CN1312805C - Super recovery technique for lead acid battery - Google Patents
Super recovery technique for lead acid battery Download PDFInfo
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- CN1312805C CN1312805C CNB2004100240904A CN200410024090A CN1312805C CN 1312805 C CN1312805 C CN 1312805C CN B2004100240904 A CNB2004100240904 A CN B2004100240904A CN 200410024090 A CN200410024090 A CN 200410024090A CN 1312805 C CN1312805 C CN 1312805C
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- acid accumulator
- lead acid
- activated current
- circulation
- lead
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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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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Abstract
The present invention provides a super recovery technique for a lead-acid accumulator, which belongs to the technical field of electronics and relates to a recovery technique for a secondary accumulator namely a lead-acid accumulator the present invention is realized by using an activating agent of the lead-acid accumulator and a high-frequency pulse power source activating instrument which can send out the same frequency as the natural frequency of the sulfuric acid compound molecules of the lead-acid accumulator to implement activated recovery technique to the lead-acid accumulator. The technical problem of low recovery degree when the activating agent of an original lead-acid accumulator and the high-frequency pulse power source activating instrument are used for singly and actively recovering the lead-acid accumulator is solved. The present invention is mainly used for recovering the performance of various lead-acid accumulators (groups).
Description
Technical field
The invention belongs to the electroporation field, relating to secondary cell is a kind of lead acid accumulator recovery method.
Background technology
At present, can implement to restore to lead acid accumulator in the world and safeguard that the method for handling has two kinds, (patent No. is respectively first U.S. product: 4871959,5084664,5276393,5491399), be the pulse battery protector, be to lean on the electricity that solar energy or battery itself are taken place to produce a kind of DC pulse, its frequency is the same with the natural frequency of battery sulfuric acid compound molecule, so produce resonance, to sulphate is that sulfate decomposes, make it to break away from accumulator plate, but its recovery degree only is about 80%; It two is lead acid accumulator active agents of Japanese Hao Tai Ke joint-stock company development, mainly is to decompose sulfate by the activity of the activator that adds, makes it to break away from accumulator plate, and its recovery degree also about 80%, does not reach the related standards of national regulation.
Cause the phenomenon of polar plate of lead acid storage battery sulfation to have: to be reduced to normal value under the density of electrolyte, and to be backward over a long time; In the charging process voltage rise very fast, up to 2.9 volts/single lattice about (normal value is about 2.7 volts of single lattice), and the voltage reduction is very fast in discharge process, just is reduced to (discharge of 10 hour rates) about 1.8 volts in 1～2 hour; Emit bubble too early in the charging process; Pole plate color and state are undesired, positive plate is light brown (normally being dark brown), and polar board surface adularescent lead sulfate spot, negative plate are canescence (normally being grey), feeling during with the finger touch polar board surface has the crystallization of the lead sulfate of big particle, and pole plate hardens.
The reason that causes polar plate of lead acid storage battery sulfation phenomenon to produce is: normal storage battery is after discharge, active material on the positive/negative plate, mostly become the little crystallization of soft lead sulfate, be evenly distributed in the pole plate, revert to original brown lead oxide and spongy lead easily when charging, this is a kind of sulfation normally, because battery improper use, long-term undercharge, or half discharge condition, over-discharge or the discharge untimely charging in back, internal short-circuit, density of electrolyte is too high, the temperature height, and liquid level hangs down the problems such as pole plate exposes that make, cause the interior chemical reaction of battery undesired, on pole plate, formed thick lead sulfate crystallization, this crystallization poorly conductive, volume is big, also can stop up the micropore of pole plate, hinder the osmosis of electrolyte, increased the internal resistance of cell, when charging, be difficult to recover, become irreversible lead sulfate, the active material of participating in electrochemical reaction in the pole plate is reduced, so battery capacity reduce the battery sulfation that Here it is often says greatly.
Summary of the invention
The purpose of this invention is to provide a kind of lead acid accumulator recovery method, the storage battery functional deterioration phenomenon that some reason is caused resets into more than 96% of former function, prolongs the life of storage battery more than one times.
A kind of lead acid accumulator recovery method of the present invention, finish by following step:
1, to being confirmed to be recoverable lead acid accumulator, according to the state of cure (vulcanization) of lead acid accumulator, the quantitative lead acid accumulator active agent of liquid injection hole injection from lead acid accumulator left standstill more than half an hour, it is fully reacted, for next step activation is got ready in the storage battery pond;
2, select to send high frequency pulse power supply activation instrument with the natural frequency same frequency of lead acid accumulator sulphate molecule, the positive pole and the positive pole of above-mentioned lead acid accumulator and high frequency pulse power supply activation instrument are joined, negative pole and negative pole join, activate instrument with high frequency pulse power supply, by quantitative activated current and quantitative activationary time, divide two circulations that lead acid accumulator is implemented to activate and restore, after first circulation, to the lead acid storage battery tank discharge, carry out second circulation again.
The addition of above-mentioned quantitative lead acid accumulator active agent is 2～4ml/Ah.
Above-mentioned the quantitative activationary time of lead acid accumulator and quantitative activated current are carried out as follows: every circulation divides 3 activation, 3 activated currents of first circulation are 0.3C～1C, the 1st of first circulation, 2,3 times activationary time is respectively the 1.5C/ activated current, 1C/ activated current and 0.8C/ activated current, 3 activated currents that the activation of second circulation is restored are 0.1C～0.3C, the 1st of second circulation, 2,3 times activationary time is respectively the 1C/ activated current, 0.8C/ activated current and 0.6C/ activated current, above-mentioned C is the battery nominal capacity, and unit is Ah.
Advantage of the present invention is:
1, live to restore waste and old lead acid accumulator return rate height, detect through authoritative institution of the Ministry of Information industry, this technology, can reach original full capacity substantially, and can re-use one-period under the conventional maintenance situation up to 96% the return rate of used and scrapped battery.And the electrical index of battery is optimized, and is embodied in: it is (higher 10～20 times than the maximum charging current of standard code, even higher 1. can to accept large current charge.Charging interval shortens to 1～2 hour, even shorter); 2. internal resistance is far below national standard; 3. self-discharge phenomenon is eliminated substantially; 4. cold operation ability strengthens; 5. deep-circulating performance improves (overcharging resisting overdischarge) or the like.
2, alleviate lead acid accumulator and scrapped the environmental pollution that processing causes, had bigger environmental benefit.
3, this technology is simple to operate, and cost is low, is easy to promote applied range, remarkable economic and social benefits.
Embodiment
Embodiment 1: to the standby 12 volts of battery pack of certain telecomm base station, the waste and old lead acid accumulator group of 100Ah activates recovery, after testing, this lead acid accumulator housing, pole, bus-bar in the battery, lug, grid is fair, voltage rises very fast in the charging process, and voltage reduces very fast in discharge process, polar board surface adularescent lead sulfate spot, feeling during with the finger touch polar board surface has the crystallization of the lead sulfate of big particle, and pole plate hardens, the state of cure (vulcanization) of confirming storage battery is bigger, but be recoverable lead acid accumulator, calculate the activator that needs interpolation respectively, activated current, activationary time is as follows:
The adding proportion of activator is 2～4ml/Ah, and then the addition of 100Ah is between 200ml～400ml, and we select the 300ml activator that this storage battery is activated recovery, because be that 12 volts of batteries are divided into 6 grooves, so every groove need inject the activating solution of 50ml.
Activated current is respectively: because 3 activated currents of first circulation are 0.3C～1C, then the activated current of 100Ah storage battery is 30A～100A, and we select 60A is the activated current of first circulation.
Because the 1st, 2,3 activationary time of phase I is respectively 1.5C/ activated current, 1C/ activated current and 0.8C/ activated current, then the activationary time of 100Ah storage battery is respectively: 1.5 * 100 ÷ 60=2.5 hours, 1 * 100 ÷ 60=1.7 hour, 0.8 * 100 ÷ 60=1.3 hour.
Because 3 activated currents of second circulation are 0.1～0.3C, then the activated current of 100Ah storage battery is 10A～30A, and we select 20A is the activated current of second circulation.
Because the 1st, 2,3 activationary time of second circulation is respectively 1C/ activated current, 0.8C/ activated current and 0.6C/ activated current, then the activationary time of 100Ah storage battery is respectively: 1 * 100 ÷ 20=5 hour, 0.8 * 100 ÷ 20=4 hour, 0.6 * 100 ÷ 20=3 hour.
The waste and old lead acid accumulator group of the standby 100Ah of telecomm base station activated to restore implementation process as follows:
1, inject activator to lead acid accumulator:
Greasy dirt on the cleaning battery, dust, booties such as oxide layer, inject the activator of 50ml to every groove from the liquid injection hole of lead acid accumulator, attention: should check that storage battery is lean solution or rich solution before injecting activator, if storage battery is a lean solution, can directly inject activator, afterwards, observe whether submergence pole plate of liquid level, as not submergence, inject deionized water up to submergence pole plate 2 millimeter, if storage battery is a rich solution, then should be earlier take out the electrolyte of respective volume in the storage battery, pack into and contain in the vessel of discard solution, the activator that reinjects should also be noted that when injecting activator: when after activator injects battery violent chemical reaction taking place, inject lentamente successively again after answering question response to slow down, leave standstill more than half an hour, it is fully reacted in storage battery, for next step activation is got ready.
2, with high frequency pulse power supply activation instrument lead acid accumulator is implemented to activate recovery.
The high frequency pulse power supply that selection can be sent with the natural frequency same frequency of lead acid accumulator sulphate molecule activates instrument as high frequency pulse power supply, the positive pole and the positive pole of above-mentioned lead acid accumulator and high frequency pulse power supply activation instrument are joined, negative pole and negative pole join, open high frequency pulse power supply activation instrument switch, the activated current of adjusting first circulation is 60A, the 1st of first circulation, 2,3 times activationary time was followed successively by 2.5 hours, 1.7 hour and 1.3 hours, after first cyclic activation restores, to the lead acid storage battery tank discharge, carrying out the activation of second circulation again restores, the activated current of adjusting second circulation is 20A, the 1st of second circulation, 2,3 times activationary time was followed successively by 5 hours, 4 hours and 3 hours, again to the lead acid storage battery tank discharge, by measuring the voltage of storage battery in the discharge process, electric current, discharge time, cell voltage pad values etc. are judged the success or not that activates recovery, attention: should transfer big activated current to the first gradually when adjusting activated current, the activated current of two circulations, and the reaction of close attention storage battery (group), if any violent bubbling, smolder, battery temp surpasses abnormal conditions such as 60 ℃, should reduce activated current immediately, readjust activated current to the first again up to the battery recovery normal condition, the activated current of two circulations.
After treating storage battery (group) preliminarily stabilised in 6 activationary times of first and second circulation, all should write down related datas such as activated current, cell voltage, standby.
With the pulse power lead acid accumulator is activated when restoring, can carry out serial or parallel connection to same types of battery sets and activate and restore, but every crosstalk cell voltage must not be higher than 48V during series connection, series and parallel battery total block data is no more than 200A with the maximum activation electric current and is as the criterion.
Claims (3)
1, a kind of lead acid accumulator recovery method is characterized in that being finished by following step:
(1) to being confirmed to be recoverable lead acid accumulator, according to the state of cure (vulcanization) of lead acid accumulator, the quantitative lead acid accumulator active agent of liquid injection hole injection from lead acid accumulator left standstill more than half an hour, it is fully reacted, for next step activation is got ready in storage battery;
(2) select to send high frequency pulse power supply activation instrument with the natural frequency same frequency of lead acid accumulator sulphate molecule, the positive pole and the positive pole of above-mentioned lead acid accumulator and high frequency pulse power supply activation instrument are joined, negative pole and negative pole join, activate instrument with high frequency pulse power supply, by quantitative activated current and quantitative activationary time, divide two circulations that lead acid accumulator is implemented to activate and restore, after first circulation, to the lead acid storage battery tank discharge, carry out second circulation again.
2, lead acid accumulator recovery method according to claim 1 is characterized in that the addition of described quantitative lead acid accumulator active agent is 2-4ml/Ah.
3, lead acid accumulator recovery method according to claim 1, it is characterized in that described the quantitative activationary time of lead acid accumulator and quantitative activated current being carried out as follows: every circulation divides 3 activation, the 1st of first circulation, 2,3 times activated current is 0.3C～1C, the 1st of first circulation, 2,3 times activationary time is respectively the 1.5C/ activated current, 1C/ activated current and 0.8C/ activated current, 1 of the activation recovery of second circulation, 2,3 times activated current is 0.1C～0.3C, the 1st of second circulation, 2,3 times activationary time is respectively the 1C/ activated current, 0.8C/ activated current and 0.6C/ activated current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100240904A CN1312805C (en) | 2004-05-14 | 2004-05-14 | Super recovery technique for lead acid battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100240904A CN1312805C (en) | 2004-05-14 | 2004-05-14 | Super recovery technique for lead acid battery |
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| Publication Number | Publication Date |
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| CN1697244A CN1697244A (en) | 2005-11-16 |
| CN1312805C true CN1312805C (en) | 2007-04-25 |
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| CNB2004100240904A Expired - Fee Related CN1312805C (en) | 2004-05-14 | 2004-05-14 | Super recovery technique for lead acid battery |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464465C (en) * | 2006-09-30 | 2009-02-25 | 李建德 | Valve controlling sealed lead-acid battery negative pole plate salt crystallization activation method |
| CN100495807C (en) * | 2007-07-24 | 2009-06-03 | 卧龙电气集团股份有限公司 | Method for recovering improper capacity loss of accumulator |
| CN101252211A (en) * | 2008-03-12 | 2008-08-27 | 邢纪国 | Lead acid batteries restoring system and method |
| CN111883860B (en) * | 2020-06-08 | 2022-08-30 | 四川鑫奋科技有限公司 | Method for recovering appearance of waste lead-acid battery |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4871959A (en) * | 1988-07-15 | 1989-10-03 | Gali Carl E | Solar trickle charger for lead acid batteries |
| CN2472351Y (en) * | 2001-04-12 | 2002-01-16 | 北京嘉捷恒信能源技术有限责任公司 | Device for eliminating mixed sulphorous crystal in lead battery |
| JP2002334723A (en) * | 2001-05-07 | 2002-11-22 | Yoshio Kitamura | Method for regenerating lead-acid battery |
| JP2003022845A (en) * | 2001-07-09 | 2003-01-24 | Housen Kk | Activating method for lead-acid storage battery and selling system for the lead-acid storage battery activated by using the method |
| CN1440087A (en) * | 2003-03-03 | 2003-09-03 | 王祥西 | Lead-acid battery nano carbon activating agent |
| US6730428B1 (en) * | 1998-07-24 | 2004-05-04 | T & K Co., Ltd. | Method of recycling lead-acid storage battery |
-
2004
- 2004-05-14 CN CNB2004100240904A patent/CN1312805C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4871959A (en) * | 1988-07-15 | 1989-10-03 | Gali Carl E | Solar trickle charger for lead acid batteries |
| US6730428B1 (en) * | 1998-07-24 | 2004-05-04 | T & K Co., Ltd. | Method of recycling lead-acid storage battery |
| CN2472351Y (en) * | 2001-04-12 | 2002-01-16 | 北京嘉捷恒信能源技术有限责任公司 | Device for eliminating mixed sulphorous crystal in lead battery |
| JP2002334723A (en) * | 2001-05-07 | 2002-11-22 | Yoshio Kitamura | Method for regenerating lead-acid battery |
| JP2003022845A (en) * | 2001-07-09 | 2003-01-24 | Housen Kk | Activating method for lead-acid storage battery and selling system for the lead-acid storage battery activated by using the method |
| CN1440087A (en) * | 2003-03-03 | 2003-09-03 | 王祥西 | Lead-acid battery nano carbon activating agent |
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| CN1697244A (en) | 2005-11-16 |
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Granted publication date: 20070425 Termination date: 20130514 |