CN101609894A - Lead-acid storage battery ceramic electrode grid and preparation method thereof - Google Patents
Lead-acid storage battery ceramic electrode grid and preparation method thereof Download PDFInfo
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- CN101609894A CN101609894A CNA2009100697433A CN200910069743A CN101609894A CN 101609894 A CN101609894 A CN 101609894A CN A2009100697433 A CNA2009100697433 A CN A2009100697433A CN 200910069743 A CN200910069743 A CN 200910069743A CN 101609894 A CN101609894 A CN 101609894A
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Abstract
The present invention is a kind of lead-acid storage battery ceramic electrode grid and manufacture method thereof, ceramic electrode grid is made of lead alloy grid and ceramic bottom board, at the described lead alloy grid of the two sides of described ceramic bottom board die casting, described ceramic bottom board has through hole, described lead alloy grid comprises that lead alloy rib and frame form a plurality of spaces, and the lead alloy grid on ceramic bottom board two sides has tie point in the through hole.The manufacture method of ceramic electrode grid comprises the making of ceramic bottom board and the die casting of lead alloy grid.Utilize the high conformity of the battery of the battery lead plate that ceramic electrode grid of the present invention makes through large current density fast detecting explanation ceramic bottom board grid board battery, the cycle-index height improves the capacity of storage battery greatly; Therefore can obtain longer useful life.
Description
Technical field
The present invention relates to storage battery, especially relate to employed electrode grid of lead acid batteries electrode plate and preparation method thereof.
Background technology
Storage battery has become the indispensable part of all trades and professions as the mobile energy.In panoramic storage battery, because lead acid accumulator has advantages such as electric current is big, cell tension is high, material is easy to get, low price, so volume of production and marketing accounts for first in the storage battery all the time, but because its volume is big, heavy, self discharge is big, the life-span is short, specific energy is low, the fail safe used is unreliable, have shortcoming such as acid mist to restrict its application in a lot of fields.
At present, along with expanding economy and lead-acid battery are used more and more widely, people are more and more higher to the performance requirement of lead-acid battery.Performance and operating characteristic in order to improve lead acid accumulator have worked out the cathode absorption type sealed lead acid storage battery in middle nineteen sixties, and the seventies is produced sealed cell in a large number.Sealed cell has replaced most traditional lead acid accumulators, and application is also constantly enlarging.In sealed lead acid storage battery, determining battery quality, as performance index such as battery capacity, gravimetric specific energy, useful life, standard cycle number of times mainly is the grid and the electrolyte of battery.Select good alloy material for slab lattice and grid structure, the utilance of the conductivity that improves pole plate, active material, decay resistance etc. are had good facilitation.Domestic present grid mainly is to adopt forging type, and electrode plate structure is also nothing more than two kinds of common tubular type and paste spread types.Deficiencies such as exist pole plate specific mass height, capacity is little, and specific energy is low, and it is short to recycle the life-span, and the charging interval is long.Present trend is to use the lightweight grid
Be used as the paste spread type storage accumulator plate of battery terminal at present, positive/negative plate all adopts the grid that has same size, has in length and breadth a vertical rib to make, with the prepared accumulator plate of the grid of this structure, utilization rate of raw materials is low, the cost height, and accumulator plate is very fast because of current conduction path, makes the bigger internal drop of storage battery Lu Sheng, causes the reduction of power output.Existing grid is also relatively poor to the adhesive force of lead plaster, and the lead plaster on the pole plate in use can constantly come off, and is commonly called as " dry linting ", has reduced the useful life of battery capacity and storage battery.
In order to address the above problem, a kind of novel lead-acid storage battery that battery industry occurs in recent years, be referred to as lead-a cid battery, the base material of its pole plate, grid also is called plumbous cloth, its manufacturing process, and adopting with the glass filament bundle at present is core, the cold-extruded lead extrusion prepares spongy lead, is woven into net, soldering polar ear aftershaping then.With the plumbous cloth that this weaving manner is made, though plumbous consumption is lower than the casting grid of traditional lead acid accumulator, also there is the too high problem of the plumbous consumption of grid in lack of homogeneity.
Summary of the invention
The invention provides a kind of ceramic electrode grid, use this grid to make high energy storage battery positive plate, the said positive-pole plate structure of making rationally, can keep battery capacity, prolong the life of storage battery.
In order to realize purpose of the present invention, a kind of lead-acid storage battery ceramic electrode grid is proposed, constitute by lead alloy grid and ceramic bottom board, at the described lead alloy grid of the two sides of described ceramic bottom board die casting, described ceramic bottom board has through hole, and the lead alloy grid on described ceramic bottom board two sides has tie point in described through hole.
Described lead alloy grid comprises lead alloy rib and frame, and described rib and frame form a plurality of spaces, and an end of described grid is provided with lug; Described ceramic bottom board evenly is provided with big hole and small sircle hole at interval, during the grid of the described two sides of die casting, has tie point by described big hole and small sircle hole two sides grid, forms to be electrically connected.
Described ceramic bottom board is generally rectangular laminar ceramic material, and described ceramic bottom board is of a size of: length=65mm, and wide=43mm, thick=1.2mm.The rib spacing of described lead alloy grid generally remains on 0.5-4mm.
The present invention also proposes a kind of manufacture method of ceramic electrode grid, comprises the making of ceramic bottom board and the die casting of lead alloy grid, and described ceramic bottom board manufacture craft comprises:
1) certain proportional arrangement is become potter's clay in the moulding of stamping machine dip mold, again through the arrangement after, through tunnel klining system, the temperature that tunnel cave is fired is controlled at 1000～1200 ℃;
2) employed tunnel cave is that electronic ceramic pushes away the electric tunnel cave of double-plate, its technical parameter:
Heating group number: 3 sections, 6 heating groups;
Temperature control method: adopt the intelligent temperature control instrument, it is temperature automatically controlled that silicon controlled toggle is pressed the PID principle, and temperature digital shows, has overtemperature alarm and protection;
The high-temperature region temperature: 1200 ℃, 1250 ℃ of maximum permissible temperatures;
Temperature-controlled precision: temperature controlling point ± 3 ℃; Flat-temperature zone section temperature difference in the stove ± 5 ℃;
Installed capacity: 80KW, kiln main body insulation power is not more than 60KW;
Main thruster speed: 0.6～2.4m/h is adjustable continuously, standard speed 1.36m/h;
The propeller working method: fluid pressure type promotes, and full-automatic circulation advances;
3) baking kiln: before the baking kiln kiln body upper cover plate is opened, all advance exhaust valve and open.Press temperature curve intensification baking kiln, each heating is incubated after having organized technological temperature, no longer heats up; Beginning was advanced plate with standard speed after temperature reached 500 ℃.
The extrusion process process of described lead alloy grid on ceramic bottom board comprises equipment, technological parameter, the temperature, pressure of raw-material prescription, method for processing, use; Wherein
Raw-material prescription: the composition of lead alloy is lead and tin, wherein tin=1.5% lead
Use equipment to be hot chamber machine;
Processing method comprises step:
Inspection → school mould → adjustment injection speed and pressure → other adjustment → start pressure testing before the start;
Locked mode → button chews → injection → feed back → from chew → die sinking → thimble action → pneumatic takes the lead and sprays → mode transfer.
The prescription of the certain proportion potter's clay of described making ceramic bottom board is: diatomite 30～60%, quartz 20～40%, white bole 10～35%, alundum (Al 9～12%, 9～12% and di-iron trioxide 0.1～0.8%.
Prescription the best of described potter's clay is: diatomite 45%, quartz 23.5%, white bole 11.3%, alundum (Al 10%, water 10%, di-iron trioxide 0.2%.
Described hot injection moulding machine technological parameter:
A) clamp force: 88ton
B) guide pillar diameter: 60mm
C) intercolumniation room: 360 * 360mm
D) molar thickness: 127/30mm
E) opening stroke: 270mm
F) penetrate position (center/off-centre): 0/50mm
G) penetrate hammer diameter: 50/55mm
H) penetrate vertical stroke: 130mm
I) ejaculation power: 7ton
J) maximum ejaculation amount: 1.1/1.3kg
K) from chewing stroke: 190mm
The temperature curve of described baking kiln is:
| Temperature (℃) | Programming rate (℃/h) | Time (h) |
| ??20～1000 | ??50 | ??19.6 |
| ??1000～1200 | ??80 | ??2.5 |
| ??200 ??500 ??800 ??1000 ??1200 | 40～46 40～46 15～21 40～46 45～51 add up to: 169.4 | |
| Add up to | 9 days |
Each heating group temperature is set at:
| The heating group | ??1 | ??2 | ??3 | ??4 | ??5 | ??6 |
| Desired temperature (℃) | ??800 | ??800 | ??1200 | ??1200 | ??1200 | ??1200 |
Advantage of the present invention is:
Improved the capacity of product, anode plate grid is made the active material collector with lead alloy, its surface area is more a lot of greatly than the surface area of common grid, the active material utilization height. the corresponding raising of capacity, and can fully contact with active material, so the internal resistance of this kind pole plate is littler than normal pole plate, makes it discharge capacity and give full play to; Have the big advantage with the active material full contact of in light weight, surface area simultaneously, therefore, under the constant situation of maintenance pole plate weight. can improve the capacity of storage battery greatly; Therefore ceramic bottom board intensity height can obtain longer useful life, has improved life of product.
Description of drawings
Fig. 1 is existing electrode grid structural representation;
Fig. 2 is the ceramic bottom board structural representation of ceramic electrode grid of the present invention;
Fig. 3 is the structural representation of ceramic electrode grid of the present invention.
Among the figure
1 electrode grid, 5 frames
2 spaces, 6 ceramic bottom boards
3 ribs, 7 big holes
4 lugs, 8 small sircle holes
Embodiment
Be described in detail as follows below in conjunction with the concrete structure of accompanying drawing ceramic electrode grid of the present invention:
Fig. 1 is existing electrode grid structural representation; Its structure is by lead or lead alloy material preparation.Electrode grid 1 be shaped as grille-like shown in Figure 1, form a plurality of spaces 2 by the rib 3 and the frame 5 of vertical arrangement in length and breadth, an end of grid 1 is provided with lug 4.When using this electrode grid to make electrode, the full-filling lead plaster constitutes accumulator plate on the grid 1 of vertical rib 3 in length and breadth having.
Ceramic electrode grid of the present invention is by Fig. 2 and shown in Figure 3.Wherein, Fig. 2 is the ceramic bottom board structural representation of ceramic electrode grid of the present invention; Ceramic bottom board 6 is rectangular laminar ceramic material, evenly distributed big hole 7 and small sircle hole 8.The ceramic bottom board size is generally: length=65mm, and wide=43mm, thick=1.2mm.
Fig. 3 is the structural representation of ceramic electrode grid of the present invention.This ceramic electrode grid is to utilize the casting rolling depression method, at the two sides of ceramic bottom board shown in Figure 26 die casting lead alloy grid, forms ceramic electrode grid.Its structure as shown in Figure 3,
All comprise lead alloy rib 3 and frame 5 on the two sides of ceramic bottom board 6, and form 2, two grids 1 in a plurality of spaces ceramic bottom board 6 is clipped in the middle.One end of grid 1 is provided with lug, by macropore 7 and aperture 8 tie point is arranged between the rib 3 of the grid on two sides, whole lead alloy grid 1 and ceramic bottom board form the ceramic electrode grid of an integral body, evenly be applied to lead plaster on the grid then, carry out constant current and change into, finish the making of battery terminal at last.
Wherein, the technical process of ceramic bottom board 6 making comprises: the equipment of raw-material prescription, use, technological parameter and temperature, pressure control etc.
Raw-material prescription: its potter's clay ratio is: diatomite 30～60, optimum value 45; Quartz 20～40, optimum value 23.5; White bole 10～35, optimum value 11.3; Alundum (Al 9～12, optimum value 10; Water 9～12, optimum value 10; Di-iron trioxide 0.1～0.8, optimum value 0.2.
Method for processing:
1, at first will make pottery with soil become potter's clay according to certain proportional arrangement, in the moulding of stamping machine dip mold, again through the arrangement after, through tunnel klining system, the temperature that tunnel cave is fired is controlled at 1000～1200 ℃.
2, use electronic ceramic to push away the electric tunnel cave of double-plate, its technical parameter:
Heating group number: 3 sections, 6 heating groups.
Temperature control method: adopt the intelligent temperature control instrument, it is temperature automatically controlled that silicon controlled toggle is pressed the PID principle, and temperature digital shows, has overtemperature alarm and protection.
The high-temperature region temperature: 1200 ℃, 1250 ℃ of maximum permissible temperatures.
Temperature-controlled precision: temperature controlling point ± 3 ℃; Flat-temperature zone section temperature difference in the stove ± 5 ℃.
Installed capacity: 80KW, kiln main body insulation power is not more than 60KW.
Main thruster speed: 0.6～2.4m/h is adjustable continuously, standard speed 1.36m/h.
The propeller working method: fluid pressure type promotes, and full-automatic circulation advances.
3, baking kiln: before the baking kiln kiln body upper cover plate is opened, all advance exhaust valve and open.Press temperature curve intensification baking kiln, each heating is incubated after having organized technological temperature, no longer heats up; Beginning was advanced plate with standard speed after temperature reached 500 ℃.
Baking kiln curve:
| Temperature (℃) | Programming rate (℃/h) | Time (h) |
| ??20～1000 | ??50 | ??19.6 |
| ??1000～1200 | ??80 | ??2.5 |
| ??200 ??500 ??800 ??1000 ??1200 | 40～46 40～46 15～21 40～46 45～51 add up to: 169.4 | |
| Add up to | 9 days |
Each heating group temperature is set:
| The heating group | ??1 | ??2 | ??3 | ??4 | ??5 | ??6 |
| Desired temperature (℃) | ??800 | ??800 | ??1200 | ??1200 | ??1200 | ??1200 |
The extrusion process process of lead alloy on ceramic electrode grid comprises: the equipment of raw-material prescription, method for processing, use, technological parameter, temperature, pressure etc.
1, raw-material prescription: the composition of lead alloy is lead and tin, wherein tin=1.5% lead
2 equipment: hot chamber machine
3, processing method:
Inspection → school mould → adjustment injection speed and pressure → other adjustment → start pressure testing before the start.
Locked mode → button chews → injection → feed back → from chew → die sinking → thimble action → pneumatic takes the lead and sprays → mode transfer.
4, hot injection moulding machine technological parameter:
A) clamp force: 88ton
B) guide pillar diameter: 60mm
C) intercolumniation room: 360 * 360mm
D) molar thickness: 127/30mm
E) opening stroke: 270mm
F) penetrate position (center/off-centre): 0/50mm
G) penetrate hammer diameter: 50/55mm
H) penetrate vertical stroke: 130mm
I) ejaculation power: 7ton
J) maximum ejaculation amount: 1.1/1.3kg
K) from chewing stroke: 190mm
High energy storage battery ceramic electrode grid pole plate provided by the present invention, be that the full-filling lead plaster constitutes on the grid of the vertical rib in length and breadth with ceramic bottom board kernel, wherein the rib spacing of anode plate grid remains on 0.5-4mm, and the rib of negative plates grid is asked apart from remaining in the 4-20mm scope.The anode plate grid of such scheme increases rib density, reduces the rib spacing, and the current conduction path square has improved power output.
The described slab lattice thickness of such scheme is pulled grid and is increased to some extent than existing, and thickness can reach 3-20mm, the pole plate lead plaster body thickening of working it out like this, and mechanical strength is big, and efficient height, monolithic pole plate are equivalent to 2～3 times on existing pole plate.
Be coated with that active material utilization in the cream is the highest only to reach 40--50% on the power type battery plate of the prior art, therefore influenced the power performance of battery.The high energy of active material utilization of the present invention reaches 60--70%.
Through ceramic bottom board grid board battery large current density fast detecting (testing result sees Table 1), the high conformity of ceramic bottom board grid board battery is described, the cycle-index height, the life-span is long.
Claims (9)
1. lead-acid storage battery ceramic electrode grid, constitute by lead alloy grid and ceramic bottom board, it is characterized in that, at the described lead alloy grid of the two sides of described ceramic bottom board die casting, described ceramic bottom board has through hole, and the lead alloy grid on described ceramic bottom board two sides has tie point in described through hole.
2. ceramic electrode grid according to claim 1 is characterized in that, described lead alloy grid comprises lead alloy rib and frame, and described rib and frame form a plurality of spaces, and an end of described grid is provided with lug; Described ceramic bottom board evenly is provided with big hole and small sircle hole at interval, and described grid is connected with small sircle hole by described big hole.
3. ceramic electrode grid according to claim 1 is characterized in that, described ceramic bottom board is rectangular laminar ceramic material, and described ceramic bottom board is of a size of: length=65mm, and wide=43mm, thick=1.2mm.
4. ceramic electrode grid according to claim 1 is characterized in that, the rib spacing of described lead alloy grid remains on 0.5-4mm.
5. make manufacture method, comprise the making of ceramic bottom board and the die casting of lead alloy grid, it is characterized in that as the described ceramic electrode grid of claim 1-4,
Described ceramic bottom board manufacture craft comprises:
1) certain proportional arrangement is become potter's clay in the moulding of stamping machine dip mold, again through the arrangement after, through tunnel klining system, the temperature that tunnel cave is fired is controlled at 1000～1200 ℃;
2) employed tunnel cave is that electronic ceramic pushes away the electric tunnel cave of double-plate, its technical parameter:
Heating group number: 3 sections, 6 heating groups;
Temperature control method: adopt the intelligent temperature control instrument, it is temperature automatically controlled that silicon controlled toggle is pressed the PID principle, and temperature digital shows, has overtemperature alarm and protection;
The high-temperature region temperature: 1200 ℃, 1250 ℃ of maximum permissible temperatures;
Temperature-controlled precision: temperature controlling point ± 3 ℃; Flat-temperature zone section temperature difference in the stove ± 5 ℃;
Installed capacity: 80KW, kiln main body insulation power is not more than 60KW;
Main thruster speed: 0.6～2.4m/h is adjustable continuously, standard speed 1.36m/h;
The propeller working method: fluid pressure type promotes, and full-automatic circulation advances;
3) baking kiln: before the baking kiln kiln body upper cover plate is opened, all advance exhaust valve and open.Press temperature curve intensification baking kiln, each heating is incubated after having organized technological temperature, no longer heats up; Beginning was advanced plate with standard speed after temperature reached 500 ℃;
The extrusion process process of described lead alloy grid on ceramic bottom board comprises equipment, technological parameter, the temperature, pressure of raw-material prescription, method for processing, use; Wherein
Raw-material prescription: the composition of lead alloy is lead and tin, wherein tin=1.5% lead
Use equipment to be hot chamber machine;
Processing method comprises step:
Inspection → school mould → adjustment injection speed and pressure → other adjustment → start pressure testing before the start;
Locked mode → button chews → injection → feed back → from chew → die sinking → thimble action → pneumatic takes the lead and sprays → mode transfer.
6. the manufacture method of ceramic bottom board according to claim 5, it is characterized in that the prescription of the certain proportion potter's clay of described making ceramic bottom board is: diatomite 30～60%, quartz 20～40%, white bole 10～35%, alundum (Al 9～12%, 9～12% and di-iron trioxide 0.1～0.8%.
7. the manufacture method of ceramic bottom board according to claim 6 is characterized in that, the prescription of described potter's clay is specially: diatomite 45%, quartz 23.5%, white bole 11.3%, alundum (Al 10%, water 10%, di-iron trioxide 0.2%.
8. the manufacture method of ceramic electrode grid according to claim 5 is characterized in that, described hot injection moulding machine technological parameter:
A) clamp force: 88ton
B) guide pillar diameter: 60mm
C) intercolumniation room: 360 * 360mm
D) molar thickness: 127/30mm
E) opening stroke: 270mm
F) penetrate position (center/off-centre): 0/50mm
G) penetrate hammer diameter: 50/55mm
H) penetrate vertical stroke: 130mm
I) ejaculation power: 7ton
J) maximum ejaculation amount: 1.1/1.3kg
K) from chewing stroke: 190mm
9. the manufacture method of ceramic bottom board according to claim 5 is characterized in that, the temperature curve of described baking kiln is:
Each heating group temperature is set at:
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100697433A CN101609894A (en) | 2009-07-16 | 2009-07-16 | Lead-acid storage battery ceramic electrode grid and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100697433A CN101609894A (en) | 2009-07-16 | 2009-07-16 | Lead-acid storage battery ceramic electrode grid and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515728A (en) * | 2011-12-16 | 2012-06-27 | 北京鸿源能信科技有限责任公司 | Conductive ceramic, method for preparing same and application for same |
| CN103840218A (en) * | 2012-11-23 | 2014-06-04 | 赵坚强 | Light environmentally-friendly lead acid storage battery |
| CN104037421A (en) * | 2014-06-25 | 2014-09-10 | 江苏佳成科技股份有限公司 | Storage battery polar plate of electric bicycle |
-
2009
- 2009-07-16 CN CNA2009100697433A patent/CN101609894A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515728A (en) * | 2011-12-16 | 2012-06-27 | 北京鸿源能信科技有限责任公司 | Conductive ceramic, method for preparing same and application for same |
| CN102515728B (en) * | 2011-12-16 | 2013-10-30 | 北京鸿源能信科技有限责任公司 | Conductive ceramic, method for preparing same and application for same |
| CN103840218A (en) * | 2012-11-23 | 2014-06-04 | 赵坚强 | Light environmentally-friendly lead acid storage battery |
| CN104037421A (en) * | 2014-06-25 | 2014-09-10 | 江苏佳成科技股份有限公司 | Storage battery polar plate of electric bicycle |
| CN104037421B (en) * | 2014-06-25 | 2016-03-30 | 沙洲职业工学院 | A kind of electromobile battery pole plate |
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Open date: 20091223 |