CN1175506C - Preparation method of positive plate lead paste of lead-acid battery - Google Patents
Preparation method of positive plate lead paste of lead-acid battery Download PDFInfo
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- CN1175506C CN1175506C CNB011217243A CN01121724A CN1175506C CN 1175506 C CN1175506 C CN 1175506C CN B011217243 A CNB011217243 A CN B011217243A CN 01121724 A CN01121724 A CN 01121724A CN 1175506 C CN1175506 C CN 1175506C
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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 a preparation method for the positive plate lead plaster of a lead-acid accumulator. A temperature controlled from 30 to 45 DEG C after sulfuric acid is added in original technology for making lead plaster is changed into a temperature of 70 to 95 DEG C. after positive plate lead plaster made by the present invention is coated on positive slab lattice, an accumulator can have high initial capacity, the average service life of the accumulator is prolonged more than 30 %, the initial performance of the accumulator is the same as that of the accumulator using the lead plaster made by former technology, and the early capacity attenuation of the accumulator can be effectively prevented. The accumulator using the lead plaster made by the present invention can well meet the requirements of the development of automotive industry.
Description
One, technical field:
The present invention relates to a kind of manufacture method of positive plate lead paste of lead-acid battery.
Two, background technology:
Lead acid accumulator is widely used in various fields such as automobile, post and telecommunications, electric power, stand-by power supply.The production of lead acid accumulator has dual mode at present, and a kind of is that to be coated with cream flat, and a kind of is tubulose powder filling formula.Being coated with the cream mode produces, specific energy advantages of higher big with its capacity and accounts for more than 95% of whole production mode.In the paste spread type technology lead plaster with system be the process that storage battery is produced most critical, the prescription of lead plaster and production technology have determined the performance of lead acid accumulator to a great extent, are the technological cores that lead acid accumulator is made.Paste spread type technology is based on lead powder, water, sulfuric acid, additive and makes lead plaster, and it is coated on the grid, constitutes the basic material of active material, then through changing into the generation active material.The process that reaches past and system lead plaster at present all adopts 30～45 ℃ low temperature, finds that through X light diffracting analysis the lead plaster composition of low temperature and system is tribasic lead sulfate 3PbOPbSO
4, this lead plaster is coated on the positive grid, and is relatively poor through the active material adhesion that changes into generation, easy softening and shedding, and use the storage battery of this lead plaster the premature capacity loss problem can occur, make life of storage battery premature termination; Even the premature capacity loss problem do not occur, the life-span of storage battery is also short, can not satisfy the needs of automobile industry development.
Three: summary of the invention:
The present invention overcomes above-mentioned shortcoming exactly, and a kind of manufacture method of positive plate lead paste of lead-acid battery is provided, and the storage battery that makes the lead plaster that adopts this production technology and system is life-saving effectively.
Technical solution of the present invention is: a kind of production technology of positive plate lead paste of lead-acid battery: with technical requirement PbO content is that 73%～85% lead powder is put into stirring-type and closed the cream machine, (percentage composition is to calculate with the lead powder weight ratio to add 0.02%～0.08% simultaneously, fiber down together), after stirring, add 10%～13% pure water and stir, adding concentration with the spray shape then is 1.40g/cm
3Sulfuric acid 8%～9.5%, the limit edged stirs, and it is characterized in that adding behind the sulfuric acid in 7 minutes, temperature should control to 70～95 ℃, preferred range is 75～85 ℃, constant temperature stirred 15～35 minutes.Cool to 30～45 ℃ then, can obtain this positive plate lead paste of lead-acid battery.
Because removing, the positive plate lead paste of lead-acid battery that the present invention produces contains tribasic lead sulfate 3PbOPbSO
4Outside the composition, also contain four basic lead sulphate 4PbOPbSO of proper proportion
4Composition changes into back 4PbOPbSO
4Compare 3PbOPbSO
4Produce stronger, longer acicular crystal, and intermesh, constituted the skeleton structure of active material, can increase pole plate intensity, prolong the life-span that recycles of storage battery.Variation has taken place in the living plate composition that scribbles this lead plaster, and very big change has taken place structure, and after changing into, large and small crystallization distributes rationally.Little crystallization has very strong activity, big crystallization can guarantee the intensity of pole plate, and positive plate uses the utilance height of the accumulator plate active material of this lead plaster, makes battery both have higher initial capacity, make it that good life-span is arranged again, can effectively prevent the premature capacity loss of storage battery.The test method in storage battery useful life: (using the 6-QW-60 battery testing), in 40 ℃ water-bath, 1. with 15A discharge 2 hours; 2. use 16V constant voltage 15A current-limiting charge 5 hours; 3. above-mentionedly 1. 2. constitute a circulation, when voltage is lower than 10V when discharge, be end-of-life.The life of storage battery that shows lead plaster ratio employing low temperature that adopts high temperature and make and the lead plaster of making by above test method test can on average prolong more than 30%, and battery has higher initial capacity.Closing cream and low temperature from high temperature shown in Figure 1 closes cream life-span comparison diagram and can find out and adopt high temperature can prolong 90 times than the battery cycle life of the lead plaster of low temperature and system.In order to following method test: 1. 20 hour rate capacity in 27 ± 5 ℃ environment, are discharged to 10.5V with 3A, the capacity of emitting.2.-18 placed 20 hours in ℃ the environment, immediately with the 280A discharge, write down 30 seconds, 150 seconds discharge voltage after the taking-up.Result of the test shows, the lead plaster that adopts high temperature and system is more identical on the performance in the early stage than the lead plaster of low temperature and system.Can satisfy the needs of automobile industry development well by the above storage battery that adopts high temperature and system lead plaster that shows.
Four, embodiment
Below in conjunction with specific embodiment in detail the present invention is described in detail:
Embodiment 1: the lead powder (containing PbO73%～84%) of 50kg is put into the cream machine that closes that has heat exchanger, put into the fiber of 0.02kg simultaneously, start mixer, when stirring lead powder, add the pure water of 6kg, stirred 20 minutes, adding concentration with the spray shape then is 1.40g/cm
3Sulfuric acid 4.5kg, the limit edged stirs, and stirs 5 minutes after adding acid again, and is issued to 70 ℃ closing cream machine heat exchanger temperature control, constant temperature stirred after 35 minutes, reached 35 ℃ by the heat exchanger cooling, measured apparent density and can reach 4.1～4.2g/cm
3, at this moment can from close the cream machine, go out lead plaster, this lead plaster can carry out coated plate.Produce the 6-QW-60 battery with common negative plate combo, adopting the storage battery of this lead plaster to survey 20 hour rate capacity is 73.68Ah, and measuring piezoelectric voltage: 30s is 9.91V under-18 ℃, 280A then; 150s is 9.4V; Surveying one 20 hour rate capacity again is 72.63Ah, carries out the life test of storage battery afterwards, reaches 192 times.
Embodiment 2: press the lead plaster of embodiment 1 described technical process and system, just changing 70 ℃ of its temperature control temperature is 80 ℃, and 35 minutes temperature control time was 30 minutes.Produce the 6-QW-60 battery with common negative plate combo, detect and use the storage battery 20 hour rate capacity of this lead plaster to be 72.50Ah;-18 ℃, 280A discharge voltage: 30s is 9.95V; 150s is 9.45V; Surveying one 20 hour rate capacity again is 71.41Ah; Carrying out life of storage battery test reaches 217 times.
Embodiment 3: press the lead plaster of embodiment 1 described technical process and system, just changing 70 ℃ of its temperature control temperature is 85 ℃, and 35 minutes temperature control time was 25 minutes.Produce the 6-QW-60 battery with common negative plate combo, detect and use the storage battery 20 hour rate capacity of this lead plaster to be 74.32Ah;-18 ℃, 280A discharge voltage: 30s is 9.83V; 150s is 9.29V; Surveying one 20 hour rate capacity again is 72.56Ah; Carrying out life of storage battery test reaches 208 times.
Embodiment 4: press the lead plaster of embodiment 1 described technical process and system, just changing 70 ℃ of its temperature control temperature is 90 ℃, and 35 minutes temperature control time was 20 minutes.Produce the 6-QW-60 battery with common negative plate combo, detect and use the storage battery 20 hour rate capacity of this lead plaster to be 75.36Ah;-18 ℃, 280A discharge voltage: 30s is 9.89V; 150s is 9.32V; Surveying one 20 hour rate capacity again is 74.32Ah; Carrying out life of storage battery test reaches 203 times.
Embodiment 5: press the lead plaster of embodiment 1 described technical process and system, just changing 70 ℃ of its temperature control temperature is 95 ℃, and 35 minutes temperature control time was 15 minutes.Produce the 6-QW-60 battery with common negative plate combo, detect and use the storage battery 20 hour rate capacity of this lead plaster to be 73.47Ah;-18 ℃, 280A discharge voltage: 30s is 9.82V; 150s is 9.25V; Surveying one 20 hour rate capacity again is 71.50Ah; Carrying out life of storage battery test reaches 189 times.
Claims (7)
1, a kind of manufacture method of positive plate lead paste of lead-acid battery: with PbO content is that 73%～85% lead powder is put into stirring-type and closed the cream machine, following percentage composition is all to calculate with the lead powder weight ratio, add 0.02%～0.08% fiber simultaneously, after beginning to stir, the pure water of adding 10%～13% stirs, and adding density with the spray shape then is 1.40g/cm
3Sulfuric acid 8%～9.5%, the limit edged stirs, and stirs within 7 minutes after it is characterized in that adding sulfuric acid, temperature controls to 70～95 ℃, constant temperature stirred 15～35 minutes, cooled to 30～45 ℃ then.
2, the manufacture method of positive plate lead paste of lead-acid battery according to claim 1 is characterized in that adding and stirs that temperature controls to 75 ℃～85 ℃ within 7 minutes behind the sulfuric acid.
3, the manufacture method of positive plate lead paste of lead-acid battery according to claim 1 is characterized in that adding and stirs 5 minutes temperature behind the sulfuric acid and control to 70 ℃, keeps this temperature 35 minutes.
4, the manufacture method of positive plate lead paste of lead-acid battery according to claim 1 is characterized in that adding and stirs 5 minutes temperature behind the sulfuric acid and control to 80 ℃, keeps this temperature 30 minutes.
5, the manufacture method of positive plate lead paste of lead-acid battery according to claim 1 is characterized in that adding and stirs 5 minutes temperature behind the sulfuric acid and control to 85 ℃, keeps this temperature 25 minutes.
6, the manufacture method of positive plate lead paste of lead-acid battery according to claim 1 is characterized in that adding and stirs 5 minutes temperature behind the sulfuric acid and control to 90 ℃, keeps this temperature 20 minutes.
7, the manufacture method of positive plate lead paste of lead-acid battery according to claim 1 is characterized in that adding and stirs 5 minutes temperature behind the sulfuric acid and control to 95 ℃, keeps this temperature 15 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011217243A CN1175506C (en) | 2001-07-09 | 2001-07-09 | Preparation method of positive plate lead paste of lead-acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011217243A CN1175506C (en) | 2001-07-09 | 2001-07-09 | Preparation method of positive plate lead paste of lead-acid battery |
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| CN1395330A CN1395330A (en) | 2003-02-05 |
| CN1175506C true CN1175506C (en) | 2004-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB011217243A Expired - Fee Related CN1175506C (en) | 2001-07-09 | 2001-07-09 | Preparation method of positive plate lead paste of lead-acid battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074696A (en) * | 2010-12-29 | 2011-05-25 | 风帆股份有限公司 | Vacuum preparation method for positive pole lead paste of lead-acid storage battery |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331256C (en) * | 2005-03-11 | 2007-08-08 | 风帆股份有限公司 | High-temperature resistant accumulator positive electrode lead plaster and method for preparing same |
| CN101651206B (en) * | 2009-07-08 | 2011-04-13 | 张天任 | Storage battery diachylum formula for electric vehicle and preparation method thereof |
| CN102222803B (en) * | 2011-04-07 | 2013-03-27 | 浙江南都电源动力股份有限公司 | 12 V high temperature cyclic elongated structure valve-controlled type sealed lead acid storage battery |
| CN103633331A (en) * | 2013-11-28 | 2014-03-12 | 江苏科能电源有限公司 | Positive active material for lead-acid power battery and preparation method of positive active material |
| CN105655580A (en) * | 2015-09-11 | 2016-06-08 | 安徽永恒动力科技有限公司 | Positive pole lead paste of lead acid battery and paste blending method thereof |
| CN106099049B (en) * | 2016-06-30 | 2018-12-14 | 济源市万洋绿色能源有限公司 | A kind of anode mixing paste technology |
| CN106129338B (en) * | 2016-06-30 | 2018-11-02 | 济源市万洋绿色能源有限公司 | Anode and cream technique |
-
2001
- 2001-07-09 CN CNB011217243A patent/CN1175506C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074696A (en) * | 2010-12-29 | 2011-05-25 | 风帆股份有限公司 | Vacuum preparation method for positive pole lead paste of lead-acid storage battery |
| CN102074696B (en) * | 2010-12-29 | 2013-10-16 | 风帆股份有限公司 | Vacuum preparation method for positive pole lead paste of lead-acid storage battery |
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| Publication number | Publication date |
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| CN1395330A (en) | 2003-02-05 |
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Owner name: FENGFAN CO., LTD. Free format text: FORMER OWNER: JINFENGFAN ACCUMUALTOR CO., LTD., BAODING Effective date: 20060421 |
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Effective date of registration: 20060421 Address after: 071057 Hebei province Baoding Fuchang Road No. 8 Patentee after: Fengfan Co., Ltd. Address before: 071057 Hebei province Baoding Fuchang Road No. 8 Patentee before: Baoding Gold Sail Storage Battery Co., Ltd. |
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Granted publication date: 20041110 Termination date: 20120709 |