CN2473753Y - Winding type valve control sealed battery - Google Patents
Winding type valve control sealed battery Download PDFInfo
- Publication number
- CN2473753Y CN2473753Y CN01209148U CN01209148U CN2473753Y CN 2473753 Y CN2473753 Y CN 2473753Y CN 01209148 U CN01209148 U CN 01209148U CN 01209148 U CN01209148 U CN 01209148U CN 2473753 Y CN2473753 Y CN 2473753Y
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- CN
- China
- Prior art keywords
- layer
- battery
- negative electrode
- negative
- separator
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- Expired - Fee Related
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- Y02E60/126—
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- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a spirally wound valve-controlled sealed battery. A battery cell is arranged in a shell, and the battery cell is provided with a positive pole rod and a negative pole rod, and is wound by a positive layer and a negative layer and two isolation layers which can imbibe electrolyte, and the isolation layer is provided between the positive layer and the negative layer. The positive layer comprises a grid lead fabric layer and positive lead paste layers coated on the two sides, and the negative layer comprises a grid lead fabric layer and negative lead paste layers coated on the two sides. The lead fabric layer is composed of a glass wool inner core and a Pb-Sn alloy coating outer layer. The batter has high specific energy and specific power, and good large current discharge performance and rapid charging performance, as well as long service life.
Description
The utility model belongs to lead acid accumulator.
Typical lead acid accumulator generally has one or more monomers, and each monomer has positive pole, negative pole and the dividing plate between positive and negative electrode usually, and fills with electrolyte between positive and negative electrode.The common lead acid accumulator overwhelming majority is the pasting plate battery, and it has positive plate, negative plate and the dividing plate of being put in battery case and the groove, and is provided with positive and negative pole and is connected in positive and negative pole plate respectively.
Flat valve control battery is owing to adopt dull and stereotyped pole plate, and pole plate can not be done too thinly, so the specific energy of battery is less, useful life is shorter.
For overcoming described defective, the valve-control sealed batteries of company's developmental research takeup type such as Optima, Exide, Bolder, GNB have abroad been arranged, beginning of having put into production.The domestic developmental research report that the valve-control sealed battery of takeup type is not arranged as yet.The grid of the external valve-control sealed battery of takeup type has plenty of the slim lead alloy cavernous structure of employing, has plenty of the ultrathin film of employing structure, grid by casting, draw in the net or on stereotype punching make.In battery, mainly the electrify effect of stream aggregation body of grid, grid must have high overpotential of hydrogen evolution in battery, the anode plate grid material also must have decay resistance preferably, the positive and negative electrode grid preferably adopts highly purified lead to make, the purity requirement of negative electrode grid is more than 99.99%, in order that reduce hydrogen-evolution overpotential as far as possible, also can adopt lead alloy in addition, as terne metal with high overpotential of hydrogen evolution.Adopting pure lead to also have a benefit, is exactly that its pliability is relatively good, very favourable to making ultra-thin grid.Make the pure lead of grid or the hardness of lead alloy to being used to, certain requirement is arranged, its Brinell hardness requires less than 10kg/mm
2, preferably less than 8kg/mm
2Generally about 1.0mm, thickness is crossed the heavy-current discharge performance that conference reduces battery to the thickness of grid, and the operating winding of pole plate is relatively more difficult; The making of the too little then grid of thickness and be coated with relatively difficulty of cream operation, and can increase the possibility that battery is short-circuited in recycling process.The thickness of negative electrode grid and anode plate grid is preferably between 0.6～1.0 than between 0.5～1.2.But described two kinds of structures all have same shortcoming: 1, grid is made difficulty.Because grid is thinner, and requires grid hardness little, make relatively difficulty.The general at present special manufactures such as roll-in, punching, die casting that adopt.2, the specific energy of battery is difficult to further raising.
The purpose of this utility model is to provide a kind of heavy-current discharge performance preferably that has for addressing the above problem, higher specific energy and specific power, and long service life, rapid charge characteristic is good, makes to be relatively easy to the valve-control sealed battery of takeup type.
Technical solution of the present utility model is to be provided with battery cell in housing, battery cell is provided with positive terminal and negative terminal, being sandwiched between anodal layer and the negative electrode layer these four layers between but described battery cell is isolated with one by two separators of an anodal layer, a negative electrode layer and imbibition electrolyte reels in the lump and forms, its special character is that described anodal layer is that anode diachylon layer by latticed plumbous layer of cloth and coated on both sides thereof constitutes, and negative electrode layer is that the cathode lead plaster layer by latticed plumbous layer of cloth and coated on both sides thereof constitutes.
Can be provided with some described battery cells in its housing of the utility model, be serially connected with conductive bus-bar between the battery cell.
Described plumbous layer of cloth is formed by the latticed braiding of compound spongy lead.
Typical compound spongy lead is to be glass fiber, outer extruding plating Pb-Sn alloy by inner core, pulls into the spongy lead that diameter is 0.4 ± mm again, and the surface applies the insulation high-molecular coating again, with prevent galvanized wire by electrolyte wetting after, cause battery short circuit and self discharge.This compound spongy lead has higher intensity and corrosion resistance and good electrical conductivity, and weight is lighter.
Separator described in the utility model is to contain SiO
2The glass fibre rete.
The thickness of its anodal layer of the utility model and negative electrode layer can be 0.2mm～1.5mm, preferred 0.5mm～1.0mm, this size is suitable for the coiling and molding of utmost point layer most, and utmost point layer too thick is that lead plaster comes off easily when reeling, and the 2nd, influence the heavy-current discharge performance and the active material utilization of battery.The thickness of separator is 0.4～1.4 with the ratio of the thickness of negative electrode layer.
How many electric weight battery can emit, and depends primarily on the amount and the utilance thereof of anodal layer, the coated lead plaster of negative electrode layer (active material) in the battery.The utility model is because the positive and negative electrode layer needs to reel, and its lead paste formula and common VRLA battery are not quite similar, the positive and negative flaggy of plain edition VRLA battery (plate) be Pb and the PbO of the lead plaster that is coated with employing add various additive combinations and form.The anodal layer of the utility model adopts different lead plasters with negative electrode layer.Anode diachylon is with PbO, Pb
3O
4, H
2SO
4Mix together with additive, adhesive, additive mainly contains Ti
4O
7/ Ti
5O
9, material such as carbon monocrystalline short fiber, the adhesive effect is the viscosity that increases lead plaster, makes utmost point layer lead plaster difficult drop-off when reeling; In addition, also add a kind of special macromolecule conducting material, its content is 0.001～0.5%, and its effect mainly is formation efficiency and the active material utilization that improves battery.Cathode lead plaster is main component with PbO, adds accounting for the swelling agent of total amount about 5% and 0.001～0.5% additive again, and swelling agent will have been led BaSO
4, carbon black, lignosulphonates etc.
Separator described in the utility model be a kind of with one or more layers with nanoscale SiO
2Ultra-fine fibre glass rete for matrix with porous.The average diameter of typical separator ultra-fine fibre glass generally between 0.2 micron～10 microns, is preferably between 0.4 micron～5 microns.Separator must have higher porosity, porosity after the separator compression is generally 80%～98%, be preferably 85%～95%, require separator to have higher specific surface area in addition, in order that absorb and keep a large amount of electrolyte, and for electronics is transferred to anodal compound certain passage that provides from negative pole, its BET surface area should be 0.2～3.0m
2/ g is preferably 1.0～2.0m
2/ g.
The utility model is wound into the utmost point group of column type in this way with described one anodal layer, a negative electrode layer and two separators, be assembled into battery, and then perfusion density is 1.25～1.40g/cm
3Sulfuric acid, through changing into, just make coiled battery.
The utility model is owing to adopt plumbous layer of cloth in its coated on both sides anode diachylon layer and as anodal layer, adopt plumbous layer of cloth the cathode lead plaster layer to be arranged and as negative electrode layer in its coated on both sides, separator together with energy imbibition electrolyte is wound into battery cell in the lump, plumbous layer of cloth is formed by the latticed braiding of compound spongy lead, anodal layer and negative electrode layer can be had make and go up realization easily, be suitable for reeling, can optimize the suitable thickness of battery performance, this thickness makes the distance of utmost point interlayer enough little, thereby make this battery have high specific energy and specific power, have good heavy-current discharge performance and rapid charge characteristic, and the application of plumbous layer of cloth just makes this battery, negative electrode layer has higher-strength and corrosion resistance, has good electrical conductivity, weight is also lighter, and long service life.
Below in conjunction with the novel execution mode of this reality of description of drawings.
Fig. 1 is the valve-control sealed battery general structure of a utility model takeup type schematic diagram;
Fig. 2 is battery one a side direction structural representation shown in Figure 1;
Fig. 3 is that battery opposite side shown in Figure 1 is to structural representation;
Fig. 4 is the anodal layer of this battery one battery cell, negative electrode layer, separator and part spread schematic diagram thereof;
Fig. 5 is this anode layer structural representation;
Fig. 6 is the compound spongy lead structural representation of this used in battery.
The valve-control sealed battery of this routine takeup type as shown in Figure 1, is provided with six battery cells 2 in housing 1, battery cell is provided with positive terminal 5 and negative terminal 4, is serially connected with positive terminal and negative terminal that conductive bus-bar 2 is connected in the adjacent cell monomer between the battery cell.Battery cell is reeled in the lump by separator 6, anodal layer 7, separator 8 and negative electrode layer 9 successively and is formed (shown in Figure 4), anodal layer 7 is that the anode diachylon layer 11 by latticed plumbous layer of cloth 10 and coated on both sides thereof constitutes (shown in Figure 5), and negative electrode layer 9 is that the cathode lead plaster layer by latticed plumbous layer of cloth and coated on both sides thereof constitutes.Described plumbous layer of cloth is formed by the latticed braiding of compound spongy lead, this compound spongy lead be by inner core be glass fiber 12, skin to be that Pb-Sn alloy plating layer 13 is compound constitute (shown in Figure 6), its diameter is 0.4 ± mm.The thickness of anodal layer 7, negative electrode layer 9 is between 0.5mm～1.0mm.Separator the 6, the 8th contains SiO
2The glass fibre rete, but imbibition electrolyte, its compression back thickness is 0.4～1.4 with the ratio of the thickness of negative electrode layer.The perfusion sulfuric acid electrolyte soaks into and is adsorbed in separator 6,8 in the housing 1.
Claims (8)
1, the valve-control sealed battery of takeup type, be provided with battery cell in the housing, battery cell is provided with positive terminal and negative terminal, described battery cell is formed to be sandwiched between the one separator to reel in the lump between anodal layer and the negative electrode layer by the separator (6,8) of an anodal layer (7), a negative electrode layer (9) and all right one way or the other imbibition electrolyte, it is characterized in that described anodal layer (7) is that anode diachylon layer (11) by latticed plumbous layer of cloth (10) and coated on both sides thereof constitutes, negative electrode layer (9) is that the cathode lead plaster layer by latticed plumbous layer of cloth and coated on both sides thereof constitutes.
2, battery as claimed in claim 1 is characterized in that being provided with in the housing some described battery cells (3), is serially connected with conductive bus-bar (2) between the battery cell (3).
3, battery as claimed in claim 1 or 2 is characterized in that described plumbous layer of cloth (10) is formed by the latticed braiding of compound spongy lead.
4, battery as claimed in claim 3 is characterized in that described compound spongy lead is to be glass fiber (12), outer to be the compound formation of Pb-Sn alloy plating layer (13) by inner core.
5, battery as claimed in claim 3 is characterized in that described separator is to contain SiO
2The glass fibre rete.
6, battery as claimed in claim 4 is characterized in that the thickness of anodal layer (7) and negative electrode layer (9) is 0.2mm～1.5mm, and the ratio of the thickness of separator (6,8) and the thickness of negative electrode layer (9) is 0.4～1.4, and described its diameter of compound spongy lead is 0.4 ± nm.
7,, it is characterized in that the thickness of anodal layer (7) and negative electrode layer (9) is 0.5mm～1.0mm as battery as described in the claim 6.
8, it is that described separator is to contain SiO that battery as claimed in claim 7, its thing are levied
2The glass fibre rete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01209148U CN2473753Y (en) | 2001-03-14 | 2001-03-14 | Winding type valve control sealed battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01209148U CN2473753Y (en) | 2001-03-14 | 2001-03-14 | Winding type valve control sealed battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2473753Y true CN2473753Y (en) | 2002-01-23 |
Family
ID=33629061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01209148U Expired - Fee Related CN2473753Y (en) | 2001-03-14 | 2001-03-14 | Winding type valve control sealed battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2473753Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956926A (en) * | 2012-06-20 | 2013-03-06 | 宋海城 | Sealed lead-acid battery with multiple vertical winding cells |
| CN102956927A (en) * | 2012-06-20 | 2013-03-06 | 宋海城 | Sealed lead-acid battery with multiple horizontal winding cells |
| CN111584877A (en) * | 2020-04-17 | 2020-08-25 | 超威电源集团有限公司 | Light lead accumulator |
-
2001
- 2001-03-14 CN CN01209148U patent/CN2473753Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956926A (en) * | 2012-06-20 | 2013-03-06 | 宋海城 | Sealed lead-acid battery with multiple vertical winding cells |
| CN102956927A (en) * | 2012-06-20 | 2013-03-06 | 宋海城 | Sealed lead-acid battery with multiple horizontal winding cells |
| CN111584877A (en) * | 2020-04-17 | 2020-08-25 | 超威电源集团有限公司 | Light lead accumulator |
| CN113451584A (en) * | 2020-04-17 | 2021-09-28 | 超威电源集团有限公司 | Lead-acid storage battery grid and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |