CN108054449A - A kind of Ni-MH battery activation device and its process for rapid activation - Google Patents
A kind of Ni-MH battery activation device and its process for rapid activation Download PDFInfo
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- CN108054449A CN108054449A CN201711488919.XA CN201711488919A CN108054449A CN 108054449 A CN108054449 A CN 108054449A CN 201711488919 A CN201711488919 A CN 201711488919A CN 108054449 A CN108054449 A CN 108054449A
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- metal hydride
- hydride battery
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000004913 activation Effects 0.000 title claims abstract description 47
- 230000008569 process Effects 0.000 title claims abstract description 36
- 229910018095 Ni-MH Inorganic materials 0.000 title abstract 14
- 229910018477 Ni—MH Inorganic materials 0.000 title abstract 14
- 238000007600 charging Methods 0.000 claims abstract description 101
- 238000007599 discharging Methods 0.000 claims abstract description 85
- 238000001994 activation Methods 0.000 claims abstract description 64
- 229910052987 metal hydride Inorganic materials 0.000 claims description 151
- 208000028659 discharge Diseases 0.000 claims description 50
- 229910052739 hydrogen Inorganic materials 0.000 claims description 25
- 239000001257 hydrogen Substances 0.000 claims description 25
- 238000012544 monitoring process Methods 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 230000005779 cell damage Effects 0.000 abstract 1
- 208000037887 cell injury Diseases 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010277 constant-current charging Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- H01M10/4242—Regeneration of electrolyte or reactants
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of Ni-MH battery activation device and its process for rapid activation, and the Ni-MH battery activation device is controlled the entire activation process of Ni-MH battery by control module, and discharge module discharges to Ni-MH battery；Charging module charges to Ni-MH battery；Temperature-measuring module monitors temperature of the Ni-MH battery in activation process, and the temperature value of Ni-MH battery is fed back to control module；Voltage control module controls voltage of the Ni-MH battery in activation process；Current control module controls electric current of the Ni-MH battery in activation process.The present invention controls voltage control module and current control module by control module, the charging and discharging process of Ni-MH battery is quickly and safely carried out, cell damage caused by avoiding overcharging or overdischarging, to new Ni-MH battery capacity activation and internal resistance is gone to activate old Ni-MH battery by activation process, ensure the normal use of Ni-MH battery.
Description
Technical Field
The invention relates to a battery activation device, in particular to a nickel-metal hydride battery activation device and a rapid activation method thereof.
Background
With the rapid development of electronic products, portable electronic mobile devices are widely used. Along with the popularization of electronic mobile equipment, the demand for nickel-metal hydride batteries which are low in environmental pollution and can be recycled for multiple times is increasing; in addition to the increasing demand for the capacity of the nickel-metal hydride battery, a high demand is also placed on the service life of the nickel-metal hydride battery. However, in the prior art, the nickel-metal hydride battery which is manufactured by taking nickel hydroxide as a positive electrode material and potassium hydroxide as an electrolyte component has overlarge internal resistance in the battery in the use process, the discharge voltage is low, the nickel-metal hydride battery cannot be used due to low electric quantity, or the nickel-metal hydride battery cannot be charged due to overhigh charging voltage, and the number of times of recycling is obviously reduced, so that the nickel-metal hydride battery needs to be activated, but not all the nickel-metal hydride batteries can be activated.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a nickel-metal hydride battery activation device and a rapid activation method thereof, so as to overcome the defects in the prior art.
In order to achieve the above object, the present invention provides a nickel-metal hydride battery activation device, which includes a discharging module, a charging module, a temperature measuring module, a voltage control module, a current control module, a control module, and a nickel-metal hydride battery to be activated; the discharging module is connected with the voltage control module, the current control module, the control module and the nickel-metal hydride battery to be activated and is used for discharging the nickel-metal hydride battery to be activated according to the command of the control module; the charging module is connected with the voltage control module, the current control module, the control module and the nickel-metal hydride battery to be activated and is used for charging the nickel-metal hydride battery to be activated according to the command of the control module; the temperature measuring module is connected with the control module and the nickel-metal hydride battery to be activated and is used for monitoring the temperature of the nickel-metal hydride battery in the activation process and feeding back the temperature value of the nickel-metal hydride battery to the control module; the voltage control module is connected with the discharging module, the charging module, the control module and the nickel-metal hydride battery to be activated and is used for monitoring the voltage change of the nickel-metal hydride battery in the activation process and controlling the voltage of the discharging module in the charging process according to the command of the control module; the current control module is connected with the discharging module, the charging module, the control module and the nickel-metal hydride battery to be activated and is used for monitoring the current change of the nickel-metal hydride battery in the activation process and controlling the current of the discharging module in the discharging process and the current of the charging module in the charging process according to the command of the control module; the control module is connected with the discharging module, the charging module, the temperature measuring module, the voltage control module, the current control module and the nickel-metal hydride battery to be activated and is used for controlling the whole activation process of the nickel-metal hydride battery.
As a further description of the activation apparatus for a nickel-metal hydride battery according to the present invention, preferably, the control module controls the discharging module to discharge the nickel-metal hydride battery according to a state of the nickel-metal hydride battery to be activated; meanwhile, the control module controls the current control module to monitor the current passing through the nickel-metal hydride battery so as to adjust the discharge current in the discharge module; the control module controls the voltage control module to monitor the voltage across the nickel-metal hydride battery to prevent over-discharge.
As a further description of the activation apparatus for a nickel-metal hydride battery of the present invention, preferably, the control module controls the charging module to charge the nickel-metal hydride battery according to a state of the nickel-metal hydride battery to be activated; meanwhile, the control module controls the current control module to monitor the current passing through the nickel-metal hydride battery so as to adjust the charging current in the charging module; the control module controls the voltage control module to monitor the voltage across the nickel-metal hydride battery to prevent overcharging.
As a further description of the activation apparatus for a nickel-metal hydride battery of the present invention, preferably, the temperature measuring module monitors the temperature of the nickel-metal hydride battery during the charging process and feeds the temperature back to the control module, and the control module controls the charging module to stop charging the nickel-metal hydride battery.
As a further description of the activation device for a nickel-metal hydride battery of the present invention, it is preferable that the voltage controlled by the voltage control module is in a range of 1 to 1.35V.
The invention also provides a rapid activation method using the activation device for the nickel-metal hydride battery, which comprises the following steps:
step 1): detecting the state of the nickel-hydrogen battery;
the control module detects the state of the nickel-metal hydride battery and selects charging or discharging according to the state of the nickel-metal hydride battery; when the charge amount of the new nickel-metal hydride battery is more than 40%, discharging and recharging firstly, and when the charge amount of the battery is less than 40%, charging and then discharging firstly; discharging the old nickel-metal hydride battery with high current;
step 2): charging and discharging the new nickel-metal hydride battery;
step 2-1): performing discharge treatment;
the control module controls the discharge module and the current control module to discharge the new nickel-metal hydride battery by 0.2C discharge current, and when the voltage control module detects that the voltage is 1V, the discharge is stopped;
step 2-2): charging treatment;
the control module controls the charging module and the current control module to charge the new nickel-metal hydride battery at 0.1C charging current, and when the voltage control module detects that the voltage is 1.35V, the charging is stopped;
step 2-3): repeating the step 2-1) and the step 2-2) for 2-4 times of circulation until the battery capacity is close to the rated capacity; or,
step 3): discharging the old nickel-metal hydride battery with high current;
step 3-1): performing discharge treatment;
the control module controls the discharging module and the current control module to discharge the old nickel-metal hydride battery by 5C;
step 3-2): standing;
when the temperature measuring module detects that the temperature of the old nickel-hydrogen battery in discharge reaches 40 ℃, the control module controls the discharge module to stop charging, and the control module waits for the temperature to recover to normal and carries out discharge treatment again;
step 3-3): and repeating the step 3-1) and the step 3-2) until the voltage control module detects that the voltage of the old nickel-metal hydride battery is reduced to 1V, and stopping the discharging treatment.
As a further explanation of the rapid activation method according to the present invention, preferably, the discharging treatment of step 2-1) is discharging to 1.2V at a current of 0.2C rate, then discharging to 1.0V at a current of 0.5C rate, and stopping for half an hour; and finally discharging for 8-10 hours by using current with 0.2C multiplying power.
As a further description of the rapid activation method according to the present invention, it is preferable that the charging process in step 2-2) is a first charging process in which the charging is performed to 1.35V at a current rate of 0.1C, and then the charging process is performed to 1.2 to 1.35V at a current rate of 0.1C.
The control module controls the voltage control module and the current control module, so that the charging and discharging processes of the nickel-hydrogen battery can be rapidly and safely carried out, the battery damage caused by overcharge or overdischarge is avoided, the capacity of a new nickel-hydrogen battery is activated through the activation process, and the internal resistance of an old nickel-hydrogen battery is deactivated, so that the normal use of the nickel-hydrogen battery is ensured.
Drawings
FIG. 1 is a schematic structural diagram of an activation apparatus for a nickel-metal hydride battery according to the present invention;
FIG. 2 is a block diagram showing the discharge process of the activation apparatus for a nickel-metal hydride battery according to the present invention;
FIG. 3 is a block diagram showing the structure of a charging process of the activation apparatus for a nickel-metal hydride battery according to the present invention;
fig. 4 is a block diagram showing the structure of the temperature control process of the activation apparatus for a nickel-hydrogen battery according to the present invention.
Detailed Description
To further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solutions of the present invention and are not to limit the present invention.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a nickel-metal hydride battery activation device according to the present invention; the activation device of the nickel-metal hydride battery comprises a discharging module 1, a charging module 2, a temperature measuring module 3, a voltage control module 4, a current control module 5, a control module 6 and the nickel-metal hydride battery to be activated; the discharging module 1 is connected with the voltage control module 4, the current control module 5, the control module 6 and the nickel-metal hydride battery to be activated, and is used for discharging the nickel-metal hydride battery to be activated according to the command of the control module 6; the charging module 2 is connected with the voltage control module 4, the current control module 5, the control module 6 and the nickel-metal hydride battery to be activated, and is used for charging the nickel-metal hydride battery to be activated according to the command of the control module 6; the temperature measuring module 3 is connected with the control module 6 and the nickel-metal hydride battery to be activated, and is used for monitoring the temperature of the nickel-metal hydride battery in the activation process, feeding the temperature value of the nickel-metal hydride battery back to the control module 6, and then cooling the nickel-metal hydride battery according to the command of the control module 6 under the condition of not damaging the battery; the voltage control module 4 is connected with the discharging module 1, the charging module 2, the control module 6 and the nickel-metal hydride battery to be activated, and is used for monitoring the voltage change of the nickel-metal hydride battery in the activation process and controlling the voltage of the discharging module 1 in the charging process according to the command of the control module 6; preferably, the voltage range controlled by the voltage control module 4 is 1-1.35V; the current control module 5 is connected with the discharging module 1, the charging module 2, the control module 6 and the nickel-metal hydride battery to be activated, and is used for monitoring the current change of the nickel-metal hydride battery in the activation process and controlling the current of the discharging module 1 in the discharging process and the current of the charging module 2 in the charging process according to the command of the control module 6; the control module 6 is connected with the discharging module 1, the charging module 2, the temperature measuring module 3, the voltage control module 4, the current control module 5 and the nickel-metal hydride battery to be activated, and is used for controlling the whole activation process of the nickel-metal hydride battery.
Referring to fig. 2, fig. 2 is a block diagram illustrating a discharging process of the activation device for a nickel-metal hydride battery according to the present invention;
the control module 6 sends a discharge signal or a discharge stopping signal to the discharge module 1, the discharge module 1 receives the discharge signal or the discharge stopping signal and discharges or stops discharging the nickel-metal hydride battery, wherein the control module 6 controls the discharge module 1 to discharge or stop discharging the nickel-metal hydride battery according to the state of the nickel-metal hydride battery to be activated; during discharging, the control module 6 sends a constant-current discharging signal to the current control module 5, the current control module 5 receives the constant-current discharging signal and controls and monitors the nickel-metal hydride battery, and the control module 6 controls the current control module 5 to discharge the nickel-metal hydride battery at a constant current and monitors the discharging current of the nickel-metal hydride battery so as to adjust the discharging current in the discharging module 1 and avoid overlarge current fluctuation; the control module 6 sends a monitoring voltage signal to the voltage control module 4, the voltage control module 4 receives the monitoring voltage signal and controls and monitors the nickel-metal hydride battery, and the control module 6 controls the voltage control module 4 to monitor the voltage at two ends of the nickel-metal hydride battery so as to prevent over-discharge.
Referring to fig. 3, fig. 3 is a block diagram illustrating a charging process of the activation device for a nickel-metal hydride battery according to the present invention; the control module 6 sends a charging signal or a charging stop signal to the charging module 2, the charging module 2 receives the charging signal or the charging stop signal and charges or stops charging the nickel-hydrogen battery, wherein the control module 6 controls the charging module 2 to charge or stop charging the nickel-hydrogen battery according to the state of the nickel-hydrogen battery to be activated; during charging, the control module 6 sends a constant-current charging signal to the current control module 5, the current control module 5 receives the constant-current charging signal and controls and monitors the nickel-metal hydride battery, the control module 6 controls the current control module 5 to charge the nickel-metal hydride battery at a constant current and monitors the charging current passing through the nickel-metal hydride battery, if the difference between the actual current value and the set value exceeds 10%, the duty ratio is adjusted, so that the charging current can be maintained near the set value, the charging current in the charging module 2 is adjusted, and overlarge current fluctuation is avoided; the control module 6 sends a monitoring voltage signal to the voltage control module 4, the voltage control module 4 receives the monitoring voltage signal and controls and monitors the nickel-hydrogen battery, and the control module 6 controls the voltage control module 4 to monitor the voltage at two ends of the nickel-hydrogen battery so as to prevent overcharge; in addition, the control module 6 sends a temperature monitoring signal to the temperature measuring module 3, and the temperature measuring module 3 receives the temperature monitoring signal, so that the control module 6 controls the temperature measuring module 3 to monitor the temperature of the nickel-metal hydride battery, and the charging is stopped when the temperature of the battery exceeds 55 ℃ or the temperature rise of 0.5 ℃/min occurs.
Referring to fig. 4, fig. 4 is a block diagram illustrating a temperature control process of the activation device for a nickel-metal hydride battery according to the present invention; the control module 6 sends a heating signal or a cooling signal to the temperature measurement module 3, and the temperature measurement module 3 receives the heating signal or the cooling signal, so that the control module 6 can control the temperature measurement module 3 to heat or cool the nickel-metal hydride battery, so as to accelerate the activity of the electrolyte and avoid further damage of the battery caused by overhigh temperature; in the charging process, the control module 6 sends a temperature monitoring signal to the temperature measuring module 3, the temperature measuring module 3 receives the temperature monitoring signal, so that the temperature measuring module 3 monitors the temperature of the nickel-metal hydride battery and feeds the temperature back to the control module 6, when the temperature is too high, the charging of the nickel-metal hydride battery is stopped in time, and the leakage phenomenon and the damage caused by the too high temperature of the nickel-metal hydride battery are avoided.
The invention also provides a rapid activation method using the activation device for the nickel-metal hydride battery, which comprises the following steps:
step 1): detecting the state of the nickel-hydrogen battery;
the control module 6 detects the state of the nickel-metal hydride battery and selects charging or discharging according to the state of the nickel-metal hydride battery; because the activation of the nickel-hydrogen battery comprises the capacity activation of a new battery and the internal resistance removal activation of an old battery, different activation methods are adopted for the new nickel-hydrogen battery and the old nickel-hydrogen battery, wherein when the charge amount of the new nickel-hydrogen battery is more than 40%, the new nickel-hydrogen battery is discharged and recharged firstly, and when the charge amount of the battery is less than 40%, the new nickel-hydrogen battery is charged and then discharged firstly; and discharging the old nickel-hydrogen battery with high current.
Step 2): charging and discharging the new nickel-metal hydride battery;
step 2-1): performing discharge treatment;
the control module 6 controls the discharging module 1 and the current control module 5 to discharge the new nickel-metal hydride battery with 0.2C discharging current, and stops discharging when the voltage control module 4 detects that the voltage is 1V. Preferably, the discharge treatment is to discharge to 1.2V at 0.2C rate current, then discharge to 1.0V at 0.5C rate current, and stop for half an hour; and finally discharging for 8-10 hours by using current with 0.2C multiplying power. In the discharging process, the nickel-metal hydride battery can slowly generate heat, when the temperature measuring module 3 detects that the temperature of the nickel-metal hydride battery is at 55 ℃, the control module 6 automatically controls the discharging module 1 to stop discharging, after the temperature of the nickel-metal hydride battery is recovered to be normal, the control module 6 starts the discharging module 1 to discharge again, the discharging process is completed until the voltage of each section of the nickel-metal hydride battery is reduced to 1.0V, and then the nickel-metal hydride battery is charged.
Step 2-2): charging treatment;
the control module 6 controls the charging module 2 and the current control module 5 to charge the new nickel-metal hydride battery with 0.1C charging current, and when the voltage control module 4 detects that the voltage is 1.35V, the charging is stopped. Preferably, the charging process is a first charging process in which the charging is performed to 1.35V by a current of 0.1C rate, and a second charging process in which the charging is performed to 1.2-1.35V by a current of 0.1C rate.
Step 2-3): and repeating the step 2-1) and the step 2-2) for 2-4 cycles until the battery capacity is close to the rated capacity.
Step 3): discharging the old nickel-metal hydride battery with high current;
step 3-1): performing discharge treatment;
the control module 6 controls the discharging module 1 and the current control module 5 to perform discharging processing on the old nickel-metal hydride battery at 5C.
Step 3-2): standing;
when the temperature measuring module 3 detects that the temperature of the old nickel-hydrogen battery in discharge reaches 40 ℃, the control module 6 controls the discharge module 1 to stop charging, and the discharge processing is carried out again after the temperature returns to normal;
step 3-3): and repeating the step 3-1) and the step 3-2) until the voltage control module 4 detects that the voltage of the old nickel-metal hydride battery is reduced to 1V, and stopping the discharging process.
In conclusion, the control module controls the voltage control module and the current control module, so that the charging and discharging processes of the nickel-metal hydride battery can be rapidly and safely carried out, the battery damage caused by overcharge or overdischarge is avoided, the capacity of a new nickel-metal hydride battery is activated through the activation process, and the internal resistance of an old nickel-metal hydride battery is deactivated, so that the normal use of the nickel-metal hydride battery is ensured; the temperature of the nickel-metal hydride battery is monitored by using the temperature measuring module, so that the liquid leakage phenomenon caused by overhigh temperature of the nickel-metal hydride battery is avoided; the control module controls the discharging module and the charging module to discharge and charge the nickel-metal hydride battery, monitors the state of the nickel-metal hydride battery, adjusts the current passing through the nickel-metal hydride battery in real time, and ensures constant-current constant-voltage charging and constant-current discharging.
It should be noted that the above summary and the detailed description are intended to demonstrate the practical application of the technical solutions provided by the present invention, and should not be construed as limiting the scope of the present invention. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the invention. The scope of the invention is to be determined by the appended claims.
Claims (8)
1. The activation device for the nickel-metal hydride battery is characterized by comprising a discharging module (1), a charging module (2), a temperature measuring module (3), a voltage control module (4), a current control module (5), a control module (6) and the nickel-metal hydride battery to be activated; wherein,
the discharging module (1) is connected with the voltage control module (4), the current control module (5), the control module (6) and the nickel-metal hydride battery to be activated and is used for discharging the nickel-metal hydride battery to be activated according to the command of the control module (6);
the charging module (2) is connected with the voltage control module (4), the current control module (5), the control module (6) and the nickel-metal hydride battery to be activated and is used for charging the nickel-metal hydride battery to be activated according to the command of the control module (6);
the temperature measuring module (3) is connected with the control module (6) and the nickel-metal hydride battery to be activated and is used for monitoring the temperature of the nickel-metal hydride battery in the activation process and feeding back the temperature value of the nickel-metal hydride battery to the control module (6);
the voltage control module (4) is connected with the discharging module (1), the charging module (2), the control module (6) and the nickel-metal hydride battery to be activated, and is used for monitoring the voltage change of the nickel-metal hydride battery in the activation process and controlling the voltage of the discharging module (1) in the charging process according to the command of the control module (6);
the current control module (5) is connected with the discharging module (1), the charging module (2), the control module (6) and the nickel-metal hydride battery to be activated and is used for monitoring the current change of the nickel-metal hydride battery in the activation process and controlling the current of the discharging module (1) in the discharging process and the current of the charging module (2) in the charging process according to the command of the control module (6);
and the control module (6) is connected with the discharging module (1), the charging module (2), the temperature measuring module (3), the voltage control module (4), the current control module (5) and the nickel-metal hydride battery to be activated and is used for controlling the whole activation process of the nickel-metal hydride battery.
2. The activation apparatus for nickel-metal hydride battery according to claim 1, wherein the control module (6) controls the discharge module (1) to discharge the nickel-metal hydride battery according to the state of the nickel-metal hydride battery to be activated; meanwhile, the control module (6) controls the current control module (5) to monitor the current passing through the nickel-metal hydride battery so as to adjust the discharge current in the discharge module (1); the control module (6) controls the voltage control module (4) to monitor the voltage across the nickel-metal hydride battery to prevent over-discharge.
3. The activation apparatus for nickel-metal hydride battery as claimed in claim 1, wherein the control module (6) controls the charging module (2) to charge the nickel-metal hydride battery according to the state of the nickel-metal hydride battery to be activated; meanwhile, the control module (6) controls the current control module (5) to monitor the current passing through the nickel-metal hydride battery so as to adjust the charging current in the charging module (2); the control module (6) controls the voltage control module (4) to monitor the voltage across the nickel-metal hydride battery to prevent overcharging.
4. The activation apparatus for nickel-metal hydride battery as claimed in claim 1, wherein the temperature measuring module (3) monitors the temperature of the nickel-metal hydride battery during the charging process and feeds the temperature back to the control module (6), and the control module (6) controls the charging module (2) to stop charging the nickel-metal hydride battery.
5. The activation apparatus for nickel-metal hydride battery as claimed in claim 1, wherein the voltage controlled by the voltage control module (4) is in a range of 1 to 1.35V.
6. A rapid activation method using the activation apparatus for a nickel-hydrogen battery according to any one of claims 1 to 5, the rapid activation method comprising the steps of:
step 1): detecting the state of the nickel-hydrogen battery;
the control module (6) detects the state of the nickel-metal hydride battery and selects charging or discharging according to the state of the nickel-metal hydride battery; when the charge amount of the new nickel-metal hydride battery is more than 40%, discharging and recharging firstly, and when the charge amount of the battery is less than 40%, charging and then discharging firstly; discharging the old nickel-metal hydride battery with high current;
step 2): charging and discharging the new nickel-metal hydride battery;
step 2-1): performing discharge treatment;
the control module (6) controls the discharging module (1) and the current control module (5) to discharge the new nickel-metal hydride battery by 0.2C discharging current, and when the voltage control module (4) detects that the voltage is 1V, the discharging is stopped;
step 2-2): charging treatment;
the control module (6) controls the charging module (2) and the current control module (5) to charge the new nickel-metal hydride battery at 0.1C charging current, and when the voltage control module (4) detects that the voltage is 1.35V, the charging is stopped;
step 2-3): repeating the step 2-1) and the step 2-2) for 2-4 times of circulation until the battery capacity is close to the rated capacity; or,
step 3): discharging the old nickel-metal hydride battery with high current;
step 3-1): performing discharge treatment;
the control module (6) controls the discharging module (1) and the current control module (5) to discharge the old nickel-metal hydride battery by 5C;
step 3-2): standing;
when the temperature measuring module (3) detects that the temperature of the old nickel-hydrogen battery in discharge reaches 40 ℃, the control module (6) controls the discharge module (1) to stop charging, and the discharge processing is carried out again after the temperature is recovered to be normal;
step 3-3): and (3) repeating the step 3-1) and the step 3-2) until the voltage control module (4) detects that the voltage of the old nickel-hydrogen battery is reduced to 1V, and stopping the discharging treatment.
7. The rapid activation method according to claim 1, wherein the discharging treatment in step 2-1) is performed by discharging to 1.2V at a current of 0.2C rate, then discharging to 1.0V at a current of 0.5C rate, and stopping for half an hour; and finally discharging for 8-10 hours by using current with 0.2C multiplying power.
8. The rapid activation method according to claim 1, wherein the charging process in step 2-2) is a first charging process in which the charging is performed to 1.35V at a current of 0.1C rate, and a second charging process in which the charging is performed to 1.2-1.35V at a current of 0.1C rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488919.XA CN108054449B (en) | 2017-12-29 | 2017-12-29 | Nickel-hydrogen battery activation device and rapid activation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488919.XA CN108054449B (en) | 2017-12-29 | 2017-12-29 | Nickel-hydrogen battery activation device and rapid activation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108054449A true CN108054449A (en) | 2018-05-18 |
| CN108054449B CN108054449B (en) | 2023-05-26 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465553A (en) * | 2007-12-18 | 2009-06-24 | 升御企业股份有限公司 | Multi-energy management system, device and applied method wherein |
| JP4427089B1 (en) * | 2009-06-23 | 2010-03-03 | 協和テクノロジィズ株式会社 | Storage battery regeneration method and storage battery regeneration device |
| CN103329340A (en) * | 2010-12-17 | 2013-09-25 | 宝马股份公司 | Temperature control method for an electrochemical energy store in a vehicle |
| RU154386U1 (en) * | 2015-03-10 | 2015-08-20 | Федеральное государственное бюджетное учреждение "16 Центральный научно-исследовательский испытательный ордена Красной Звезды институт имени маршала войск связи А.И. Белова" Министерства обороны Российской Федерации | DEVICE FOR RESTORING BATTERY CAPACITY |
| CN104919643A (en) * | 2013-04-12 | 2015-09-16 | 朴力美车辆活力股份有限公司 | Method for restoring battery capacity, method for restoring battery assembly capacity, device for restoring battery capacity, and device for restoring battery assembly capacity |
| CN106505269A (en) * | 2016-12-19 | 2017-03-15 | 蔡秋华 | A kind of smart home runs activation system with lithium ion battery |
-
2017
- 2017-12-29 CN CN201711488919.XA patent/CN108054449B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465553A (en) * | 2007-12-18 | 2009-06-24 | 升御企业股份有限公司 | Multi-energy management system, device and applied method wherein |
| JP4427089B1 (en) * | 2009-06-23 | 2010-03-03 | 協和テクノロジィズ株式会社 | Storage battery regeneration method and storage battery regeneration device |
| CN103329340A (en) * | 2010-12-17 | 2013-09-25 | 宝马股份公司 | Temperature control method for an electrochemical energy store in a vehicle |
| CN104919643A (en) * | 2013-04-12 | 2015-09-16 | 朴力美车辆活力股份有限公司 | Method for restoring battery capacity, method for restoring battery assembly capacity, device for restoring battery capacity, and device for restoring battery assembly capacity |
| RU154386U1 (en) * | 2015-03-10 | 2015-08-20 | Федеральное государственное бюджетное учреждение "16 Центральный научно-исследовательский испытательный ордена Красной Звезды институт имени маршала войск связи А.И. Белова" Министерства обороны Российской Федерации | DEVICE FOR RESTORING BATTERY CAPACITY |
| CN106505269A (en) * | 2016-12-19 | 2017-03-15 | 蔡秋华 | A kind of smart home runs activation system with lithium ion battery |
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