CN106159258A - The uniform mixing method of lead carbon battery nano-scale carbon - Google Patents
The uniform mixing method of lead carbon battery nano-scale carbon Download PDFInfo
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- CN106159258A CN106159258A CN201510172084.1A CN201510172084A CN106159258A CN 106159258 A CN106159258 A CN 106159258A CN 201510172084 A CN201510172084 A CN 201510172084A CN 106159258 A CN106159258 A CN 106159258A
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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 present invention discloses the uniform mixing method of a kind of lead carbon battery nano-scale carbon, it is characterized in using lead nitrate solution or lead acetate solution to add nano-scale carbon aaerosol solution, it is allowed to mix homogeneously by the method for centrifugal mixer, add sodium carbonate liquor after the dispersion of solution Quick uniform, continue stirring, form ceruse precipitation, in ceruse forming process, absorption nano-sized carbon, form the mixture of uniform ceruse plus nano carbon, after filtration clean and
420
Degree heating, forms lead oxide and nano-sized carbon homogeneous mixture and carbon dioxide.The present invention carries out absorption dispersion by chemical solution reaction, and scattered uniformity has the raising of the order of magnitude, to nano-scale carbon and lead molecule mix homogeneously ability
RSD
≤
0.1%
, bring up to prior art
100
More than Bei, not only reduce the consumption of expensive nano-sized carbon, the most significantly improve lead carbon battery deep-circulating performance.
Description
Technical field
The present invention relates to a kind of nano-scale carbon mixed method, particularly relate to the uniform mixing method of a kind of lead carbon battery nano-scale carbon (comprising nano-sized carbon, CNT, Graphene etc.), belong to battery pole plates manufacture technology field.
Background technology
Lead carbon battery is by battery and a kind of novel power supply system (including superbattery) mixed in ultracapacitor.Developed by the combination of Lead-acid Battery Technology and supercapacitor technologies, it has lead-acid battery high-energy and the high-power advantage of ultracapacitor, this battery overcomes sulfation, improve discharge capability and transformation efficiency, adapt to the working condition recycled under non-fully state-of-charge, make cycle life increase substantially, be particularly well-suited to energy storage field and the energy-saving automobile of band start-stop function.
Lead carbon battery can provide in equal volume and accept bigger operating current, the suitable duty such as high rate cyclic and momentary pulse electric discharge, it is possible to provide reliable, cheap, safe electric power system solution for photovoltaic energy storage system, mixed power electric car, communication system.Obtain the support energetically of national governments.Under the support of international advanced lead-acid battery community (ALABC), the development of lead carbon battery achieves progress.On August 5th, 2009, U.S.'s Obama administration announces 2,400,000,000 dollars of plans supporting Development of Electric Vehicles, and this plan proposes the battery subsidy for research plan of 1,500,000,000 dollars, and wherein the lead carbon battery technology for supporting reaches 35,000,000 dollars.
Graphene (Graphene) is a kind of Two-dimensional Carbon material, is single-layer graphene, bilayer graphene and the general designation of few layer graphene.Graphene is considered as hypothetical structure always, cannot independent stable existence, until 2004, Univ Manchester UK physicist An Deliehaimu (Andre Geim) and Constantine's Nuo Woxiao love (Konstantin Novoselov), Graphene is isolated the most in an experiment from graphite, and confirming that it can be with individualism, two people, also because of " in the initiative experiment of two-dimensional graphene material ", obtain Nobel Prize in physics in 2010 jointly.Further, Graphene also has output at nature, the particle state phase of the circle quantum that it is presented as under high-energy physics state.
Graphene is the nano material that known world is the thinnest, the hardest, and it is almost fully transparent, only absorbs the light of 2.3%；Heat conductivity is up to 5300 W/m K, and higher than CNT and diamond, under room temperature, its electron mobility is more than 15000 cm2/V s, ratio CNT or silicon wafer height again, and resistivity only about 10-8 Ω m, lower than copper or silver, for the material that world resistivity is minimum.Because its resistivity is extremely low, the speed of electron transfer is exceedingly fast, a kind of transparent, good conductor, if used in field of batteries, the performance of battery will be greatly improved.
Technological core as lead carbon battery, nano-scale carbon (comprises nano-sized carbon, CNT, Graphene etc.) uniformly hybrid technology be to ensure that high rate cyclic and momentary pulse electric discharge and the key in deeper cavity life-span, due to nano material self agglomeration and the feature of lead particle specific gravity great disparity, the most dispersed extremely difficult, whether mechanical agitation (the high speed shear of process for dispersing currently mainly, ball milling, ultrasonic etc.), (surface chemical modification after Chemical modification, mainly there is hydroxylating, carboxylated etc.) dispersion, surfactant (SDS, CTVB etc.) the uniformity being all difficult to point difference, significantly limit the raising of lead carbon battery performance.
Summary of the invention
The purpose of the present invention is that for problems of the prior art, it is provided that the uniform mixing method of a kind of new nano-scale carbon.
The technical scheme that the present invention is given is: this lead carbon battery nano-scale carbon (comprises nano-sized carbon, CNT, Graphene etc.) uniform mixing method, it is characterized in using lead nitrate solution to add nano-scale carbon aaerosol solution, it is allowed to mix homogeneously by the method for centrifugal mixer, sodium carbonate liquor is added after the dispersion of solution Quick uniform, continue stirring, formation ceruse precipitates, in ceruse forming process, absorption nano-sized carbon, form the mixture of uniform ceruse plus nano carbon, clean and 420 degree of heating after filtration, form lead oxide and nano-sized carbon homogeneous mixture and carbon dioxide.
Lead oxide and nano-sized carbon homogeneous mixture proportion and particles of lead oxide proportion are close, can conventionally mix.
Plumbi nitras in such scheme can also use lead acetate solution to add nano-scale carbon aaerosol solution, it is allowed to mix homogeneously by the method for centrifugal mixer, forming the mixture of uniform ceruse plus nano carbon by the way of carbon dioxide, process below is consistent.
Compared with prior art, beneficial effects of the present invention is.
Absorption dispersion is carried out by chemical solution reaction, scattered uniformity has the raising of the order of magnitude, to nano-scale carbon and lead molecule mix homogeneously ability RSD≤0.1%, bring up to prior art more than 100 times, this technology not only reduces the consumption of expensive nano-sized carbon, the most significantly improves lead carbon battery deep-circulating performance.
Integrated artistic easily realizes in technical grade produces, and does not has environmental pollution.
Can be to use in the secondary cell or one-shot battery of other forms such as lithium electricity, ni-mh.
Specific embodiments
Below in conjunction with instantiation, technical scheme is described in detail, but the present invention is not limited to this.
Embodiment 1.
Plumbi nitras (30%) aqueous solution 500ml is used to add nano-scale carbon aaerosol solution (> 99wt% purity graphite alkene 200ML), with 50 turns/S centrifugal mixer 15 minutes, it is allowed to mix homogeneously, add speed 300ml/ minute saturated solution of sodium carbonate (1500ml), with 50 turns/S centrifugal mixer, formation ceruse precipitates, in ceruse forming process, absorption nano-sized carbon, form the mixture of uniform ceruse plus nano carbon, clean after filtration, form about 120g ceruse crystal, heat 30 minutes by it and at 420 degree, form lead oxide and nano-sized carbon homogeneous mixture and carbon dioxide overflows.Mixing according to routine after lead oxide plus nano carbon, the test uniformity is RSD≤0.09%.
Embodiment 2.
Lead acetate (35%) aqueous solution 500ml is used to add nano-scale carbon aaerosol solution (> 99wt% purity graphite alkene 200ML), with 50 turns/S centrifugal mixer 15 minutes, it is allowed to mix homogeneously, add excess carbon dioxide gas (adding speed 100ml/ minute), with 50 turns/S centrifugal mixer, formation ceruse precipitates, in ceruse forming process, absorption nano-sized carbon, form the mixture of uniform ceruse plus nano carbon, clean after filtration, form about 170g ceruse crystal, by it and 420 degree of heating, form lead oxide and nano-sized carbon homogeneous mixture and carbon dioxide overflows.Mixing according to routine after lead oxide plus nano carbon, the test uniformity is RSD≤0.07%.
Embodiment 3.
Prior art contrast (as a example by using equivalent weight lead oxide and Graphene mixing).
Mixing machinery stirring 2800 revs/min of uniformitys of high speed shear are RSD≤0.25%.
200 revs/min of uniformitys of ball milling are RSD≤0.30%.
After Chemical modification, the hydroxylating uniformity is RSD≤0.20%.
It is RSD≤0.20% that surfactant SDS is separated into the uniformity.
It it is more than the meansigma methods of three samples.
Claims (3)
1. the uniform mixing method of lead carbon battery nano-scale carbon, it is characterized in that using lead nitrate solution or lead acetate solution to add nano-scale carbon aaerosol solution, it is allowed to mix homogeneously by the method for centrifugal mixer, sodium carbonate liquor is added after the dispersion of solution Quick uniform, continue stirring, formation ceruse precipitates, in ceruse forming process, absorption nano-sized carbon, form the mixture of uniform ceruse plus nano carbon, clean after filtration and 420 degree of heating, form lead oxide and nano-sized carbon homogeneous mixture and carbon dioxide.
nullThe uniform mixing method of lead carbon battery nano-scale carbon the most according to claim 1，It is characterized in that using plumbi nitras (30%) aqueous solution 500ml to add nano-scale carbon aaerosol solution (> 99wt% purity graphite alkene 200ML)，With 50 turns/S centrifugal mixer 15 minutes，It is allowed to mix homogeneously，Add speed 300ml/ minute saturated solution of sodium carbonate (1500ml)，With 50 turns/S centrifugal mixer，Formation ceruse precipitates，In ceruse forming process，Absorption nano-sized carbon，Form the mixture of uniform ceruse plus nano carbon，Clean after filtration，Form about 120g ceruse crystal，Heat 30 minutes by it and at 420 degree，Form lead oxide and nano-sized carbon homogeneous mixture and carbon dioxide overflows，Mix according to routine after lead oxide plus nano carbon，The test uniformity is RSD≤0.09%.
nullThe uniform mixing method of lead carbon battery nano-scale carbon the most according to claim 1，It is characterized in that using lead acetate (35%) aqueous solution 500ml to add nano-scale carbon aaerosol solution (> 99wt% purity graphite alkene 200ML)，With 50 turns/S centrifugal mixer 15 minutes，It is allowed to mix homogeneously，Add excess carbon dioxide gas (adding speed 100ml/ minute)，With 50 turns/S centrifugal mixer，Formation ceruse precipitates，In ceruse forming process，Absorption nano-sized carbon，Form the mixture of uniform ceruse plus nano carbon，Clean after filtration，Form about 170g ceruse crystal，By it and 420 degree of heating，Form lead oxide and nano-sized carbon homogeneous mixture and carbon dioxide overflows，Mix according to routine after lead oxide plus nano carbon，The test uniformity is RSD≤0.07%.
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| CN201510172084.1A CN106159258A (en) | 2015-04-14 | 2015-04-14 | The uniform mixing method of lead carbon battery nano-scale carbon |
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| CN201510172084.1A CN106159258A (en) | 2015-04-14 | 2015-04-14 | The uniform mixing method of lead carbon battery nano-scale carbon |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212172A (en) * | 2019-05-10 | 2019-09-06 | 重庆大学 | A kind of composite material and preparation method of carbon material in-situ deposition nanometer lead crystal grain/lead oxide |
| CN112928261A (en) * | 2021-02-24 | 2021-06-08 | 超威电源集团有限公司 | Lead powder with lead oxide graphene core-shell structure and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610801A (en) * | 2011-12-30 | 2012-07-25 | 华南师范大学 | Hydrothermal preparation method of carbon coated lead powder composite materials for lead carbon super batteries |
| CN103035894A (en) * | 2012-12-19 | 2013-04-10 | 浙江工业大学 | Method for preparing composite modified material for lead carbon superbattery |
-
2015
- 2015-04-14 CN CN201510172084.1A patent/CN106159258A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610801A (en) * | 2011-12-30 | 2012-07-25 | 华南师范大学 | Hydrothermal preparation method of carbon coated lead powder composite materials for lead carbon super batteries |
| CN103035894A (en) * | 2012-12-19 | 2013-04-10 | 浙江工业大学 | Method for preparing composite modified material for lead carbon superbattery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212172A (en) * | 2019-05-10 | 2019-09-06 | 重庆大学 | A kind of composite material and preparation method of carbon material in-situ deposition nanometer lead crystal grain/lead oxide |
| CN110212172B (en) * | 2019-05-10 | 2021-06-04 | 重庆大学 | Carbon material in-situ deposition nano-lead crystal grain/lead oxide composite material and preparation method thereof |
| CN112928261A (en) * | 2021-02-24 | 2021-06-08 | 超威电源集团有限公司 | Lead powder with lead oxide graphene core-shell structure and preparation method thereof |
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