CN111029671A - Acid-adding charging process capable of reducing charging energy consumption - Google Patents
Acid-adding charging process capable of reducing charging energy consumption Download PDFInfo
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- CN111029671A CN111029671A CN201911258277.3A CN201911258277A CN111029671A CN 111029671 A CN111029671 A CN 111029671A CN 201911258277 A CN201911258277 A CN 201911258277A CN 111029671 A CN111029671 A CN 111029671A
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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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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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention provides an acid-adding charging process for reducing charging energy consumption, which improves the density of acid-adding electrolyte of a battery by improving the existing charging process, is matched with a charging process mode and a current time distribution mode, greatly reduces the charging energy consumption under the condition of ensuring the effect of polar plate formation and the battery capacity, shortens the process duration to 47h, has the charging multiplying power of 7.5 times, saves the energy consumption by 13.8 percent compared with 8.7 times of the existing process, and solves the problem of higher energy consumption of the existing process.
Description
Technical Field
The invention relates to the field of storage battery manufacturing, in particular to an acid charging process for reducing charging energy consumption.
Background
In the field of storage battery manufacturing, it is common to charge a storage battery by using an internal formation charging process, and when the internal formation charging process is performed on the storage battery at present, a long time is generally needed, and if the multiplying power of the charging formation process is low, the formation of a polar plate is not thorough, the capacity is low, and the factory requirements cannot be met, so that the charging multiplying power of the current main flow dynamic battery formation process is about 9.5 times, and part of low-energy consumption processes can be reduced by less than 9.0 times. However, the process has high energy consumption and high production cost. Therefore, it is very important to solve the problem of high energy consumption in the prior art.
Disclosure of Invention
In order to solve the problems, the invention aims to provide an acid charging process for reducing charging energy consumption, which improves the existing charging process, improves the density of acid electrolyte added into a battery, and greatly reduces the charging energy consumption by matching with a charging process mode and a current time distribution mode under the condition of ensuring the effect of pole plate formation and the battery capacity, thereby solving the problem of higher energy consumption in the existing process.
The invention provides an acid charging process for reducing charging energy consumption, which comprises the following steps:
the method comprises the following steps: charging the storage battery for 0.03-0.08 h by using 0.4-0.6A current;
step two: standing the storage battery for 0.2-0.8 h;
step three: charging the storage battery for 0.2-0.8 h by using a current of 0.5-1.5A;
step four: charging the storage battery for 0.2-0.8 h by using the current of 1A-2A;
step five: charging the storage battery for 0.2-0.8 h by using the current of 1A-2A;
step six: charging the storage battery for 0.2-0.8 h by using 2A-3A current;
step seven: charging the storage battery for 7-8.5 h by using 2A-5A current;
step eight: discharging the storage battery for 0.2-0.4 h by using 5A-7A current;
step nine: charging the storage battery for 0.5-1 h by using 4A-5A current;
step ten: charging the storage battery for 0.5-1 h by using 2A-4A current;
step eleven: standing the storage battery for 0.03-0.08 h;
step twelve: charging the storage battery for 2-4 h by using 2-4A current;
step thirteen: discharging the storage battery for 0.5-1 h by using 5A-7A current;
fourteen steps: charging the storage battery for 1-2 h by using 4-5A current;
step fifteen: charging the storage battery for 2-4 h by using 2-4A current;
sixthly, the steps are as follows: discharging the storage battery for 0.1h by using 5A-7A current;
seventeen steps: charging the storage battery for 2-4 h by using 2-4A current;
eighteen steps: discharging the storage battery for 0.5-1 h by using 5A-7A current;
nineteen steps: charging the storage battery for 1-2 h by using 4-5A current;
twenty steps: charging the storage battery for 2-4 h by using 2-4A current;
twenty one: standing the storage battery for 0.03-0.08 h; (ii) a
Step twenty-two: charging the storage battery for 2-4 h by using 2-3A current;
twenty-three steps: charging the storage battery for 2-4 h by using the current of 1-2A;
twenty-four steps: discharging the storage battery by using 5A-7A A current, wherein the voltage loaded during discharging is 10.5V;
twenty-five steps: discharging the storage battery by using 5A-7A A current, wherein the voltage loaded during discharging is 10.1V;
twenty-six steps: charging the storage battery for 2-4 h by using 4A-5A current;
twenty-seven steps: charging the storage battery for 0.5-1 h by using 2A-4A current;
twenty-eight steps: charging the storage battery for 2-4 h by using the current of 1-2A;
twenty-nine steps: and (4) performing acid extraction treatment on the storage battery to finish the preparation work.
The further improvement lies in that: the charging process comprises the following specific steps:
the method comprises the following steps: charging the storage battery for 0.05h by using the current of 0.5A;
step two: standing the storage battery for 0.5 h;
step three: charging the storage battery for 0.5h by using the current of 1A;
step four: charging the storage battery for 0.5h by using the current of 1.5A;
step five: charging the storage battery for 0.5h by using the current of 2A;
step six: charging the storage battery for 0.5h by using the current of 2.5A;
step seven: charging the storage battery for 8h by using the current of 3A;
step eight: discharging the storage battery for 0.3h by using the current of 6A;
step nine: charging the storage battery for 0.6h by using the current of 4.2A;
step ten: charging the storage battery for 0.6h by using the current of 3A;
step eleven: standing the storage battery for 0.05 h;
step twelve: charging the storage battery for 3h by using the current of 3A;
step thirteen: discharging the storage battery for 1h by using the current of 6A;
fourteen steps: charging the storage battery for 1.15h by using the current of 4.5A;
step fifteen: charging the storage battery for 3h by using the current of 3A;
sixthly, the steps are as follows: discharging the storage battery for 0.1h by using the current of 6A;
seventeen steps: charging the storage battery for 3h by using the current of 3A;
eighteen steps: discharging the storage battery for 1h by using the current of 6A;
nineteen steps: charging the storage battery for 1.1h by using the current of 4.5A;
twenty steps: charging the storage battery for 2h by using the current of 3A;
twenty one: standing the storage battery for 0.05 h; (ii) a
Step twenty-two: charging the storage battery for 2.5h by using the current of 2.7A;
twenty-three steps: charging the storage battery for 3.5h by using the current of 1.8A;
twenty-four steps: discharging the storage battery by using the current of 6A, wherein the voltage loaded during discharging is 10.5V;
twenty-five steps: discharging the storage battery by using the current of 6A, wherein the voltage loaded during discharging is 10.1V;
twenty-six steps: charging the storage battery for 2.25h by using the current of 4.5A;
twenty-seven steps: charging the storage battery for 1h by using the current of 3A;
twenty-eight steps: charging the storage battery for 2h by using the current of 1.8A;
twenty-nine steps: and (4) performing acid extraction treatment on the storage battery to finish the preparation work.
The further improvement lies in that: the electrolyte density in the battery was 1.267/ml, based on the density measured at 25 ℃.
The further improvement lies in that: in the twenty-nine step, the acid extraction treatment is carried out on the storage battery at the current of 0.4A.
The further improvement lies in that: in the twenty-ninth step, the time for pumping acid to the storage battery is 3 hours.
The invention has the beneficial effects that: by improving the existing charging process, the density of the acid electrolyte added into the battery is improved, and the charging process mode and the current time distribution mode are matched, so that the charging energy consumption is greatly reduced under the condition of ensuring the effect of pole plate formation and the battery capacity, the process time is shortened to 47 hours, the charging multiplying power is 7.5 times, the energy consumption is reduced by 13.8% compared with 8.7 times of the existing process, and the problem of higher energy consumption of the existing process is solved.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
The embodiment provides an acid charging process for reducing charging energy consumption, which comprises the following steps: the method comprises the following steps: charging the storage battery for 0.05h by using the current of 0.5A;
step two: standing the storage battery for 0.5 h;
step three: charging the storage battery for 0.5h by using the current of 1A;
step four: charging the storage battery for 0.5h by using the current of 1.5A;
step five: charging the storage battery for 0.5h by using the current of 2A;
step six: charging the storage battery for 0.5h by using the current of 2.5A;
step seven: charging the storage battery for 8h by using the current of 3A;
step eight: discharging the storage battery for 0.3h by using the current of 6A;
step nine: charging the storage battery for 0.6h by using the current of 4.2A;
step ten: charging the storage battery for 0.6h by using the current of 3A;
step eleven: standing the storage battery for 0.05 h;
step twelve: charging the storage battery for 3h by using the current of 3A;
step thirteen: discharging the storage battery for 1h by using the current of 6A;
fourteen steps: charging the storage battery for 1.15h by using the current of 4.5A;
step fifteen: charging the storage battery for 3h by using the current of 3A;
sixthly, the steps are as follows: discharging the storage battery for 0.1h by using the current of 6A;
seventeen steps: charging the storage battery for 3h by using the current of 3A;
eighteen steps: discharging the storage battery for 1h by using the current of 6A;
nineteen steps: charging the storage battery for 1.1h by using the current of 4.5A;
twenty steps: charging the storage battery for 2h by using the current of 3A;
twenty one: standing the storage battery for 0.05 h; (ii) a
Step twenty-two: charging the storage battery for 2.5h by using the current of 2.7A;
twenty-three steps: charging the storage battery for 3.5h by using the current of 1.8A;
twenty-four steps: discharging the storage battery by using the current of 6A, wherein the voltage loaded during discharging is 10.5V;
twenty-five steps: discharging the storage battery by using the current of 6A, wherein the voltage loaded during discharging is 10.1V;
twenty-six steps: charging the storage battery for 2.25h by using the current of 4.5A;
twenty-seven steps: charging the storage battery for 1h by using the current of 3A;
twenty-eight steps: charging the storage battery for 2h by using the current of 1.8A;
twenty-nine steps: and (4) performing acid extraction treatment on the storage battery to finish the preparation work.
The electrolyte density in the battery was 1.267/ml, based on the density measured at 25 ℃. In the twenty-nine step, the acid extraction treatment is carried out on the storage battery at the current of 0.4A. In the twenty-ninth step, the time for pumping acid to the storage battery is 3 hours. By improving the existing charging process, the density of the acid electrolyte added into the battery is improved, and the charging process mode and the current time distribution mode are matched, so that the charging energy consumption is greatly reduced under the condition of ensuring the effect of pole plate formation and the battery capacity, the process time is shortened to 47 hours, the charging multiplying power is 7.5 times, the energy consumption is reduced by 13.8% compared with 8.7 times of the existing process, and the problem of higher energy consumption of the existing process is solved.
Claims (5)
1. An acid-adding charging process for reducing charging energy consumption is characterized in that: the charging process comprises the following steps:
the method comprises the following steps: charging the storage battery for 0.03-0.08 h by using 0.4-0.6A current;
step two: standing the storage battery for 0.2-0.8 h;
step three: charging the storage battery for 0.2-0.8 h by using a current of 0.5-1.5A;
step four: charging the storage battery for 0.2-0.8 h by using the current of 1A-2A;
step five: charging the storage battery for 0.2-0.8 h by using the current of 1A-2A;
step six: charging the storage battery for 0.2-0.8 h by using 2A-3A current;
step seven: charging the storage battery for 7-8.5 h by using 2A-5A current;
step eight: discharging the storage battery for 0.2-0.4 h by using 5A-7A current;
step nine: charging the storage battery for 0.5-1 h by using 4A-5A current;
step ten: charging the storage battery for 0.5-1 h by using 2A-4A current;
step eleven: standing the storage battery for 0.03-0.08 h;
step twelve: charging the storage battery for 2-4 h by using 2-4A current;
step thirteen: discharging the storage battery for 0.5-1 h by using 5A-7A current;
fourteen steps: charging the storage battery for 1-2 h by using 4-5A current;
step fifteen: charging the storage battery for 2-4 h by using 2-4A current;
sixthly, the steps are as follows: discharging the storage battery for 0.1h by using 5A-7A current;
seventeen steps: charging the storage battery for 2-4 h by using 2-4A current;
eighteen steps: discharging the storage battery for 0.5-1 h by using 5A-7A current;
nineteen steps: charging the storage battery for 1-2 h by using 4-5A current;
twenty steps: charging the storage battery for 2-4 h by using 2-4A current;
twenty one: standing the storage battery for 0.03-0.08 h; (ii) a
Step twenty-two: charging the storage battery for 2-4 h by using 2-3A current;
twenty-three steps: charging the storage battery for 2-4 h by using the current of 1-2A;
twenty-four steps: discharging the storage battery by using 5A-7A A current, wherein the voltage loaded during discharging is 10.5V;
twenty-five steps: discharging the storage battery by using 5A-7A A current, wherein the voltage loaded during discharging is 10.1V;
twenty-six steps: charging the storage battery for 2-4 h by using 4A-5A current;
twenty-seven steps: charging the storage battery for 0.5-1 h by using 2A-4A current;
twenty-eight steps: charging the storage battery for 2-4 h by using the current of 1-2A;
twenty-nine steps: and (4) performing acid extraction treatment on the storage battery to finish the preparation work.
2. The acid-added charging process for reducing charging energy consumption according to claim 1, wherein: the charging process comprises the following specific steps:
the method comprises the following steps: charging the storage battery for 0.05h by using the current of 0.5A;
step two: standing the storage battery for 0.5 h;
step three: charging the storage battery for 0.5h by using the current of 1A;
step four: charging the storage battery for 0.5h by using the current of 1.5A;
step five: charging the storage battery for 0.5h by using the current of 2A;
step six: charging the storage battery for 0.5h by using the current of 2.5A;
step seven: charging the storage battery for 8h by using the current of 3A;
step eight: discharging the storage battery for 0.3h by using the current of 6A;
step nine: charging the storage battery for 0.6h by using the current of 4.2A;
step ten: charging the storage battery for 0.6h by using the current of 3A;
step eleven: standing the storage battery for 0.05 h;
step twelve: charging the storage battery for 3h by using the current of 3A;
step thirteen: discharging the storage battery for 1h by using the current of 6A;
fourteen steps: charging the storage battery for 1.15h by using the current of 4.5A;
step fifteen: charging the storage battery for 3h by using the current of 3A;
sixthly, the steps are as follows: discharging the storage battery for 0.1h by using the current of 6A;
seventeen steps: charging the storage battery for 3h by using the current of 3A;
eighteen steps: discharging the storage battery for 1h by using the current of 6A;
nineteen steps: charging the storage battery for 1.1h by using the current of 4.5A;
twenty steps: charging the storage battery for 2h by using the current of 3A;
twenty one: standing the storage battery for 0.05 h; (ii) a
Step twenty-two: charging the storage battery for 2.5h by using the current of 2.7A;
twenty-three steps: charging the storage battery for 3.5h by using the current of 1.8A;
twenty-four steps: discharging the storage battery by using the current of 6A, wherein the voltage loaded during discharging is 10.5V;
twenty-five steps: discharging the storage battery by using the current of 6A, wherein the voltage loaded during discharging is 10.1V;
twenty-six steps: charging the storage battery for 2.25h by using the current of 4.5A;
twenty-seven steps: charging the storage battery for 1h by using the current of 3A;
twenty-eight steps: charging the storage battery for 2h by using the current of 1.8A;
twenty-nine steps: and (4) performing acid extraction treatment on the storage battery to finish the preparation work.
3. The acid-added charging process for reducing charging energy consumption according to claim 1, wherein: the electrolyte density in the battery was 1.267/ml, based on the density measured at 25 ℃.
4. The acid-added charging process for reducing charging energy consumption according to claim 1, wherein: in the twenty-nine step, the acid extraction treatment is carried out on the storage battery at the current of 0.4A.
5. The acid charging process for reducing the energy consumption for charging according to claim 1 or 4, wherein: in the twenty-ninth step, the time for pumping acid to the storage battery is 3 hours.
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