying formula is mixing, frame type stirring is mixing or anchor formula stirs mixing.
7. the method as described in arbitrary claim in claim 1 to 6, wherein said mixing carrying out approximately 5 to 300 minutes.
8. the method as described in arbitrary claim in claim 1 to 7, is wherein used cold-rolling process to carry out described roll-in.
9. the method as described in arbitrary claim in claim 1 to 8, wherein said active matter plasma membrane is individual layer active matter plasma membrane.
10. the method as described in arbitrary claim in claim 1 to 9, wherein said collector is selected from the sticking conductive polymer film of Copper Foil, aluminium foil or tool.
11. methods as described in arbitrary claim in claim 1 to 10, wherein said conducting resinl is selected from waterborne conductive glue, organic conductive glue and composition thereof.
12. methods as described in arbitrary claim in claim 1 to 11, wherein form described conductive coating by micro-transfer coated method.
13. methods as described in arbitrary claim in claim 1 to 12, the gross mass based on electrode component wherein, the amount of described solvent is 3% to 50% mass ratio, is preferably 3% to 30% mass ratio, more preferably 5% to 10% mass ratio.
14. methods as described in arbitrary claim in claim 1 to 13, the gross mass based on electrode component wherein, active material is 50% to 98% mass ratio, and binding agent is 0.1% to 20% mass ratio, and conductive agent is 0.1% to 30% mass ratio.
15. methods as described in arbitrary claim in claim 1 to 14, wherein said active matter plasma membrane and described conducting resinl are all in leather hard.
The porous electrode that method in 16. claims 1 to 15 described in arbitrary claim prepares.
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| CN108390016A (en) * | 2018-02-13 | 2018-08-10 | 广州广华精容能源技术有限公司 | A kind of preparation method of high resiliency porous electrode |
| CN108400286A (en) * | 2018-02-13 | 2018-08-14 | 广州广华精容能源技术有限公司 | A kind of energy storage device preparation method based on high resiliency electrode |
| CN109155414A (en) * | 2016-06-09 | 2019-01-04 | 日本瑞翁株式会社 | Solid electrolyte battery adhesive composition and solid electrolyte battery paste compound |
| CN113130845A (en) * | 2021-04-16 | 2021-07-16 | 中国第一汽车股份有限公司 | Self-supporting membrane electrode, battery and vehicle |
| TWI821403B (en) * | 2018-09-21 | 2023-11-11 | 日商日本貴彌功股份有限公司 | Electrode body, electrolytic capacitor provided with electrode body, and method of manufacturing electrode body |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1717757A (en) * | 2002-11-29 | 2006-01-04 | 本田技研工业株式会社 | Polarizable electrode for electric double-layer capacitor, process for producing the polarizable electrode and process for producing the electric double-layer capacitor |
| CN1819081A (en) * | 2006-02-27 | 2006-08-16 | 东莞新能源电子科技有限公司 | Hyper-capacitor with high running voltage and production thereof |
| CN101237049A (en) * | 2008-01-22 | 2008-08-06 | 重庆大学 | Making method for anti-drowning gas multi-hole pole in alkalescent medium |
| CN101299463A (en) * | 2008-06-06 | 2008-11-05 | 北京大学 | Light fuel cell |
| CN101393978A (en) * | 2007-09-19 | 2009-03-25 | 深圳市比克电池有限公司 | Pulp for lithium ionic cell electrode and manufacturing method thereof |
| WO2009113592A1 (en) * | 2008-03-14 | 2009-09-17 | 日本ゼオン株式会社 | Electrode for hybrid capacitor |
| WO2010098018A1 (en) * | 2009-02-24 | 2010-09-02 | パナソニック株式会社 | Electrode plate for nonaqueous secondary battery, manufacturing method therefor, and nonaqueous secondary battery using same |
| WO2011030058A1 (en) * | 2009-09-09 | 2011-03-17 | Batscap | Method for preparing a positive electrode material through extrusion in presence of an aqueous solvent, positive electrode obtained through said method, and uses thereof |
| CN102723211A (en) * | 2012-05-08 | 2012-10-10 | 海博瑞恩电子科技无锡有限公司 | High performance super capacitor and manufacturing process thereof |
-
2014
- 2014-01-17 CN CN201410022296.7A patent/CN103943377A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1717757A (en) * | 2002-11-29 | 2006-01-04 | 本田技研工业株式会社 | Polarizable electrode for electric double-layer capacitor, process for producing the polarizable electrode and process for producing the electric double-layer capacitor |
| CN1819081A (en) * | 2006-02-27 | 2006-08-16 | 东莞新能源电子科技有限公司 | Hyper-capacitor with high running voltage and production thereof |
| CN101393978A (en) * | 2007-09-19 | 2009-03-25 | 深圳市比克电池有限公司 | Pulp for lithium ionic cell electrode and manufacturing method thereof |
| CN101237049A (en) * | 2008-01-22 | 2008-08-06 | 重庆大学 | Making method for anti-drowning gas multi-hole pole in alkalescent medium |
| WO2009113592A1 (en) * | 2008-03-14 | 2009-09-17 | 日本ゼオン株式会社 | Electrode for hybrid capacitor |
| CN101299463A (en) * | 2008-06-06 | 2008-11-05 | 北京大学 | Light fuel cell |
| WO2010098018A1 (en) * | 2009-02-24 | 2010-09-02 | パナソニック株式会社 | Electrode plate for nonaqueous secondary battery, manufacturing method therefor, and nonaqueous secondary battery using same |
| WO2011030058A1 (en) * | 2009-09-09 | 2011-03-17 | Batscap | Method for preparing a positive electrode material through extrusion in presence of an aqueous solvent, positive electrode obtained through said method, and uses thereof |
| CN102723211A (en) * | 2012-05-08 | 2012-10-10 | 海博瑞恩电子科技无锡有限公司 | High performance super capacitor and manufacturing process thereof |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015486A1 (en) * | 2014-07-30 | 2016-02-04 | 东莞斯巴复新能源有限公司 | Manufacturing method for electro-chemical electrical conducting functional membrane |
| CN104201005A (en) * | 2014-07-30 | 2014-12-10 | 东莞斯巴复新能源有限公司 | Manufacturing method for electro-chemical electrical conducting functional membrane |
| CN104715937A (en) * | 2014-11-07 | 2015-06-17 | 深圳市今朝时代新能源技术有限公司 | Manufacturing method for laminated electrode, carbon film and manufacturing method for carbon film |
| CN104715937B (en) * | 2014-11-07 | 2017-10-31 | 深圳市今朝时代股份有限公司 | A kind of preparation method of stacking type electrode, carbon membrane and preparation method thereof |
| CN107820644B (en) * | 2015-06-30 | 2022-07-12 | 罗伯特·博世有限公司 | Silicon monolithic graphite anode for lithium batteries |
| CN107820644A (en) * | 2015-06-30 | 2018-03-20 | 罗伯特·博世有限公司 | Silicon monolithic graphite anode for lithium battery |
| CN106935901A (en) * | 2015-12-31 | 2017-07-07 | 东莞新能源科技有限公司 | Lithium ion battery and its cathode sheet |
| CN109155414B (en) * | 2016-06-09 | 2021-08-13 | 日本瑞翁株式会社 | Binder composition for solid electrolyte battery, and slurry composition for solid electrolyte battery |
| CN109155414A (en) * | 2016-06-09 | 2019-01-04 | 日本瑞翁株式会社 | Solid electrolyte battery adhesive composition and solid electrolyte battery paste compound |
| CN106384807B (en) * | 2016-11-24 | 2018-11-02 | 山东精工电子科技有限公司 | A kind of based lithium-ion battery positive plate and preparation method thereof |
| CN106384807A (en) * | 2016-11-24 | 2017-02-08 | 山东精工电子科技有限公司 | Lithium ion battery positive electrode plate and preparation method thereof |
| CN107086128A (en) * | 2017-04-07 | 2017-08-22 | 同济大学 | A kind of mixed type electrochmical power source device electrode and preparation method thereof |
| CN107086128B (en) * | 2017-04-07 | 2019-03-29 | 同济大学 | A kind of mixed type electrochmical power source device electrode and preparation method thereof |
| CN107364933A (en) * | 2017-07-18 | 2017-11-21 | 王林双 | The preparation technology and graphene combination electrode of graphene combination electrode and its application |
| CN107768145A (en) * | 2017-10-16 | 2018-03-06 | 池州市修典新能源科技有限公司 | A kind of energy storage electrode and preparation method thereof |
| CN107658139A (en) * | 2017-10-16 | 2018-02-02 | 池州市修典新能源科技有限公司 | A kind of lithium electric capacity negative electrode and preparation method thereof |
| CN108400286A (en) * | 2018-02-13 | 2018-08-14 | 广州广华精容能源技术有限公司 | A kind of energy storage device preparation method based on high resiliency electrode |
| CN108390016A (en) * | 2018-02-13 | 2018-08-10 | 广州广华精容能源技术有限公司 | A kind of preparation method of high resiliency porous electrode |
| TWI821403B (en) * | 2018-09-21 | 2023-11-11 | 日商日本貴彌功股份有限公司 | Electrode body, electrolytic capacitor provided with electrode body, and method of manufacturing electrode body |
| CN113130845A (en) * | 2021-04-16 | 2021-07-16 | 中国第一汽车股份有限公司 | Self-supporting membrane electrode, battery and vehicle |
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