CN106601974A - Carbon fiber grid for power battery and application of carbon fiber grid - Google Patents
Carbon fiber grid for power battery and application of carbon fiber grid Download PDFInfo
- Publication number
- CN106601974A CN106601974A CN201611068852.XA CN201611068852A CN106601974A CN 106601974 A CN106601974 A CN 106601974A CN 201611068852 A CN201611068852 A CN 201611068852A CN 106601974 A CN106601974 A CN 106601974A
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- grid
- lead
- mass percent
- lug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/68—Selection of materials for use in lead-acid accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
- H01M50/541—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges for lead-acid accumulators
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a carbon fiber grid for a power battery. The carbon fiber grid comprises a grid framework and a tab, wherein the grid framework consists of ribs and frames; the tab is fixed on the top of the grid framework; the grid framework is prepared from carbon fibers and epoxy resin in a mixing manner; the tab is manufactured by lead-tin alloy; and the surface of the grid framework is plated with a lead-plating layer with a thickness of 3[mu]m through an electroplating manner. The carbon fiber grid has the advantages as follows: the lead dosage of the battery produced by the process can be reduced by 10-15%; the gravimetric specific energy can reach 45Wh/Kg at 3hr; the low-temperature property is good; and the production cost is reduced by 3-5%.
Description
Technical field
The present invention relates to a kind of carbon fiber grid, specifically, is related to a kind of electrokinetic cell carbon fiber grid and its answers
With.
Background technology
In recent years electric automobile industry development is rapid, and corresponding battery requirements amount is also to increase sharply, and each battery production enterprise is confused
The confused input for increasing batteries of electric automobile so that the price competition of battery enterprise is fiercer, profit is reduced.How battery matter is improved
Amount reduces battery cost and puts in face of enterprise.Grid act primarily as in the battery support active material and conduction effect, and this
Body does not react offer electric energy, and the negative plate grid of current lead-acid accumulator is most using slicker solder or lead-calcium-tin alloy, this kind
Alloy price is higher, and density ratio is larger（11.0ml/g）, affect the ratio ability and cost of lead-acid accumulator.Therefore can seek
A kind of light weight, the used grid alloy of low-cost material substitution are looked for, this will improve battery specific energy, reduce battery cost,
The synthesized competitiveness of raising company.To solve the above problems, the present invention provides a kind of electrokinetic cell carbon fiber grid.
The content of the invention
It is an object of the invention to provide one kind grid by made by carbon fiber and epoxy resin, is manufactured using this kind of grid
Battery reduces lead consumption 10-15%, and 3hr gravimetric specific energies reach 45Wh/Kg, and low temperature performance well, production cost reduces 3-5%.
The technical solution used in the present invention is：
A kind of electrokinetic cell carbon fiber grid, including grid skeleton and lug, by rib and frame group on the grid skeleton
Into the lug is fixed on the top of grid skeleton, and the grid skeleton is mixed by carbon fiber and epoxy resin, the pole
Ear is processed by terne metal, and the surface of the grid skeleton is coated with the lead-coat of one layer of 3um thickness by the way of plating.
Further, the carbon fiber for phosphorus content >=95% polyacrylonitrile-based carbon fibre, the addition of the epoxy resin
Amount is the 20%-35% of grid skeleton gross weight.
Further, the lug is using gravity casting or calendering by the terne metal that stanniferous amount is 0.5%-1.8%
Mode is processed.
Concretely comprising the following steps for negative plate is made using it：By mass percent be the lead powder of 70-75%, mass percent be
0.8% density is the dilute sulfuric acid of 1.4g/ml, mass percent be 0.1% barium sulfate, mass percent is 0.03% acetylene black, quality
Percentage be 0.02% humic acid, mass percent be 0.03% lignin, mass percent be 0.01% polypropene staple and water and
The lead plaster of system is uniformly coated in carbon fiber grid, and at 50-60 DEG C, in the atmosphere of relative humidity 92-100% 24- is solidified
36h, makes the lead plating of carbon fiber surface oxidation occur and being combined together tightly with lead plaster, then in 75-80 DEG C of hot conditions
Under dried, until active material water content be less than 0.5%, be fabricated to carbon fiber negative plate.
Carbon fiber negative plate is combined into into semi-finished product battery with normal positive plate, by being internalized into production production technology
It is fabricated to resultant battery.Lead consumption 10-15% can be reduced using the battery of this kind of technique productions, 3hr gravimetric specific energies reach
45Wh/Kg, low temperature performance well, production cost reduces 3-5%.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Wherein：1st, lug, 2, rib, 3, frame, 4, grid skeleton.
Specific embodiment
As shown in figure 1, a kind of electrokinetic cell carbon fiber grid, including grid skeleton 4 and lug 1, on grid skeleton 4 by
Rib 2 and frame 3 are constituted, and lug 1 is fixed on the top of grid skeleton 4, grid skeleton 4 by phosphorus content >=95% polyacrylonitrile
Base carbon fibre and epoxy resin are mixed, and the addition of the epoxy resin is the 20%-35% of grid skeleton gross weight, lug
1 is processed for the terne metal of 0.5%-1.8% by stanniferous amount by the way of gravity casting or calendering, lug and grid skeleton
One complete carbon fiber grid of composition is combined, on the surface of the grid skeleton 4 of carbon fiber grid the side of plating is adopted
Formula is coated with the lead-coat of one layer of 3um thickness.
Concretely comprising the following steps for negative plate is made using it：By mass percent be the lead powder of 70-75%, mass percent be
0.8% density is the dilute sulfuric acid of 1.4g/ml, mass percent be 0.1% barium sulfate, mass percent is 0.03% acetylene black, quality
Percentage be 0.02% humic acid, mass percent be 0.03% lignin, mass percent be 0.01% polypropene staple and water and
The lead plaster of system is uniformly coated in carbon fiber grid, and at 50-60 DEG C, in the atmosphere of relative humidity 92-100% 24- is solidified
36h, makes the lead plating of carbon fiber surface oxidation occur and being combined together tightly with lead plaster, then in 75-80 DEG C of hot conditions
Under dried, until active material water content be less than 0.5%, be fabricated to carbon fiber negative plate.
Above-mentioned carbon fiber negative plate is applied to into 3-EVF-200（3hr）On battery, each performance parameter contrast such as following table：
Claims (4)
1. a kind of electrokinetic cell carbon fiber grid, including grid skeleton and lug, by rib and frame on the grid skeleton
Composition, the lug is fixed on the top of grid skeleton, it is characterised in that：The grid skeleton is mixed by carbon fiber and epoxy resin
Conjunction is made, and the lug is processed by terne metal, and the surface of the grid skeleton is coated with one layer of 3um by the way of plating
The lead-coat of thickness.
2. a kind of electrokinetic cell carbon fiber grid according to claim 1, it is characterised in that：The carbon fiber is carbon containing
The polyacrylonitrile-based carbon fibre of amount >=95%, the addition of the epoxy resin is the 20%-35% of grid skeleton gross weight.
3. a kind of electrokinetic cell carbon fiber grid according to claim 1 and 2, it is characterised in that：The lug be by
Stanniferous amount is processed for the terne metal of 0.5%-1.8% by the way of gravity casting or calendering.
4. a kind of electrokinetic cell carbon fiber grid according to claim 3, it is characterised in that：It is by mass percent
The lead powder of 70-75%, mass percent be 0.8% density be the dilute sulfuric acid of 1.4g/ml, mass percent be 0.1% barium sulfate, matter
Amount percentage is 0.03% acetylene black, mass percent is 0.02% humic acid, mass percent is 0.03% lignin, quality percentage
Uniformly it is coated in carbon fiber grid than the lead plaster for 0.01% polypropene staple and water and system, and at 50-60 DEG C,
Solidify 24-36h in the atmosphere of relative humidity 92-100%, the lead plating for making carbon fiber surface occurs oxidation and the knot with lead plaster tightly
It is combined, then is dried under 75-80 DEG C of hot conditions, until the water content of active material is less than 0.5%, is fabricated to
Carbon fiber negative plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068852.XA CN106601974A (en) | 2016-11-29 | 2016-11-29 | Carbon fiber grid for power battery and application of carbon fiber grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068852.XA CN106601974A (en) | 2016-11-29 | 2016-11-29 | Carbon fiber grid for power battery and application of carbon fiber grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106601974A true CN106601974A (en) | 2017-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611068852.XA Pending CN106601974A (en) | 2016-11-29 | 2016-11-29 | Carbon fiber grid for power battery and application of carbon fiber grid |
Country Status (1)
| Country | Link |
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| CN (1) | CN106601974A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086308A (en) * | 2017-04-27 | 2017-08-22 | 天能电池集团有限公司 | A kind of lead accumulator grid and preparation method thereof |
| CN107170990A (en) * | 2017-05-24 | 2017-09-15 | 海志电源技术（赣州）有限公司 | A kind of power lead-acid storage battery and its manufacture method |
| CN107611426A (en) * | 2017-09-26 | 2018-01-19 | 安徽轰达电源有限公司 | A kind of cathode lead plaster and preparation method thereof |
| CN108166245A (en) * | 2017-12-12 | 2018-06-15 | 双登集团股份有限公司 | For making the carbon fiber felt processing method of carbon fiber battery grid |
| CN109167014A (en) * | 2018-08-30 | 2019-01-08 | 广州倬粤动力新能源有限公司 | The connection method of electrode plate grid and tab |
| CN110224142A (en) * | 2019-07-03 | 2019-09-10 | 周诚悦 | A kind of netting casting type lead-acid battery anode grid and preparation method thereof |
| CN110224143A (en) * | 2019-07-01 | 2019-09-10 | 清华大学深圳研究生院 | Lead-acid battery collector, preparation method, pole plate and lead-acid battery |
| CN110277561A (en) * | 2019-07-03 | 2019-09-24 | 周诚悦 | A kind of lead-acid battery lead calcium carbon anode grid and preparation method thereof |
| CN110311140A (en) * | 2019-07-03 | 2019-10-08 | 周诚悦 | A kind of lead-acid battery anode grid and preparation method thereof |
| CN110336027A (en) * | 2019-06-25 | 2019-10-15 | 安徽海容能源科技有限公司 | The dilute battery lead plaster of graphite |
| CN111883776A (en) * | 2020-07-06 | 2020-11-03 | 超威电源集团有限公司 | Carbon fiber lead-plated mesh grid and manufacturing method thereof |
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| JPS58140974A (en) * | 1982-02-16 | 1983-08-20 | Matsushita Electric Ind Co Ltd | Production method of lattice body for lead storage battery |
| CN101092707A (en) * | 2007-04-06 | 2007-12-26 | 昆明理工大学 | Method for preparing aluminium and lead composite electrode material |
| CN101707253A (en) * | 2009-11-09 | 2010-05-12 | 江苏富思特电源有限公司 | Positive grid of lead-acid accumulator |
| CN101877402A (en) * | 2009-09-18 | 2010-11-03 | 华南师范大学 | Negative plate of storage battery and manufacturing method thereof |
| CN102244268A (en) * | 2011-05-27 | 2011-11-16 | 杭州中亿科技有限公司 | Method for manufacturing carbon fiber reinforced lead alloy plate grid and winding lead-acid battery |
| US20130323607A1 (en) * | 2009-11-24 | 2013-12-05 | Nikolai Nikolaevich Issaev | Secondary electrochemical cells with separator and electrolyte combination |
| CN105280924A (en) * | 2015-09-16 | 2016-01-27 | 双登集团股份有限公司 | Plate grid of negative plate for lead-acid storage battery |
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| JPS58140974A (en) * | 1982-02-16 | 1983-08-20 | Matsushita Electric Ind Co Ltd | Production method of lattice body for lead storage battery |
| CN101092707A (en) * | 2007-04-06 | 2007-12-26 | 昆明理工大学 | Method for preparing aluminium and lead composite electrode material |
| CN101877402A (en) * | 2009-09-18 | 2010-11-03 | 华南师范大学 | Negative plate of storage battery and manufacturing method thereof |
| CN101707253A (en) * | 2009-11-09 | 2010-05-12 | 江苏富思特电源有限公司 | Positive grid of lead-acid accumulator |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086308A (en) * | 2017-04-27 | 2017-08-22 | 天能电池集团有限公司 | A kind of lead accumulator grid and preparation method thereof |
| CN107086308B (en) * | 2017-04-27 | 2020-06-26 | 天能电池集团股份有限公司 | Lead storage battery grid and preparation method thereof |
| CN107170990A (en) * | 2017-05-24 | 2017-09-15 | 海志电源技术（赣州）有限公司 | A kind of power lead-acid storage battery and its manufacture method |
| CN107170990B (en) * | 2017-05-24 | 2019-11-05 | 海志电源技术（赣州）有限公司 | A kind of power lead-acid storage battery and its manufacturing method |
| CN107611426A (en) * | 2017-09-26 | 2018-01-19 | 安徽轰达电源有限公司 | A kind of cathode lead plaster and preparation method thereof |
| CN108166245A (en) * | 2017-12-12 | 2018-06-15 | 双登集团股份有限公司 | For making the carbon fiber felt processing method of carbon fiber battery grid |
| CN109167014A (en) * | 2018-08-30 | 2019-01-08 | 广州倬粤动力新能源有限公司 | The connection method of electrode plate grid and tab |
| CN109167014B (en) * | 2018-08-30 | 2022-09-13 | 广州倬粤动力新能源有限公司 | Method for connecting electrode grid and tab |
| CN110336027A (en) * | 2019-06-25 | 2019-10-15 | 安徽海容能源科技有限公司 | The dilute battery lead plaster of graphite |
| CN110224143A (en) * | 2019-07-01 | 2019-09-10 | 清华大学深圳研究生院 | Lead-acid battery collector, preparation method, pole plate and lead-acid battery |
| CN110311140A (en) * | 2019-07-03 | 2019-10-08 | 周诚悦 | A kind of lead-acid battery anode grid and preparation method thereof |
| CN110277561A (en) * | 2019-07-03 | 2019-09-24 | 周诚悦 | A kind of lead-acid battery lead calcium carbon anode grid and preparation method thereof |
| CN110224142A (en) * | 2019-07-03 | 2019-09-10 | 周诚悦 | A kind of netting casting type lead-acid battery anode grid and preparation method thereof |
| CN111883776A (en) * | 2020-07-06 | 2020-11-03 | 超威电源集团有限公司 | Carbon fiber lead-plated mesh grid and manufacturing method thereof |
| CN111883776B (en) * | 2020-07-06 | 2021-07-20 | 超威电源集团有限公司 | Carbon fiber lead-plated mesh grid and manufacturing method thereof |
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Application publication date: 20170426 |
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