Summary of the invention: at present, the lead acid accumulator that conventional submarine is prepared is 2V6000Ah (discharge of 1 a hour rate) plain edition lead acid accumulator, and the volume of this lead acid accumulator is 270.4dm
3, weight is 647kg.
1 hour rate volumetric specific energy only is 44.378Wh/dm
3
20 hour rate volumetric specific energys only are 76.284Wh/dm
3
1 hour rate gravimetric specific energy only is 14.9Wh/kg;
20 hour rate gravimetric specific energies only are 25.59Wh/kg.Owing to the performance limitations of present submarine, directly influence the operational performance of submarine with lead acid accumulator.In (the 6000A discharge) only 1 hour that full speed ahead, just having to emerges charges the battery as submarine.And the lead acid accumulator that now is used for submarine is the plain edition lead acid accumulator, and this battery can produce a large amount of sulfuric acid mists in charging process, the extremely limited submarine of severe contamination space, infringement soldier health.Submarine can cause battery to spill the electrolyte heavy corrosion submarine parts of sulfuric acid in big marine jolting.And in the running of battery, the soldier will add sulfuric acid electrolyte to battery in narrow space, safeguards that its degree of difficulty is difficult to the imagination.
The present invention proposes a kind of novel high-energy full-sealed lead-acid accumulator, and the object of the present invention is achieved like this:
The positive grid alloy material of this battery is:
Pb+Ax+By+Cz+Du+Ev+Fw+Gt+Ha
Wherein: A=Ca, Sr, k x=0.001~1.0%;
B=Na
2S
4,Na
2S
5 y=0.001~1.0%;
C=As,Bi z=0.001~0.05%;
D=Ce,Cu u=0.001~0.3%;
E=Mg,Al v=0.001~0.3%;
F=Zn,Sn w=0.001~1.0%;
G=In,Ag t=0.001~0.5%;
H=Se,Te a=0.001~0.3%
The positive electrode active compound composition of battery is:
It is 1.08~1.25g/cm that the lead powder that per hundred kilograms of oxidizabilities are 75-78% adds density
3Sulfuric acid solution 3.7L, add different in nature graphite 300-350g, add 800-1000 order ZrO
2Powder 200-280g, add superfine metal lead powder 300-320g, add the acrylic short fiber of 200-280g, add the PTFE of 100-180g, transferring to apparent gravity with pure water is 4.25-4.3g/cm
3
The negative plate grid alloy material of this battery is:
Pb+Ax+Cz+Du+Ev+Fw
Wherein: A=Ca, Na, K, Sr x=0.001~0.5%;
C=Zn,Sn z=0.01~1.0%;
D=Ag,Bi u=0.001~0.5%;
E=Cu,Zn v=0.001~0.3%;
F=Ce,S w=0.001~0.2%
The composition of cathode active materials of battery is:
It is 1.08-1.30g/cm that the lead powder that per hundred kilograms of oxidizabilities are 75-80% adds density
3Sulfuric acid solution 3.5-3.8L, add α β naphthoic acid 600-700g, add BaSO
4600-700g adds different in nature graphite 300-350g, adds 200-300g800-1200 purpose Al
2O
3Powder adds 800-1000 purpose ZrO
2Powder 100g adds humic acid 500-600g, and transferring to the lead plaster apparent gravity with pure water is 4.15-4.25g/cm
3
Battery case adopts the ABS engineering material, adopts nylon.
Electrolyte prescription is the phosphoric acid that adds 1% percent by volume in the sulfuric acid solution of 64-65%, adds 0.08% ortho phosphorous acid disodium, adds 0.02%NaSO
4, the CaSO of adding 0.01%
4
Embodiment:
Embodiment 1:
Make the bike high energy and fully closed maintenance-free lead accumulator of 2V6000Ah (1 hour rate) submarine.
1, shell adopts the ABC engineering plastics, and shell overall dimension is 638mm * 386mm * 1098mm
2, barrier film is selected the barrier film that is used for sealed lead-acid accumulator free from maintenance that Nanjing glass fibre research institute produces for use.
3, positive plate grid size (seeing Figure of description 1-1): 558mm * 346mm * 4mm
Grid size: wide 50m, high 20m, totally four.
Negative grid size (seeing Figure of description 1-2): 558mm * 346mm * 2.5mm
Grid, the wide 50m of plate ear, high 20m, totally four.
4, the production of positive plate grid after Pb melt, adds 0.09% Ca, the Na of adding 0.05% in lead melting furnace
2S
4, the Ag of adding 0.02%, the Al of adding 0.02%, the Cu of adding 0.02%, the Sn of adding 0.2%, the Se of adding 0.01%, temperature rises to 520 ± 10 ℃, preserves moisture 15-20 minute, is cast in the anode plate grid mould, makes anode plate grid.
5, bear the production of plate grid: after Pb is melted, add 0.095% Ca in lead melting furnace, add 0.02% Cu, the Bi of adding 0.01%, the S of adding 0.01%, the Sn of adding 0.5%, temperature rises to 510 ± 10 ℃, waters in the grid mould that casts from cast iron, makes negative plate grid.
6, in closing the cream machine, add and add 0.15% acrylic short fiber behind the Pb powder, add 0.08% PTFE, add 0.08% different in nature graphite, add 0.06% ZrO
2, adding density is 1.25g/cm
3H
2SO
4Solution adds 3.7L in per hundred kilograms of Pb powder, and transferring to the lead plaster apparent gravity with pure water is 4.25g/cm
3, leave standstill after 15 minutes this lead plaster is applied to positive plate grid, make positive plate.
7, the Pb powder is put into the cream machine that closes, added 0.02% barium sulfate, add 0.21% humic acid, add 0.18% α β naphthoic acid, add 0.02% Al
2O
3, adding 0.18% acrylic short fiber, adding density is 1.25g/cm
3H
2SO
4Solution (per hundred kilograms of lead powder add 3.6L), transferring to the lead plaster apparent gravity with pure water is 4.2g/cm
3, this lead plaster is applied to volt plate grid, make negative plate.
8, positive and negative pole plate is by conventional curing, chemical synthesis technology, make ripe pole plate, 96 positive plates and 100 negative plates are divided into four groups, 24 of every group of positive plates, 25 of negative plates are in the anti-expansion set of packing into, acid-proof applies mechanically nylon or the ABS engineering plastics are made, be of a size of 526mm * 350mm * 236mm, wall thickness 2.6mm, anti-expansion set is seen Figure of description 2.
With the positive and negative pole plate anti-expansion set of packing into, 24 positive plates, 25 negative plates.Specifically see Figure of description 3.
With bus-bar plate is welded, see Figure of description 4.
With four groups of bus-bar welderings, see Figure of description 5 in the battery case of packing into.
Connect and draw 8 poles, four positive poles, four negative poles are specifically seen Figure of description 6.
Arrive battery upper casing good seal with the ABS adhesive, adding proportion is 1.30g/cm
3Electrolyte, the composition of electrolyte be sulfuric acid solution to add percent by volume be 1% phosphoric acid, add 0.08% ortho phosphorous acid disodium, add 0.02% NaSO
4, the CaSO of adding 0.01%
4
The performance index of novel battery are as follows:
|
Original submarine 2V6000Ah battery |
Novel battery |
Volume (mm) |
638×386×1098(270dm
3)
|
638×386×1098 (270dm
3)
|
6000A closes capacity discharge time |
Closed 6000Ah in 1 hour |
Closed 18000Ah in 3 hours |
250A discharge time |
Closed 12500Ah in 50 hours |
Closed 25000Ah in 100 hours |
Volumetric specific energy (1 hour rate) |
44.4Wh/dm
3 |
133Wh/dm
3 |
Volumetric specific energy (50 hour rate) |
92.59Wh/dm
3 |
185.18Wh/dm
3 |
Weight |
647kg |
800kg |
Gravimetric specific energy (1 hour rate) |
18.54Wh/kg |
45Wh/kg |
Battery types |
Plain edition |
Closed maintenance free |