CN103413919B - Superbattery negative plate and manufacturing method thereof - Google Patents
Superbattery negative plate and manufacturing method thereof Download PDFInfo
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- CN103413919B CN103413919B CN201210528960.6A CN201210528960A CN103413919B CN 103413919 B CN103413919 B CN 103413919B CN 201210528960 A CN201210528960 A CN 201210528960A CN 103413919 B CN103413919 B CN 103413919B
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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
- Y02E60/10—Energy storage using batteries
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Abstract
The invention relates to a superbattery negative plate and a manufacturing method thereof. A front surface coating adopting lead powder as a main component is coated on the front surface of a substrate, and a carbon material coating is coated on the back surface of the substrate. The front surface coating comprises the following components by weight percent relative to the content of the lead powder: 0.2 to 2.0(wt)% of acetylene black, 1.0 to 2.0 (wt)% of barium sulfate, 0.2 to 0.5 (wt)% of lignin, 0.3 to 0.5 (wt)% of humic acid, 0.1 to 0.8 (wt)% of short fibers and 1 to 5.0(wt)% of adhesives. The carbon material coating 3 comprises the following components by weight percent: 65 to 90(wt)% of carbon material, 5 to 25(wt)% of acetylene black and 1 to 10(wt)% of adhesives. The carbon layer having a double-electric-layer structure is introduced onto the traditional storage battery negative plate, so that the superbattery has high specific power and can be charged and discharged at a large current, the sulfation of the lead paste on the front surface of a cathode at the HRPSOC (high-rate partial state of charge) state can be reduced, and the HEV (hybrid electrical vehicle) application can be met.
Description
Technical field
The invention belongs to Lead-acid Battery Technology field, be specifically related to a kind of Novel super lead-acid battery cathode plate structure.
Background technology
Transport is one of principal element of greenhouse gas emission and the combustion of fossil fuel causing the mankind to produce.Therefore for reducing the use of air pollution and fossil-fueled, the demand of the mankind to hybrid electric vehicle (HEVs) is growing.Superbattery is a kind of hybrid accumulator, combines asymmetric super-capacitor and lead-acid battery in monomer, gets the chief of both technology, does not need extra electrical adjustment.Capacitor can increase power and the life-span of lead-acid battery, because the effect that it serves buffering when discharge and recharge can effectively avoid negative pole sulfation.Further, this hybrid technology can provide rapidly when vehicle acceleration and braking, absorb electric charge.
At present, the HEV energy-storage system of candidate comprises VRLA battery (VRLA), Ni-MH battery, chargeable lithium cell and ultracapacitor.Well-known ultracapacitor can provide very high power, but energy is low, therefore to be applied to HEV, needs to be combined with other battery.Compared with other technology, VRLA battery has obvious advantage and initial cost is low, fixing manufacturing sales network, high-recovery.But the operating cost of this battery is very high, because useful life is short.The lower valve control battery of HEV application must at 30-70%SoC(state-of-charge) under use.Because when SoC lower than 30% time, battery can not transmit the electric current required for starting.On the other hand, when SoC higher than 70% time battery can not effectively accept regenerative braking and engine charging.In addition, under HEV application, the lead sulfate (irreversible lead sulfate) of negative plate gets more and more.The accumulation of lead sulfate significantly reduces the invertibity of battery, so that negative pole no longer can transmit and accept the power needed for engine start, acceleration and regenerative braking, finally causes the premature failure of storage battery.
Patent both at home and abroad about superbattery is three kinds: negative plate is in parallel with super capacitor carbon slab, smear layer of charcoal bottom negative electrode grid, Carbon Materials is added cathode lead plaster as additive.Preparing this kind of superbattery technique makes complicated, and is not easy to realize.
Summary of the invention
The object of the present invention is to provide a kind of super battery negative plate, its basic structure is that pole plate positive and negative applies different materials respectively, makes negative plate have the double grading of battery and electric capacity.Pole plate under this structure makes simple, applied range.
The present invention also aims to the manufacture method that above-mentioned super battery negative plate is provided.Technical scheme of the present invention is achieved in that front side of matrix is the face-coating of main component coated with lead powder, and substrate back is the Carbon Materials coating of main component coated with Carbon Materials.
The composition of described face-coating is: each component is respectively relative to the content of lead powder: acetylene black 0.2 ~ 2.0wt%, barium sulfate 1.0 ~ 2.0wt%, lignin 0.2 ~ 0.5wt%, humic acid 0.3 ~ 0.5wt%, short fiber 0.1 ~ 0.8wt%, and bonding agent is 1 ~ 5.0wt%.
Described matrix selects the alloy material of one or more metals of lead that resistance is very little, copper, aluminium, silver, nickel, magnesium; Substrate thickness 0.01 ~ 0.5mm.
Its each component content of described Carbon Materials coating is respectively Carbon Materials 65 ~ 90wt%, acetylene black 5 ~ 25wt%, bonding agent 1 ~ 10wt%.
Described Carbon Materials is carbon nanotube, graphite, carbon black or active carbon wherein one or more materials.
Described bonding agent is one or more in Kynoar, butadiene-styrene rubber, esters of acrylic acid adhesive, polytetrafluoroethylene and carboxymethyl cellulose.
Manufacture method of the present invention: the front side of matrix back side is coating separately, first spraying or slurry matrix back side Carbon Materials coating, then send in dry kiln dry, keep at least 8h at 50 ~ 100 DEG C, compacting Carbon Materials coating after taking out; Next lead plaster coating coating operation is delivered to, at the spraying of pole plate front or roller coat negative pole face-coating; Finally send into drying process, dry 24 ~ 48h under 80 DEG C of environment.Described face-coating for comprising lead powder, acetylene black, barium sulfate, lignin, humic acid, short fiber add in conjunction cream machine and be dry mixed, adding adhesive solution after mixing carries out wet mixing, bonding agent: water quality ratio=1:10; Finally add the sulfuric acid solution that density is 1.15 ~ 1.40g/ml, sulphuric acid is 1.0 ~ 6.0wt% of lead powder quality, and obtained paint is made at front side of matrix.Described Carbon Materials coating is fully dry mixed for Carbon Materials, acetylene black being added to close in cream machine, bonding agent is joined in deionized water and fully stirs, bonding agent: deionized water quality ratio=1:8, finally the Carbon Materials after being dry mixed is divided and pour into for 3-6 time in adhesive solution, pulp after stirring and obtained paint is made at the matrix back side.
Compared with prior art, the present invention introduces the layer of charcoal with high-ratio surface, the electric double layer that under different potentials, layer of charcoal is contrary with the equal and opposite in direction symbol that electrolyte solution interface exists on traditional storage battery anode plate.The present invention has high-specific-power, high current charge-discharge and reduces negative pole front lead plaster at HRPSOC(high magnification partial state of charge) sulfation under state, have the performance characteristics (such as charging rate is fast, power density is high) of storage battery and capacitor concurrently, workable, avoid charcoal to add and cause the loose of cathode lead plaster to come off.Can high current charge-discharge be provided after being assembled into battery, avoid the sulfation of negative pole under HEV mode.Lightweight, improve specific power and the specific energy of conventional lead acid, and active material and substrate contacts area increase, and effectively improve active material utilization.
The electrode plate structure of battery of the present invention is also applicable to the dual coating of Different electrodes material, and the positive and negative pole lead paste of traditional lead acid batteries also can be coated in thin substrate both sides respectively, is assembled into bipolar battery.
Super winding battery can be assembled in addition after negative plate of the present invention and winding battery positive plate screw winding.
Battery cathode plate structure of the present invention is not only applied to superbattery assembling, equally also can be applied in assembling process in other asymmetric electrodes, such as bipolar battery.
The present invention introduces the layer of charcoal with double electrical layers on traditional storage battery anode plate, and the superbattery be made up of pole plate of the present invention has the following advantages.
L () has the advantage of storage battery high-energy-density and ultracapacitor high-specific-power simultaneously, heavy-current discharge performance is excellent.
(2) greatly slow down the sulfation of storage battery under high magnification partial state of charge, service lifetime of accumulator extends 15% ~ 25%.
(3) charging is by Performance Ratio conventional lead acid battery height about 20%.
Accompanying drawing explanation
Fig. 1 is product structure schematic diagram of the present invention.
Embodiment
It is the anode plate outline drawing of superbattery of the present invention in Fig. 1.The front surface coated of alloy sheets matrix 2 take lead powder as the face-coating 1(cathode lead plaster coat of main component), the backside coating of alloy sheets matrix 2 take Carbon Materials as the Carbon Materials coating 3 of main component.Alloy sheets matrix 2 thickness 0.05 ~ 0.5mm.
Thickness is selected to be that the alloy sheets of 0.05 ~ 0.5mm is as matrix 2, the active component face-coating 1 being main component with traditional cathode lead plaster sprays (or roller coat) in matrix 2 front, be that the Carbon Materials coating 3 of main component sprays (or slurry) and makes to the matrix back side with Carbon Materials, product of the present invention and traditional lead acid batteries positive plate alternate group dress up finished product superbattery.
Face-coating 1 mainly comprises lead powder, acetylene black, barium sulfate, lignin, humic acid, short fiber and bonding agent etc.; Each component is respectively relative to the content of lead powder: acetylene black 0.2 ~ 2.0wt%, barium sulfate 1.0 ~ 2.0wt%, lignin 0.2 ~ 0.5wt%, humic acid 0.3 ~ 0.5wt%, short fiber 0.1 ~ 0.8wt%, and bonding agent is 1 ~ 5.0wt%.Front active material (comprising lead powder, acetylene black, barium sulfate, lignin, humic acid, short fiber) is added close in cream machine and be dry mixed, add adhesive solution (bonding agent: water quality ratio=1:10) after mixing and carry out wet mixing, finally add the sulfuric acid solution that density is 1.15 ~ 1.40g/ml.Sulphuric acid is 1.0 ~ 6.0wt% of lead powder quality.
Active material in Carbon Materials coating 3 comprises Carbon Materials (carbon nanotube, carbon black, active carbon), acetylene black and bonding agent.Each component amount content is respectively Carbon Materials 65 ~ 90wt%, acetylene black 5 ~ 25wt%, bonding agent 1 ~ 10wt%.Active material (comprising Carbon Materials, acetylene black) is added close in cream machine and be fully dry mixed, then bonding agent is joined in deionized water and fully stir (bonding agent: water quality ratio=1:8), finally the Carbon Materials after being dry mixed is divided and pour into for 3-6 time in adhesive solution, pulp after stirring.
The back side, substrate 2 front is coating separately, first sprays (or slurry) substrate back Carbon Materials coating 3, then sends in dry kiln dry, need keep at least 8h at 50 ~ 100 DEG C, compacting Carbon Materials coating 3 after taking out.Next lead plaster coating coating operation is delivered to, at pole plate front spraying (or roller coat) negative pole face-coating 1.Drying process sent into by last whole negative plate, should under 80 DEG C of environment dry 24 ~ 48h.
Claims (7)
1. a super battery negative plate, is characterized in that: alloy sheets front side of matrix is the face-coating of main component coated with lead powder, and alloy sheets matrix backside coating take Carbon Materials as the Carbon Materials coating of main component;
The composition of face-coating is: each component is respectively relative to the content of lead powder: acetylene black 0.2 ~ 2.0wt%, barium sulfate 1.0 ~ 2.0wt%, lignin 0.2 ~ 0.5wt%, humic acid 0.3 ~ 0.5wt%, short fiber 0.1 ~ 0.8wt%, and bonding agent is 1 ~ 5.0wt%;
Described alloy sheets matrix material therefor is the alloy material of lead, copper, aluminium, silver, nickel, magnesium wherein at least two or more metal; Alloy sheets matrix thickness 0.01 ~ 0.5mm.
2. super battery negative plate according to claim 1, is characterized in that: its each component content of described Carbon Materials coating is respectively Carbon Materials 65 ~ 90wt%, acetylene black 5 ~ 25wt%, bonding agent 1 ~ 10wt%.
3. super battery negative plate according to claim 2, is characterized in that: described Carbon Materials is carbon nanotube, graphite, carbon black or active carbon wherein one or more materials.
4. super battery negative plate according to claim 2, is characterized in that: described bonding agent is one or more in Kynoar, butadiene-styrene rubber, esters of acrylic acid adhesive, polytetrafluoroethylene and carboxymethyl cellulose.
5. the manufacture method of super battery negative plate described in a claim 1, it is characterized in that: the alloy sheets front side of matrix back side is coating separately, first spraying or slurry alloy sheets matrix back side Carbon Materials coating, then send in dry kiln dry, at 50 ~ 100 DEG C, drying time, more than 8h, took out rear compacting Carbon Materials coating; Next lead plaster coating coating operation is delivered to, at the spraying of alloy sheets front side of matrix or roller coat negative pole face-coating; Finally send into drying process, at 80 DEG C, drying time 24 ~ 48h.
6. the manufacture method of super battery negative plate according to claim 5, it is characterized in that: described face-coating for comprising lead powder, acetylene black, barium sulfate, lignin, humic acid, short fiber add in conjunction cream machine and be dry mixed, add adhesive solution after mixing and carry out wet mixing, bonding agent: water quality ratio=1:10; Finally add the sulfuric acid solution that density is 1.15 ~ 1.40g/ml, sulphuric acid is 1.0 ~ 6.0wt% of lead powder quality, and obtained paint is made at alloy sheets front side of matrix.
7. the manufacture method of super battery negative plate according to claim 5, it is characterized in that: described Carbon Materials coating is fully dry mixed for Carbon Materials, acetylene black being added to close in cream machine, bonding agent is joined in deionized water and fully stirs, bonding agent: deionized water quality ratio=1:8, finally the Carbon Materials after being dry mixed is divided and pour into for 3-6 time in adhesive solution, pulp after stirring and obtained paint is made at the alloy sheets matrix back side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210528960.6A CN103413919B (en) | 2012-12-11 | 2012-12-11 | Superbattery negative plate and manufacturing method thereof |
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| CN201210528960.6A CN103413919B (en) | 2012-12-11 | 2012-12-11 | Superbattery negative plate and manufacturing method thereof |
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| CN103413919A CN103413919A (en) | 2013-11-27 |
| CN103413919B true CN103413919B (en) | 2015-06-10 |
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| CN109546155A (en) * | 2018-12-21 | 2019-03-29 | 山东圣阳电源股份有限公司 | Superbattery and its negative plate |
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| KR20100041928A (en) * | 2008-10-15 | 2010-04-23 | 한국타이어 주식회사 | Ultrabattery |
| CN101728090A (en) * | 2010-01-21 | 2010-06-09 | 湖南科力远高技术控股有限公司 | Super battery consisting of plumbic acid capacitance and preparation method thereof |
| CN101764263A (en) * | 2009-11-09 | 2010-06-30 | 南京双登科技发展研究院有限公司 | Super lead carbon battery with active carbon negative electrode and preparation method thereof |
| CN101877402A (en) * | 2009-09-18 | 2010-11-03 | 华南师范大学 | Negative plate of storage battery and manufacturing method thereof |
| CN102074703A (en) * | 2010-12-28 | 2011-05-25 | 株洲冶炼集团股份有限公司 | Negative pole lead paste for lead-carbon super storage battery and preparation method thereof |
| CN102324524A (en) * | 2011-09-08 | 2012-01-18 | 山东圣阳电源股份有限公司 | Super battery negative plate |
| CN202268434U (en) * | 2011-10-25 | 2012-06-06 | 深圳市迪迪美环保科技有限公司 | Negative plate of high-power spirally wound lead carbon super storage battery |
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2012
- 2012-12-11 CN CN201210528960.6A patent/CN103413919B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101123139A (en) * | 2007-09-29 | 2008-02-13 | 李中奇 | A dual pole plate for super accumulator |
| KR20100041928A (en) * | 2008-10-15 | 2010-04-23 | 한국타이어 주식회사 | Ultrabattery |
| CN101877402A (en) * | 2009-09-18 | 2010-11-03 | 华南师范大学 | Negative plate of storage battery and manufacturing method thereof |
| CN101764263A (en) * | 2009-11-09 | 2010-06-30 | 南京双登科技发展研究院有限公司 | Super lead carbon battery with active carbon negative electrode and preparation method thereof |
| CN101728090A (en) * | 2010-01-21 | 2010-06-09 | 湖南科力远高技术控股有限公司 | Super battery consisting of plumbic acid capacitance and preparation method thereof |
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| CN102324524A (en) * | 2011-09-08 | 2012-01-18 | 山东圣阳电源股份有限公司 | Super battery negative plate |
| CN202268434U (en) * | 2011-10-25 | 2012-06-06 | 深圳市迪迪美环保科技有限公司 | Negative plate of high-power spirally wound lead carbon super storage battery |
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| CN103413919A (en) | 2013-11-27 |
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