CN111477982A - Formation process of low-charging-rate CNF battery for energy storage - Google Patents
Formation process of low-charging-rate CNF battery for energy storage Download PDFInfo
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- CN111477982A CN111477982A CN202010292719.2A CN202010292719A CN111477982A CN 111477982 A CN111477982 A CN 111477982A CN 202010292719 A CN202010292719 A CN 202010292719A CN 111477982 A CN111477982 A CN 111477982A
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a low-charging-rate CNF battery formation process for energy storage, and relates to the technical field of battery production. The invention reduces the charging multiplying power by thinning the charging and discharging time and the electric quantity, so that the charging multiplying power is reduced to 7.07 times from 9.7 times of the original process and is reduced by 2.63 times; simultaneously, through the charge and discharge of different currents, the service life of the battery is prolonged, energy is saved, the production cost is reduced, the container formation charging effect is improved, and the quality of the storage battery is improved.
Description
Technical Field
The invention belongs to the technical field of battery production, and particularly relates to a low-charging-rate CNF battery formation process for energy storage.
Background
At present, when the storage battery is manufactured, repeated charging and discharging treatment is needed to be carried out on the storage battery so as to improve the storage performance of the storage battery, and at present, when the storage battery is subjected to charging and discharging treatment, the charging multiplying power is more than 9.7 times. Therefore, it is important to design a charging process for a storage battery that is intermittent during charging and has a low charging rate.
Disclosure of Invention
The invention aims to provide a low-charge-rate CNF battery formation process for energy storage, which reduces the charge rate by refining the charge-discharge time and the electric quantity, so that the charge rate is reduced from 9.7 times to 7.07 times and 2.63 times of the original process, and solves the problems in the background art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a formation process of a low-charging-rate CNF battery for energy storage, which comprises the following steps:
stp1, charging the battery needing internal formation charging with a current of 1.6A for 0.05 h;
stp2, standing the battery for 0.5 h;
stp3, charged with a current of 9A for 7.8 h;
stp4, charged with a current of 12A for 11.4 h;
stp5, discharged for 0.9h with a current of 12.8A;
stp6, charged with a current of 12A for 5.4 h;
stp7, discharge with 16A current for 1.2 h;
stp8, charged with a current of 12A for 11.4 h;
stp9, discharge with 16A current for 1.8 h;
stp10, charged with a current of 12A for 5.7 h;
stp11, discharge with a current of 18A for 1.8 h;
stp12, charged with a current of 12A for 6.6 h;
stp13, discharge with a current of 20A for 1.8 h;
stp14, charged with a current of 12A for 7.2 h;
stp15, discharged for 2.1h with a current of 20A;
stp16, charged with a current of 12.5A for 10.8 h;
stp17, charged with a current of 8A for 10.2 h;
stp18, discharged for 9.5h with a current of 10A;
stp19, charged with a current of 12A for 6.6 h;
stp20, charged with a current of 9A for 7.8 h;
stp21, charged with a current of 6A for 4.8 h;
stp22, performing acid extraction treatment on the storage battery to finish the preparation work.
Further, the step Stp18 includes a discharging phase and a discharging phase;
the discharge stage uses a voltage of 10.5V to load the battery,
the discharge phase is applied to the battery using a voltage of 10.1V.
Further, the step Stp22 performs acid extraction on the storage battery at a current of 0.8A. Further, the time for pumping acid to the storage battery in step Stp22 is 5 hours.
Furthermore, the model of the battery is CNF-100, and experimental results show that when the formation method is used for the model of the battery, the battery can keep higher service life and initial capacity, and the charging rate is 7.07.
The invention has the following beneficial effects:
the invention reduces the charging multiplying power by thinning the charging and discharging time and the electric quantity, so that the charging multiplying power is reduced to 7.07 times from 9.7 times of the original process and is reduced by 2.63 times; simultaneously, through the charge and discharge of different currents, the service life of the battery is prolonged, energy is saved, the production cost is reduced, the container formation charging effect is improved, and the quality of the storage battery is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a diagram showing the results of testing the batteries of the present invention and comparative batteries.
Detailed Description
A low-charging-rate CNF battery formation process for energy storage comprises the following steps:
stp1, charging the battery needing internal formation charging with a current of 1.6A for 0.05 h;
stp2, standing the battery for 0.5 h;
stp3, charged with a current of 9A for 7.8 h;
stp4, charged with a current of 12A for 11.4 h;
stp5, discharged for 0.9h with a current of 12.8A;
stp6, charged with a current of 12A for 5.4 h;
stp7, discharge with 16A current for 1.2 h;
stp8, charged with a current of 12A for 11.4 h;
stp9, discharge with 16A current for 1.8 h;
stp10, charged with a current of 12A for 5.7 h;
stp11, discharge with a current of 18A for 1.8 h;
stp12, charged with a current of 12A for 6.6 h;
stp13, discharge with a current of 20A for 1.8 h;
stp14, charged with a current of 12A for 7.2 h;
stp15, discharged for 2.1h with a current of 20A;
stp16, charged with a current of 12.5A for 10.8 h;
stp17, charged with a current of 8A for 10.2 h;
stp18, discharged for 9.5h with a current of 10A;
stp19, charged with a current of 12A for 6.6 h;
stp20, charged with a current of 9A for 7.8 h;
stp21, charged with a current of 6A for 4.8 h;
stp22, performing acid extraction treatment on the storage battery to finish the preparation work.
Wherein, the step Stp18 comprises a discharging phase and a discharging phase;
the voltage of 10.5V is applied to the storage battery in the discharging stage,
the discharge phase uses a voltage of 10.1V applied to the battery.
In step Stp22, the acid extraction process is performed on the battery at a current of 0.8A.
In step Stp22, the time for extracting acid from the storage battery is 5 h.
The model of the battery is CNF-100, and experimental results show that when the formation method is used for the battery of the model, the battery can keep higher service life and initial capacity, and the charging rate is 7.07.
As shown in figure 1 below:
the battery is stable in overall cycle life trend in the charging process test, the cycle capacity is stably maintained at 120min for 350 times in the early period, the cycle life is improved by about 60 times compared with that of the conventional battery, and the cost is reduced by 27.11% on the power consumption by 7.07 times of charging rate.
The conventional in the figure is a conventional charging process.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A low-charging-rate CNF battery formation process for energy storage is characterized by comprising the following steps of:
stp1, charging the battery needing internal formation charging with a current of 1.6A for 0.05 h;
stp2, standing the battery for 0.5 h;
stp3, charged with a current of 9A for 7.8 h;
stp4, charged with a current of 12A for 11.4 h;
stp5, discharged for 0.9h with a current of 12.8A;
stp6, charged with a current of 12A for 5.4 h;
stp7, discharge with 16A current for 1.2 h;
stp8, charged with a current of 12A for 11.4 h;
stp9, discharge with 16A current for 1.8 h;
stp10, charged with a current of 12A for 5.7 h;
stp11, discharge with a current of 18A for 1.8 h;
stp12, charged with a current of 12A for 6.6 h;
stp13, discharge with a current of 20A for 1.8 h;
stp14, charged with a current of 12A for 7.2 h;
stp15, discharged for 2.1h with a current of 20A;
stp16, charged with a current of 12.5A for 10.8 h;
stp17, charged with a current of 8A for 10.2 h;
stp18, discharged for 9.5h with a current of 10A;
stp19, charged with a current of 12A for 6.6 h;
stp20, charged with a current of 9A for 7.8 h;
stp21, charged with a current of 6A for 4.8 h;
stp22, performing acid extraction treatment on the storage battery to finish the preparation work.
2. The CNF battery formation process for low charge rate for energy storage according to claim 1, wherein the step Stp18 comprises a discharge stage and a discharge stage;
the discharge stage uses a voltage of 10.5V to load the battery,
the discharge phase is applied to the battery using a voltage of 10.1V.
3. The CNF battery formation process for low charge rate for energy storage according to claim 1, wherein the step Stp22 is implemented by performing acid extraction on a storage battery at a current of 0.6A.
4. The CNF battery formation process for low charge rate for energy storage according to claim 1 or 3, wherein the acid extraction time of the storage battery in step Stp22 is 5 h.
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| CN202010292719.2A CN111477982B (en) | 2020-04-15 | 2020-04-15 | Formation process of low-charging-rate CNF battery for energy storage |
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| CN202010292719.2A CN111477982B (en) | 2020-04-15 | 2020-04-15 | Formation process of low-charging-rate CNF battery for energy storage |
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| CN111477982B CN111477982B (en) | 2021-12-28 |
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Citations (11)
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| US4415410A (en) * | 1983-02-28 | 1983-11-15 | Allied Corporation | Forming of tetrabasic lead sulfate battery electrodes |
| CN102244301A (en) * | 2011-05-26 | 2011-11-16 | 江苏永达电源股份有限公司 | Container formation process for lead acid storage battery |
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| US20120139475A1 (en) * | 2009-08-06 | 2012-06-07 | Rhodri Evans | Method and Apparatus for Charging a Lead Acid Battery |
| CN103633389A (en) * | 2013-11-26 | 2014-03-12 | 河南超威电源有限公司 | Lead-acid storage battery container formation process |
| CN103647114A (en) * | 2013-12-10 | 2014-03-19 | 天能电池(芜湖)有限公司 | Five-charge three-discharge storage battery container formation method |
| CN106450502A (en) * | 2016-08-30 | 2017-02-22 | 天能电池集团有限公司 | Container formation charging technology of lead storage battery |
| CN108598609A (en) * | 2018-03-28 | 2018-09-28 | 超威电源有限公司 | A kind of colloid power container formation process for lead acid storage battery |
| CN109411839A (en) * | 2018-11-20 | 2019-03-01 | 天能电池(芜湖)有限公司 | A kind of technique reducing charging energy consumption |
| CN110176638A (en) * | 2019-06-05 | 2019-08-27 | 天能电池(芜湖)有限公司 | 20Ah battery reduces by two days charge technologies of charging energy consumption |
| CN110808428A (en) * | 2019-12-13 | 2020-02-18 | 天能电池(芜湖)有限公司 | Charging process for completing storage battery within 3 days |
-
2020
- 2020-04-15 CN CN202010292719.2A patent/CN111477982B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415410A (en) * | 1983-02-28 | 1983-11-15 | Allied Corporation | Forming of tetrabasic lead sulfate battery electrodes |
| US20120139475A1 (en) * | 2009-08-06 | 2012-06-07 | Rhodri Evans | Method and Apparatus for Charging a Lead Acid Battery |
| CN102244301A (en) * | 2011-05-26 | 2011-11-16 | 江苏永达电源股份有限公司 | Container formation process for lead acid storage battery |
| CN102368567A (en) * | 2011-10-13 | 2012-03-07 | 超威电源有限公司 | Formation method for dynamic lead-acid cell jar formation |
| CN103633389A (en) * | 2013-11-26 | 2014-03-12 | 河南超威电源有限公司 | Lead-acid storage battery container formation process |
| CN103647114A (en) * | 2013-12-10 | 2014-03-19 | 天能电池(芜湖)有限公司 | Five-charge three-discharge storage battery container formation method |
| CN106450502A (en) * | 2016-08-30 | 2017-02-22 | 天能电池集团有限公司 | Container formation charging technology of lead storage battery |
| CN108598609A (en) * | 2018-03-28 | 2018-09-28 | 超威电源有限公司 | A kind of colloid power container formation process for lead acid storage battery |
| CN109411839A (en) * | 2018-11-20 | 2019-03-01 | 天能电池(芜湖)有限公司 | A kind of technique reducing charging energy consumption |
| CN110176638A (en) * | 2019-06-05 | 2019-08-27 | 天能电池(芜湖)有限公司 | 20Ah battery reduces by two days charge technologies of charging energy consumption |
| CN110808428A (en) * | 2019-12-13 | 2020-02-18 | 天能电池(芜湖)有限公司 | Charging process for completing storage battery within 3 days |
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