CN109546243A - A kind of activation method of secondary cell - Google Patents

A kind of activation method of secondary cell Download PDF

Info

Publication number
CN109546243A
CN109546243A CN201710866439.6A CN201710866439A CN109546243A CN 109546243 A CN109546243 A CN 109546243A CN 201710866439 A CN201710866439 A CN 201710866439A CN 109546243 A CN109546243 A CN 109546243A
Authority
CN
China
Prior art keywords
battery
voltage
current
secondary cell
under
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710866439.6A
Other languages
Chinese (zh)
Inventor
王本伟
吴彬杰
李海军
蔡惠群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yinlong New Energy Co Ltd
Original Assignee
Yinlong New Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yinlong New Energy Co Ltd filed Critical Yinlong New Energy Co Ltd
Priority to CN201710866439.6A priority Critical patent/CN109546243A/en
Publication of CN109546243A publication Critical patent/CN109546243A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • H01M10/446Initial charging measures
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a kind of activation methods of secondary cell, this method are as follows: charge the battery in fixed current and under the first set time after the voltage of the battery reaches predeterminated voltage, battery is continued to charge under the predeterminated voltage, when the electric current of the battery reaches cut-off current, charging stops;It discharges in the cut-off current and under second set time to battery, it is charged the battery under the cut-off current after electric discharge until cell voltage reaches the predeterminated voltage, the electric current stabilization up to battery is charged the battery under the predeterminated voltage and continuous current later and terminates to charge, so far completes the activation of secondary cell;The present invention solves the problems, such as that secondary cell performance is poor by constant-current charge, constant-voltage charge, constant-current discharge and constant-current constant-voltage charging.

Description

A kind of activation method of secondary cell
Technical field
The invention belongs to cell activation technical fields, and in particular to a kind of activation method of secondary cell.
Background technique
Secondary cell is required to be activated in battery production enterprises, activation method is straight before entering market sale The performance for influencing battery and service life are connect, existing secondary cell activation is general only to carry out primary charging and primary electric discharge, this mode Performance is poor after causing secondary phone to activate and the service life is low.
Summary of the invention
The object of the present invention is to provide a kind of activation methods of secondary cell, are put by constant-current charge, constant-voltage charge, constant current Electricity and constant-current constant-voltage charging, solve the problems, such as that secondary cell performance is poor.
The technical scheme adopted by the invention is that:
The present invention provides a kind of activation method of secondary cell, this method are as follows: under fixed current and the first set time It charges the battery after the voltage of the battery reaches predeterminated voltage, battery is continued under the predeterminated voltage Charging, when the electric current of the battery reaches cut-off current, charging stops;
It discharges in the cut-off current and under second set time to battery, in the cut-off current after electric discharge Under charge the battery until cell voltage reach the predeterminated voltage, it is right under the predeterminated voltage and continuous current later Battery carries out charging up to the electric current stabilization of battery and terminates to charge, and so far completes the activation of secondary cell.
The features of the present invention also characterized in that
It is described in fixed current and after being charged the battery under the first set time, this method further include: when described When the electric voltage exception of battery, stop charging and cleaning carried out to the battery until voltage is normal, later again in fixed current and It is charged the battery under set time.
The electric voltage exception of the battery, specifically: voltage enters constant pressure shape in the first time threshold after being charged State.
The electric voltage exception of the battery, specifically: the maximum value of voltage is super in the second time threshold after being charged Cross 2125mV.
The fixed current is 0.02-0.15C.
First set time are as follows: 1.5-2.5h.
The cut-off current is 0.01-0.05C.
Second set time is 2-2.5h.
The continuous current is 0.05-0.15C.
The electric current of the battery is stablized between 0.01-0.05C.
Compared with prior art, in the use of the present invention, passing through constant-current charge, constant-voltage charge, constant-current discharge and constant current The cooperation of constant-voltage charge improves the performance and used life of secondary cell.
Detailed description of the invention
Fig. 1 is a kind of flow chart for the activation method that the embodiment of the present invention provides secondary cell;
Fig. 2 is that the embodiment of the present invention provides the curve graph that electric voltage exception is judged in the activation method of secondary cell a kind of;
Fig. 3 is that the embodiment of the present invention provides another curve for judging electric voltage exception in a kind of activation method of secondary cell Figure;
Fig. 4 is that the embodiment of the present invention provides the functional block diagram of detection device in a kind of activation method of secondary cell.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
The embodiment of the present invention provides a kind of activation method of secondary cell, as shown in Figure 1, this method are as follows:
At constant current 0.02-0.15C to battery charging 1.5-2.5h after voltage reaches predeterminated voltage, in predeterminated voltage Under battery is continued to charge, when the electric current of battery reaches cut-off current, cut-off current 0.01-0.05C, charging stops Only;Electric discharge 2-2.5h is carried out to battery under cut-off current, is charged the battery under cut-off current to electricity after electric discharge Cell voltage reaches predeterminated voltage, charges the battery under predeterminated voltage and continuous current 0.05-0.15C to battery later Electric current is stablized between 0.01-0.05C, and charging is terminated, and so far completes secondary cell activation, in this way, passing through constant-current charge, constant pressure Charging, the cooperation of constant-current discharge and constant-current constant-voltage charging, improve the performance and used life of secondary cell.
It is described in fixed current and after being charged the battery under the first set time, this method further include: when described When the electric voltage exception of battery, stop charging and cleaning carried out to the battery until voltage is normal, later again in fixed current and It is charged the battery under set time, the electric voltage exception specifically: voltage enters perseverance in ten minutes after being charged Pressure condition (as shown in Figure 2) or the maximum value of voltage is more than 2125mV (as shown in Figure 3) in ten minutes after being charged, In this way, can judge whether battery has exception at activation initial stage, the efficiency of entire assembly line is improved.
As shown in figure 4, this programme determines the stability of electric current using detection device, the detection device includes taking Sample resistance R, difference amplifier C, difference amplifier B, multi-channel gating device MUX, data acquisition unit CDC, D/A conversion unit DCC, main control unit MCU, display unit DIS and circuit switching SW;
The sample resistance R is serially connected in current loop to be connect with the input terminal of difference amplifier C, the sample resistance R It is connect by circuit switching SW with main control unit MCU, the main control unit MCU is connect with multi-channel gating device MUX, the multichannel choosing The input terminal of logical device MUX receives the output signal of difference amplifier C or difference amplifier B, is passed to by multi-channel gating device MUX Data acquisition unit CDC, data acquisition unit CDC are connect with main control unit MCU, and D/A conversion unit DCC receives from master control list Data that first MCU comes simultaneously are converted into analog signal and give difference amplifier B;Main control unit MCU receives data acquisition unit CDC and send The data come, and handled by software and be output to D/A conversion unit DCC, or given circuit switching SW or give display unit DIS, in this way, then acquiring signal difference with real-time using carrying out electric current initial value that circulation to be pressed to change and being set as feedback threshold voltage The method of point amplification carries out current stability detection, this method can effective removal system noise interference, it is accurate to examine Measure the small variation of electric current.
Embodiment 1
1.5h is charged the battery at constant current 0.02C, while acquiring the voltage of inside battery, when acquisition inside battery Voltage reach predeterminated voltage after, battery is continued to charge under predeterminated voltage, while acquiring the electric current of battery, works as acquisition When the electric current of battery reaches 0.01C, charging stops;Electric discharge 2h is carried out to battery at electric current 0.01C, in electric current after electric discharge It is charged the battery under 0.01C to cell voltage and reaches predeterminated voltage, later to battery under predeterminated voltage and 0.05C electric current The electric current for charge to battery is stablized in 0.01C, and secondary cell activation is so far completed;In addition, acquiring inside battery simultaneously Further comprise after voltage: when acquiring the electric voltage exception of inside battery, stop charging and cleaning is carried out to the battery until Voltage is normal, continues to charge to battery later, electric voltage exception specifically: voltage enters in ten minutes after being charged Pressure constant state (as shown in Figure 2).
Embodiment 2
2h is charged the battery at constant current 0.1C, while acquiring the voltage of inside battery, when acquisition inside battery After voltage reaches predeterminated voltage, battery is continued to charge under predeterminated voltage, while acquiring the electric current of battery, when acquisition electricity When the electric current in pond reaches 0.03C, charging stops;Electric discharge 2.3h is carried out to battery at electric current 0.03C, in electric current after electric discharge It is charged the battery under 0.03C to cell voltage and reaches predeterminated voltage, later to battery under predeterminated voltage and 0.08C electric current The electric current for charge to battery is stablized in 0.03C, and secondary cell activation is so far completed;In addition, acquiring inside battery simultaneously Further comprise after voltage: when acquiring the electric voltage exception of inside battery, stop charging and cleaning is carried out to the battery until Voltage is normal, continues to charge to battery later, electric voltage exception specifically: voltage enters in ten minutes after being charged Pressure constant state (as shown in Figure 2).
Embodiment 3
2.5h is charged the battery at constant current 0.15C, while acquiring the voltage of inside battery, when acquisition inside battery Voltage reach predeterminated voltage after, battery is continued to charge under predeterminated voltage, while acquiring the electric current of battery, works as acquisition When the electric current of battery reaches 0.05C, charging stops;Electric discharge 2.5h is carried out to battery at electric current 0.05C, in electricity after electric discharge It charges the battery under stream 0.05C to cell voltage and reaches predeterminated voltage, later to electricity under predeterminated voltage and 0.15C electric current The electric current that pond charge to battery is stablized in 0.05C, and secondary cell activation is so far completed;In addition, acquiring inside battery simultaneously Voltage after further comprise: when acquiring the electric voltage exception of inside battery, stop charging simultaneously the battery clean it is straight It is normal to voltage, later battery is continued to charge, electric voltage exception specifically: in ten minutes after being charged voltage into Enter pressure constant state (as shown in Figure 2).
Embodiment 4
1.5h is charged the battery at constant current 0.02C, while acquiring the voltage of inside battery, when acquisition inside battery Voltage reach predeterminated voltage after, battery is continued to charge under predeterminated voltage, while acquiring the electric current of battery, works as acquisition When the electric current of battery reaches 0.01C, charging stops;Electric discharge 2h is carried out to battery at electric current 0.01C, in electric current after electric discharge It is charged the battery under 0.01C to cell voltage and reaches predeterminated voltage, later to battery under predeterminated voltage and 0.05C electric current The electric current for charge to battery is stablized between 0.01C, and secondary cell activation is so far completed;In addition, acquiring in battery simultaneously Further comprise after the voltage in portion: when acquiring the electric voltage exception of inside battery, stopping charging and cleaning the battery Until voltage is normal, later battery is continued to charge, electric voltage exception specifically: the voltage in ten minutes after being charged Maximum value be more than 2125mV (as shown in Figure 3).
Embodiment 5
1.8h is charged the battery at constant current 0.1C, while acquiring the voltage of inside battery, when acquisition inside battery Voltage reach predeterminated voltage after, battery is continued to charge under predeterminated voltage, while acquiring the electric current of battery, works as acquisition When the electric current of battery reaches 0.02C, charging stops;Electric discharge 2.2h is carried out to battery at electric current 0.02C, in electricity after electric discharge It charges the battery under stream 0.02C to cell voltage and reaches predeterminated voltage, later to electricity under predeterminated voltage and 0.1C electric current The electric current that pond charge to battery is stablized in 0.02C, and secondary cell activation is so far completed;In addition, acquiring inside battery simultaneously Voltage after further comprise: when acquiring the electric voltage exception of inside battery, stop charging simultaneously the battery clean it is straight It is normal to voltage, later battery is continued to charge, electric voltage exception specifically: the voltage in ten minutes after being charged Maximum value is more than 2125mV (as shown in Figure 3).
Embodiment 6
2.5h is charged the battery at constant current 0.15C, while acquiring the voltage of inside battery, when acquisition inside battery Voltage reach predeterminated voltage after, battery is continued to charge under predeterminated voltage, while acquiring the electric current of battery, works as acquisition When the electric current of battery reaches 0.05C, charging stops;Electric discharge 2.5h is carried out to battery at electric current 0.05C, in electricity after electric discharge It charges the battery under stream 0.05C to cell voltage and reaches predeterminated voltage, later to electricity under predeterminated voltage and 0.15C electric current The electric current that pond charge to battery is stablized in 0.05C, and secondary cell activation is so far completed;In addition, acquiring inside battery simultaneously Voltage after further comprise: when acquiring the electric voltage exception of inside battery, stop charging simultaneously the battery clean it is straight It is normal to voltage, later battery is continued to charge, electric voltage exception specifically: the voltage in ten minutes after being charged Maximum value is more than 2125mV (as shown in Figure 3).
Using the above scheme, compared with prior art, the present invention by constant-current charge, constant-voltage charge, constant current in use, put The cooperation of electricity and constant-current constant-voltage charging, improves the performance and used life of secondary cell.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims (10)

1. a kind of activation method of secondary cell, which is characterized in that this method are as follows: fixed current and under the first set time it is right Battery carries out charging after the voltage of the battery reaches predeterminated voltage, continues to fill to battery under the predeterminated voltage Electricity, when the electric current of the battery reaches cut-off current, charging stops;
It discharges in the cut-off current and under second set time to battery, it is right under the cut-off current after electric discharge Battery carries out charging until cell voltage reaches the predeterminated voltage, later to battery under the predeterminated voltage and continuous current Charging is carried out up to the electric current stabilization of battery and terminates to charge, so far completes the activation of secondary cell.
2. a kind of activation method of secondary cell according to claim 1, which is characterized in that described in fixed current and After being charged the battery under one set time, this method further include: when the electric voltage exception of the battery, stop charging simultaneously To the battery carry out cleaning until voltage it is normal, charged the battery under fixed current and set time again later.
3. a kind of activation method of secondary cell according to claim 2, which is characterized in that the voltage of the battery is different Often, specifically: voltage enters pressure constant state in the first time threshold after being charged.
4. a kind of activation method of secondary cell according to claim 2, which is characterized in that the voltage of the battery is different Often, specifically: the maximum value of voltage is more than 2125mV in the second time threshold after being charged.
5. a kind of activation method of secondary cell according to claim 3 or 4, which is characterized in that the fixed current is 0.02-0.15C。
6. a kind of activation method of secondary cell according to claim 5, which is characterized in that first set time Are as follows: 1.5-2.5h.
7. a kind of activation method of secondary cell according to claim 6, which is characterized in that the cut-off current is 0.01-0.05C。
8. a kind of activation method of secondary cell according to claim 7, which is characterized in that second set time is 2-2.5h。
9. a kind of activation method of secondary cell according to claim 8, which is characterized in that the continuous current is 0.05-0.15C。
10. a kind of activation method of secondary cell according to claim 9, which is characterized in that the electric current of the battery is steady It is scheduled between 0.01-0.05C.
CN201710866439.6A 2017-09-22 2017-09-22 A kind of activation method of secondary cell Pending CN109546243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710866439.6A CN109546243A (en) 2017-09-22 2017-09-22 A kind of activation method of secondary cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710866439.6A CN109546243A (en) 2017-09-22 2017-09-22 A kind of activation method of secondary cell

Publications (1)

Publication Number Publication Date
CN109546243A true CN109546243A (en) 2019-03-29

Family

ID=65830694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710866439.6A Pending CN109546243A (en) 2017-09-22 2017-09-22 A kind of activation method of secondary cell

Country Status (1)

Country Link
CN (1) CN109546243A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008236930A (en) * 2007-03-22 2008-10-02 Yamaha Motor Co Ltd Charging device of secondary battery
US20080272738A1 (en) * 2006-02-28 2008-11-06 Tomohiko Kamatani Integrated circuit for controlling charging, charging device using the integrated circuit, and method for detecting connection of secondary battery
CN103066329A (en) * 2011-10-24 2013-04-24 深圳市比克电池有限公司 Lithium ion battery activation method
CN103124097A (en) * 2013-03-27 2013-05-29 南通林诺电子科技有限公司 Intelligent lithium ion charger
CN103515653A (en) * 2012-06-28 2014-01-15 深圳市海盈科技有限公司 Formation method of soft-packed lithium ion battery
CN104332670A (en) * 2014-10-27 2015-02-04 山东圣阳电源股份有限公司 Method for formation charging of lithium iron phosphate battery
CN104577202A (en) * 2013-10-17 2015-04-29 奇瑞汽车股份有限公司 Formation method and preparation method of high-voltage lithium ion battery as well as battery

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080272738A1 (en) * 2006-02-28 2008-11-06 Tomohiko Kamatani Integrated circuit for controlling charging, charging device using the integrated circuit, and method for detecting connection of secondary battery
JP2008236930A (en) * 2007-03-22 2008-10-02 Yamaha Motor Co Ltd Charging device of secondary battery
CN103066329A (en) * 2011-10-24 2013-04-24 深圳市比克电池有限公司 Lithium ion battery activation method
CN103515653A (en) * 2012-06-28 2014-01-15 深圳市海盈科技有限公司 Formation method of soft-packed lithium ion battery
CN103124097A (en) * 2013-03-27 2013-05-29 南通林诺电子科技有限公司 Intelligent lithium ion charger
CN104577202A (en) * 2013-10-17 2015-04-29 奇瑞汽车股份有限公司 Formation method and preparation method of high-voltage lithium ion battery as well as battery
CN104332670A (en) * 2014-10-27 2015-02-04 山东圣阳电源股份有限公司 Method for formation charging of lithium iron phosphate battery

Similar Documents

Publication Publication Date Title
CN106343617B (en) Electronic cigarette control method, device and electronic cigarette
CN101917032A (en) Mobile terminal and battery charging method thereof
CN104362406B (en) The charge control method of mobile terminal and mobile terminal
CN105703429A (en) Charging method, mobile terminal, charging device and system
JP2016513241A (en) Method, apparatus, system, vehicle, and computer program for estimating battery state
CN102593881B (en) Charging power supply circuit, method and application apparatus
CN105162181A (en) Charging method and device
KR101866095B1 (en) Apparatus and method for controlling pulse width modulation switching frequency
CN103219754B (en) Single loop charging device and charging method
CN107248844B (en) A kind of photo-voltaic power supply
CN104297692A (en) Method for detecting service life of battery
CN105004928A (en) Method capable of measuring at leat one resistance parameter and electronic apparatus
AU2016101740A4 (en) Charger and charging method
CN109546243A (en) A kind of activation method of secondary cell
CN102998505A (en) Battery undervoltage detecting circuit
CN105991032B (en) The frequency controller of power adapter and its relevant control method for frequency
CN102742136B (en) Buck dc-dc and ON-OFF control circuit
CN104483580B (en) A kind of DC DC transducers zero load detection means based on PFM step-by-step countings
CN208818756U (en) A kind of circuit improving STEP-DOWN load current detection precision
CN105186936A (en) Brushless motor bootstrap capacitor intelligent charging device and method
TWI473389B (en) Charger circuit and charging control method
CN106033902A (en) Switching type charger
CN202888790U (en) Resettable over/under-voltage protector based on one-chip microcomputer
CN106654404B (en) A kind of method and device that cell output voltage is set
CN103501027B (en) Vehicular method for charging batteries and vehicular batter-charghing system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination