CN109616702A - A kind of alternative expression pulse formation charge technology - Google Patents
A kind of alternative expression pulse formation charge technology Download PDFInfo
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- CN109616702A CN109616702A CN201810778478.5A CN201810778478A CN109616702A CN 109616702 A CN109616702 A CN 109616702A CN 201810778478 A CN201810778478 A CN 201810778478A CN 109616702 A CN109616702 A CN 109616702A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
A kind of alternative expression pulse formation charge technology, including an acid adding, battery connection, to electricity, charging chemical conversion, in charging formation process, according to some chemically and physically characteristics of lead-acid accumulator itself, battery formation charging process is divided into trickle pretreatment, constant-current charge, it stands, positive negative pulse stuffing charging, the various ways multistage such as intermittently impulse charging alternately charges, technique of the invention reduces the polarization reaction and electrolyte temperature of conventional constant current charging modes chemical conversion middle and later periods, improve charge efficiency, shorten the chemical conversion time, shorten the chemical conversion period 30%, reduce charge capacity 20%, it realizes energy-saving, improve production efficiency；Pole plate transformation efficiency is improved simultaneously, improves battery initial capacity；It reduces chemical conversion middle and later periods acid mist to generate, eliminates chemical conversion middle and later periods activation polarization, reduce hydrolysis, reduce bath temperature and voltage, reduce gassing, be conducive to environmental protection.
Description
Technical field
The present invention relates to a kind of lead-acid accumulator alternative expression pulse formation charge technologies.
Background technique
Since lead-acid accumulator is by invention, because its is cheap, raw material is easy to get, reliable performance, is easy to recycle and be suitable for
The features such as heavy-current discharge, it has also become yield maximum, the widest battery kind of purposes in the world.
As country is higher and higher to the requirement of every profession and trade energy conservation and environmental protection, a series of policies that release one after another push economic transitions,
The industry for eliminating production capacity backwardness, high pollution, high consumption, improves energy utilization rate, realizes the transformation of Economic Development Mode.Energy-saving ring
The developing direction that certainly will become various industries is protected, also includes traditional lead acid batteries industry.
Important production process one of of the Battery formation as lead-acid accumulator, and entire cell production process energy consumption
Pith.Shorten the chemical conversion period by technical study and exploitation, reduce chemical conversion electricity, reduce chemical conversion acid mist, to raising
Production efficiency, energy-saving, environmentally friendly etc. are of great significance.
Formation charging of lead-acid storage battery technique mainly has constant-current charge, intermittent discharge etc. at present.Such charge technology charging
Low efficiency, the acid mist that the time is long, energy consumption is high, gassing generates cause serious pollution to the environment.
Therefore, it is necessary to study with develop a kind of advanced formation charging technique and replace traditional constant-current charge technique, mention
High recharge efficiency shortens the chemical conversion time, reduces charge capacity, reduces chemical conversion and generates acid mist, energy conservation and environmental protection responds national policy.
Summary of the invention
Present invention aim to address the above-mentioned low efficiency of formation charging in the prior art, energy consumption is high, the period is long, it is big etc. to pollute
Problem provides a kind of alternative expression pulse formation charge technology, to improve charge efficiency, energy conservation and environmental protection；Activation polarization is eliminated, is made
Charge efficiency maximizes, the shortening chemical conversion period, reduces chemical conversion power consumption, reduces acid mist generation.
Technical concept of the invention is: by relatively high, but with the progress of charging, the middle and later periods declines for Battery formation charging early period
Subtract comparatively fast, analysis main cause is exactly middle and later periods polarization phenomena aggravation of charging, and causes battery terminal voltage to rise very fast, major part electricity
Stream is used for electrolysis water, reduces charge efficiency, increases charge capacity, while generating a large amount of acid mists.
During the charging process, the active material on pole plate chemically reacts lead-acid accumulator with electrolyte, and positive plate is put
Electronics out, negative plate receive electronics, and generate new substance (brown lead oxide and spongy lead).But this generation novel substance
Electrochemical reaction rates it is more much slower than electronic switching speeds, which forms the charge accumulateds on positive/negative plate, to make
Current potential on negative plate becomes more negative, and the current potential on positive step becomes to correct, and this positive and negative electrode potential is towards positive and negative two sides
To increase so that accumulator voltage is raised, the current potential that this part has been elevated is exactly activation polarization voltage.It is filling
The middle and later periods of electricity, activation polarization voltage rises quickly, and increases with the increase of charging current, with prolonging for charging process
Continue and constantly accumulate, affects charge efficiency.
Technical solution provided by the invention includes an acid adding, battery connection, to electricity, charging chemical conversion, and process is as follows:
A, acid adding of battery: acid adding density uses 1.100~1.200g/ml(25 DEG C)；
B, battery connects: battery plus-negative plate terminal being connected into a circuit using lead connection strap, between battery
Spacing need to be maintained at 50 ± 5mm, in favor of battery heat dissipation；
C, to electricity: after battery connection, recirculated water need to be injected in electrolytic bath and be cooled down, and need to once added
It completes to avoid chemical reaction for a long time after acid adding that polar board surface is caused to form fine and close lead sulfate to electricity in sour half an hour after
Glassy layer influences battery formation charging early period efficiency；
D, steps are as follows for charging chemical conversion:
Trickle charge pretreatment, eliminates polar board surface sulfuric acid lead layer, comprising the following steps:
(1) 2~3I is used20, 0.5~1.0h of constant-current charge；
The transformation efficiency acme carries out high current constant-current charge comprising the steps of:
(2) 4~5I is used20, 0.5~1.0h of constant-current charge；
(3) 6~7I is used20, 3.0~5.0h of constant-current charge；
Chemical conversion mid-term is stood, and activation polarization is eliminated comprising the steps of:
(4) 0.5~1.0h is stood；
The middle and later periods is melted into using positive negative pulse stuffing charge technology, improves charge efficiency comprising the steps of:
(5) 6~7I is used20, positive negative pulse stuffing charging 2.0~4.0h, positive pulse time 1200ms, negative pulse time 100ms, just
Pulse interval 100ms, rise time 100ms, fall time 100ms；
(6) 0.5~1.0h is stood；
The later period is melted into using intermittently impulse charging technique, further eliminates polarization, improves charge efficiency, reduction hydrolysis:
(7) 3~5I is used20, 2.0~3.0h of intermittently impulse charging, positive pulse time 1400ms, negative pulse time 100ms, on
Rise time 100ms, fall time 100ms；
(8) 0.5~1.0h is stood；
Latter stage is melted into using low current positive negative pulse stuffing charge technology, completes latter stage supplement electricity comprising the steps of:
(9) 2.5~4.5I is used20, positive negative pulse stuffing charge 3.0~5.0h, positive pulse time 1000ms, the negative pulse time
200ms, positive pulse interval 100ms, rise time 100ms, fall time 100ms.
The step of process d of the present invention (1) pretreatment stage preferably uses 2.5~3I200.6~0.8h of low current charge
Eliminate polar board surface sulfuric acid lead layer.
Preferred 4.5~the 5I of charging current of the step of process d of the present invention (2) pre-charging stage20Charge 0.6~0.8h,
Control chemical conversion temperature while improving transformation efficiency early period, eliminates the influence of internal temperature rise caused by antecedent chemical is reacted.
The step of process d of the present invention (3) preferably charging current 6.5~7I203.5~4.5 h of constant-current charge, in chemical conversion
The side reaction of stage phase is minimum, high conversion efficiency, and high current constant-current charge improves charge efficiency.
The step of process d of the present invention (4), step (6), step (8) increase separately standing stage, preferably time of repose
For 0.6~0.8h, the polarization phenomena in chemical conversion later period are eliminated.
Preferably, chemical conversion is preferably 1.150~1.190g/ml with an acid adding density；
Preferably, battery connection is completed in an acid adding half an hour after and to electricity, polar board surface is avoided to form blocked up sulfate
Passivation layer；
Preferably, in charging formation process, the control of Battery formation temperature is carried out using recirculated cooling water, guarantees formation process
Electrolyte temperature is at 35~65 DEG C.
Step (5) of the present invention, (7), (9) use alternative expression pulse charge technique, pass through positive negative pulse stuffing and intermittent pulse is handed over
For charging, reduce bath temperature and voltage, reduce gassing, improve charging transformation efficiency, eliminate reforming phenomena caused by the charging later period and
Overcharge problem.
Present invention process passes through alternative expression pulse charge work according to some chemically and physically characteristics of lead-acid accumulator itself
Battery formation charging process is divided into trickle pretreatment, constant-current charge, standing, positive negative pulse stuffing charging, intermittently impulse charging by skill
The equal various ways multistage alternately charges, and the polarization which reduces the conventional constant current charging modes chemical conversion middle and later periods is anti-
Should and electrolyte temperature, compared with prior art, beneficial benefit of the invention are as follows:
1, using present invention process, charge efficiency is greatly improved, shortens the chemical conversion period, reduces chemical conversion energy consumption.Reduce formation charging
Amount 20% shortens the chemical conversion period 30%, realizes energy-saving, raising production efficiency.Pole plate transformation efficiency is improved simultaneously, promotes electricity
Pond initial capacity.
2, using present invention process, chemical conversion middle and later periods activation polarization is eliminated, hydrolysis is reduced, reduces bath temperature and electricity
Pressure reduces gassing, reduces acid mist and generates, is conducive to environmental protection.
Detailed explanation is carried out to the present invention below with reference to specific embodiment.
Specific embodiment
Embodiment 1:
Process of the present invention is as follows:
Acid adding of a battery: acid adding density uses 1.190g/ml(25 DEG C)；
The connection of b battery: battery plus-negative plate terminal is connected by a circuit using lead connection strap, between battery
Spacing need to be maintained at 50 ± 5mm, in favor of battery heat dissipation；
C is to electricity: after battery connection, recirculated water need to be injected in electrolytic bath and be cooled down, and need to once added
It completes to avoid chemical reaction for a long time after acid adding that polar board surface is caused to form fine and close lead sulfate to electricity in sour half an hour after
Glassy layer influences battery formation charging early period efficiency；
Steps are as follows for d charging chemical conversion:
(1) 2I is used20, constant-current charge 1.0h；
(2) 4I is used20, constant-current charge 0.5h；
(3) 6.0I is used20, constant-current charge 5.0h；
(4) 0.5~1.0h is stood；
(5) 6.5I is used20, positive negative pulse stuffing charges 4.0h, positive pulse time 1200ms, negative pulse time 100ms, between positive pulse
Have a rest 100ms, rise time 100ms, fall time 100ms；
(6) 0.5~1.0h is stood；
(7) 4.0I is used20, intermittently impulse charging 2.0h, positive pulse time 1400ms, negative pulse time 100ms, the rise time
100ms, fall time 100ms；
(8) 0.5~1.0h is stood；
(9) 3I is used20, positive negative pulse stuffing charging 4.0h, positive pulse time 1000ms, negative pulse time 200ms, positive pulse interval
100ms, rise time 100ms, fall time 100ms.
Battery connection is completed in the present embodiment, in an acid adding half an hour after and to electricity
In the present embodiment, in charging formation process, the control of Battery formation temperature is carried out using recirculated cooling water, guarantees chemical conversion
Process electrolyte temperature is at 35~65 DEG C.
It is provided for the embodiments of the invention a kind of charging of alternative expression pulse formation above to be described in detail, herein
Apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help
Understand method and its core concept of the invention；At the same time, for those skilled in the art, according to the thought of the present invention,
There will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as to this
The limitation of invention.
Claims (7)
1. a kind of alternative expression pulse formation charge technology, including an acid adding, battery connect, to electricity, charging chemical conversion, process is such as
Under:
A, acid adding of battery: acid adding density uses 1.100~1.200g/ml(25 DEG C)；
B, battery connects: battery plus-negative plate terminal being connected into a circuit using lead connection strap, spacing needs to keep between battery
In 50 ± 5mm, in favor of battery heat dissipation；
C, to electricity: after battery connection, recirculated water need to be injected in electrolytic bath and be cooled down, and need to be in an acid adding half an hour after
It completes to avoid chemical reaction for a long time after acid adding that polar board surface is caused to form fine and close sulfuric acid layer of lead glass to electricity, influences battery
Early period formation charging efficiency；
D, steps are as follows for charging chemical conversion:
(1) 2~3I is used20, 0.5~1.0h of constant-current charge；
(2) 4~5I is used20, 0.5~1.0h of constant-current charge；
(3) 6~7I is used20, 3.0~5.0h of constant-current charge；
(4) 0.5~1.0h is stood；
(5) 6~7I is used20, positive negative pulse stuffing charging 2.0~4.0h, positive pulse time 1200ms, negative pulse time 100ms, positive arteries and veins
Rush interval 100ms, rise time 100ms, fall time 100ms；
(6) 0.5~1.0h is stood；
(7) 3~5I is used20, 2.0~3.0h of intermittently impulse charging, positive pulse time 1400ms, negative pulse time 100ms, rising
Time 100ms, fall time 100ms；
(8) 0.5~1.0h is stood；
(9) 2.5~4.5I is used20, positive negative pulse stuffing charging 3.0~5.0h, positive pulse time 1000ms, negative pulse time 200ms,
Positive pulse interval 100ms, rise time 100ms, fall time 100ms.
2. alternative expression pulse formation charge technology according to claim 1, it is characterised in that: the step of the process d (1)
Using 2.5~3I200.6~0.8h of constant-current charge eliminates polar board surface sulfuric acid lead layer.
3. alternative expression pulse formation charge technology according to claim 1, it is characterised in that: the step of the process d (2)
Using 4.5~5I of charging current20Charge 0.6~0.8h, and control chemical conversion temperature, eliminates early period while improving transformation efficiency early period
The influence of internal temperature rise caused by chemically reacting.
4. alternative expression pulse formation charge technology according to claim 1, it is characterised in that: the step of the process d (3)
6.5~7I of charging current203.5~4.5 h of constant-current charge, chemical conversion mid-term stage side reaction is minimum, high conversion efficiency, and high current is permanent
Current charge improves charge efficiency.
5. alternative expression pulse formation charge technology according to claim 1, it is characterised in that (4) the step of the process d,
Step (6), step (8) increase separately the standing stage, and time of repose is 0.6~0.8h, eliminate the polarization phenomena in chemical conversion later period.
6. alternative expression pulse formation charge technology according to claim 1, it is characterised in that: be melted into and use in the process a
Acid adding density is 1.150~1.190g/ml.
7. alternative expression pulse formation charge technology according to claim 1, it is characterised in that: in charging formation process,
The control of Battery formation temperature is carried out using recirculated cooling water, guarantees formation process electrolyte temperature at 35~65 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048850A (en) * | 2019-12-10 | 2020-04-21 | 安徽理士电源技术有限公司 | High-efficiency lead-acid storage battery activation method |
| CN111697279A (en) * | 2020-06-15 | 2020-09-22 | 四川力扬工业有限公司 | Novel efficient positive and negative pulse charging process |
| CN113839440A (en) * | 2021-08-31 | 2021-12-24 | 蜂巢能源科技(无锡)有限公司 | Battery charging method and device, computer readable storage medium and processor |
| CN114586220A (en) * | 2019-10-23 | 2022-06-03 | 加拿大电池能源公司 | Method and system for battery formation |
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